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(3S)-5-methyl-3-(2-oxo-2-{[(1S)-1-phenylethyl]amino}ethyl)hexanoic acid | 930280-42-5

中文名称
——
中文别名
——
英文名称
(3S)-5-methyl-3-(2-oxo-2-{[(1S)-1-phenylethyl]amino}ethyl)hexanoic acid
英文别名
(3S)-5-methyl-3-(2-oxo-2{[(1S)-1-phenylethyl]amino}ethyl)hexanoic acid;(3S)-5-methyl-3-[2-oxo-2-[[(1S)-1-phenylethyl]amino]ethyl]hexanoic acid
(3S)-5-methyl-3-(2-oxo-2-{[(1S)-1-phenylethyl]amino}ethyl)hexanoic acid化学式
CAS
930280-42-5
化学式
C17H25NO3
mdl
——
分子量
291.39
InChiKey
MNEMQQWDPAVARE-KBPBESRZSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

物化性质

  • 沸点:
    505.6±43.0 °C(Predicted)
  • 密度:
    1.067±0.06 g/cm3(Predicted)

计算性质

  • 辛醇/水分配系数(LogP):
    3
  • 重原子数:
    21
  • 可旋转键数:
    8
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    0.53
  • 拓扑面积:
    66.4
  • 氢给体数:
    2
  • 氢受体数:
    3

