SILICON-ASSISTED SYNTHESIS OF BRIDGED AZABICYCLIC SYSTEMS VIA N-ACILIMINIUM INTERMEDIATES

Article abstract of DOI:10.1016/S0040-4020(01)90113-9

Intramolecular acid-mediated reactions of 2-propynyl- and allylsilanes with five- and six-membered cyclic N-acyliminium ion precursors lead to bridged azabicyclic compounds (Table I).Neat formic acid is the reaction medium of choice in most cases.The cycl