1431152-42-9Relevant articles and documents
Formal [4+1] cycloaddition of camphor-derived sulfonium salts with aldimines: Enantioselective synthesis of 2,3-dihydrobenzofurans
Cheng, Ying,Hu, Xiao-Qiang,Gao, Shuang,Lu, Liang-Qiu,Chen, Jia-Rong,Xiao, Wen-Jing
, p. 3810 - 3816 (2013/06/27)
An asymmetric formal [4+1] cycloaddition of camphor-derived sulfonium salts with aldimines has been described. The reaction allows for the efficient synthesis of trans-2,3-disubstituted-2,3-dihydrobenzofurans in moderate to good yields with >95:5 dr and u