上下游信息

  • 下游产品
    中文名称 英文名称 CAS号 化学式 分子量

反应信息

点击查看最新优质反应信息

文献信息

  • PROCESS FOR THE PREPARATION OF PREGABALIN
    申请人:HIKAL LIMITED
    公开号:US20150344919A1
    公开(公告)日:2015-12-03
    The present invention provides an improved process for the preparation of a compound of formula (I), which comprises the steps of: formula (I), (a) reacting isovaleraldehyde of formula (II) and alkyl cyanoacetate of formula (III) optionally in presence of salts of weak acid and weak base or weak base in a suitable solvent to get 2-cyano-5-methyl-hex-2-enoic acid alkyl ester of formula (IV); (b) reacting 2-cyano-5-methyl-hex-2-enoic acid alkyl ester of formula (IV) with a suitable cyanide source in water or in an organic solvent or mixture thereof to get 2-isobutylsuccinonitrile of formula (V); (c) obtaining optionally 2-isobutylsuccinonitrile of formula (V) by reacting isovaleraldehyde of formula (II) and alkyl cyanoacetate of formula (III) in presence of suitable cyanide source in water or in an organic solvent or mixture thereof in single step; (d) converting 2-isobutylsuccinonitrile of formula pa (V) to racemic 3-cyano-5-methyl-hexanoic acid or salt thereof of formula (VI) with a genetically modified nitrilase enzyme (Nit pt 9N_56_2) in water or optionally with an organic co-solvent at appropriate pH and temperature; (e) converting racemic 3-cyano-5-methyl-hexanoic acid or salt thereof of formula (VI) to racemic alkyl 3-cyano-5-methyl-hexanoate of formula (VII) by treatment with alcohol (R3OH) and acidic catalyst or alkyl halide (R3X) in presence of a base in a suitable solvent or a mixture of solvents thereof; (f) obtaining (S)-alkyl 3-cyano-5-methyl-hexanoate of formula (VIII) and (R)-3-cyano-5-methyl-hexanoic acid or salt thereof of formula (X) by enzymatic enantioselective hydrolysis in water or organic solvent or a mixture thereof from racemic alkyl 3-cyano-5-methyl-hexanoate of formula (VII); (g) obtaining optionally the compound of formula (VII) by racemizing unwanted (R)-3-cyano-5-methyl-hexanoic acid or salt thereof of formula (X) or substantially enriched (R)-3-cyano-5-methyl-hexanoic acid salt thereof of formula (X) in presence of a base in organic solvent or a mixture thereof; (h) converting (S)-alkyl 3-cyano-5-methyl-hexanoate of formula (VIII) to pregabalin of formula (I) by hydrolyzing ester group with suitable alkali or alkaline earth metal base followed by hydrogenation optionally in one pot in a solvent selected from water or other organic solvents or a mixture thereof in presence of a suitable hydrogenation catalyst.
    本发明提供了一种改进的制备化合物(I)的方法,包括以下步骤:式(I),(a)在适当溶剂中,将式(II)异戊醛和式(III)烷基氰乙酸酯在弱酸和弱碱盐或弱碱的存在下反应,得到式(IV)的2-基-5-甲基-己-2-烯酸烷基酯;(b)将式(IV)的2-基-5-甲基-己-2-烯酸烷基酯与适当的化物源在中或有机溶剂中或二者的混合物中反应,得到式(V)的2-异丁基琥珀酰腈;(c)通过在中或有机溶剂中或二者的混合物中的单步反应,将式(II)异戊醛和式(III)烷基氰乙酸酯在适当的化物源的存在下反应,可选地获得式(V)的2-异丁基琥珀酰腈;(d)通过在中或适当的pH和温度下,用一种基因改造的腈酶酶(Nit pt 9N_56_2)将式(V)的2-异丁基琥珀酰腈转化为外消旋3-基-5-甲基-己酸或其盐的式(VI);(e)通过在适当溶剂或其混合物中,在碱的存在下,用醇(R3OH)和酸性催化剂或烷基卤化物(R3X)处理,将式(VI)的外消旋3-基-5-甲基-己酸或其盐转化为式(VII)的外消旋烷基3-基-5-甲基-己酸酯;(f)通过在或有机溶剂或其混合物中,通过酶选择性立体选择性解,从式(VII)的外消旋烷基3-基-5-甲基-己酸酯获得(S)-烷基3-基-5-甲基-己酸酯的式(VIII)和(R)-3-基-5-甲基-己酸或其盐的式(X);(g)通过在有机溶剂或其混合物中,在碱的存在下,将不需要的(R)-3-基-5-甲基-己酸或其盐的式(X)或富集的(R)-3-基-5-甲基-己酸或其盐的式(X)外消旋化,可选地获得式(VII)的化合物;(h)通过在或其他有机溶剂或其混合物中,在适当的氢化催化剂的存在下,将(S)-烷基3-基-5-甲基-己酸酯转化为式(I)的前列酸,首先用适当的碱或碱土属碱解酯基,然后在一个锅中进行氢化。
  • [EN] METHOD FOR PREPARATION OF ENANTIOMERICALLY ENRICHED AND/OR RACEMIC GAMMA-AMINO ACIDS<br/>[FR] PROCÉDÉ DE PRÉPARATION D'ACIDES GAMMA-AMINO ÉNANTIOMÉRIQUEMENT ENRICHIS ET/OU RACÉMIQUES
    申请人:LUPIN LTD
    公开号:WO2011086565A1
    公开(公告)日:2011-07-21
    A process for preparation of enantiomerically enriched and/or racemic γ-amino acids, particularly those useful for preparing γ-amino acids that exhibit binding affinity to the human α2δ calcium channel subunit, including pregabalin and related compounds such as 3-n-propyl-4-aminobutyric acid.
    一种制备对映富集和/或外消旋γ-氨基酸的方法,特别是用于制备对人类α2δ通道亚单位具有结合亲和力的γ-氨基酸,包括pregabalin和相关化合物如3-正丙基-4-氨基丁酸
  • Novel asymmetric synthesis of (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid
    申请人:Kansal Kumar Vinod
    公开号:US20070197827A1
    公开(公告)日:2007-08-23
    The invention encompasses processes for the synthesis of (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid, (S)-Pregabalin, and intermediates of (S)-Pregabalin.
    这项发明涵盖了合成(S)-(+)-3-(甲基)-5-甲基己酸,(S)-普瑞巴林和(S)-普瑞巴林中间体的过程。
  • Chiral 3-carbamoylmethyl-5-methyl hexanoic acids, key intermediates for the synthesis of (S)-Pregabalin
    申请人:Kansal Kumar Vinod
    公开号:US20070191636A1
    公开(公告)日:2007-08-16
    The invention encompasses the synthesis of (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid, (S)-Pregabalin, via the intermediate, (3R)-5-methyl-3-(2-oxo-2[(1R)-1-phenylethyl]amino}ethyl)hexanoic acid.
    该发明涵盖了通过中间体(3R)-5-甲基-3-(2-氧代-2 [(1R)-1-苯乙基]基}乙基)己酸合成(S)-(+)-3-(甲基)-5-甲基己酸,即(S)-普瑞巴林
  • Novel asymmetric synthesis of (S)-(+)-3-(Aminomethyl)-5-methylhexanoic acid
    申请人:Kansal Vinod Kumar
    公开号:US20090062562A1
    公开(公告)日:2009-03-05
    The invention encompasses processes for the synthesis of (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid, (S)-Pregabalin, and intermediates of (S)-Pregabalin.
    该发明涵盖了合成(S)-(+)-3-(甲基)-5-甲基己酸,(S)-普瑞巴林和(S)-普瑞巴林中间体的过程。
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