sp3-sp2 C-C Bond Formation via Brønsted Acid Trifluoromethanesulfonic Acid-Catalyzed Direct Coupling Reaction of Alcohols and Alkenes
作者:Hui-Lan Yue、Wei Wei、Ming-Ming Li、Yong-Rong Yang、Jian-Xin Ji
DOI:10.1002/adsc.201100262
日期:2011.11
A novel and efficient trifluoromethanesulfonic acid-catalyzed sp3-sp2 CC bond formation reaction through the direct coupling of alcohols with alkenes has been realized under mild conditions. The present protocol provides an attractive approach to a diverse range of polysubstituted olefins in good to excellent yields with high stereo- and regioselectivities.
Relative reactivities of alkenes toward the diphenylmethyl cation
作者:Herbert Mayr、Rudolf Pock
DOI:10.1016/s0040-4039(00)81869-9
日期:——
The relative reactivities of alkyl and phenyl substituted alkenestoward diphenylmethyl chloride/ZnCl2/Et2O in dichloromethane at −78°C have been determined by competition experiments. The transition state structure is discussed.
通过竞争实验确定了烷基和苯基取代的烯烃在二氯甲烷中于-78℃下对二苯基甲基氯/ ZnCl 2 / Et 2 O的相对反应性。讨论了过渡状态结构。