Stereospecific cis- and trans-vinylic phosphorus esters

Details Stereospecific cis- and trans-vinylic phosphorus esters Stereospecific cis- and trans-vinylic phosphorus esters

1977-04-06

1978-09-19

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

260941, 260971, 260989, 424219, C07F 9165, A01N 936

Patent

active

041154827

ABSTRACT:
Vinylic thiophosphorus acid esters of either cis- or trans-configuration can be synthesized in a stereospecific reaction of a cis- and a trans-vinylic metal compound with diorgano phosphoryl disulfide and a diorgano phosphoryl sulfenyl halide, respectively, and the product can be isomerized to the thermodynamically more stable mixture of isomers by free radical and ionic catalysts. The new cis- and/or trans-vinylic thiophosphorus esters are mainly useful in the field of plant and animal pesticides.

REFERENCES:
patent: 3021352 (1962-02-01), Miller
patent: 3068271 (1962-12-01), Tieman

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