palladium-catalyzed reaction of (hetero)aryl bromides, chlorides, and nonaflates with α-allyl-β-ketoesters provides ready efficient access to functionalized 2,3-dihydrofurans. The reaction tolerates several useful substituents including chloro, fluoro, ether, ketone, ester, cyano, and nitro groups.
钯催化的(杂)芳基
溴化物,
氯化物和
壬二酸酯与α-烯丙基-β-
酮酸酯的反应提供了对官能化的
2,3-二氢呋喃的便捷有效通道。该反应可耐受几个有用的取代基,包括
氯,
氟,醚,酮,酯,
氰基和硝基。