Abstract
Arylidene 2,5-dimethylacetophenones (1) reacted with thiourea and hydrogen peroxide to give pyrimidinethione (2) and oxirane derivatives (7), respectively. The behaviour of pyrimidinethione (2) towards hydrazine, acetylhydrazines, secondary amines under Michael reaction conditions, and phenylisocyanate has been investigated. The reaction of oxirane derivative (7) with aqueous sodium hydroxide, glacial acetic acid and p-xylene under Friedel Crafts reaction conditions is also described
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