Visible-light and thermal driven double hydrophosphination of terminal alkynes using a commercially available iron compound?

Chemical Communications Pub Date: 2018-02-21 DOI: 10.1039/C8CC00847G

Abstract

A commercially available iron compound, [CpFe(CO)2]2 (1) (Cp = η5-C5H5), is an efficient catalyst for the double hydrophosphination of terminal aryl alkynes with diphenylphosphine under visible light irradiation or thermal conditions with a reduction of reaction times of up to two orders of magnitude for some substrates over literature reports. The 1,2-bis(diphenylphosphino)ethane products generated in these reactions are readily isolated in high yields.

Graphical abstract: Visible-light and thermal driven double hydrophosphination of terminal alkynes using a commercially available iron compound
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