Lactones of 2,2-dimethyl-cyclopropane-1-carboxylic acids

Details Lactones of 2,2-dimethyl-cyclopropane-1-carboxylic acids Lactones of 2,2-dimethyl-cyclopropane-1-carboxylic acids

1978-06-12

1979-08-28

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

562506, C07D30793

Patent

active

041660633

ABSTRACT:
Novel lactones of 2,2-dimethyl-cyclopropane-1-carboxylic acids of the formula ##STR1## wherein X.sub.1, X.sub.2 and X.sub.3 when identical are selected from the group consisting of chlorine and bromine and when at least two are different, are selected from the group consisting of fluorine, chlorine and bromine and a novel process for their preparation and a process for the preparation of cis 2,2-dimethyl-cyclopropane-1-carboxylic acids of the formula ##STR2##

REFERENCES:
patent: 3723469 (1973-03-01), Martel
Servin et al., Tetrahedron Letters, No. 43, pp. 3915-3918, 1976.
Martel, Chem. Abstracts, vol. 72, 1970, 100136d, 121078b.

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