The synthesis of 1-(1-phenyl-1H-tetrazole-5-ylthiol)-acetyl-4-aroyl- thiosemicarbazides and 2-aroylamino-5-(1-phenyl-1H-tetrazole-5-ylthiolmethylene) - 1,3,4-thiadiazoles

Article abstract of DOI:10.1080/10426500500366434

A series of 1-(1-phenyl-1H-tetrazole-5-ylthiol)acetyl-4- aroylthiosemicarbazides were synthesized in good to excellent yields under phase transfer catalytic conditions. By the cyclization of compounds 3a-i in concentrated H₂SO₂ at 0°