Separation of enantiomers of octahydroisoquinoline

Details Separation of enantiomers of octahydroisoquinoline Separation of enantiomers of octahydroisoquinoline

1998-09-02

2000-05-16

Kight, John

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D21720

Patent

active

060639253

ABSTRACT:
This invention describes a process for the isolation of (-)1-(p-methoxybenzyl)-1,2,3,4,5,6,7,8-octahydroisoquinoline from a racemic mixture, which involves treating partially resolved mixtures with a formic acid to form a nearly-racemic salt for further resolution.

REFERENCES:
Chemical Abstracts, vol. 88, No. 1, Jan. 2, 1978, abstract No. 6751j, p. 573.
A. Brossi et al.: "Hydroxy-morphinane Versuche zur Racemisierung Optisch Aktiver 1-(p-hydroxybenzyl)-1,2,3,4,5,6,7,8-oxtahydro-isochinoline"--Helvetica Chimica Acta., vol. 39, 1956, pp. 1376-1386, XP002085621; pp. 1376, 1377, 1381.

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