Abstract
Synthesis of 5-(4,6-diphenyl-2-pyrimidinyl)-1,3,4-oxa(thia)diazoles and corresponding 1,2,4-triazoles from 4,6-diphenyl-2-pyrimidinecarboxylic acid hydrazide and 1-(4,6-diphenyl-2-pyrimidinylcarbonyl)-4-phenylthiosemi-carbazide is described.
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