Tailor-made synthesis of various backbone-substituted imidazolinium salts by triflic anhydride mediated intramolecular cyclisation
作者:Jun Zhang、Xiaolong Su、Jun Fu、Xinke Qin、Meixin Zhao、Min Shi
DOI:10.1039/c2cc34952c
日期:——
We have found a Tf2O-mediated intramolecular cyclization reaction and have revealed an intriguing stereoselectivity and a regioselectivity during the preparation of intermediate alcohols, which allow for the tailor-made synthesis of various backbone-substituted imidazolinium salts, and structurally specific syn-4,5-disubstituted imidazolinium salts.