摘 要: | Starting from 1H-pyrrole, unreported 3, 4-dihydropyrrolo2, 1-c]1, 4]oxazin-1-one 4, 7-(4-chlorobenzoyl)-3, 4-dihydropyrrolo2, 1-c]1, 4]oxazin-1-one 5 and 7-benzoyl-3, 4-dihydro-pyrrolo 2, 1-c]1, 4]oxazin-1-one 9 were designed and synthesized. They may have antipyretic and analgesic activities.
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