Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Sydnones. Synthesis and Photochromic Behavior of 3-(3-Pyridyl)sydnone Derivatives and a 4-Alkenyl-3-phenylsydnone
Shinichi InoueNobuyoshi AsaiGorou YasudaTakuya Hori
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1977 Volume 50 Issue 12 Pages 3268-3270

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Abstract

Six new-sydnones [3-(3-pyridyl)-4-(p-chlorophenyl)sydnone (1), 3-(3-pyridyl)-4-(p-tolyl)sydnone (2), 3-(3-pyridyl)-4-(p-nitrophenyl)sydnone (3), 3-(3-pyridyl)-4-(p-aminophenyl)sydnone (4), 3-(3-pyridyl)-4-(p-acetamidophenyl)sydnone (5), and 3-phenyl-4-(α-phenylstyryl)sydnone (6)] were synthesized and examined for photochromic behavior. Sydnone 2 exhibited photochromism in the solid state upon UV irradiation (230–580 nm).

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