Department of Applied Chemistry, National University of Kaohsiung, Kaohsiung 811, Taiwan
Abstract:
Synthesis of 2-(2-substituted-ethylidene)-3,3-diphenylpyrrolidines has been established starting from different 4-substituted-4-aryl-5,5-diphenylazepan-4-ols via boron trifluoride etherate-mediated rearrangement.