WO2014183560A1 - 阿法替尼及其中间体的制备方法 - Google Patents
阿法替尼及其中间体的制备方法 Download PDFInfo
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- WO2014183560A1 WO2014183560A1 PCT/CN2014/076537 CN2014076537W WO2014183560A1 WO 2014183560 A1 WO2014183560 A1 WO 2014183560A1 CN 2014076537 W CN2014076537 W CN 2014076537W WO 2014183560 A1 WO2014183560 A1 WO 2014183560A1
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- amino
- preparation
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- afatinib
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/12—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains three hetero rings
- C07D498/18—Bridged systems
Definitions
- the invention belongs to the technical field of organic synthesis route design and preparation technology of raw materials and intermediates, in particular to an intermediate of afatinib 6-amino-7-hydroxy-3,4-dihydroquinazolin-4-one and Its preparation method and use in the preparation of afatinib.
- Protein tyrosine kinase is the most common growth factor receptor and is anti-tumor by blocking tyrosine kinases from disrupting the signaling of tumor cells.
- Receptor tyrosine kinase inhibitors include single-target tyrosine kinase inhibitors and multi-target tyrosine kinase inhibitors.
- the currently active Tini antitumor drugs are multi-target tyrosine kinase drugs with anti-prostate, lung, stomach, blood, breast, bowel, pancreatic and biliary cancers.
- 6-amino 7-hydroxy-3,4-dihydroquinazolin-4-one (I) will be important for the preparation of the above-mentioned 6 amino-7 hydroxy oxazolidine derivatives.
- Intermediate. Existing "The synthesis of this intermediate must pass the steps of nitrification, reduction, ring formation, etc. The use of fuming nitric acid and concentrated sulfuric acid in the existing nitrification technology causes oxidation, elimination or substitution of the exposed amino and hydroxyl groups in the raw material.
- quinazoline-4-ketone (I) has very important practical significance for the preparation of anti-tumor drugs such as afatinib, carnitinib and dexmitinib based on quinazoline structure.
- Afatinib is a multi-target small molecule drug developed by Boehringer fogdheim, Germany. It belongs to epidermal growth factor receptor (EGFR) and human epidermal receptor (HE). R2) an irreversible inhibitor of tyrosine kinase, and the first drug for the treatment of lung cancer after treatment of epidermal growth factor with sputum inhibitors. Clinically, it can be used in advanced non-small cell lung cancer and advanced breast cancer and vine cancer.
- NSCLC non-small cell lung cancer
- EU EU
- Gioiirif United States
- Giotrif EU
- afatinib (V) The chemical name of afatinib (V) is 4-[(3-chloro-4-fluorophenyl)amino]-6- ⁇ [4 N,N-dimethylamino)oxy-2-butene — 1 —yl]amino 7-[(S)-(tetrahydrofuran-3-yl)oxy] quinazoline.
- the object of the present invention is to provide a compound 6-amino-7-hydroxy-3,4-dihydroquinazolin-4-one which can be used for the synthesis of afatinib and the preparation thereof against the above defects in the prior art.
- the method especially by the solid acid-catalyzed nitration reaction, enhances the activity and selectivity of the nitration reaction, avoids the protection and deprotection of the amino group and the hydroxyl group, and makes the atomic economy, process cleanliness and environmental friendliness of the entire preparation process sexuality has been significantly improved.
- 6-amino-7-hydroxy-3,4-porphyrin-4-one is used as a starting material to provide two preparation methods of afatinib, which makes the preparation of afatinib more convenient and economical.
- the main technical solutions provided are as follows: A compound characterized by its chemical name 6-amino-7-hydroxy-3,4-dihydroquinazolin-4-one, molecular formula such as formula (I ) shown -
- the preparation method of the compound 00 comprises the steps of: 3-amino ⁇ 4-hydroxybenzoic acid or 3-amino-4-ylbenzoic acid ester or 3-oxa-4-hydroxybenzamide represented by the formula (II)
- the raw material is sequentially subjected to a nitration reaction, a reduction reaction, and a ring-forming reaction to obtain 6 amino-7-hydroxy ⁇ 3,4dihydroquinazoline-4-one 0.
- the present invention also includes the following subsidiary technical solutions:
- R in the chemical formula ( ⁇ ) is a hydroxyl group ( ⁇ )
- the starting material is 3-amino-4-hydroxybenzoic acid
- R is a hydrocarbyloxy group (OR')
- R' is methyl, ethyl, propyl dry propyl isopropyl n-butyl, tert-butyl, cyclohexyl, benzyl or a benzyl group substituted on the phenyl ring, preferably a methyl group or an ethyl group
- R is an amine group NH: 2
- the starting material is 3-amino-4-hydroxybenzamide.
