1146473-28-0Relevant articles and documents
Chalcogen???π Bonding Catalysis
Kong, Xiangjin,Zhou, Pan-Pan,Wang, Yao
, p. 9395 - 9400 (2021)
While the presence of sulfur???π bonding interaction is a general phenomenon in the biological systems, the exploitation of this noncovalent force in a chemical process yet remains elusive. Herein, we describe the concept of chalcogen???π bonding catalysis that activates molecules of π systems through the interaction between chalcogen and π-electron cloud. The proof-of-concept studies using a vinylindole-based Diels–Alder benchmark reaction demonstrate that S???π and Se???π bonding interaction can drive the cycloaddition reaction efficiently. Experimental results suggest that a simultaneously double Se???π bonding interaction directs the stereoselectivity in this cycloaddition process.
Bronsted acid mediated tandem diels-alder/ aromatization reactions of vinylindoles
Chen, Cai-Bao,Wang, Xu-Fan,Cao, Yi-Ju,Cheng, Hong-Gang,Xiao, Wen-Jing
supporting information; experimental part, p. 3532 - 3535 (2009/09/30)
A Bronsted acid catalyzed tandem Diels - Alder/aromatiza-tion reaction of 2-vinylindoles has been developed. The reaction provides a highly efficient and concise approach to 3-indolyl-substituted tetrahydrocarbazoles with various substituents in high yiel