Solvent-dependent cis-trans photoisomerization of p-methoxy-p′-nitro-substituted trans,trans,trans-1,6-diphenyl-1,3,5-hexatriene

被引：7
|
作者：
Sonoda, Y [1 ]
Kawanishi, Y [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, AIST, Nanotechnol Res Inst, Tsukuba, Ibaraki 3058565, Japan
来源：
CHEMISTRY LETTERS | 2003年 / 32卷 / 10期
关键词：
D O I：
10.1246/cl.2003.978
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Irradiation of p-methoxy-p'-nitro-substituted 1,6-diphenyl-1,3,5-hexatriene induced trans, trans, trans --> cis, trans, trans (ttt --> ctt) isomerization in toluene, whereas in acetonitrile inefficient ttt --> ctt, tct isomerization was observed. The results are explained in terms of weakly polar nature of twisted excited states.
引用
收藏
页码：978 / 979
页数：2
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