aluminum chloride the β-ethylthionitroolefin results in the formation of the thienium cation, which reacts with a variety of 1,3-dienes in the Diels-Alder sense. The cleavage of the resulting ring provides in one pot the 1,4-functionalized olefins in regio- and stereoselective manner.
在
氯化铝的影响下,β-乙基
硫代硝基烯烃导致形成ie阳离子,该Di阳离子与Diels-Alder意义上的各种1,3-二烯反应。所得环的裂解在一锅中以区域和立体选择性的方式提供了1,4-官能化的烯烃。