2,3-Dihydro-1,3,4-thiadiazoles are synthesized by the reaction of hydrazonoyl halides with alkyl benzoylhydrazinecarbodithioates in ethanolic triethylamine whereas α-keto hydrazonoyl halides react with benzoylthiosemicarbazides to afford 5-arylazothiazoles.
References
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For Part XXIV see: AbdelhamidA. O. and MohammedG. S., Phosphorus, Sulfur, Silicon, 1999, in press.
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AbbassI. M., AbdallahM. A., MosselhiM. A. N., MohamedS. Z. and ShawaliA. S., J. Chem. Res., 1994, (S) 308; 1995, (S) 83; (M) 646.
