Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD OF SEPARATING OPTICAL ISOMERS
Document Type and Number:
WIPO Patent Application WO/1999/021811
Kind Code:
A1
Abstract:
A method of separating optical isomers which permits optical resolution of compounds which have been incapable of satisfactory optical resolution under the conventional reversed-phase conditions. Specifically a method of separating optical isomers by liquid chromatography using a separating agent containing a polysaccharide derivative as the effective component, characterized by the use of a basic mobile phase under reversed-phase conditions.

Inventors:
Inoue, Keizo (1903-3, Yokohama Aboshi-ku Himeji-shi Hyogo, 671-1254, JP)
Application Number:
PCT/JP1998/004696
Publication Date:
May 06, 1999
Filing Date:
October 16, 1998
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
DAICEL CHEMICAL INDUSTRIES, LTD. (1 Teppo-cho Sakai-shi Osaka, 590-0905, JP)
Inoue, Keizo (1903-3, Yokohama Aboshi-ku Himeji-shi Hyogo, 671-1254, JP)
International Classes:
C07D209/08; C07B57/00; C07C213/10; C07C217/30; (IPC1-7): C07B57/00
Foreign References:
JPH09194399A
JPH0585947A
JPH0327326A
Other References:
See also references of EP 0970935A1
Attorney, Agent or Firm:
Furuya, Kaoru (Nihonbashi TM Building 1-8-11, Nihonbashi-Horidomecho Chuo-ku Tokyo, 103-0012, JP)
Download PDF: