Process for the production of thiocarbohydrazide

Details Process for the production of thiocarbohydrazide Process for the production of thiocarbohydrazide

1989-03-17

1990-07-10

Raymond, Richard L.

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

Organic compounds

Amino nitrogen containing

C07C33706

Patent

active

049408151

ABSTRACT:
TCH is produced in two stages. In the first stage, carbon disulfide and excess hydrazine are reacted in the presence of a mercaptan and optionally a strong base or an amine other than hydrazine. Carbon disulfide and a strong base (if none was present during the first stage) are then added to the reaction mixture which is further reacted to complete the formation of TCH.

REFERENCES:
patent: 2726263 (1955-12-01), Audrieth et al.
patent: 3198698 (1965-08-01), Reuter et al.
patent: 4172092 (1979-10-01), Malone
patent: 4294985 (1981-10-01), Cramm et al.

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