- the nitrating reaction agent is concentrated nitric acid, copper acidate, acid strontium or acid zinc, preferably concentrated nitric acid or bismuth zinc silicate.
- the catalyst for the 3 ⁇ 4 Xiaohua reaction is sulfuric acid/melamine formaldehyde resin, sulfuric acid/polyvinyl fluorenone (PVP), sulfuric acid/silica, hydrazine: chlorotriazine (TCT) or aluminum dihydrogen phosphate, preferably three Chlorotriazine or aluminum dihydrogen phosphate; the amount of the catalyst] is from 1 to 10%, preferably from 1 to 5%, based on the moles of the starting material (II).
- the solvent for the nitration reaction is methylene chloride, chlorobenzene, trichloromethane, 1,2-dichloromethane, acetonitrile or water, preferably acetonitrile or water.
- the temperature of the nitration reaction is 0 - 12 () ° C, preferably 20 - 30 ° C.
- the present invention also discloses that 6-amino-7-hydroxy-3,4-dihydroquinazoline-4one (I) is chlorinated to form 4-chloro-6-amino group.
- the preparation method comprises the following steps: 6-amino-7-hydroxy-3,4-dihydroquinazolin-4-one (I) by chlorination to obtain 4-chloro-6-amino-7-hydroxyl Quinazolium (VI), the compound (VI) and (S 3-hydroxytetrahydrofuran are etherified to form 4-chloro-6amino-7-[(SX tetrahydrofuran-3-yl)oxy]quinazoline ( VII), the compound (VII) is acylated with 4-(N,N-dimethylamino)-2-ene-butyryl chloride to form 4chloro-6- ⁇ [4-( ⁇ , ⁇ -dimethyl Amino group) small oxo-2-butene-1-yl]amino 7- [(SH four , the compound C ffl) is substituted with 4-fluoro-3-chloroaniline to prepare the afatinib (V).
- the accelerator for the etherification reaction is diethyl azodicarboxylate (DEAD), diisopropyl azodicarboxylate (DIAD), dipropyl azodicarboxylate (DM: D), azodi Dimethyl carboxylate (DM AD; di-dichlorobenzyl azodicarboxylate (DCAD),
- TMAD ⁇ , ⁇ , ⁇ ', ⁇ '-Tetramethylazodicarboxyamide
- TIPA ⁇ , ⁇ ', ⁇ '-tetraisopropylazodicarboxyamide
- ADDP azodicarboxylate Acridine
- DEAD diethyl azodicarboxylate
- D1: AD diisopropyl azodicarboxylate
- the promoter of the etherification reaction may also be 'triphenyl S (TPP), tributyl S (TBP), trimethylphosphine (TMA) or cyanomethylenetributylphosphorane (CMBP).
- TPP triphenylphosphine
- TBP tributyl hydride
- the solvent for the etherification reaction is toluene, xylene, ethyl acetate, isopropyl acetate, butyl acetate, dioxane, dichloromethane, chloroform, 1,2-dichloroethane, dimethylene.
- the starting material of the acylation reaction is 4-chloro-6-amino 7-[(S)(tetrahydrofuran-3-yl)oxy]oxazolium ruthenium (VII) with 4-( ⁇ , ⁇ -amino 2 -ene - Butyryl chloride is charged in a molar ratio of 1: 2 -, preferably 1: 1.1 - 1.3.
- the acid binding agent of the acylation reaction is triethylamine, pyridine, methylmorphine, diisopropylethylamine, hydrogen Sodium oxide, uranium methoxide, sodium hydride, potassium hydroxide, sodium carbonate, sodium hydrogencarbonate or potassium carbonate, preferably ethylamine or potassium carbonate.
- the starting material of the condensation reaction is 4-chloro-6- ⁇ [4-( ⁇ , ⁇ -Dimethylamino)- ⁇ -oxo-2-buten-1-yl]amino 7-[(S)-(tetrahydrofuran-3-yl)oxy]quinazoline (VIII) and fluoro-
- the feed of 3-chloroaniline is 1:1-2, preferably 1:1.3.
- the acid binding agent of the condensation reaction is hydrazine: ethylamine pyridylmethylmorphine, diisopropylethylamine, sodium hydroxide methanol Sodium, sodium hydroxide, potassium hydroxide, sodium carbonate, sodium hydrogencarbonate or potassium carbonate, preferably triethylamine or pyridine.
- the solvent for the condensation reaction is methanol, ethanol, isopropanol, dichloromethane, chloroform, 2,-dichloroethane, acetonitrile, hydrazine, hydrazine-dimethylmethylamine, hydrazine, hydrazine Methylacetamide toluene, xylene, diethyl ether, diisopropyl ether, dihydrotetrahydrofuran or methyl tert-butyl ether, preferably isopropanol or toluene.
