SEARCH Articles Figures Tables Alkene addition reactions forming carbocation intermediates Alkene metathesis intermediate alkylidene Alkene metathesis intermediate carbene complex Alkene oligomerization intermediates Alkenes allyl intermediates Alkenes carbocation intermediates Alkenes nucleophilic additions, carbanion intermediates Alkenes, addition reactions carbocation intermediate Carbocation intermediate addition reactions with alkenes Carbocations as intermediates in reactions of alkenes Peroxyacids, reaction with alkenes, intermediate