Control of photoisomerization of C=C double bond by hydrogen bonding and photoinduced hydrogen atom transfer

被引：9

作者：

Azechi, Yousuke ^{[1
]}

Takemura, Keiko ^{[1
]}

Shinohara, Yoshihiro ^{[1
]}

Nishimura, Yoshinobu ^{[1
]}

Arai, Tatsuo ^{[1
]}

机构：

[1] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058571, Japan

来源：

JOURNAL OF PHYSICAL ORGANIC CHEMISTRY | 2007年 / 20卷 / 11期

关键词：

isomerization; hydrogen atom transfer;

D O I：

10.1002/poc.1239

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Olefins with a phenathroline ring and a pyrrole ring were prepared and hydrogen atom transfer reaction in the excited singlet state was observed. The tautomer produced in the excited singlet state has lifetime of 30-50 ps for cis-1 and c,t-2 and with fluorescence maximum at longer wavelength region at 640 nm. The compound 1 exhibited photochromic behavior with its absorption maximum changing between 380 nm and 440 nm, while 2 exhibited only the small change of the absorption spectra on photoirradiation. Copyright (c) 2007 John Wiley & Sons, Ltd.

引用

页码：864 / 871

页数：8

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