Preparation of thioamides from amides

Details Preparation of thioamides from amides Preparation of thioamides from amides

1977-09-30

1979-03-20

Rollins, Alton D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260239A, 2602393A, 546216, 546243, 260551S, C07C153057, C07C153063, C07D20506, C07D20724

Patent

active

041453522

ABSTRACT:
A method for preparing thioamides from amides by contacting an amide with a source of sulfur in the presence of a sulfactive catalyst. In a preferred embodiment the sulfactive catalysts are molybdenum or tungsten and the reactants are contacted at an elevated temperature below 800.degree. F. (427.degree. C.).

REFERENCES:
patent: 2539325 (1951-01-01), Prochazka
patent: 3192210 (1965-06-01), Lunsford et al.
patent: 3306910 (1967-02-01), Louthan
patent: 3306911 (1967-02-01), Doss
patent: 3338913 (1967-08-01), Yates
patent: 4000159 (1976-12-01), Scoggins et al.
Eilingsfeld et al., Chem. Abstracts, vol. 59, col. 15215-15216.

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