Issue 2, 2016

Metal-free oxidative phosphinylation of aryl alkynes to β-ketophosphine oxides via visible-light photoredox catalysis

Abstract

A method for photocatalytic oxidative coupling of diaryl phosphine oxide and arylacetylene under mild conditions was developed. Rhodamine B, an inexpensive and commercially available organic dye, was used as the photocatalyst. This protocol realizes a regioselective 1,2-difunctionalization of arylacetylenes and provides a metal-free access toward a series of β-ketophosphine oxides.

Graphical abstract: Metal-free oxidative phosphinylation of aryl alkynes to β-ketophosphine oxides via visible-light photoredox catalysis

Supplementary files

Article information

Article type
Communication
Submitted
12 sep. 2015
Accepted
26 okt. 2015
First published
30 okt. 2015

Catal. Sci. Technol., 2016,6, 413-416

Author version available

Metal-free oxidative phosphinylation of aryl alkynes to β-ketophosphine oxides via visible-light photoredox catalysis

M. Bu, G. Lu and C. Cai, Catal. Sci. Technol., 2016, 6, 413 DOI: 10.1039/C5CY01541C

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