C=CC=C.C=C C1C=CCCC1 Diels-Alder
C=CC=C C1C=CC1 Electrocyclic_4e
C(=O)O[H].CO[H] C(=O)OC.O([H])[H] Esterification 1,2,3,5,6,4,7
C=C.BrBr C(CBr)Br Bromination
C=CC=C.C=C C1C=CCCC1 Diels-Alder
C=CC=C C1C=CC1 Electrocyclic_4e
C(=O)O[H].CO[H] C(=O)OC.O([H])[H] Esterification 1,2,3,5,6,4,7
C=C.BrBr C(CBr)Br Bromination