CoBr2–TMTU–zinc catalysed-Pauson–Khand reaction

Yuefan Wang; Lingmin Xu; Ruocheng Yu; Jiahua Chen; Zhen Yang

doi:10.1039/C2CC17971G

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CoBr₂–TMTU–zinc catalysed-Pauson–Khand reaction†

Yuefan Wang,^a Lingmin Xu,^a Ruocheng Yu,^a Jiahua Chen*^a and Zhen Yang*^ab

Author affiliations

* Corresponding authors

^a Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education and Beijing National Laboratory for Molecular Science (BNLMS), College of Chemistry, Peking University, Beijing, China
E-mail: zyang@pku.edu.cn

^b Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, China

Abstract

A cobalt–TMTU complex, derived from the in situ reduction of CoBr₂ with Zn in the presence of TMTU, can catalyze Pauson–Khand reaction at a balloon pressure of CO, which enables the synthesis of structurally diverse cyclopentenones. This catalytic system works efficiently for both intermolecular and intramolecular PK reactions.

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Article information

DOI: https://doi.org/10.1039/C2CC17971G
Article type: Communication
Submitted: 21 Dec 2011
Accepted: 05 Mar 2012
First published: 05 Mar 2012

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Chem. Commun., 2012,48, 8183-8185

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CoBr₂–TMTU–zinc catalysed-Pauson–Khand reaction

Y. Wang, L. Xu, R. Yu, J. Chen and Z. Yang, Chem. Commun., 2012, 48, 8183 DOI: 10.1039/C2CC17971G

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Chemical Communications