SEARCH Articles Figures Tables 1.5- Dienes phosphonium ylide alkylation Alkyl derivatives dienes Alkyl halides acids + dienes Alkyl halides dienes Alkyl halides halogens + dienes Alkyl-diene complex Diene coupling alkyl-substitution Dienes arene alkylation Dienes intramolecular alkyl-substituted diene Photoreaction of tropolone alkyl ether, cycloocta-2,4-dien-l-one and pyridone