JP2011500691A - ビフェニルカルボン酸及びその誘導体 - Google Patents
ビフェニルカルボン酸及びその誘導体 Download PDFInfo
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- JP2011500691A JP2011500691A JP2010530013A JP2010530013A JP2011500691A JP 2011500691 A JP2011500691 A JP 2011500691A JP 2010530013 A JP2010530013 A JP 2010530013A JP 2010530013 A JP2010530013 A JP 2010530013A JP 2011500691 A JP2011500691 A JP 2011500691A
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- Prior art keywords
- trifluoromethyl
- benzyloxy
- methyl
- biphenyl
- compound according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- ILYSAKHOYBPSPC-UHFFFAOYSA-N 2-phenylbenzoic acid Chemical compound OC(=O)C1=CC=CC=C1C1=CC=CC=C1 ILYSAKHOYBPSPC-UHFFFAOYSA-N 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims abstract description 115
- 102000002659 Amyloid Precursor Protein Secretases Human genes 0.000 claims abstract description 44
- 108010043324 Amyloid Precursor Protein Secretases Proteins 0.000 claims abstract description 44
- 208000024827 Alzheimer disease Diseases 0.000 claims abstract description 36
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- 238000011282 treatment Methods 0.000 claims abstract description 17
- 150000002148 esters Chemical class 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims description 43
- 108010064539 amyloid beta-protein (1-42) Proteins 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 26
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- 241000124008 Mammalia Species 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 9
- 239000012453 solvate Substances 0.000 claims description 8
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 7
- 150000004677 hydrates Chemical class 0.000 claims description 7
- 201000010099 disease Diseases 0.000 claims description 6
- 229940079593 drug Drugs 0.000 claims description 6
- 239000008194 pharmaceutical composition Substances 0.000 claims description 6
- OPYHTZAEPQXKES-XMMPIXPASA-N (2r)-2-[3-[(3,5-difluorophenyl)methoxy]-5-[4-(trifluoromethyl)phenyl]phenyl]-4-methylpentanoic acid Chemical compound C=1C(C=2C=CC(=CC=2)C(F)(F)F)=CC([C@H](C(O)=O)CC(C)C)=CC=1OCC1=CC(F)=CC(F)=C1 OPYHTZAEPQXKES-XMMPIXPASA-N 0.000 claims description 4
- OPYHTZAEPQXKES-DEOSSOPVSA-N (2s)-2-[3-[(3,5-difluorophenyl)methoxy]-5-[4-(trifluoromethyl)phenyl]phenyl]-4-methylpentanoic acid Chemical compound C=1C(C=2C=CC(=CC=2)C(F)(F)F)=CC([C@@H](C(O)=O)CC(C)C)=CC=1OCC1=CC(F)=CC(F)=C1 OPYHTZAEPQXKES-DEOSSOPVSA-N 0.000 claims description 3
