Process for the preparation of dialkyldithiocarbamates of multiv

Details Process for the preparation of dialkyldithiocarbamates of multiv Process for the preparation of dialkyldithiocarbamates of multiv

1988-04-22

1989-08-22

Ford, John M.

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

Organic compounds

Esters having the thiocarboxylate group, -cx-, wherein the...

C07C15506

Patent

active

048597872

ABSTRACT:
A direct method of preparing dialkyl-dithiocarbamates of multivalent metals by reacting the oxide of a multivalent metal with a secondary amine and carbon disulfide while simultaneously heating to 50.degree.-95.degree. C. and removing the so-formed water of the reaction.
Suitable metal oxides are preferably lead oxide, zinc oxide, copper(II)oxide, iron(III)oxide, nickel(III)oxide, antimony(III)oxide and manganese dioxide. The reaction is preferably conducted in a solvent for the metal-dialkyl-dithiocarbamate which forms an azeotrope with water in order to remove the water of the reaction with the solvent.

REFERENCES:
patent: 4645661 (1987-02-01), Schonbaum

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