The reaction of arylvinyl alkoxides with chloro(aryl)carbenes provided the corresponding arylvinyl epoxides that underwent Nazarov cyclization in a catalytic amount of scandium triflate, providing easy access to several highly substituted indenes, including some resveratrol-derived natural products.
芳基
乙烯基醇盐与
氯(芳基)卡宾的反应提供了相应的芳基
乙烯基环氧化物,它们在催化量的
三氟甲磺酸scan中经历了纳扎罗夫环化,可轻松获得数个高度取代的
茚基,包括一些
白藜芦醇衍生的
天然产物。