Reactivity-gated photochromism of 1,2-dithienylethenes for potential use in dosimetry applications

被引：86

作者：

Lemieux, V ^{[1
]}

Branda, NR ^{[1
]}

机构：

[1] Simon Fraser Univ, Dept Chem, Burnaby, BC V5A 1S6, Canada

来源：

ORGANIC LETTERS | 2005年 / 7卷 / 14期

关键词：

D O I：

10.1021/ol050971p

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A novel molecular switching system based on reactivity-gated photochromism operates because a butadiene undergoes a [4 + 2] cycloaddition reaction with a dienophile to produce the photoresponsive 1,2-dithienylethene backbone. The reversible change in color when samples are irradiated with appropriate wavelengths of light occurs only after the Diels-Alder cycloaddition reaction takes place.

引用

页码：2969 / 2972

页数：4

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