Another Photochromism of a Spironaphtoxazine Due to the Geometric Isomerization of the Open-Form

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  • Toyokazu Horii
    Research Institute for Advanced Science and Technology, Osaka Prefecture University1-2 Gakuen-cho, Sakai
  • Yoshinobu Miyake
    Research Institute for Advanced Science and Technology, Osaka Prefecture University1-2 Gakuen-cho, Sakai
  • Ren Nakao
    Research Institute for Advanced Science and Technology, Osaka Prefecture University1-2 Gakuen-cho, Sakai
  • Yasuo Abe
    Research Institute for Advanced Science and Technology, Osaka Prefecture University1-2 Gakuen-cho, Sakai

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Abstract

<jats:title>Abstract</jats:title> <jats:p>The photodecoloration rate of colored spironaphtho[1,2-b]oxazine 2 was much slower than the corresponding [2,1-b]oxazine 1. Existence of another photochromic system between two of the open-form isomers of 2, in addition to the well-known one for 1 between the closed and the open forms, was proved.</jats:p>

Journal

  • Chemistry Letters

    Chemistry Letters 26 (7), 655-656, 1997-07-01

    Oxford University Press (OUP)

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