Method of increasing the reactivity of phosphorus pentasulfide

Details Method of increasing the reactivity of phosphorus pentasulfide Method of increasing the reactivity of phosphorus pentasulfide

1985-02-11

1987-07-21

Sutto, Anton H.

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

Organic compounds

Phosphorus esters

C07F 9165

Patent

active

046819649

ABSTRACT:
The alcoholysis and phenolysis of phosphorus pentasulfide is accelerated by reacting the phosphorus pentasulfide with an alcohol or phenol in the presence of a catalytic amount of a catalyst consisting essentially of water, phosphoric acid, a phosphate salt, sulfuric acid or mixtures thereof. The dialkyl- or diaryldithiophosphoric acids produced are useful in the production of such products as motor oil additives, insecticides, etc.

REFERENCES:
patent: 2534217 (1950-12-01), Bartleson
patent: 2553588 (1951-05-01), Hughes
patent: 3403201 (1968-09-01), Adrian et al.
patent: 3828084 (1974-08-01), Kaplan et al.
patent: 3848032 (1974-11-01), Le Suer et al.
patent: 4083899 (1978-04-01), Demarcq

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