Process for preparing a s-substituted phosphoro-chloridothiolate

Details Process for preparing a s-substituted phosphoro-chloridothiolate Process for preparing a s-substituted phosphoro-chloridothiolate

1988-01-15

1991-01-08

Shah, Mukund J.

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

Organic compounds

Phosphorus esters

C07F 902

Patent

active

049837494

ABSTRACT:
A process for preparing a S-substituted phosphorochloridothiolate having the formula: ##STR1## wherein R.sup.1 is a chlorine atom or an alkoxy or phenoxy group which may be substituted, and R.sup.2 is an alkyl, alkenyl, alkynyl, cycloalkyl or phenyl group which may be substituted, which comprises isomerizing an O-substituted phosphorochloridothionate having the formula: ##STR2## wherein R.sup.1 and R.sup.2 are as defined above, in the presence of a Lewis acid catalyst or a phosphorus compound catalyst.

REFERENCES:
patent: 4736050 (1988-04-01), Tsajii et al.
Nifantiev, "Chemistry of Phosphorus-Organic Compounds," Moscow Univ. Pub., (1971), pp. 174 and 209.
J. Org. Chem., vol. 41, No. 7, 1976, pp. 1291-1293.

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