3-azabicyclo[4.1.0]heptanes in excellent yields and with high diastereoselectivities. These reactions constitute the first examples of intramolecular cyclopropanation of an alkene by a gold carbene generated by electrophilic ring opening of a cyclopropene in the presence of gold(I) chloride.
烯丙基
3,3-二甲基环丙烯基羰基醚或磺酰胺经历
金催化的环异构化,从而以优异的收率和高的非对映选择性生成5-异亚丙基-3-氧杂-和3-氮杂
双环[4.1.0]庚烷。这些反应构成了在
氯化金(I)存在下通过环
丙烯的亲电开环产生的
金卡宾对烯烃进行分子内
环丙烷化的第一个实例。