Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1981-03-30
1985-04-23
Shippen, Michael L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
C07C 69743
Patent
active
045131473
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-dimethylcyclopropane-1-carboxylic acids of the formula ##STR2##
REFERENCES:
patent: 4254282 (1981-03-01), Kondo
March, "Advanced Organic Chemistry & Reactions, Mechanisms and Structure," pp. 771-772, (1968).
Demoute Jean-Pierre
Jolly Jean
Martel Jacques
Tessier Jean
Muserlian Charles A.
Roussel Uclaf
Shippen Michael L.
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