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Photocyclizations electron transfer induced

The electron-transfer-induced photocyclization of benzylpyrrolinium salts has been shown to be a reliable method of access to benzopyrrolizidine products. Several representatives of this particular system, (206)-(217) together with several benzoindolizidines have been fully characterized by spectroscopic methods (IR, UV, H NMR, C NMR and MS) <90JA3594>. X-ray crystallographic study of the picronolate salt of cyclohexapyrrolizidine (218) led to the determination of the stereochemical features of this fused pyrrolizidine <78CJC320>. [Pg.983]

Stavinoha, J. and Mariano, P.S., Electron transfer induced photocyclization reactions of arene-iminium salts system. Effect of cation diradical deprotonation and desilylation on the nature and efficiency of the pathways followed, /. Am. Chem. Soc., 109,2738, 1987. [Pg.108]

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