WO2004106280A1 - CaSRアンタゴニスト - Google Patents
CaSRアンタゴニスト Download PDFInfo
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- WO2004106280A1 WO2004106280A1 PCT/JP2004/007758 JP2004007758W WO2004106280A1 WO 2004106280 A1 WO2004106280 A1 WO 2004106280A1 JP 2004007758 W JP2004007758 W JP 2004007758W WO 2004106280 A1 WO2004106280 A1 WO 2004106280A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
- C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D257/04—Five-membered rings
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/02—Stomatological preparations, e.g. drugs for caries, aphtae, periodontitis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/02—Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/08—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/08—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease
- A61P19/10—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease for osteoporosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/12—Drugs for disorders of the metabolism for electrolyte homeostasis
- A61P3/14—Drugs for disorders of the metabolism for electrolyte homeostasis for calcium homeostasis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/02—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton
- C07C217/04—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
- C07C217/28—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having one amino group and at least two singly-bound oxygen atoms, with at least one being part of an etherified hydroxy group, bound to the carbon skeleton, e.g. ethers of polyhydroxy amines
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
- C07C311/50—Compounds containing any of the groups, X being a hetero atom, Y being any atom
- C07C311/51—Y being a hydrogen or a carbon atom
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/32—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D277/56—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
- C07D285/01—Five-membered rings
- C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
- C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
- C07D285/08—1,2,4-Thiadiazoles; Hydrogenated 1,2,4-thiadiazoles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D333/38—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
- C07F9/3834—Aromatic acids (P-C aromatic linkage)
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/40—Esters thereof
- C07F9/4003—Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic
- C07F9/4021—Esters of aromatic acids (P-C aromatic linkage)
Definitions
- the present invention relates to compounds having calcium-sensing receptor (Ca SR, hereinafter, simply referred to as “calcium receptor”) antagonistic compounds, pharmaceutical compositions containing such compounds, particularly calcium receptor antagonists. And osteoporosis drugs.
- Ca SR calcium-sensing receptor
- PTH parathyroid hormone
- Serum calcium concentration in normal mammals is strictly maintained at about 9-10 mg / l 00 ml (about 2.5 mM), which is called calcium homeostasis in living organisms. If this value drops below 50%, it causes tetanus (tonicity), while if it rises by 50%, it causes turbidity of consciousness, in both cases, life-threatening conditions.
- Such regulation of Ca 2+ dynamics is performed by various hormones collectively referred to as “calcium-regulating hormones”. Representative hormones include active vitamin D [1 ⁇ , 25 (OH) 2 D 3 ], PTH, calcitonin, and parathyroid hormone-related protein (PTH-related protein: PTHr P).
- bone organic matter bone matrix protein such as type I collagen
- the mechanism of bone resorption the osteoclasts adhere to the bone surface, via a protease acid secretion and ion transport absorbs C a 2+ into the cell, the absorbed Ca 2+ to discharge the bone marrow side Is a mechanism that sends Ca 2+ into the blood.
- the bone defect absorbed by osteoclasts is repaired by osteoblastic bone formation. This series of phenomena is called bone remodeling, and the remodeling replaces old bones with new bones, maintaining the strength of the whole bones and maintaining calcium homeostasis.
- PTH is a hormone that plays a central role in maintaining calcium homeostasis.
- the secretion of PTH from the parathyroid gland is immediately promoted, and in bone, it acts on osteoblasts (osteoblast activation by osteoclasts, bone organic degradation enzymes) Promotes osteoclastic bone resorption and mobilizes Ca 2+ from bone into the blood.
- osteoblasts osteoblast activation by osteoclasts, bone organic degradation enzymes
- active vitamin D 3 has a function of promoting Ca 2+ absorption from the intestinal tract [1 alpha, prompting the production of 25 (OH) 2 D 3 3 . It also suppresses renal absorption of phosphorus by the kidneys.
- PTH has a function of directly or indirectly increasing the blood Ca 2+ concentration.
- osteoporosis can be treated by intermittent administration of PTH.
- injection must be used as a means of administration, and the problem remains that many patients suffer.
- an orally administrable drug capable of intermittently increasing blood PTH concentration is expected as a therapeutic agent for osteoporosis having the above-mentioned PTH and a new mechanism of action different from conventional calcitonin.
- the calcium receptor is a G protein-coupled receptor that is cloned as a molecule essential for regulating PTH secretion and penetrates the cell membrane seven times.
- the human calcium receptor consists of 1078 amino acids and shows 93% amino acid homology to the calcium receptor.
- the human calcium receptor is composed of a large N-terminal extracellular domain of 612 amino acids, a transmembrane domain of 250 amino acids, and a C-terminal intracellular domain of 216 amino acids.
- calcium receptor is also expressed in kidney, thyroid C cells, brain, etc., and expression in bone marrow cells has been confirmed in bone.
- the calcium receptor When the calcium receptor binds to a ligand such as Ca 2+ , it activates phospholipase C by coupling with G protein, resulting in the production of inositol triphosphate and an increase in intracellular Ca 2+ concentration.
- a ligand such as Ca 2+
- G protein a ligand that activates phospholipase C by coupling with G protein, resulting in the production of inositol triphosphate and an increase in intracellular Ca 2+ concentration.
- drugs that inhibit calcium receptor activation ie, drugs that antagonize the calcium receptor, release suppression of PTH secretion in parathyroid cells and promote PTH secretion. If the antagonism at this time can raise PTH blood levels non-continuously and intermittently, the antagonist can be expected to have the same effect as when PTH is administered intermittently. It is considered that an extremely effective drug can be obtained.
- cytochrome P450 cytochrome P450, hereafter P450
- P450 cytochrome P450
- CYP2D6 which belongs to the family of P450 (CYP)
- CYP2D6 is an important human drug metabolizing enzyme and is involved in the metabolism of many compounds.
- A is C or N
- D is C or N
- X is cyano, nitro, etc.
- Y is chlorine, fluorine, etc.
- Ar is phenyl, naphthyl, etc.
- Y 2 is unsubstituted, CH alkyl, etc.
- Z is a covalent bond, 0, etc.
- R 3 and R 4 are independently methyl or ethyl
- R 5 is phenyl
- G is a covalent bond or C—R 6 (where R 6 is H, OH, etc.), R 7 is H, OH, etc., R 8 is H or C 1-4 alkyl, etc.
- A—B is CH. 2 CH 2 , covalent bond, etc.
- W is 11 S0 2 Ri (where Ri is hydrogen, CH alkyl, etc.), Xi, X 2 s X 3 and X 4 independently, such as CN, N0 2, R 2 is hydrogen, CM alkyl Etc.)
- Ri is hydrogen, CH alkyl, etc.
- Xi, X 2 s X 3 and X 4 independently, such as CN, N0 2, R 2 is hydrogen, CM alkyl Etc.
- CRi is aryl
- R 2 is hydroxyl
- R 3 and R 4 are lower alkyl
- R 5 is substituted naphthyl, substituted phenyl, etc. is alkylene
- Y 2 is alkylene
- ⁇ 3 is alkylene
- ⁇ is oxygen, etc. It is. ]
- X is cyano, etc.
- Y is chlorine, etc.
- Q is hydrogen, etc.
- W is oxygen, etc.
- D is hydrogen, etc.
