Process for the production of thiosemicarbazide

Details Process for the production of thiosemicarbazide Process for the production of thiosemicarbazide

1983-02-01

1987-12-29

Warren, Charles F.

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

Organic compounds

Amino nitrogen containing

423366, C07C15900, C01B 21093, C01C 320

Patent

active

047162473

ABSTRACT:
To produce thiosemicarbazide hydrazine is reacted with hydrogen cyanide and sulfur to form hydrazine thiocyanate, and this is then converted into the thiosemicarbazide at an elevated temperature. Advantageously, the reaction is carried out in a polar solvent.

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patent: 4256661 (1981-03-01), Barton et al.
Richter, Textbook of Organic Chemistry, p. 265, Wiley & Sons, Inc. N.Y. (1938).
Kleemann et al., European Patent 0 085 887, Aug. 1983.

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