- the present invention also discloses that 6-amino-7-hydroxy-3,4-dihydroquinazoline 4-one is prepared without the chlorination reaction and directly with 4 fluoro-3-chloroaniline in the presence of a condensing agent.
- a method of afatinib, the preparation method thereof comprises the following steps; 6-amino-7-hydroxyl
- the starting material of the condensation reaction is 6- ⁇ [4-( ⁇ , ⁇ -dimethylamino)oxy-2-butenyl]aminotetrahydrofuran
- the molar ratio of 4-fluoro-3-chloroaniline is: 1-2, preferably 1 ⁇ ] -1.
- the condensation agent for the condensation reaction is hydrazine, -dicyclohexylcarbodiimide (DCC), carbonyldiimidazole (CDI), hydrazine, ⁇ '-diisopropylcarbodiimide (DIC;, ⁇ -hydroxy- Benzotriazole (H: OBt), () - benzo: triazole - hydrazine, hydrazine, hydrazine, ⁇ '-tetramethyluronium tetrafluoroborate (TBTU), 0-(7-even Nitrobenzotriazine 5 sitting) - ⁇ , ⁇ , ⁇ ', ⁇ '-tetramethyl urea hexafluorophosphate (HATU), benzotriazole
- HBTU ⁇ '-tetramethylurea hexafluorophosphate
- ⁇ benzotriazol-1-yloxytris(dimethylamino)phosphorus hexafluorophosphate
- HBTU benzotriazole - ⁇ , ⁇ , ⁇ ', ⁇ '-tetramethylurea hexafluorophosphate
- benzopyrene nitrogen 3 ⁇ 4- _-yloxy: (dimethylamino)phosphorus clock hexafluorophosphate ( ⁇ ).
- the base accelerator of the condensation reaction is hydrazine: ethylamine (hydrazine), pyridine, 2,6-dimethylpyridinium, 4-dimethylaminopyridinium (DM/VP), N-methyl-Morraine (NMM), N-ethylmorphine (NEM), diisopropylethylamine (DffiA), 1,8-diazabicyclo[5.4.0] -11- 7-ene (DBU) or 1,4-diazabicyclo[2.2.2]octane (DABC0), preferably 1,8-diazabicyclo[5.4.0]- ⁇ --7 - alkene (DBU) or 1,5-diazabicyclo[4.3.0]-non-5-ene (DBN) or 1,4-diazabicyclo[2.2.2]octane
- DBU 1,8-diazabicyclo[5.4.0]- ⁇ --7 - alkene
- DBN 1,5-diazabic
- the solvent for the condensation reaction is toluene, xylene, ethyl acetate, isopropyl acetate, butyl acetate, chloroform, dimethyl sulfoxide, N,N-dimethylformamide or acetonitrile, preferably acetonitrile.
- the temperature of the condensation reaction is from 0 to 120 ° C, preferably 50 60 ° C.
- the pharmaceutical intermediate 6-amino-7-hydroxy-3,4-dihydroquinazolin-4-one disclosed in the present invention and its preparation method enhance the nitrification reaction by using a novel catalyst.
- the selectivity, omitting functional group protection and deprotection, makes the entire preparation process simple and efficient.
- the use of the intermediate 6-amino-7-hydroxy-3,4-dihydroquinazoline 4 ketone to prepare afatinib the advantages are mainly easy to obtain raw materials, less reaction steps, economical and environmentally friendly, which is conducive to the industrial production of the drug, promote The economic and technological development of the drug substance.
- the technical solution of the present invention will be further described in detail below with reference to a few preferred embodiments.
- Embodiment 1 is a diagrammatic representation of Embodiment 1:
- Embodiment 5 is a diagrammatic representation of Embodiment 5:
- Methyl 2,5-diamino-4-hydroxybenzoate (IV) (3.64 g, 20 mmol), ammonium formate (L5g, 24 mmol) and N,N-dimethylformamide 20 mL were added to the reaction flask at room temperature. The temperature was raised to 165 ° C, and the reaction was stirred for 3 hours. Cool, pour into ice water, and solids appear. Filtration, the filter cake was washed with water and dried in vacuo to give a white solid 6-amino-7-hydroxy-3,4-dihydroquinazoline-4-one 0) 3.2 g, yield 90, 43 ⁇ 4.
- Example 10 Add isopropyl azodicarboxylate (3 mL, 15 mmol) and 4 mL of tetrahydrofuran to a OOmL three-necked flask at room temperature, and add a solution of triphenyl (4.0 g, 15 mmd) in tetrahydrofuran in 25 mL at room temperature. The reaction was carried out for 2 hours at room temperature. Under a nitrogen atmosphere, a solution of (S)-3-hydroxytetrahydrofuran (0.3 g, 3.4 mmol) in tetrahydrofuran (5 mL) was added dropwise to the above reaction system.
