excellent yields by the palladium-catalyzed cyclocarbonylation-decarboxylation of diethyl(2-iodoaryl)malonates with vinyl ketones and carbon monoxide. The reaction may proceed via the formation of a keto-diester, followed by oxidative addition, CO insertion, intramolecular cyclization, and decarboxylation to give the enolic substituted 2-acyldihydronaphthalenones.
通过
钯催化的
二乙基(2-
碘代芳基)
丙二酸酯与
乙烯基的
钯催化环羰基化-脱羧反应,以中等至优异的收率获得了各种官能化的2-酰基-3,4-二氢
萘-1(2 H)-的烯醇式互变异构体。酮和
一氧化碳。该反应可以通过形成酮-二酯,然后进行氧化加成,CO插入,分子内环化和脱羧而进行,以得到烯丙基取代的2-酰基二氢
萘烯酮。