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Angew Chem Int Ed Engl. 2014 Feb 10;53(7):1939-42. doi: 10.1002/anie.201307745. Epub 2014 Jan 21.

The Pauson-Khand mechanism revisited: origin of CO in the final product.

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1
UPMC Univ Paris 06 (IPCM), UMR CNRS-7201, 4 place Jussieu, 75005 Paris (France).

Abstract

The mechanism of the Pauson-Khand reaction has been studied by mass spectrometry and it has been found, through ion-molecule reaction with (13) CO, that the carbon monoxide incorporated into the product cyclopentenone is one that has been retained within the complex. Theoretical and kinetic calculations support this finding, which provides a complementary explanation for the effect of Pauson-Khand promoters.

KEYWORDS:

cobalt; density functional calculations; gas-phase reactions; mass spectrometry; reaction mechanisms

PMID:
24449220
DOI:
10.1002/anie.201307745
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