Process for resolution of racemates of 2,2-dimethylcyclopropanec

Details Process for resolution of racemates of 2,2-dimethylcyclopropanec Process for resolution of racemates of 2,2-dimethylcyclopropanec

1991-08-27

1992-11-24

Dees, Jose G.

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

Organic compounds

Carboxylic acids and salts thereof

562402, 562506, 564359, C07B 5700

Patent

active

051664178

ABSTRACT:
The enantiomers of 2,2-dimethylcyclopropanecarboxylic acid are separated by salt formation with optically active 1-(3-methoxyphenyl)-ethylamine, fractional crystallization of the diastereomeric salts and subsequent decomposition of the salts with a strong acid.

REFERENCES:
patent: 2388688 (1945-11-01), Hass
patent: 3666798 (1972-05-01), Matsui et al.
patent: 4487956 (1984-12-01), Suzukamo et al.
patent: 4683089 (1987-07-01), Leigh
patent: 4780252 (1988-10-01), Leigh
Chemical Abstract, 99:104949b, (1983).

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