Reactions of Sodium Cyanodithioformate with Monosubstituted Hydrazines | Zendy

Drexler Kerstin | Zendy; Dehne Heinz | Zendy; Reinke Helmut | Zendy; Michalik Manfred | Zendy

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Reactions of Sodium Cyanodithioformate with Monosubstituted Hydrazines

Author(s) -

Drexler Kerstin,

Dehne Heinz,

Reinke Helmut,

Michalik Manfred

Publication year - 1996

Publication title -

liebigs annalen

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.825

H-Index - 155

eISSN - 1099-0690

pISSN - 0947-3440

DOI - 10.1002/jlac.199719970138

Subject(s) - chemistry , phenylhydrazine , methylhydrazine , yield (engineering) , medicinal chemistry , sodium , organic chemistry , materials science , metallurgy

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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