Photochemistry of 2-(3,4,5-Trimethoxyphenyl)-4-(3,4-methylenedioxyphenyl)-4-oxo-2-butenonitrile (β-Cyanochalchone) and Its Related Compounds

Article abstract of DOI:10.1016/S0040-4020(01)85506-X

Photochemistry of the titled compounds both iin solid state and in solution is described.The (Z)-isomers of β-substituted chalchones (5,8 and 9) mainly dimerized into topochemically favored single cyclobutane dimers (10,14 and 13) in solid state photoreac