Photoinitiated radical-forming reactions of 2-quinolinecarbonitrile at 77 and 331 K

…, S Morrocchi, BM Vittimberga

Index: Caronna, Tullio; Morrocchi, Sergio; Vittimberga, Bruno M. Journal of Organic Chemistry, 1981 , vol. 46, # 1 p. 34 - 37

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Citation Number: 5

Abstract

The photoinitiated dimerization of 2-quinolinecarbonitrile (1) in HCl-acidified 2- propanol/water (41) has been studied at 77 and 331 K at 250,300 and 350 nm in unsensitized and benzophenone and biphenyl-sensitized reactiona One principal product, a dimer lactam (5), is formed at all wavelengths through a triplet state of 1. ESR spectra taken in ethanol at 77 K show a signal for ethyl radical which is formed by a biphotonic process ...