Photochemical Cycloaddition of Phenanthrene-Fused Lactones to (E)-Anethole. Structural Effects and Dual Collapse Processes of an Exciplex Leading to …

…, S Maruyama, Y Fujii, Y Senda, H Sakuragi…

Index: Itoh, Hiroki; Maruyama, Syuji; Fujii, Yoshiharu; Senda, Yasuhisa; Sakuragi, Hirochika; Tokumaru, Katsumi Bulletin of the Chemical Society of Japan, 1993 , vol. 66, # 1 p. 287 - 293

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Citation Number: 2

Abstract

On irradiation with (E)-anethole in benzene 10-hydroxymethyl-9-phenanthrenecarboxylic acid lactone (s-trans lactone, STL) gave an intermolecular [2+ 2] cycloadduct, a cyclobutane derivative, while 8-hydroxymethyl-9-phenanthrenecarboxylic acid lactone (s-cis lactone, SCL) afforded a cyclobutane derivative and an olefinic product derived from an oxetane precursor, the carbonyl adduct. The formation of cycloadducts of highly different structures ...