A novel stereoselective and convergent catalytic method for the cyclopropanation of electron-neutral and -rich olefins by sulfonium ylides is reported which unusually proceeds through olefin activation rather than by metal carbene formation.
本文报道了一种新颖的立体选择性聚合催化方法,用于通过锍酰化物对电子中性烯烃和富电子烯烃进行环丙基化,该方法通过烯烃活化而非
金属炔形成进行反应,这是非常规的。