- Example 14 Addition of 6-amino-7-H tetrahydrofuran-3-yloxy]-3,4-dihydroquinium to a three-necked vial - 4-ketone (IX) (0.62 g, 2.5 mm) !), triethylamine (0.25 g, 2.5 mmol) and dichloromethane 20 mL, warmed to 40-45 ° C, stirred until the system dissolved uniformly. Decrease to below 10 °C, slowly add dropwise 4-(N,N-dimethylamino)-2-ene-butyryl chloride (0.42g, 2.8mmoi) in 10mL solution of dichloromethane, continue to react at room temperature after the dropwise addition.
- IX 6-amino-7-H tetrahydrofuran-3-yloxy]-3,4-dihydroquinium
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Abstract
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Applications Claiming Priority (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310181150.2 | 2013-05-16 | ||
| CN201310181150.2A CN103288757B (zh) | 2013-05-16 | 2013-05-16 | 6-氨基-7-羟基-3,4-二氢喹唑啉-4-酮的制备方法 |
| CN201310180796.9 | 2013-05-16 | ||
| CN201310180650.4A CN103265497B (zh) | 2013-05-16 | 2013-05-16 | 一种替尼类抗肿瘤药合成所需中间体4-氯-6-氨基-7-羟基喹唑啉及其制备方法 |
| CN201310182778.4A CN103242303B (zh) | 2013-05-16 | 2013-05-16 | 阿法替尼的制备方法 |
| CN201310182778.4 | 2013-05-16 | ||
| CN201310180796.9A CN103288808B (zh) | 2013-05-16 | 2013-05-16 | 一种阿法替尼的制备方法 |
| CN201310181198.3A CN103288755B (zh) | 2013-05-16 | 2013-05-16 | 替尼类抗肿瘤药合成所需中间体4-氯-6-氨基-7-羟基喹唑啉及其制备方法 |
| CN201310181198.3 | 2013-05-16 | ||
| CN201310180650.4 | 2013-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014183560A1 true WO2014183560A1 (zh) | 2014-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2014/076537 Ceased WO2014183560A1 (zh) | 2013-05-16 | 2014-04-30 | 阿法替尼及其中间体的制备方法 |
Country Status (1)
| Country | Link |
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| WO (1) | WO2014183560A1 (zh) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016185485A3 (en) * | 2015-05-18 | 2017-01-19 | Msn Laboratories Private Limited | Process for the preparation of n-[4-[(3-chloro-4-fluoro phenyl) amino]-7-[[(3s)-tetrahydro-3-furanyl]oxy]-6-quinazolinyl]-4- (dimethyl amino)-(2e)-2-butenamide (2z)-2-butenedioate (1 :2) and its polymorphs thereof |
| WO2022006534A1 (en) * | 2020-07-02 | 2022-01-06 | The Brigham And Women's Hospital, Inc. | Targeting serpin b9 in cancer |
| WO2022009376A1 (ja) | 2020-07-09 | 2022-01-13 | Delta-Fly Pharma株式会社 | 脳転移を有する末期非小細胞肺がん患者を治療するための組み合わせ医薬品 |
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- 2014-04-30 WO PCT/CN2014/076537 patent/WO2014183560A1/zh not_active Ceased
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016185485A3 (en) * | 2015-05-18 | 2017-01-19 | Msn Laboratories Private Limited | Process for the preparation of n-[4-[(3-chloro-4-fluoro phenyl) amino]-7-[[(3s)-tetrahydro-3-furanyl]oxy]-6-quinazolinyl]-4- (dimethyl amino)-(2e)-2-butenamide (2z)-2-butenedioate (1 :2) and its polymorphs thereof |
| US10550107B2 (en) | 2015-05-18 | 2020-02-04 | Msn Laboratories Private Limited | Process for the preparation of N-[4-[(3-chloro-4-fluoro phenyl) amino]-7-[[(3s-tetrahydro-3-furanyl]oxy]-6-quinazolinyl]-4-(dimethyl amino)-(2E)-2-butenamide (2Z)-2-butenedioate (1:2) and its polymorphs thereof |
| WO2022006534A1 (en) * | 2020-07-02 | 2022-01-06 | The Brigham And Women's Hospital, Inc. | Targeting serpin b9 in cancer |
| WO2022009376A1 (ja) | 2020-07-09 | 2022-01-13 | Delta-Fly Pharma株式会社 | 脳転移を有する末期非小細胞肺がん患者を治療するための組み合わせ医薬品 |
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