Chemodivergent mechanosynthesis of cyclopentenyl and pyrrolinyl spirobarbiturates from unsaturated barbiturates and enamino esters
CHEMICAL COMMUNICATIONS(2024)
摘要
A novel and interesting controllable spirocyclization of unsaturated barbiturates with enamino esters for the assembly of cyclopentenyl and pyrrolinyl spirobarbiturates has been developed under ball-milling conditions. The present protocol features high chemoselectivity and efficiency, excellent functional group tolerance and mild reaction conditions. A controllable spirocyclization of unsaturated barbiturates with enamines to selectively synthesize spirobarbiturates has been developed under ball-milling conditions.
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