- RHTCSQQCFNRGMX-UHFFFAOYSA-N 2-[3-[4-chloro-3-(trifluoromethyl)phenyl]-5-[(3,5-difluorophenyl)methoxy]phenyl]-4-methylpentanoic acid Chemical compound C=1C(C=2C=C(C(Cl)=CC=2)C(F)(F)F)=CC(C(C(O)=O)CC(C)C)=CC=1OCC1=CC(F)=CC(F)=C1 RHTCSQQCFNRGMX-UHFFFAOYSA-N 0.000 claims description 3
- QCNDCGORTXIJCJ-UHFFFAOYSA-N 2-[3-[[4-fluoro-2-(trifluoromethyl)phenyl]methoxy]-5-[4-(trifluoromethyl)phenyl]phenyl]-4-methylpentanoic acid Chemical compound C=1C(C=2C=CC(=CC=2)C(F)(F)F)=CC(C(C(O)=O)CC(C)C)=CC=1OCC1=CC=C(F)C=C1C(F)(F)F QCNDCGORTXIJCJ-UHFFFAOYSA-N 0.000 claims description 3
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- 229910052943 magnesium sulfate Inorganic materials 0.000 description 11
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- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 10
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- 102000013455 Amyloid beta-Peptides Human genes 0.000 description 7
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 7
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- WHEPHHPAHOECGU-UHFFFAOYSA-N 4-benzyl-3-[2-[3-[(3,5-difluorophenyl)methoxy]-5-[4-(trifluoromethyl)phenyl]phenyl]-4-methylpentanoyl]-1,3-oxazolidin-2-one Chemical compound C=1C(OCC=2C=C(F)C=C(F)C=2)=CC(C=2C=CC(=CC=2)C(F)(F)F)=CC=1C(CC(C)C)C(=O)N(C(OC1)=O)C1CC1=CC=CC=C1 WHEPHHPAHOECGU-UHFFFAOYSA-N 0.000 description 6
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 6
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- 238000001514 detection method Methods 0.000 description 6
- ADEBPBSSDYVVLD-UHFFFAOYSA-N donepezil Chemical compound O=C1C=2C=C(OC)C(OC)=CC=2CC1CC(CC1)CCN1CC1=CC=CC=C1 ADEBPBSSDYVVLD-UHFFFAOYSA-N 0.000 description 6
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- WJKHJLXJJJATHN-UHFFFAOYSA-N triflic anhydride Chemical compound FC(F)(F)S(=O)(=O)OS(=O)(=O)C(F)(F)F WJKHJLXJJJATHN-UHFFFAOYSA-N 0.000 description 6
- NJGUJLXCWBKJCM-UHFFFAOYSA-N 4-benzyl-3-[2-[3-hydroxy-5-[4-(trifluoromethyl)phenyl]phenyl]-4-methylpentanoyl]-1,3-oxazolidin-2-one Chemical compound C=1C(O)=CC(C=2C=CC(=CC=2)C(F)(F)F)=CC=1C(CC(C)C)C(=O)N(C(OC1)=O)C1CC1=CC=CC=C1 NJGUJLXCWBKJCM-UHFFFAOYSA-N 0.000 description 5
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- C—CHEMISTRY; METALLURGY
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Abstract
