Bredt's Rule Kinetically Stabilized Nitrogen-Centered Radical Cations and Radicals in the 9-Azabicyclononyl System

Article abstract of DOI:10.1021/ja00522a044

Derivatives of 9-azabicyclo<3.3.1>nonane (9-ABN) where the substituent at N₉ is CR3, NR2, OR, Cl, NMe3⁺, and carbonyl, and of doubly bonded immonium salts (9-ABN=Y)⁺, where Y = CRR', NR', and O, were studied, along with 9-