Process for the preparation of sulfur ylide intermediates of ins

Details Process for the preparation of sulfur ylide intermediates of ins Process for the preparation of sulfur ylide intermediates of ins

1981-02-12

1982-11-16

Trousof, Natalie

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

560 8, C07D33346

Patent

active

043595804

ABSTRACT:
The invention is an improved process for the preparation of lower alkyl esters of tetrahydrothiophenium carboxymethylide intermediates of insecticidal pyrethroids, and to insecticidal prethroids derived from said ylides.

REFERENCES:
patent: 4083863 (1978-04-01), Brand
Payne, George B. J. Org. Chemistry, vol. 32, pp. 3351-3355 (1970).
Lowe, P. A. Chemistry and Industry, pp. 1070 and 1076 (1970).

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