Process for preparing cyclopropane carboxylic acids

Details Process for preparing cyclopropane carboxylic acids Process for preparing cyclopropane carboxylic acids

1979-07-10

1980-11-25

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

562506, C07C 69747, C07C 6116

Patent

active

042360188

ABSTRACT:
1-Cyano-3-[2',2'-(dihalogeno and/or trifluoromethyl)vinyl]-2,2-dimethylcyclopropanes are converted into the corresponding 1-amides and 1-carboxylic acids by reaction with sulphuric acid and water, or into the corresponding 1-carboxylic acid esters by reaction with sulphuric acid, water and a lower alkanol. High yields are obtained.

REFERENCES:
patent: 2433500 (1947-12-01), Wood
patent: 2466679 (1949-04-01), Bruson et al.
patent: 2815362 (1957-12-01), Harper
patent: 3277171 (1966-10-01), Hopkins
patent: 3567749 (1971-03-01), Neugebauer et al.
C.F.H. Allen et al., Canadian Journal of Research 9:159-168, (1933).

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