Highly regio- and enantioselective thermal [2 + 2] cycloaddition of coumarin in a crystalline inclusion complex under high vacuum.
Coumarin and thiocoumarin, which are usually thermally unreactive for dimerization, were dimerized in their inclusion crystalline complexes under thermal and high vacuum conditions.
Wen
Yongqiang
Y
Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China.
Song
Yanlin
Y
Zhao
Dongbo
D
Ding
Kuiling
K
Bian
Jiang
J
Zhang
Xue
X
Wang
Jingxia
J
Liu
Yang
Y
Jiang
Lei
L
Zhu
Daoben
D