Photochromic property of anionic spiropyran with sulfonate-substituted indoline moiety

Akira Sugahara, Naru Tanaka, Atsushi Okazawa, Nobuyuki Matsushita, Norimichi Kojima*

*この研究の対応する著者

研究成果: Article査読

13 被引用数 (Scopus)

抄録

For fabricating photoresponsive multifunctional materials, we have developed the potassium salt of a new anionic spiropyran, 1′,3′, 3′-trimethyl-6-nitrospiro[2H-1-benzopyran-2,2′-indoline] -5′-sulfonate (1-), with the sulfonate group present on the indoline moiety and whose crystal structure was revealed by single-crystal X-ray diffraction analysis. The photochromism of 1·K was demonstrated at room temperature in the KBr-diluted state, as well as in solution. The protonated spiropyran 1H shows negative photochromism.

本文言語English
ページ(範囲)281-283
ページ数3
ジャーナルChemistry Letters
43
3
DOI
出版ステータスPublished - 2014
外部発表はい

ASJC Scopus subject areas

  • 化学 (全般)

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