Tetrahedron Letters

Temperature dependent product distribution in photolysis of o-alkylphenacyl benzoates

M Jang, BH Lim, HJ Ryu, BS Park

文献索引：Jang, Mi; Lim, Bum Hee; Ryu, Hyuk Jun; Park, Bong Ser Tetrahedron Letters, 2013 , vol. 54, # 52 p. 7175 - 7179

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摘要

Abstract Temperature effect on photochemical reactions of ortho-alkylphenacyl benzoates, one of the recently developed photoremovable protecting groups (PPG), giving indanones (IN) and benzocyclobutenols (CB) was examined. As temperature was lowered, CB was formed preferentially over IN and the amount of IN increased as temperature was elevated. Arrhenius plot of ln (IN/CB) versus 1/T gave a straight line from which Ea IN–Ea CB and A ...