Description
本願は、2007年10月17日出願の米国仮特許出願第60/980,587号の出願に対する優先権の利益を主張するものである。上述の関連する米国特許出願の完全な開示内容を本明細書に援用するものである。
本発明は、R1〜R4の定義が下記に与えられるような、一般式Iを有する化合物、及び/又はその塩若しくはエステルに関する。
R1は、F、Cl、又はCF3であり、
R2は、F、Cl、又はCF3であり、
R3は、F、Cl、又はCF3であり、
R4は、H、F、Cl、又はCF3であり、
並びに、溶媒和物、水和物、エステル、及びそれらの医薬上許容される塩に関する。
R1は、F、Cl、又はCF3であり、
R2は、F、Cl、又はCF3であり、
R3は、F、Cl、又はCF3であり、
R4は、H、F、Cl、又はCF3であり、
並びに、溶媒和物、水和物、エステル、及びそれらの医薬上許容される塩に関する。
R1は、Fであり、
R2は、F、Cl、又はCF3であり、
R3は、CF3であり、
R4は、H、F、Cl、又はCF3であり、
並びに、溶媒和物、水和物、エステル、及びそれらの医薬上許容される塩である。
(R)−2−[5−(3,5−ジフルオロ−ベンジルオキシ)−4−トリフルオロメチル−ビフェニル−3−イル]−4−メチル−ペンタン酸、
(S)−2−[5−(3,5−ジフルオロ−ベンジルオキシ)−4’−トリフルオロメチル−ビフェニル−3−イル]−4−メチル−ペンタン酸、
2−[5−(4−フルオロ−2−トリフルオロメチル−ベンジルオキシ)−4’−トリフルオロメチル−ビフェニル−3−イル]−4−メチル−ペンタン酸、
2−[4’−クロロ−5−(3,5−ジフルオロ−ベンジルオキシ)−3’−トリフルオロメチル−ビフェニル−3−イル]−4−メチル−ペンタン酸、
からなる群から選択される、化合物、並びに、溶媒和物、水和物、エステル、及びそれらの医薬上許容される塩である。
以下の一般的説明はあくまで説明を目的としたものであって決して発明を限定するためのものではない。
特に断らないかぎり、反応はすべて不活性雰囲気中で行った。NMRスペクトルはBruker dpx400によって得た。LCMSは、A法についてZORBAX(登録商標)SB−C18、4.6×75mm、3.5ミクロンのカラムを使用し、Agilent1100で行った。カラム流量を1ml/分とし、溶媒として水及びアセトニトリル(0.1%TFA)を10μlの注入体積で使用した。波長は254及び210nmとした。キラルカラムによってキラル純度分析を行った。
(R)2−[5−(3,5−ジフルオロ−ベンジルオキシ)−4’−トリフルオロメチル−ビフェニル−3−イル]−4−メチル−ペンタン酸
a) (3,5−ビス−ベンジルオキシ−フェニル)−酢酸メチルエステル
d) (5−ベンジルオキシ−4’−トリフルオロメチル−ビフェニル−3−イル)−酢酸エチルエステル
化合物1f(4g、10mmol)のDMF溶液に、炭酸セシウム(g、15mmol)、次いで臭化3,5−ジフルオロベンジルを加えた。得られた溶液を室温で18時間攪拌した後、水で反応を停止させた。この水溶液を酢酸エチルで抽出した。有機層を洗浄、乾燥、及び蒸発させて残渣を得た(5g)。次いで粗生成物を1N水酸化カリウム(KOH)/メタノール溶液(MeOH)(3当量)中、室温で一晩置いた。溶液を濃塩酸で酸性とした後、酢酸エチルで抽出した。次いで有機層を水で洗浄し、硫酸ナトリウムで乾燥した後、ロータリーエバポレータで蒸発させて粗生成物を得た。粗生成物をヘプタン中で粉砕し、4.3g(収率91%)の(R)及び(S)生成物を得た。
h)5−ベンジルオキシ−4’−トリフルオロメチル−ビフェニル−3−イル)−酢酸
i) 4−ベンジル−3−[2−(5−ベンジルオキシ−4’−トリフルオロメチル−ビフェニル−3−イル)−アセチル]−オキサゾリジン−2−オン
(S)−2−[5−(3,5−ジフルオロ−ベンジルオキシ)−4’−トリフルオロメチル−ビフェニル−3−イル]−4−メチル−ペンタン酸
(R)−2−[5−(4−フルオロ−2−トリフルオロメチル−ベンジルオキシ)−4’−トリフルオロメチル−ビフェニル−3−イル]−4−メチル−ペンタン酸
2−[4’−クロロ−5−(3,5−ジフルオロ−2−ベンジルオキシ)−3’−トリフルオロメチル−ビフェニル−3−イル]−4−メチル−ペンタン酸
中間体4e(3g、5.5mmol)、1N水酸化ナトリウム(16mL)をTHF/メタノール(50/50mL)に加えた溶液を室温で1日攪拌した。溶液を濃縮し、酢酸エチル(500mL)を加えた。1N塩酸及び食塩水で洗浄した後、酢酸エチル層を硫酸マグネシウム上で乾燥して蒸発させた。カラムクロマトグラフィー(0〜30%/酢酸エチル/ヘキサン)により2.7gの白色固体(71%)を得た。次いでこの固体を酢酸エチル(100mL)に溶解し、1N水酸化ナトリウム(5.26mL、5mmol)に加え、室温で10分攪拌した。次いで溶媒を真空により除去し、化合物をナトリウム塩として得た。MH+513.2(弱いピーク).1HNMR(300MHz,CD3OD):δ0.94(d,6H,J=6.51Hz),δ1.5−1.67(m,2H),δ1.9−2.0(m,1H),δ3.67(t,1H,J=7.85Hz),δ5.2(s,2H),δ6.89(m,1H),δ7.1(m,4H),δ7.27(s,1H),δ7.68(d,1H,J=8.42Hz),δ7.85(m,1H),δ7.97(d,1H,J=2.0Hz).
