Preparation of thiolactams

Details Preparation of thiolactams Preparation of thiolactams

1990-03-01

1990-09-11

Springer, David B.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540538, 546243, C07D20102, C07D207267, C07D21176, C07D22302

Patent

active

049564765

ABSTRACT:
The reaction of lactams (preferably N-methyl-2-pyrrolidone) with hydrogen sulfide to thiolactams (preferably N-methyl-2-thiopyrrolidone) is conducted in the presence of a catalyst consisting essentially of alumina.

REFERENCES:
patent: 3306910 (1967-02-01), Louthan
patent: 3397210 (1968-08-01), Michalowicz
patent: 4145352 (1979-03-01), Kubiuk

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