Issue 38, 2021

Direct conversion of secondary propargyl alcohols into 1,3-di-arylpropanone via DBU promoted redox isomerization and palladium assisted chemoselective hydrogenation in a single pot operation

Abstract

Palladium(II)acetate is found to be an efficient catalyst for the single-step conversion of secondary propargyl alcohols to 1,3-diarylpropanone derivatives under mild basic conditions. The reaction is believed to proceed via redox isomerisation of secondary propargyl alcohols followed by chemoselective reduction of an enone double bond with formic acid as an adequate hydrogen donor. A large number of 1,3-diarylpropanone derivatives may readily be prepared from a milligram to a multigram scale.

Graphical abstract: Direct conversion of secondary propargyl alcohols into 1,3-di-arylpropanone via DBU promoted redox isomerization and palladium assisted chemoselective hydrogenation in a single pot operation

Supplementary files

Article information

Article type
Paper
Submitted
17 Jun 2021
Accepted
05 Aug 2021
First published
17 Aug 2021

New J. Chem., 2021,45, 17871-17877

Direct conversion of secondary propargyl alcohols into 1,3-di-arylpropanone via DBU promoted redox isomerization and palladium assisted chemoselective hydrogenation in a single pot operation

R. De, S. A. Savarimuthu, S. Chandra and M. K. Bera, New J. Chem., 2021, 45, 17871 DOI: 10.1039/D1NJ02972J

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