1%非必須アミノ酸を添加した5%血清/Feを含む、ギブコ社(Gibco)によって提供されるDMEM/Nut−mix F12(HAM)培地(カタログNo.31330−38)で増殖させた、APP695−野生型を有するSKNBE2細胞を用いてスクリーニングを行った。
本発明のAβ42低下剤は、ヒトなどの哺乳動物におけるADを治療するために使用することが可能であるか、あるいは、これらに限定されるものではないがマウス、ラット又はモルモットなどの動物モデルにおける有効性を実証するものである。その場合の哺乳動物はADを診断されていなくともよく、ADの遺伝的素因を有していなくともよいが、ADを発症したヒトに見られるのと同様にAβを過剰生産してやがて沈着するような形質転換体であってよい。
4時間の時点における経口用量30mg/kg
Claims (14)
- R1がFであり、
R3がCF3である、請求項1に記載の化合物、
並びに、溶媒和物、水和物、エステル及びそれらの医薬上許容される塩。 - (R)−2−[5−(3,5−ジフルオロ−ベンジルオキシ)−4’−トリフルオロメチル−ビフェニル−3−イル]−4−メチル−ペンタン酸、
(S)−2−[5−(3,5−ジフルオロ−ベンジルオキシ)−4’−トリフルオロメチル−ビフェニル−3−イル]−4−メチル−ペンタン酸、
2−[5−(4−フルオロ−2−トリフルオロメチル−ベンジルオキシ)−4’−トリフルオロメチル−ビフェニル−3−イル]−4−メチル−ペンタン酸、
2−[4’−クロロ−5−(3,5−ジフルオロ−ベンジルオキシ)−3’−トリフルオロメチル−ビフェニル−3−イル]−4−メチル−ペンタン酸、からなる群から選択される、請求項2に記載の化合物、
並びに、溶媒和物、水和物、エステル及びそれらの医薬上許容される塩。 - 薬剤として使用するための請求項1〜3のいずれか一項に記載の化合物。
- γ−セクレターゼを調節する薬剤を調製するための請求項1〜3のいずれか一項に記載の化合物の使用。
- Aβ42の産生レベルの上昇を伴う疾患の治療用薬剤を調製するための請求項1〜3のいずれか一項に記載の化合物の使用。
- アルツハイマー病の治療用薬剤を調製するための請求項1〜3のいずれか一項に記載の化合物の使用。
- 請求項1〜3のいずれか一項に記載の化合物を不活性の担体との混合物中に含む医薬組成物。
- 薬剤の調製方法であって、
a)請求項1〜3のいずれか一項に記載の化合物を調製する工程と、
b)前記化合物を含有する薬剤を製剤化する工程と、を含む方法。 - γ−セクレターゼの調節に関して哺乳動物を治療するための方法であって、前記哺乳動物に請求項1〜3のいずれか一項に記載の化合物の治療上の有効量を投与する工程を含む、方法。
- 哺乳動物においてAβ42の産生レベルの上昇を伴う疾患の治療方法であって、前記哺乳動物に請求項1〜3のいずれか一項に記載の化合物の治療上の有効量を投与する工程を含む、方法。
- 哺乳動物のアルツハイマー病の治療方法であって、前記哺乳動物に請求項1〜3のいずれか一項に記載の化合物の治療上の有効量を投与する工程を含む、方法。
- ほぼ純粋な塩基としての請求項1に記載の化合物。
- 単離された形態である、請求項1に記載の化合物。
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