Thioformamide improved process

Details Thioformamide improved process Thioformamide improved process

1974-09-23

1976-09-07

Wyman, Daniel E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C153057

Patent

active

039794520

ABSTRACT:
Thioformamide is prepared from hydrogen cyanide and hydrogen sulfide in an improved process employing a tertiary amino ion exchange resin as the catalyst. The process provides for nearly quantitative yields, and affords a purer, more stable product, and the elimination of polluting by-products.

REFERENCES:
patent: 3274243 (1966-09-01), Gilbert et al.
patent: 3336381 (1967-08-01), Gilbert et al.
patent: 3346632 (1967-10-01), Tull et al.
Helfferich, Ion Exchange, pp. 47-58 (1962).

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