A series of carbene-chromium complexes bearing a phenyl substituent and an alkoxy-alkyne substituent have been prepared by acetoxy replacement. Intramolecular cycloaddition with carbon monoxide insertion occurs to provide naphthohydroquinones in good yield.
通过乙酰氧基取代已经制备了一系列带有苯基取代基和烷氧基-炔基取代基的卡宾-
铬配合物。发生具有
一氧化碳插入的分子内环加成,以良好的产率提供
萘氢醌。