Highly regio- and enantioselective thermal [2 + 2] cycloaddition of coumarin in a crystalline inclusion complex under high vacuum

Yongqiang Wen; Yanlin Song; Dongbo Zhao; Kuiling Ding; Jiang Bian; Xue Zhang; Jingxia Wang; Yang Liu; Lei Jiang; Daoben Zhu

doi:10.1039/B417259K

Highly regio- and enantioselective thermal [2 + 2] cycloaddition of coumarin in a crystalline inclusion complex under high vacuum†

Yongqiang Wen,^a Yanlin Song,*^a Dongbo Zhao,^b Kuiling Ding,*^b Jiang Bian,^c Xue Zhang,^b Jingxia Wang,^a Yang Liu,^a Lei Jiang^a and Daoben Zhu^a

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* Corresponding authors

^a Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
E-mail: ylsong@iccas.ac.cn
Fax: +86 10 82627566
Tel: +86 10 82621396

^b State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai, China
E-mail: kding@mail.sioc.ac.cn
Fax: +86 21 64161117
Tel: +86 21 5492 5146

^c College of Chemistry & Molecular Engineering, Peking University, Beijing, China

Abstract

Coumarin and thiocoumarin, which are usually thermally unreactive for dimerization, were dimerized in their inclusion crystalline complexes under thermal and high vacuum conditions.

Chemical Communications

Highly regio- and enantioselective thermal [2 + 2] cycloaddition of coumarin in a crystalline inclusion complex under high vacuum†

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Highly regio- and enantioselective thermal [2 + 2] cycloaddition of coumarin in a crystalline inclusion complex under high vacuum

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