名称:
Unsaturated heterocyclic systems. LXXXIX. Reactivity of bicyclo [4.2.2] deca-2,4,7,9-tetraene derivatives under conditions of uniparticulate electrophilic addition. Intramolecular capture of zwitterionic bridged 1,4-bishomotropylium (bicyclo [4.3.1] deca-2,4,7-trienyl) intermediates