PtCl2-catalyzed cycloisomerization of 1,6-enynes containing a heteroatom substituent at the propargylic position is described. The reactions led to the formation of 1-alkenylbicyclo[3.1.0]hexanes in good to excellent yields or 2-(bicyclo[3.1.0]hex-1-yl)acetaldehydes in moderate yields.
描述了温和且有效的PtCl 2催化的在炔丙基位置含有杂原子取代基的1,6-烯炔的环异构化。反应导致以良好的产率至优异的产率形成1-烯基
双环[3.1.0]己烷或以中等的产率形成2-(双环[3.1.0]己-1-基)
乙醛。