Synthesis and reaction of unsymmetrical tetraarylbismuthonium salts. First isolation of bismuthonium salts bearing all different aryl groups

Article abstract of DOI:10.1246/cl.1998.127

Successive treatment of triarylbismuth difluorides (1) with a Lewis acid, Me₃SiCN, and aryltributylstannanes (2) in CH₂Cl₂ gives unsymmetrical tetraarylbismuthonium salts (3) in moderate to good yield. The migratory aptitu