Studies on the Photochemical Reactions of α,β-Acetylenic Ketones with Tetramethylethylene

Article abstract of DOI:10.1021/ja00361a027

With exclusion of acid, photolysis of mixtures of 1 and 2 in benzene yields 7a and 8a, which rearrange readily to 3, the previously isolated product.Labeling experiments show that these dienes arise by intramolecular 1,4 transfer of hydrogen.Irradiation o