- n is 2 to 4.
- NPS-2143 significantly enhances PTH release, but has no direct effect on osteoblasts and osteoclasts in vitro, and consequently bone loss. If not, there was no bone increase.
- rat PTH 1-34 was administered at a dose of 5 g / kg to a 0 VX rat, the blood PTH concentration peaked at about 175 pg / ml after 30 minutes, and returned to its original value after 2 hours.
- the blood concentration of NPS-2143 itself increased to more than 100 ng / ml even after 8 hours from administration, and became undetectable at 10 ng / ml or less for 24 hours. Was later.
- Maxine Gowen et al. Show that calcium receptor antagonists with too long a half-life in blood give the same results as if PTH were administered continuously, and that bone mass gain could not be expected. Things. As described above, most of the conventional potentioid receptor antagonists continuously increase blood PTH levels, and cannot be expected to have a sufficient bone formation promoting effect. Out of the conventional calcium receptor antagonists, it has excellent calcium receptor antagonistic activity, and can be administered orally or intermittently, and can increase blood PTH concentration non-continuously and intermittently.
- CR 1 is such good ⁇ Li Ichiru group which may be substituted
- R 2 is C 1-6 alkyl group, C 3 _ 7 a cycloalkyl group, R 3 is hydroxyl group etc.
- R 4 is such as a hydrogen atom
- R 5 and R 6 is an alkyl group or the like
- R 7 is an optionally substituted aryl group or the like
- X 1 is a single bond
- X 2 is an optionally substituted alkylene
- X 3 is a single bond or substituted May be al Kilen, X 4 and X 5 together form a single bond, methylene and the like.
- An object of the present invention is to provide a compound which has an excellent calcium receptor antagonistic action, is orally administrable, and is capable of increasing the blood PTH concentration non-continuously and intermittently. I do. Further, the present invention provides a disease containing the compound, which is associated with abnormalities of caldume homeostasis, that is, osteoporosis, hypoparathyroidism, osteosarcoma, periodontal disease, bone fracture, osteoarthritis, rheumatoid arthritis.
- the present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, it has been found that a compound represented by the following general formula (1) or (1 ′) has an excellent calcium receptor antagonistic action, The inventors have found that they can be administered and completed the present invention. Surprisingly, the compound represented by the following general formula (1) or (1,) can raise blood PTH concentration non-continuously and intermittently, and is useful as an excellent therapeutic agent for osteoporosis. It is very promising to make this happen.
- the compound of the present invention not only has an excellent calcium receptor antagonism, but also has a non-persistent and transient PTH secretion promoting action. Therefore, by administering the compound of the present invention, the same effect as in the case of intermittent administration of PTH is obtained, and it is considered to be extremely effective in treating osteoporosis.
- the compound of the present invention has a metabolic function of CYP 2D6 as shown in the test examples described below. It has weak inhibitory activity and can be said to be desirable as a pharmaceutical.
- the PTH secretion promoting effect of the present invention is observed at a lower dose than conventionally known compounds.
- the present invention relates to a compound represented by the following general formula (1) or (1 ′), a calcium receptor antagonist containing the compound as an active ingredient, and a therapeutic agent for osteoporosis.
- the details are as shown in [1] to [12] below.
- Ring A is a CU 6 cycloalkyl group
- X represents a C 6 alkylene group, a C 2 _ 4 alkenylene group, a C 2 _ 4 alkynylene group,
- n 0 or 1.
- R 3 and R 4 are the same or different and each represent a hydrogen atom, a cyano group, a halogen atom, a —6 alkyl group, a —6 alkoxy group, a halo C i—e alkyl group, or a halo C 6 alkoxy group;
- R c represents an acyl group which may be substituted with a carboxyl group.
- Ring A is a group of formula (b), and R 2 is a carboxyl group or a C i-6 alkoxy - when a carbonyl group, R 7 is C 2 _ 4 alkenyl group, (3) when ring A is a group of formula (b) and R 2 is a hydroxycarbamoyl group, R 3 is a hydrogen atom, or
- R 5 is a C i 6 alkyl or C 3 6 cycloalkyl group
- R 6 is a hydrogen atom
- RR 8 and R 9 are the same or different, it it it a hydrogen atom, - 6 alkyl group, C 2 4 alkenyl group, a halogen atom, halo Ci 6 alkyl group, Ci 6 alkoxycarbonyl
- R 2 is hydroxyalkyl group, Karubokishi CI- 6 alkyl group, C x _ 6 alkoxy - carbonyl - C _ 6 alkyl group, a force Rubamoiru C i _ 6 alkyl groups, ( ⁇ -7 Ashiruamino - CI- 6 alkyl group, Or a carbamoyl group, a hydroxycarbamoyl group or an amino group,
- R 3 and R 4 are the same or different and each represents a hydrogen atom, a cyano group, a halogen atom, a —6 alkyl group; There 6 alkoxy group, halo C i-6 alkyl or halo C physician 6 alkoxy group,
- R 6 is a hydrogen atom
- R 7 , R 8 and are the same or different and are each a hydrogen atom, — 6 alkyl group, C 2 _ 4 alkenyl group, halogen atom, halo ( ⁇ 6 alkyl group, — 6 alkoxy group, halo ( ⁇ _ 6
- ⁇ A is ⁇ 3-6 cycloalkyl group
- n 0 or 1.
- R 3 and R 4 are the same or different and represent a hydrogen atom, a cyano group, a halogen atom, a C 1-6 alkyl group or an alkoxy group,
- R 5 represents a C 1-6 alkyl group or a C 3-6 cycloalkyl group
- R 6 is: R e ,
- Ring A is a group of formula (b), and when R 2 represents a carboxyl group or alkoxycarbonyl Kishikarubo two Le group, R 7 is C 2 _ 4 alkenyl group,
- a pharmaceutical composition comprising the compound of the above-mentioned [1] to [5], an optically active form thereof, or a pharmaceutically acceptable salt thereof.
- a pharmaceutical composition comprising a pharmaceutically acceptable carrier, and the compound of the above-mentioned [1] to [5], an optically active form thereof, or a pharmaceutically acceptable salt thereof as an active ingredient.
- a therapeutic agent for osteoporosis comprising a pharmaceutically acceptable carrier and the compound of the above-mentioned [1] to [5] as an active ingredient, an optically active form thereof, or a pharmaceutically acceptable salt thereof.
- An osteoporosis patient comprising administering an effective amount of the compound according to the above [1] to [5], an optically active form thereof, or a pharmaceutically acceptable salt thereof to an osteoporosis patient.
- Method of treatment comprising administering an effective amount of the compound according to the above [1] to [5], an optically active form thereof, or a pharmaceutically acceptable salt thereof to an osteoporosis patient.
- a calcium receptor comprising a pharmaceutically acceptable carrier and the compound according to the above [1] to [5], an optically active form thereof, or a pharmaceutically acceptable salt thereof as an active ingredient.
- Body antagonist
- Halogen atom is a fluorine atom, a chlorine atom, a bromine atom or an iodine atom, preferably a fluorine atom or a chlorine atom, and particularly preferably a chlorine atom.
- ( ⁇ -6 alkyl group) means a linear or branched alkyl group having 1 to 6 carbon atoms, preferably 1 to 4 carbon atoms, such as a methyl group, an ethyl group, a propyl group and an isopropyl group.
