Issue 8, 2014

A metal-free synthesis of diaryl-1,2-diketones by C–C triple bond cleavage of alkynones

Abstract

A novel and environmentally benign protocol for diaryl-1,2-diketones was developed. Various diaryl-1,2-diketones were afforded in moderate to excellent yields by C–C triple bond cleavage of alkynones using molecular oxygen as an oxidant. A plausible reaction mechanism was proposed that accounts for all the experimental results. The products are important building blocks in organic synthesis and could be converted to various synthons via diverse transformations.

Graphical abstract: A metal-free synthesis of diaryl-1,2-diketones by C–C triple bond cleavage of alkynones

Supplementary files

Article information

Article type
Research Article
Submitted
24 Jun 2014
Accepted
16 Aug 2014
First published
18 Aug 2014

Org. Chem. Front., 2014,1, 1001-1004

Author version available

A metal-free synthesis of diaryl-1,2-diketones by C–C triple bond cleavage of alkynones

X. Wang, G. Cheng, J. Shen, X. Yang, M. Wei, Y. Feng and X. Cui, Org. Chem. Front., 2014, 1, 1001 DOI: 10.1039/C4QO00174E

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