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Reactions of Sodium Cyanodithioformate with Monosubstituted Hydrazines

✍ Scribed by Drexler, Kerstin ;Dehne, Heinz ;Reinke, Helmut ;Michalik, Manfred

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
306 KB
Volume
1997
Category
Article
ISSN
0947-3440

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✦ Synopsis

Abstract

Sodium cyanodithioformate (1) reacts with methylhydrazine (2) only in the presence of H~2~S to give the new, zwitterionic thiooxamic acid 1‐(2‐methylhydrazide) 2‐(2‐methylhydrazone) (3) in good yield. The reaction of 1 with phenylhydrazine (5) gives a mixture of the zwitterionic thiooxamic acid 1‐(2‐phenylhydrazide) 2‐(2‐phenylhydrazone) (6b) and the non‐zwitterionic glyoxylamide bis(phenylhydrazone) (7). The mechanism of the formation of 3 and 6b is discussed. X‐ray structural data of 3 and 6b are given.

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