- halo C 1-6 alkyl group refers to a haloalkyl group in which the above-mentioned “( ⁇ -6 alkyl group) is substituted with one or more halogen atoms, and if the substitution position is chemically permissible.
- Examples of the “halo C 1-6 alkyl group” include, for example, fluoromethyl group, difluoromethyl group, trifluoromethyl group, chloromethyl group, dichloromethyl group, trichloromethyl group, bromomethyl group, Dibromomethyl group, tribromomethyl group, iodomethyl group, joidomethyl group, triiodomethyl group, 2-fluoroethyl group, 2,2-difluoroethyl group, 2,2,2-trifluoroethyl group, 2- Cloethyl group, 2,2-dichloroethyl group, 2,2,2-Trichloroethyl group, 2-Promoethyl group, 2,2-Dibro
- “Hydroxy-alkyl group” refers to a hydroxyalkyl group in which the above “C 1-6 alkyl group” is substituted with a hydroxyl group, and the substitution position is chemically acceptable. It is not particularly limited. Examples of the “hydroxy-C 1-6 alkyl group” include a hydroxymethyl group, a 1-hydroxyethyl group, a 2-hydroxyethyl group,
- a hydroxy-C 1-4 alkyl group selected from a hydroxyethyl group, a 3-hydroxypropyl group and a 4-hydroxybutyl group.
- the “C 1-6 alkoxy group” represents a straight-chain or branched-chain alkoxy group having 1 to 6, preferably 1 to 4 carbon atoms, such as a methoxy group, an ethoxy group, a propoxy group, and an isopropoxy group. , Butoxy, tert-butoxy, pentyloxy, tert-pentyloxy or hexyloxy, and the like, and is preferably selected from methoxy, ethoxy, propoxy, isopropoxy, butoxy or tert-butoxy. Is a CH alkoxy group.
- halo C ⁇ 6 alkoxy group the haloalkoxy group halogen atom-substituted on one or more than the "C 6 alkoxy group", if the substitution site is chemically acceptable
- the “halo C 6 alkoxy group” include, for example, a fluoromethoxy group, a difluoromethoxy group, a trifluoromethoxy group, a chloromethoxy group, a dichloromethoxy group, a trichloromethoxy group, a bromomethoxy group, a dibromomethoxy group, a tripromethoxy group, and a monomethoxy group.
- the “CH 3 alkoxy-carbonyl group” represents an alkoxy-carboxy group in which the C 1-6 alkoxy moiety is the above-mentioned alkoxy group.
- the "( ⁇ _ 7 Ashiru group” represents the number 1 to 7 of Arukanoiru group, Arukenoiru group or Aroiru group carbon, formyl group, Asechiru group, a propionyl group, Puchiriru group, pivaloyl group, Etenoiru group, propenyl Noiru A formyl group, an acetyl group, a bivaloyl group or a benzoyl group, and the acetyl group may be substituted with a carboxyl group, for example, a carboxylacetyl group.
- C 3 _ 6 cycloalkyl group represents the number 3 or 6 cyclic alkyl group having a carbon, such as cyclopropyl group, Shikuropuchiru group, a cyclopentyl group, heptyl group, a hexyl group or a cycloalkyl may be mentioned cyclohexylene, preferably C 3 _ 5 cycloalkyl groups such as cyclopropyl group, Shikurobu ethyl group or cyclopentyl group, more preferably cyclopropyl group or Shikuropuchiru group, particularly preferably cyclopropyl group.
- C 2 _ 4 alkenyl group refers to an alkenyl group having 2 to 4 carbon atoms, for example, a bier group, 1-propenyl group, 2-methyl-1-propenyl group, aryl group, 1- Examples thereof include a butenyl group, a 2-butenyl group, and a 3-butenyl group, and a vinyl group is preferable.
- ( ⁇ Alkylene group) means a straight-chain having 1 to 6 carbon atoms, preferably 1 to 4 carbon atoms.
- a chain or branched alkylene group such as a methylene group, an ethylene group, a propylene group, a butylene group, a pentylene group, a hexylene group,
- it is a methylene group, a propylene group or a butylene group.
- the "C 2 _ 4 Aruke two alkylene groups", 2 to 4 carbon atoms, preferably represents 2 or 3 alkenylene group, for example a vinylene group, 1 one propenylene group, 2-propenyl Ren group And 1-butenylene group, 2-butenylene group, 3-butenylene group and the like.
- a vinylene group, 1-propenylene group and 2-propenylene group Preferable are a vinylene group, 1-propenylene group and 2-propenylene group, and a vinylene group is particularly preferable.
- the “C 2 _ 4 alkynylene group” refers to an alkynylene group having 2 to 4 carbon atoms, preferably 2 to 3 carbon atoms, for example, ethinylene, 1-propynylene, 2-propynylene, 1-butynylene, 2-butynylene. Len, 3-pentynylene, 1-pentynylene, 2—pentynylene, 3-pentynylene, 4-pentynylene, 1-hexynylene, 2 hexynylene, 3-hexynylene, 4-1 Xinylene or 5-hexynylene. Preferred are ethinylene, 1-propynylene and 2-propynylene.
- Acylamino-C 1-6 alkyl group means the above-mentioned 7 acylamino group” Is a group substituted by the above-mentioned “c 6 alkyl group”, for example, formylaminomethyl group, acetylaminomethyl group, propionylaminomethyl group, butyrylaminomethyl group, bivaloylaminomethyl group, formylaminoethyl Group, acetylaminoethyl group, propionylaminoethyl group, butyrylaminoethyl group, vivalylaminoethyl group, formylaminopropyl group, acetylaminopropyl group, propylionylaminopropyl group, butyrylaminopropyl group, vivaloylamino Butyl group, formylaminobutyl group, acetylaminobutyl group, propionylaminobutyl group
- the “carboxy-C 6 alkyl group” is a group in which the above “c 1-6 alkyl group” is substituted by a carboxy group, for example, carboxymethyl group, carboxyethyl group, carboxypropyl group, carboxybutyl group, carboxy group Examples include a pentyl group and a carboxylhexyl group. Among them, a carboxymethyl group is preferred.
- alkoxy-carboxyalkyl group is a group in which the above “c 1-6 alkoxycarbonyl group” is substituted with the above “c 6 alkyl group”, for example, a methoxycarbonylmethyl group, an ethoxycarbonylmethyl group And a propoxycarbonylmethyl group, a butoxycarbonylmethyl group, a pentyloxycarbonylmethyl group, and a hexyloxycarbonylmethyl group.
- Preferable are methoxycarbonylmethyl group, ethoxycarbonylmethyl group, methoxycarbonylethyl group, ethoxycarbonylethyl group, etc., and particularly preferred is ethoxycarbonyl. It is a bonylmethyl group.
- Power Rubamoiru - c 1-6 alkyl group as a group which force Rubamoiru group substituted on the "c 6 Al kill group", for example, force Rubamoirumechiru group, force Rubamoirue ethyl group, a force Luba moil propyl,
- Examples include sorbamoylbutyl group, sorbamoylpentyl group, and rubamoylhexyl group.
- it is a carpamoylmethyl group.
