Novel photoreactions of 2-aza-1, 4-dienes in the triplet excited state and via radical-cation intermediates. 2-Aza-di-π-methane rearrangements yielding …

D Armesto, O Caballero, MJ Ortiz…

Index: Armesto, Diego; Horspool, William M.; Langa, Fernando; Ramos, Ana Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1991 , # 1 p. 223 - 228

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Citation Number: 17

Abstract

Triplet-sensitized irradiation of 2-aza-1, 4-dienes affords N-cyclopropylimines via 2-aza-di-π- methane (2-ADPM) rearrangement pathways. In the case of the pentaphenyl-substituted azadiene 1, irradiation leads to formation of cyclopropylimine 2 as well as N-vinylaziridine 3.