Process for the optical resolution of pyranobenzoxadiazole compo

Details Process for the optical resolution of pyranobenzoxadiazole compo Process for the optical resolution of pyranobenzoxadiazole compo

1990-07-12

1992-03-17

Gerstl, Robert

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D49804

Patent

active

050970372

ABSTRACT:
A process for the optical resolution of a pyranobenzoxadiazole compound represented by the formula [(.+-.)I]: ##STR1## which comprises reacting the compound [(.+-.)I] with an optically active carboxylic acid represented by the formula [II]: ##STR2## and separating the diastereomeric salt thus formed is disclosed.

REFERENCES:
patent: 4900752 (1990-02-01), Seto
Ashwood, J. Med. Chem. 29 2194 (1986).

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