33861-07-3Relevant academic research and scientific papers
Enantioselective Radical-Polar Crossover Reactions of Indanonecarboxamides with Alkenes
Cao, Weidi,Feng, Xiaoming,Liu, Xiaohua,Wu, Wangbin,Xu, Xi,Yu, Han,Zhang, Xiying
, p. 4846 - 4850 (2020)
Highly efficient asymmetric intermolecular radical-polar crossover reactions were realized by combining a chiral N,N′-dioxide/NiII complex catalyst with Ag2O under mild reaction conditions. Various terminal alkenes and indanonecarboxamides/esters underwent radical addition/cyclization reactions to afford spiro-iminolactones and spirolactones with good to excellent yields (up to 99 %) and enantioselectivities (up to 97 % ee). Furthermore, a range of different radical-mediated oxidation/elimination or epoxide ring-opening products were obtained under mild reaction conditions. The Lewis acid catalysts exhibited excellent performance and precluded the strong background reaction.
Metal-free Mizoroki-Heck type reaction: A radical oxidative coupling reaction of 2-chloro-dithiane with substituted olefins
Du, Wenbin,Lai, Junshan,Tian, Lixia,Xie, Xingang,She, Xuegong,Tang, Shouchu
supporting information, p. 14017 - 14020 (2015/01/16)
An efficient metal-free Mizoroki-Heck type reaction of di- and tri-substituted alkenes with 2-chloro-dithiane has been developed under ambient pressure of air or using a relatively low loading of BF3·Et2O. This study represents a new environmentally friendly method for the syntheses of dithianyl-substituted alkene derivatives via a radical oxidative coupling process.