- a 5- to 6-membered heterocyclic residue having 1 to 4 heteroatoms selected from the group consisting of a nitrogen atom, an oxygen atom and a sulfur atom includes, for example, a chenyl group, a dihydrochenyl group, a frill group , Dihydrolyl, pyrrolyl, pyrrolinyl, imidazolyl, imidazolinyl, pyrazolyl, pyrazolinyl, thiazolyl, thiazolinyl, isothiazolyl, isothiazolinyl, oxazolyl, oxazolinolyl, isoxazolyl Group, triazolyl group, Unsaturated 5-membered ring such as triazolinyl group, thiadiazolyl group, thiadiazo'linyl group, oxadiazolyl group, oxadiazolinyl group, dithiazolyl group, dithiazolinyl group
- salts of the compound of the present invention include inorganic acid addition salts such as hydrochloride, hydrobromide, sulfate, phosphate and nitrate; acetate, propionate, succinate, and glycolic acid. Salt, lactate, malate, oxalate, tartrate, citrate, maleate, fumarate, methanesulfonate, benzenesulfonate, p-toluenesulfonate or ascorbate, etc.
- inorganic acid addition salts such as hydrochloride, hydrobromide, sulfate, phosphate and nitrate
- acetate, propionate, succinate and glycolic acid. Salt, lactate, malate, oxalate, tartrate, citrate, maleate, fumarate, methanesulfonate, benzenesulfonate, p-toluenesulfonate or ascorbate, etc.
- Addition salts of amino acids such as aspartate or glutamate; inorganic base salts with sodium, potassium, calcium, magnesium or zinc; methylamine, dimethylamine, ethylamine, getylamine, triethylamine, triethanol Amine, trishydroxy methylaminomethane, dicyclohexylamine, ethylenediamine, guar Jin, an organic base salt with meglumine or 2 Aminoe evening Nord like; Asuparagin Dar evening Min, arginine include, but are base salts with amino acids such as histidine or lysine, but not limited thereto.
- Preferred salts are hydrochloride, sodium salt, potassium salt and calcium salt, and particularly preferred are hydrochloride and sodium salt.
- the compound of the present invention includes a solvate.
- the ⁇ solvate '' of the compound means that the compound of the present invention is dissolved in a solid state such as a crystal or an amorphous state or in a solution with a solvent molecule such as water or alcohol. Van der Waals force, electrostatic interaction, hydrogen bonding, It refers to those bonded by relatively weak bonds such as charge transfer bonds and coordination bonds.
- the solvent may be incorporated in a solid state such as a hydrate or an alcohol.
- Preferred solvates are hydrates.
- a “prodrug” of a compound is a compound of the present invention that has a group that can be chemically or metabolically degraded, and is pharmaceutically active by hydrolysis or solvolysis or by degradation under physiological conditions. It is a derivative of a compound.
- the substituent represented by R A and the substituent represented by RB in the general formula (1) or (1,) according to the present invention are substituents directed to prodrug, and —COR and / or 0 RB is a substituent that is converted to —c 0 2 H and / or 10 H in vivo.
- the compound represented by formula (1) or (1,) according to the present invention may have various isomers, for example, optical isomers, stereoisomers, geometric isomers, tautomers, and the like.
- the scope of the present invention includes all these isomers and mixtures thereof.
- the compound of the present invention when used as a pharmaceutical, the compound may be a compound itself (dissociated form), a salt of the compound, a solvate of the compound or a prodrug form of the compound.
- the therapeutic agent for osteoporosis containing the compound of the present invention as an active ingredient can be used in combination with other therapeutic agents for osteoporosis.
- Other therapeutic agents for osteoporosis include, for example, calcium preparations (Calcium Lactate), calcium gluconate (Calcium Lactate)
- Gluconate s calcium L-aspartate (Calcium Aspartate), calcium chloride (Calcium Chloride), calcium hydrogen phosphate (Calcium Hydrogen Phosphate) and the like.
- Vitamin D preparations Alfacalcidol (Alfacalcidol), calcitriol (Calcitriol), maxacalcitol (Maxacaldtol), fareletic lucitriol (Falecalcitriol), etc.
- vitamin K preparations menate trenone) (Menatetrenone), etc.
- female hormone preparations estradiol, estriol, etc.
- estrogen angiogonist preparations (Raloxifen), etc.
- Anabolic steroid preparations parathyroid hormone preparations (Teriparatide, PTH (1-84), etc.), calcitonin preparations (elcatonin
- osteoporosis therapeutic agent containing the compound of the present invention and other osteoporosis therapeutic agents Can be administered to osteoporosis patients in an effective amount.
- the present invention is not limited to these production methods.
- the construction order may be appropriately determined from sites which are easy to perform.
- protection and deprotection may be appropriately performed, and a reagent other than the exemplified reagents may be appropriately used to promote the progress of the reaction.
- R 6 is a hydrogen atom
- L 2 represents a halogen atom (as defined above)
- L 1 represents a leaving group, for example, a halogen atom (as defined above) or a 3-nitrobenzenesulfonyloxy group
- a p-toluenesulfonyloxy group Represents a sulfonyloxy group such as a benzenesulfonyloxy group, a p-bromobenzenesulfonyloxy group, a methanesulfonyloxy group or a trifluoromethanesulfonyloxy group, and other symbols are as defined above.
- Compound (2A) is obtained by reduction with a reducing agent.
- the product (1A) is converted to (+)-B-chlorodiisopinocampyrylborane, (S) -5,5-diphenyl-1-methyl-3-, 4-propano-1,3,2-oxazaborolidin-borane-dimethylsulfy Reduction reaction using an asymmetric reducing agent such as a complex salt or dichloro [(S) —2,2,1-bis (diphenylphosphino) -11,1, -binaphthyl] [(S) —1,1
- Asymmetric hydrogenation reaction using a ruthenium complex such as 1,1, bis (p-methoxyphenyl) -12-isopropylethane-1,2-diamine] ruthenium (II) and potassium 1-tert-butoxide
- the reaction proceeds stereoselectively, and the R form of compound (2A) is obtained.
- the compound (2A) obtained in Step 1A is treated with sodium hydride, sodium hydroxide, sodium hydroxide in N, N-dimethylformamide, dimethylsulfoxide, tetrahydrofuran, water, or a mixed solvent thereof.
- a base such as sodium carbonate, potassium carbonate, sodium bicarbonate, potassium bicarbonate, triethylamine, N, N-diisopropylethylamine, N-methylmorpholine, pyridine, 4-dimethylaminoviridine
- alkyl ammonium sulfate such as tetrabutylammonium hydrogen sulfate can be added.
- Stereoselective reactions can be performed by selecting the reagents and leaving groups used.
- compound (4A) is obtained by reacting compound (2A) with (R) -glycidyl nosylate in N, N-dimethylformamide in the presence of sodium hydride.
- the compound (4A) obtained in Step 2A was converted into toluene, ethanol, benzene, acetone, 1,4-dioxane, tetrahydrofuran, acetonitrile, N, N-dimethylformamide, 1,2-dimethoxetane, dimethyl sulfoxide, Bis (diphenylphosphino) phenic acid salt in water or a mixed solvent of these Of palladium ([pi), tetrakis palladium catalyst such as (triphenyl phosphine) palladium (0), sodium carbonate, potassium phosphate tribasic potassium (K 3 P 0 4), carbonated, sodium hydrogen carbonate, such as potassium hydrogen carbonate Using base, compound
- Compound (6A) and compound (7A) obtained in Step 3A are mixed with methanol, ethanol, n-propanol, isopropanol, tetrahydrofuran, 1,4-dioxane, acetonitrile, toluene, or a mixed solvent thereof,
- the compound (8A) is obtained by reacting at room temperature to reflux temperature. In this case, it is preferable to add an alkyl perchlorate such as lithium perchlorate.
