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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 (JP)
Application Number:
PCT/JP1998/004696
Publication Date:
May 06, 1999
Filing Date:
October 16, 1998
Export Citation:
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Assignee:
DAICEL CHEM (JP)
INOUE KEIZO (JP)
International Classes:
C07D209/08; C07B57/00; C07C213/10; C07C217/30; (IPC1-7): C07B57/00
Foreign References:
JPH09194399A1997-07-29
JPH0585947A1993-04-06
JPH0327326A1991-02-05
Other References:
See also references of EP 0970935A4
Attorney, Agent or Firm:
Furuya, Kaoru (Nihonbashi-Horidomecho Chuo-ku Tokyo, JP)
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