Preparative Organic Chemistry
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ChemInform Abstract: Photochemical Transformations of 1,1,4-Trisubstituted Buta-1,3-dienes: 2,5-Diphenyl- and 2-(p-Methoxyphenyl)-5-phenyl-penta-2,4-dienoic Acid.
First published: April 6, 1993
Abstract
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ChemInform Abstract
UV irradiation of (I) in MeOH gives a compound (V) formed by 1,4- addition of solvent besides the products of decarboxylation and isomerization. In dioxane various photochemical processes occur. The latter reaction is also performed with the 2-p-methoxyphenyl analogue of (I) and gives similar results.