- Step 4A The compound (8A) obtained in Step 4A is reacted with ammonium chloride and sodium azide at room temperature to reflux temperature in N, N-dimethylformamide, toluene, xylene, water, or a mixed solvent thereof. As a result, the compound (9A) is obtained.
- Step 1B (In the formula, P 1 is a protecting group for a hydroxyl group, and other symbols are as defined above.)
- Compound (1B) can be obtained by protecting the hydroxyl group of compound (8A) by a conventional method.
- a hydroxyl group is protected with a tert-butyldimethylsilyl group (TBS)
- tert-butyldimethylsilyl chloride can be used in a solvent such as N, N-dimethylformamide in the presence of a base such as imidazoyl.
- the compound (1B) is obtained by reacting
- a method generally used for introducing the protecting group may be used.
- Compound (1B) and compound (2B) obtained in Step 1B are converted to dimethyl sulfoxy
- the compound (3B) can be obtained by reacting at room temperature to reflux temperature in ethanol, water, etc. or a mixed solvent thereof.
- the compound (3B) obtained in Step 2B is reacted with 1,1, -thiocarbonyldiimidazole (TCD I) in tetrahydrofuran, getyl ether, or a mixed solvent thereof, and then reacted with tetrahydrofuran, getyl ether, etc.
- TCD I 1,1, -thiocarbonyldiimidazole
- the compound (4B) can be obtained by treating with a boron trifluoride etherate complex in a mixed solvent thereof.
- the compound (5B) is obtained by deprotecting the hydroxyl-protecting group of the compound (4B) obtained in Step 3B by a conventional method.
- a conventional method for example, when protected with t-butyldimethylsilyl group (TBS), the compound (5B) can be reacted with tetrabutylammonium fluoride (TBAF) in tetrahydrofuran, water, or a mixture of these. ) Is obtained.
- TBS t-butyldimethylsilyl group
- TBAF tetrabutylammonium fluoride
- a method usually used for removing the protecting group may be used.
- the compound (3B) obtained in Step 2B is converted into a solvent such as chloroform and methylene chloride in the presence of a base such as pyridine, triethylamine, diisopropylethylamine, and the like.
- the compound (1C) is obtained by reacting with alkyl carbonate and then cyclizing in a solvent such as xylene or toluene at room temperature to reflux temperature.
- Compound (2C) is obtained by subjecting compound (1C) obtained in Step 1C to the same reaction as in Step 4B.
- L 3 represents a halogen atom (as defined above), R represents a C 1-6 alkyl group (as defined above), and other symbols are as defined above.
- the compound (2D) is obtained by protecting the hydroxyl group of the compound (ID) by a conventional method.
- a hydroxyl group with a 2- (trimethylsilyl) ethoxymethyl (SEM) group diisopropylpropane in a solvent such as chloroform or methylene chloride.
- the compound (2D) is obtained by reacting with 2- (trimethylsilyl) ethoxymethyl halide (for example, 2- (trimethylsilyl) ethoxymethyl chloride (SEMC1)) in the presence of a base such as luethylamine.
- a method usually used for introducing the protecting group may be used.
- Compound (3D) is obtained by subjecting compound (2D) obtained in Step 1D to a reaction similar to Step 1A.
- Compound (4D) is obtained by subjecting compound (3D) obtained in Step 2D to the same reaction as in Step 2A with compound (3A1) or compound (3A2). 4th step
- Compound (5D) is obtained by subjecting compound (4D) obtained in Step 3D and compound (7A) to the same reaction as in Step 4A.
- the compound (6D) is obtained by deprotecting the hydroxyl-protecting group of the compound (5D) obtained in the 4D step by an ordinary method.
- an ordinary method for example, when the hydroxyl group of compound (5D) is protected by a 2- (trimethylsilyl) ethoxymethyl group, 1,3-dimethyl-3,4,5,6-tetrahydro-2 (1H) -pyrimidinone, tetrabutyl Deprotection in the presence of ammonium halide (eg, tetrabutylammonium fluoride) and MS4A gives compound (6D).
- ammonium halide eg, tetrabutylammonium fluoride
- MS4A gives compound (6D.
- a method usually used for removing the protecting group may be used.
- the compound (9D) is obtained by hydrolyzing the compound (8D) obtained in the sixth step in a conventional manner.
- compound (9D) can be obtained by hydrolyzing compound (8D) in tetrahydrofuran-methanol-water in the presence of sodium hydroxide.
- Compound (3F) is obtained by subjecting compound (2F) obtained in Step 1F and compound (7A) to a reaction similar to Step 4A.
- Compound (4F) is obtained by subjecting compound (3F) obtained in Step 2F to a reaction similar to Step 7D.
- Compound (2G) is obtained by subjecting compound (4A) and compound (1G) to a reaction similar to Step 3A.
- Compound (3G) is obtained by subjecting compound (2G) and compound (7A) obtained in Step 1G to the same reaction as in Step 4A. 3G process
- Compound (4G) is obtained by subjecting compound (3G) obtained in Step 2G to a reaction similar to Step 1B.
- Compound (7G) is obtained by subjecting compound (6G) obtained in Step 5G to a reaction similar to Step 4B.
- the compound (5G) obtained in the 4G step is converted into a condensing agent such as 1-ethyl-3- (3-dimethylaminopropyl) carbodiimide or 1-hydroxybenzotriazole in N, N-dimethylformamide.
- a condensing agent such as 1-ethyl-3- (3-dimethylaminopropyl) carbodiimide or 1-hydroxybenzotriazole in N, N-dimethylformamide.
- the compound (1H) is obtained by reacting with ammonium chloride or aqueous ammonia in the presence of an additive and triethylamine.
- Compound (2H) is obtained by subjecting compound (1H) obtained in the first step to the same reaction as in step 4B.
- the compound (5G) obtained in the 4G step is treated with N, N-dimethylformamide, tetrahydrofuran, getyl ether, dimethyl sulfoxide, acetone, acetate nitrile, etc.
- 1 Condensing agents such as 3-ethyl-3- (3-dimethylaminopropyl) carbodiimide, diisopropylcarboimide, diphenylphosphoryl azide, 2-ethoxy-1-ethoxycarbonyl-1,2,2-dihydroquinoline (EEDQ), and 1-hydroxybenzo Compound (1I) is obtained by reacting with 0- (trimethylsilyl) hydroxylamine in the presence of an additive such as triazole or 4-dimethylaminopyridine.
- Compound (21) is obtained by subjecting compound (II) obtained in Step 11 to the same reaction as in Step 4B.
- the compound (2J) is obtained by esterifying the carboxyl group of the compound (1J) by a conventional method.
- a solvent such as N, N-dimethylformamide or methylene chloride
- a base such as 4- (dimethylamino) pyridine
- a condensing agent such as 1-ethyl-3- (3-dimethylaminopropyl) carbodiimide
- alcohols such as ethanol and propanol
- the compound (2J) is obtained.
