Synthesis and spectral properties of some new long chain alkyl substituted spiropyranindolines

Chin. J. Org. Chem. ›› 1992, Vol. 12 ›› Issue (5): 526-531. Previous Articles Next Articles

Original Articles

十八烷基取代吲哚啉螺吡喃衍生物的合成及光谱性质

吴爱萍;明阳福;孟宪娟;樊美公

中国科学院感光化学研究所

发布日期:1992-10-25

Synthesis and spectral properties of some new long chain alkyl substituted spiropyranindolines

WU AIPING;MING YANGFU;MENG XIANJUAN;FAN MEIGONG

Published:1992-10-25

Abstract

Ten new spiropyranindolines I (R1 = H, Me; R2, R3 = H, Br, MeO, NO2) and II (R1 = H, Me) have been synthesized. The m.p., elemental anal. and 1H NMR spectra were measured to identify the structure of these new compounds All compounds show photochromic properties after irradiation with UV light. Based on UV-visible spectral data and the influence of solvent polarity on spectra of spiropyran, the effect of substituent on spectral properties of ring-opening form were discussed and the zwitterionic structure of the colored form was proposed.

Key words: INDOLE P, ULTRAVIOLET SPECTROPHOTOMETRY, PHOTOCHROMISM, INDOLINOSPIROBENZOPYRAN PHOTOCHROMICS

CLC Number:

O644

Cite this article

WU AIPING;MING YANGFU;MENG XIANJUAN;FAN MEIGONG. Synthesis and spectral properties of some new long chain alkyl substituted spiropyranindolines[J]. Chin. J. Org. Chem., 1992, 12(5): 526-531.

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十八烷基取代吲哚啉螺吡喃衍生物的合成及光谱性质

Synthesis and spectral properties of some new long chain alkyl substituted spiropyranindolines

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