Hypervalent Chalcogenonium⋅⋅⋅π Bonding Catalysis
Qingyu ZhangSchool of Chemistry and Materials Science University of Science and Technology of China Hefei 230026, Anhui ChinaYung‐Yin ChanDepartment of Chemistry and State Key Laboratory of Synthetic Chemistry The Chinese University of Hong Kong Shatin, NT Hong Kong ChinaMuyin ZhangSchool of Science and Engineering The Chinese University of Hong Kong Shenzhen 518172, Guangdong ChinaYing‐Yeung YeungDepartment of Chemistry and State Key Laboratory of Synthetic Chemistry The Chinese University of Hong Kong Shatin, NT Hong Kong ChinaZhihai KeSchool of Science and Engineering The Chinese University of Hong Kong Shenzhen 518172, Guangdong China
2022en
ABI
Аннотация
A proof-of-concept study of hypervalent chalcogenonium⋅⋅⋅π bonding catalysis was performed. A new catalytic strategy using 1,2-oxaselenolium salts as chalcogen bond donors and alkenes as chalcogen bond acceptors is described. The feasibility of this concept is demonstrated by the use of trisubstituted selenonium salts in the metal-free catalytic hydrofunctionalization and polymerization of alkenes via unconventional seleniranium ion-like intermediates. The results indicate that counter anions have a significant effect on the catalysis based on hypervalent chalcogenonium⋅⋅⋅π bonding interactions.
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