Novel synthesis and characterisation of 3,3-dimethyl-5′-(2-benzothiazolyl)-spironaphth(indoline-2,3′-[3H]naphth[2,1-b] [1,4]oxazine) derivatives

被引：18

作者：

Alhashimy, Nameer ^{[1
]}

Byrne, Robert ^{[1
]}

Minkovska, Stela ^{[1
,2
]}

Diamond, Dermot ^{[1
]}

机构：

[1] Dublin City Univ, Sch Chem Sci, Natl Ctr Sensor Res, Adapt Sensors Grp, Dublin 9, Ireland

[2] Bulgarian Acad Sci, Inst Catalysis, Sofia 111, Bulgaria

来源：

TETRAHEDRON LETTERS | 2009年 / 50卷 / 21期

基金：

爱尔兰科学基金会;

关键词：

Spirooxazine; Merocyanine; Photo-switchable sensors; Photochromism; PHOTOCHROMISM; SPIROPYRAN; COMPLEXATION; CHELATION; MEROCYANINES; SURFACE;

D O I：

10.1016/j.tetlet.2009.03.080

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Novel modified spirooxazines (SOs) with additional chelating groups were synthesised and the crystal structure of one of these was determined. UV-vis spectroscopic characterization of the photoisomerization of the SO derivatives shows that the photochromic behaviour is altered with Zn2+ coordination. In particular, addition of a group as in carboxylic acid 5 to the indole section of the SO increases the lifetime of the merocyanine Zn2+ complex by 20-fold compared to the methylated indole 6. (C) 2009 Published by Elsevier Ltd.

引用

页码：2573 / 2576

页数：4

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