Title:
【発明の名称】1,5―ベンゾチアゼピン類合成中間体の分割方法
Document Type and Number:
Japanese Patent JP2979237
Kind Code:
B2
Abstract:
A process for the resolution of amminoesters of the formula wherein R1 and R3 have the meanings reported in the specification, by tartaric acid and analogs thereof, is described. The compounds of formula IV-A are intermediates useful in the preparation of optically active 2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)ones.
Inventors:
DARIO TENTORIO
Application Number:
JP9914090A
Publication Date:
November 15, 1999
Filing Date:
April 13, 1990
Export Citation:
Assignee:
ZANBON GURUUPU SPA
International Classes:
C07C319/28; C07D281/10; C07C323/56; (IPC1-7): C07D281/10
Domestic Patent References:
| JP2190195A | ||||
| JP61145160A | ||||
| JP62205067A | ||||
| JP59225174A |
Attorney, Agent or Firm:
Takeo Ito