Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
【発明の名称】ホリニン酸の立体異性体を分離する方法
Document Type and Number:
Japanese Patent JP3162073
Kind Code:
B2
Abstract:
The (6S &cir& _) stereoisomer of folinic acid is obtained in high optical purity by salification of (R, S) folinic acid with di- or polyamines and subsequent selective crystallization of the desired diastereomeric salt.

Inventors:
Lipaziorgio
Piva rodolfo
Felder Ernst
Application Number:
JP51450793A
Publication Date:
April 25, 2001
Filing Date:
February 16, 1993
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Bracco Esse Pierre
International Classes:
C07B57/00; C07D475/04; C07D241/04; (IPC1-7): C07D475/04
Domestic Patent References:
JP2178284A
Attorney, Agent or Firm:
Ichiro Sugawara



 
Previous Patent: 加湿システム

Next Patent: GHOST ELIMINATING DEVICE