Bimetallic zinc complex – active species in coupling of terminal alkynes with aldehydes via nucleophilic addition/Oppenauer oxidation

Jiwen Yuan; Jing Wang; Guanghui Zhang; Chao Liu; Xiaotian Qi; Yu Lan; Jeffrey T. Miller; A. Jeremy Kropf; Emilio E. Bunel; Aiwen Lei

doi:10.1039/C4CC08152H

Bimetallic zinc complex – active species in coupling of terminal alkynes with aldehydes via nucleophilic addition/Oppenauer oxidation†

Jiwen Yuan,^a Jing Wang,^a Guanghui Zhang,

^ab Chao Liu,

*^a Xiaotian Qi,^c Yu Lan,*^c Jeffrey T. Miller,^b A. Jeremy Kropf,^b Emilio E. Bunel^b and Aiwen Lei*^ab

Author affiliations

* Corresponding authors

^a College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, P. R. China
E-mail: aiwenlei@whu.edu.cn, chao.liu@whu.edu.cn
Fax: +86-27-68754067
Tel: +86-27-68754672

^b Chemical Science and Engineering Division, Argonne National Laboratory, 9700 S. Cass Ave., Argonne, Illinois 60439, USA

^c School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, P. R. China
E-mail: lanyu@cqu.edu.cn

Abstract

A mechanistic study on the zinc-promoted coupling between aldehydes and terminal alkynes via nucleophilic addition/Oppenauer oxidation using operando IR, XANES/EXAFS techniques and DFT calculations was demonstrated. It was determined that a bimetallic zinc complex was the active species.

Chemical Communications

Bimetallic zinc complex – active species in coupling of terminal alkynes with aldehydes via nucleophilic addition/Oppenauer oxidation†

Abstract

Supplementary files

Article information

Download Citation

Author version available

Permissions

Bimetallic zinc complex – active species in coupling of terminal alkynes with aldehydes via nucleophilic addition/Oppenauer oxidation

Social activity

Search articles by author

Spotlight

Advertisements