Trihalocyclopropyl carbonates

Details Trihalocyclopropyl carbonates Trihalocyclopropyl carbonates

1980-03-25

1981-08-25

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260456R, 260941, 260960, 560124, 562506, 568591, C07C 6996

Patent

active

042858828

ABSTRACT:
When the reaction of aldehydes with alkali metal trihaloacetates is carried out in the presence of a highly polar aprotic solvent (DMF, DMSO), novel organic alkali metal carbonates, which are precursors of pyrethroid insecticides, are formed in high yields and at a high rate. Novel sulfonates and dihalophosphites, derived from these carbonates have also been claimed.

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patent: 3864376 (1975-02-01), Henrick et al.
patent: 4024163 (1977-05-01), Elliott et al.
patent: 4222964 (1980-09-01), Van Berkel et al.
Chem. Abstracts, Ninth Collective Index (1976) pp. 15229gs and 28451cs.
A. Winston et al., J. Org. Chem., 32, 2166-2171 (1967).
M. Shostakovskie et al., Bull. Acad. Sci. USSR. Div. of Chem. Soc., 11, 2462-2464 (1975).
Houben-Weyl, Meth. Org. Chem. XII /2, 14-15 (1964).
J. Farkas et al., Collection Czechoslov. Chem. Commun., vol. 24 (1959), pp. 2230-2236. Relation Between Chemical Structure and Insecticidal activity in Pyrethroid Compounds I. An Analogue of Chrysanthenic Acid Containing Chlorine in the Side Chain.

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