- the compound (2J) is obtained by reacting the compound (1J) with an alcohol such as methanol, ethanol and propanol in the presence of an acid catalyst such as sulfuric acid.
- Compound (4J) is obtained by subjecting compound (2J) and compound (3J) obtained in Step 1J to a reaction similar to Step 3A.
- Compound (5J) is obtained by subjecting compound (4 J) obtained in Step 2J to the same reaction as in Step 1A.
- Compound (6J) is obtained by subjecting compound (5J) obtained in Step 3J and compound (3A1) or compound (3A2) to a reaction similar to Step 2A.
- Step 5 J
- Compound (7J) is obtained by subjecting compound (6J) and compound (7A) obtained in Step 4J to a reaction similar to Step 4A.
- Compound (8J) is obtained by subjecting compound (7J) obtained in Step 5J to a reaction similar to Step 7D.
- Upsilon 1 represents a halogen atom (as defined above) or Torifuruorome evening Nsuruhoniru Okishi group, and other symbols are the same meanings as defined above, respectively.
- Compound (1K) is dissolved in bis (diphenylphosphino) phene palladium (II) chloride or its dichloromethoxide in dimethyl sulfoxide, ⁇ , ⁇ -dimethylformamide, 1,4-dioxane or a mixture thereof.
- the compound (2 ⁇ ) is obtained by reacting with bispinacolloditodiborone using a diene complex and a base such as potassium acetate.
- the compound (2) obtained in the first step is converted into toluene, ethanol, benzene, acetone, 1,4-dioxane, tetrahydrofuran, acetonitrile, ⁇ , ⁇ -Dimethylformamide, 1,2-dimethoxane, dimethylsulfoxide, water, etc.
- Compound (4) is obtained by subjecting compound (3) and compound (7) obtained in the second step to the same reaction as in the fourth step.
- the compound (5) is obtained by reacting the compound (4) obtained in the third step with iron and ammonium chloride in tetrahydrofuran, ethanol, water, methanol or the like or a mixed solvent thereof.
- the compound (3L) is obtained by subjecting the compound (2L) obtained in the first L step to the same method as in the first to third K steps.
- Step 1M The compound (2M) obtained in Step 1M is subjected to the same reaction as in Step 1K to obtain a compound (3M), which is subjected to the same reaction as Compound (4A) in Step 2K. As a result, a compound (4M) is obtained. 4M process
- Compound (5M) is obtained by subjecting compound (4M) obtained in Step 3M and compound (7A) to the same reaction as in Step 4A.
- Compound (6M) is obtained by subjecting compound (5M) obtained in Step 4M to the same reaction as in Step 7D.
- Compound (7M) is obtained by subjecting compound (6M) obtained in Step 5M to the same reaction as in Step 1H.
- Compound (4N) is obtained by subjecting compound (3N) obtained in Step 1N to the same reaction as in Step 1K.
- Compound (4N) and compound (4A) obtained in step 2N were converted to the same as in step 2K.
- Compound (5N) can be obtained by subjecting the compound to the following reaction.
- Compound (6N) is obtained by subjecting compound (5N) and compound (7A) obtained in Step 3N to the same reaction as in Step 4A.
- the compound (6N) obtained in the 4N step is converted into dichloromethane, in the presence of N, 0-bis (trimethylsilyl) trifluoroacetamide (BSTFA) and trimethylsilyl halide (eg, trimethylsilyl chloride, trimethylsilylpromide). By reacting, compound (7N) is obtained. In this case, it is preferable to add about 2.5 equivalents of trimethylsilyl halide.
- BSTFA trimethylsilyl trifluoroacetamide
- trimethylsilyl halide eg, trimethylsilyl chloride, trimethylsilylpromide
- Compound (8N) is obtained by subjecting compound (6N) obtained in the 4N step to the same reaction as in the 5N step. In this case, about trimethylsilyl halide
- Compound (8N) can be converted into a salt by a conventional method.
- disodium salt of compound (8N) can be obtained by adding sodium hydroxide in water.
- Compound (1P) is obtained by subjecting compound (3G) to a reaction similar to Step 7D.
- the compound (1P) obtained in the first P step is converted into N, N-dimethylformamide, tetrahydrofuran, dimethyl ether, dimethyl sulfoxide, acetone, acetonitrile, etc., or a mixed solvent thereof with sodium hydride, potassium carbonate
- compound (3P) is obtained.
- Compound (2Q) is obtained by reacting compound (1Q) with 9-borabicyclo [3.3.1] nonane in tetrahydrofuran.
- Compound (4Q) is obtained by subjecting compound (3Q) obtained in Step 2Q and compound (7A) to the same reaction as in Step 4A.
- Compound (5Q) is obtained by subjecting compound (4Q) obtained in Step 3Q to the same reaction as in Step 7D.
- ⁇ A is a phenyl group substituted with a carboxyl group
- a compound in which ⁇ A is a phenyl group substituted with a carboxyl group can also be produced by the following method.
- the compound (3R) is obtained by catalytically reducing the compound (2R) obtained in the first step by a conventional method. For example, reduction in a methanol solvent in the presence of a catalyst such as rhodium-alumina gives compound (3R).
- Compound (4R) is obtained by subjecting compound (3R) and compound (7A) obtained in the second R step to the same reaction as in the fourth A step.
- Compound (5R) is obtained by subjecting compound (4R) obtained in Step 3R to the same reaction as in Step 7D. .
- Compound (2S) is obtained by subjecting compound (1S) to a reaction similar to Step 1A.
- Compound (4S) is obtained by subjecting compound (3S) and compound (7A) obtained in Step 2S to the same reaction as in Step 4A.
- the compound of the present invention in which R 6 is RG can be obtained by converting the compound of the present invention in which R 6 is a hydrogen atom to pyridine, triethylamine, dimethylamino in chloroform, methylene chloride, tetrahydrofuran, toluene, ethyl acetate or a mixture thereof.
- a base such as pyridine
- an acid anhydride represented by (R G ) 20 R e has the same meaning as described above) or —L 1 (each symbol has the same meaning as described above).
- a salt of the compound represented by the general formula (1) or (1 ′) is desired, a known method can be used.
- the compound represented by the general formula (1) or (1,) is converted to water, methanol, ethanol, n-propanol, isopropanol, getyl ether, tetrahydrofuran, 1,4-dioxane , Ethyl acetate, dichloromethane, 1,2-dichloroethane, chloroform, etc., or a mixed solvent thereof, and add the above solvent in which the desired acid is dissolved. Then, precipitate the crystals by filtration or concentrate under reduced pressure. do it.
- the compound represented by the general formula (1) or (1,) is converted to water, methanol, ethanol, n-propanol, isopropanol, tetrahydrofuran, 1,4-dioxane, or a mixture thereof.
- Dissolve in a solvent add the solvent in which the desired base is dissolved in an equivalent amount, and collect the precipitated solid by filtration or concentrate under reduced pressure. Just do it.
- the acid addition salt of the compound represented by the general formula (1) or (1,) is converted into a free form
- the acid addition salt of the compound represented by the general formula (1) or (1 ′) is converted to a carbonate.
- a base such as sodium hydrogen, potassium hydrogen carbonate, sodium carbonate, potassium carbonate, sodium hydroxide, potassium hydroxide, lithium hydroxide, etc.
