Issue 66, 2020
From the journal:

Chemical Communications

Catalytic regio- and stereoselective intermolecular [5+2] cycloaddition via conjugative activation of oxidopyrylium†

Ling Zhang,a   Qiu Shi,a   Tongxiang Cao ORCID logo *a  and  Shifa Zhu ORCID logo *a  

* Corresponding authors

a Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
E-mail: caotx@scut.edu.cn, zhusf@scut.edu.cn

Abstract

A catalytic stereodivergent intermolecular [5+2] cycloaddition of maltol-type oxidopyrylium through conjugative activation was reported, which featured high stereoselectivity, good compatibility and mild conditions, providing a convenient access route to various seven-membered heterocycles in moderate to excellent yields. In addition, a discrete mechanism was proposed to illustrate the stereoselectivity.

Graphical abstract: Catalytic regio- and stereoselective intermolecular [5+2] cycloaddition via conjugative activation of oxidopyrylium

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Article information

DOI
https://doi.org/10.1039/D0CC04309E
Article type
Communication
Submitted
22 Jun 2020
Accepted
09 Jul 2020
First published
11 Jul 2020

Chem. Commun., 2020,56, 9533-9536

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Catalytic regio- and stereoselective intermolecular [5+2] cycloaddition via conjugative activation of oxidopyrylium

L. Zhang, Q. Shi, T. Cao and S. Zhu, Chem. Commun., 2020, 56, 9533 DOI: 10.1039/D0CC04309E

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