Diene (generic) Polyene (generic) Triene (generic) 1 Reaction utilises: Polyene (generic)   Electronically neutral generic. Polyene (generic) is defined with respect to the entities below: The entities below are defined with respect to: Polyene (generic) pi-HOMO Lewis base (generic) pi-LUMO Lewis acid (generic) Azoniaanthracene ion 1,3-Butadiene, s-cis 1,3-Butadiene, s-trans Butadiene, 1,3-methoxy Chloroprene 1,3-Cyclohexadiene ((1-Cyclohexenyl)methylidene)propanedinitrile Cyclopentadiene 2,4-Cyclopentadienone Diene HOMO (generic) Diene LUMO (generic) 2,3-Dimethyl-1,3-butadiene cis-5,6-Dimethyl-1,3-cyclohexadiene trans-5,6-Dimethyl-1,3-cyclohexadiene (2E, 4E)-Hexadiene (2E, 4Z)-Hexadiene 1,3,5-Hexatriene Isoprene Methyl 2,7,9-undecatrienoate 1,3,5,7-Octatetrene (2E, 4Z, 6E)-Octatriene (2E, 4Z, 6Z)-Octatriene alpha-Terpene 5,5,6,6-Tetracyano-5,5a,6,7-tetrahydrophenanthrene chemical compound molecule metal molecular science reaction mechanism ionic material acid base geometry reactivity synthesis science knowledge chemistry Lewis