Reactions of α-Polyhalo Ketone Tosylhydrazones with Sulfide Ion and Primary Amines. Cyclization to 1,2,3-Thiadiazoles and 1,2,3-Triazoles

DOI: 10.1246/bcsj.59.179

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Bulletin of the Chemical Society of Japan p. 179 - 184 (1986)

Update date:2022-08-05

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Authors:

Sakai, Kunikazu

Hida, Nobuko

Kondo, Kiyosi

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Article abstract of DOI:10.1246/bcsj.59.179

Trichloroacetaldehyde tosylhydrazone acts as an excellent precursor of diazodithioacetate which is generated by treatment of the hydrazone with sulfide ion.This spontaneously cyclizes it to 5-mercapto-1,2,3-thiadiazole.The precursor also gives a 5-amino-1

Full text of DOI:10.1246/bcsj.59.179

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