Solid-state photochemistry of cis-cinnamic acids: a competition between [2+2] addition and cis-trans isomerization

被引：11
|
作者：
Veerakanellore, Giri Babu [1 ]
Captain, Burjor [1 ]
Ramamurthy, V. [1 ]
机构：
[1] Univ Miami, Dept Chem, Coral Gables, FL 33146 USA
来源：
CRYSTENGCOMM | 2016年 / 18卷 / 25期
基金：
美国国家科学基金会;
关键词：
CRYSTAL-STRUCTURE; PHOTOISOMERIZATION; VOLUME;
D O I：
10.1039/c6ce00682e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
With three examples, we have established that cis-cinnamic acids can dimerize via a diradical intermediate in the crystalline state provided that the intermolecular distance is less than 4.2 angstrom. In the excited state of cis-isomers, C-C bond formation with an adjacent molecule competes with geometric isomerization.
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页码：4708 / 4712
页数：5
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