- the pH of the aqueous solution is neutral to weakly acidic, ethyl acetate.
- a solvent such as dichloromethane, 1,2-dichloroethane, chloroform, methyl ethyl ketone or toluene
- the compound represented by the general formula (1) or (1 ′) according to the present invention thus obtained has an excellent calcium receptor antagonistic action.
- the compound of the present invention may be used in combination with osteoporosis, hypoparathyroidism, osteosarcoma, periodontal disease, fracture, osteoarthritis, rheumatoid arthritis, Paget's disease, humoral hypercalcemia, autosomal dominant hypocalcemia, etc. When it is used as a therapeutic agent for the drug, it is usually administered orally or parenterally, systemically or locally.
- Dosage varies depending on age, body weight, symptoms, therapeutic effect, administration method, treatment time, etc., but is generally in the range of 0.0 lmg to 10 g per adult, once or several times a day orally or parenterally. Is administered.
- the one or more active substances include at least one inert diluent, dispersant or adsorbent, such as lactose, mannitol, glucose, hydroxypropylcellulose, microcrystalline C It is mixed with lulose, starch, polyvinyl hydrin, magnesium aluminate metasilicate, or silicate powder. Further, the composition may be mixed with additives other than the diluent according to a conventional method.
- capsules When prepared into tablets or pills, they may be coated with a film of a gastric or enteric substance such as sucrose, gelatin, hydroxypropylcellulose or hydroxymethylcellulose as needed. It may be coated with a layer.
- a gastric or enteric substance such as sucrose, gelatin, hydroxypropylcellulose or hydroxymethylcellulose as needed. It may be coated with a layer.
- capsules may be made of substances such as gelatin or ethyl cellulose.
- a liquid composition for oral administration When a liquid composition for oral administration is prepared, it can be in the form of a pharmaceutically acceptable emulsion, solubilizer, suspension, syrup or elixir.
- the diluent used includes, for example, purified water, ethanol, vegetable oil or emulsifier.
- this composition may contain adjuvants such as wetting agents, suspending agents, sweetening agents, flavoring agents, fragrances, preservatives and the like in addition to the diluent.
- a water-soluble solution for example, vegetable oils such as propylene glycol, polyethylene glycol or olive oil, and alcohols such as ethanol may be used.
- solubilizer for example, a surfactant (mixed micelle formation) such as polyoxyethylene hydrogenated castor oil and sucrose fatty acid ester, or lecithin or hydrogenated lecithin (ribosome formation) is also used.
- an emulsion formulation comprising a water-insoluble solubilizer such as vegetable oil, lecithin, polyoxyethylene hydrogenated castor oil, polyoxyethylenepolyoxypropylene glycol, or the like can be used.
- compositions for parenteral administration include topical solutions, ointments and other preparations containing one or more active substances and formulated in a manner known per se. It may be an agent or a pill.
- the compound of the present invention when used as a pharmaceutical, the compound may be a compound itself (dissociated form), a salt of the compound, a solvate of the compound or a prodrug form of the compound.
- Tripotassium phosphate (1.32 g), bis (diphenylphosphino) phenoctane palladium chloride (II) -dichloromethane complex (170 mg) was added dropwise to the suspension, and the mixture was heated under reflux for 7 hours.
- the reaction solution was returned to room temperature, water was added, and the mixture was extracted with ethyl acetate.
- the reaction solution was returned to room temperature, added with water and ethyl acetate, filtered through celite, and extracted with ethyl acetate.
- the 1-chloroethyl cyclohexyl carbonate (149 mg) obtained in step 1 was dissolved in N, N-dimethylformamide (5.0 ml), and the 2 ′-[1 -[(2R) 1-2-Hydroxy-1 3-[[2-Methyl-1- (naphthyl-1-yl) propane-2-yl] amino] Proboxy] ethyl] Bifeneru 4 (300 mg), potassium carbonate (99 mg), and potassium iodide (50 mg) were sequentially added, and the mixture was stirred at 60 ° C for 1 day. Water was added to the reaction solution, and the mixture was extracted three times with ethyl acetate.
- 2-Fedoacetophenone (6.30 g) was dissolved in methanol (50 ml), sodium borohydride (726 mg) was added, and the mixture was stirred at room temperature for 1.5 hours. After adding a 10% aqueous solution of citrate to the reaction solution, ethanol was distilled off, water was added, and the mixture was extracted three times with ethyl acetate. The organic layer was washed successively with a saturated aqueous solution of sodium hydrogen carbonate and a saturated saline solution, and dried over sodium sulfate. The organic layer was concentrated under reduced pressure, and the obtained residue was dissolved in tetrahydrofuran (50 ml).
- 1,4-Dibromobenzene (2.36 g), getyl phosphite (1.52 g) and triethylamine (1.53 ml) were dissolved in toluene, and tetrakis (triphenylphosphine) palladium (0) (578 mg) was added. The mixture was stirred at 80 ° C for 2 hours. The reaction solution was returned to room temperature and extracted with ethyl acetate.
- the (4-promophenyl) phosphonic acid getyl ester (1.16 g) and bispinacolato diboron (1.11 g) obtained in the step 1 were dissolved in dimethyl sulfoxide (15 ml), and bis (diphenylphosphino) was dissolved. To the mixture was added palladium (II) chloride (146 mg) and potassium acetate (1.17 g), and the mixture was stirred at 80 ° C for 14 hours.
- Example 1 [2, — [(1R) — 1— [(2R) — 2—hydroxy-1 3-— [[2-methyl-1-1 (naphthylen-1--2-yl) obtained in Step 3 of 1 ) Propane-2-yl [amino] propoxy] ethyl] biphenyl-4-yl] phosphonic acid ethyl ester (627 mg) dissolved in dichloromethane (10 ml) and bis (trimethylsilyl) trifluoroacetamide (311 ⁇ 1) and trimethylsilyl bromide (560 were added, and the mixture was stirred at 0 ° C for 2 hours.
- the reaction solution was extracted twice with a 1N aqueous solution of sodium hydroxide, and the aqueous sodium hydroxide solution layer was diluted with 10% citrate.
- the solution was adjusted to be acidic with an aqueous solution, and the precipitated phosphonic acid (460 mg) was collected by filtration, and the obtained phosphonic acid (200 mg) was dissolved in 2 equivalents of a 1N aqueous solution of sodium hydroxide, and the solution was frozen. Drying afforded the title compound (217 mg).
- Examples 13 to 33 were obtained based on any of the methods of Examples 1 to 12. Get The results obtained are shown in Table 15.
- culture medium 80 zl (0.5% dialyzed plasma serum and 0.25% dialyzed fetal serum) Containing F12 medium.
- test compound group Then, a 100-fold dilution of a dimethyl sulfoxide solution containing 0.1 to 1000 / zM of the test compound diluted with a medium was added at a concentration of 10 1 / well (dimethyl sulfoxide final concentration 0.1%).
- the control group and the plank group were added with a 100-fold dilution of dimethyl sulfoxide in a medium.
- a medium containing 5 O mM calcium chloride was added to all the wells except the plank group at a concentration of 10 1 / well (final concentration: 5 mM).
- Medium only was added to the plank group.
- a luciferase substrate was added, and the lucifer: case activity was measured in a photoluminometer overnight. From the obtained measured values, the inhibition rate (%) was determined by the following equation.
