Title:
【発明の名称】光学活性γ―ブチロラクトン誘導体の製造方法
Document Type and Number:
Japanese Patent JP2796884
Kind Code:
B2
Abstract:
A process for producing an optically active gamma -butyro lactone derivative (II): wherein R<1> is C1-10 alkyl or substituted or unsubstituted phenyl comprises enantioselectively hydrogenating a gamma -keto acid or an ester thereof (I): wherein R<2> is hydrogen atom or lower alkyl, in the presence of an optically active ruthenium-phosphine complex. The compounds (I) can be obtained at high optical purity through simple operations and a reduced number of steps, and are useful as insect pheromones or perfumes.
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Inventors:
NOYORI RYOJI
KITAMURA MASAHITO
OOKUMA TAKESHI
SAYO NOBORU
KUMOBAYASHI HIDENORI
KITAMURA MASAHITO
OOKUMA TAKESHI
SAYO NOBORU
KUMOBAYASHI HIDENORI
Application Number:
JP22895790A
Publication Date:
September 10, 1998
Filing Date:
August 30, 1990
Export Citation:
Assignee:
TAKASAGO KORYO KOGYO KK
International Classes:
C07D307/33; B01J31/24; C07B53/00; C07B61/00; C07D315/00; (IPC1-7): C07D307/33; B01J31/24
Domestic Patent References:
| JP588073A | ||||
| JP6425771A | ||||
| JP2207081A |
Other References:
Ｊ．Ａｍ．Ｃｈｅｍ．Ｓｏｃ．，１０９（１９），（１９８７），Ｐ．５８５６−８
Ｊ．Ａｍ．Ｃｈｅｍ．Ｓｏｃ．，１１０（２），（１９８８），Ｐ．６２９−３１
Ｊ．Ａｍ．Ｃｈｅｍ．Ｓｏｃ．，１１０（２），（１９８８），Ｐ．６２９−３１
Attorney, Agent or Firm:
Miyuki Ariga (2 outside)