- a test compound was added to a 5-9 week-old male SD rat (Nippon Chara's River), which had been fasted for 20 hours, using a solvent (0.5% aqueous methylcellulose) at 3 mg / 5 ml / kg or 30 mg / 5 ml / kg. Oral administration at the dose.
- the control group was orally administered only the solvent at a dose of 5 ml / kg.
- Blood was collected from the tail vein at 15, 30, 60, and 120 minutes after administration of the test compound, and serum was collected. Serum PTH concentrations were measured with a late PTH ELISA kit (Amersham Bioscience). The results are shown in Table 7.
- Table 7 Table 7
- the inhibitory activity of the test compound was measured according to the procedure of the kit.
- the concentration (IC5 () ) showing a 50% inhibition rate was determined based on the enzyme activity when no test compound was added as 100%.
- the results are shown in Table 8. In the table, “> 10” indicates more than 10 zM.
- the compounds have a sufficient antagonistic effect on calcium receptors. That is, the IC5Q values of those compounds must be sufficiently low.
- International Publication W 099/51241 describes that “in general, calcium receptor inhibitors Low IC 5 in Sey. Compounds with values are better compounds. Compounds with an IC 5fl value of 50 M or more are considered inactive. Preferred compounds 10 ⁇ M following IC 5. Compounds, more preferred compounds have an IC 50 value of 1 M, and most preferred compounds have an IC 5D value of 0.1 / M or less. "Is written.
- the blood PTH concentration should be sufficiently improved.
- the compounds of the present invention have an IC 5 () value of ⁇ ⁇ or less, and have a sufficient antagonistic activity against calcium receptor.
- the PTH secretion of the compound of the present invention reaches a peak 15 minutes or 30 minutes after administration, and then rapidly decreases, and after about 1 to 2 hours, the blood PTH concentration before administration. Return to. It is clear that the compound of the present invention is excellent also from this viewpoint. On the other hand, when we performed additional tests on NPS-2143 shown in the literature, it was confirmed that the PTH secretion promoting effect of NPS-2143 was also persistent.
- the compound represented by the general formula (1) or (I 3 ) according to the present invention has excellent calcium receptor antagonism, as is clear from Test Example 1 described above. Therefore, Cal Diseases associated with abnormal homeostasis, i.e., osteoporosis, hypoparathyroidism, osteosarcoma, periodontal disease, fracture, osteoarthritis, rheumatoid arthritis, pajet's disease, humoral hypercalcemia, normal It is expected to be useful as a therapeutic agent for chromosomal dominant hypocalcemia. Further, as is clear from Test Examples 2 and 3, the compound of the present invention has a transient PTH secretion promoting action, and as is clear from Test Example 4, has a weak inhibitory action on the metabolic enzyme CYP 2 D6. Therefore, it is particularly useful as a therapeutic agent for osteoporosis.
- Cal Diseases associated with abnormal homeostasis i.e., osteoporosis, hypoparathyroidism, osteosarcoma, periodontal disease, fracture,
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- Chemical Kinetics & Catalysis (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Physical Education & Sports Medicine (AREA)
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- Orthopedic Medicine & Surgery (AREA)
- Molecular Biology (AREA)
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- Pain & Pain Management (AREA)
- Endocrinology (AREA)
- Obesity (AREA)
- Hematology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Diabetes (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Thiazole And Isothizaole Compounds (AREA)
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04735338A EP1630157A4 (en) | 2003-05-28 | 2004-05-28 | ANTAGONIST OF CASR |
| CA2527203A CA2527203C (en) | 2003-05-28 | 2004-05-28 | Casr antagonist |
| JP2005506573A JPWO2004106280A1 (ja) | 2003-05-28 | 2004-05-28 | CaSRアンタゴニスト |
| US11/286,378 US7285572B2 (en) | 2003-05-28 | 2005-11-25 | CaSR antagonist |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-151610 | 2003-05-28 | ||
| JP2003151610 | 2003-05-28 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US11/286,378 Continuation US7285572B2 (en) | 2003-05-28 | 2005-11-25 | CaSR antagonist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004106280A1 true WO2004106280A1 (ja) | 2004-12-09 |
Family
ID=33487234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/007758 Ceased WO2004106280A1 (ja) | 2003-05-28 | 2004-05-28 | CaSRアンタゴニスト |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7285572B2 (ja) |
| EP (1) | EP1630157A4 (ja) |
| JP (1) | JPWO2004106280A1 (ja) |
| CA (1) | CA2527203C (ja) |
| WO (1) | WO2004106280A1 (ja) |
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| UY24949A1 (es) | 1997-04-08 | 2001-04-30 | Smithkline Beecham Corp | Compuestos calcilíticos |
| AR018177A1 (es) | 1998-04-08 | 2001-10-31 | Smithkline Beecham Corp | Compuestos calciliticos, una composicion farmaceutica que los comprende y el uso de los mismos para la manufactura de un medicamento. |
| AR014975A1 (es) | 1998-04-08 | 2001-04-11 | Nps Pharma Inc | Compuestos calciliticos, una composicion farmaceutica que los comprende, y el uso de los mismos para la fabricacion de un medicamento |
| US6335338B1 (en) | 1998-08-12 | 2002-01-01 | Smithkline Beecham Corporation | Calcilytic compounds |
| US6291459B1 (en) | 1998-08-12 | 2001-09-18 | Smithkline Beecham Corporation | Calcilytic compounds |
| PE20001456A1 (es) | 1999-02-02 | 2001-01-28 | Smithkline Beecham Corp | Compuestos calcioliticos |
| CN1582275A (zh) | 2000-07-21 | 2005-02-16 | 史密丝克莱恩比彻姆公司 | 钙拮抗化合物 |
| JP4713026B2 (ja) * | 2000-08-11 | 2011-06-29 | 日本たばこ産業株式会社 | カルシウム受容体拮抗薬 |
| AU2002230579A1 (en) | 2000-10-25 | 2002-05-06 | Smithkline Beecham Corp | Calcilytic compounds |
| AU2002239489A1 (en) | 2000-10-25 | 2002-05-21 | Smithkline Beecham Corporation | Calcilytic compounds |
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2004
- 2004-05-28 JP JP2005506573A patent/JPWO2004106280A1/ja not_active Ceased
- 2004-05-28 CA CA2527203A patent/CA2527203C/en not_active Expired - Fee Related
- 2004-05-28 WO PCT/JP2004/007758 patent/WO2004106280A1/ja not_active Ceased
- 2004-05-28 EP EP04735338A patent/EP1630157A4/en not_active Withdrawn
-
2005
- 2005-11-25 US US11/286,378 patent/US7285572B2/en not_active Expired - Fee Related
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| WO2002014259A1 (en) * | 2000-08-11 | 2002-02-21 | Japan Tobacco Inc. | Calcium receptor antagonists |
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Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2004106280A1 (ja) | 2006-07-20 |
| EP1630157A1 (en) | 2006-03-01 |
| US7285572B2 (en) | 2007-10-23 |
| CA2527203A1 (en) | 2004-12-09 |
| CA2527203C (en) | 2010-08-17 |
| US20060135572A1 (en) | 2006-06-22 |
| EP1630157A4 (en) | 2007-05-23 |
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