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Issue 17, 2014
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Quantitative kinetic investigation of triazole–gold(I) complex catalyzed [3,3]-rearrangement of propargyl ester

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Abstract

The triazole–gold(I) complex catalyzed [3,3]-rearrangement of propargyl ester has been quantitatively investigated through in situ IR. First order dependence of the initial rates on [Au] and [propargyl ester] suggested that the turnover-limiting step is the associative ligand substitution. The activation enthalpy was also determined to be 7.8 kcal mol−1. TA–Au catalysts with different triazole derivatives were also tested, giving a linear free energy relationship with a ρ value of 0.74.

Graphical abstract: Quantitative kinetic investigation of triazole–gold(i) complex catalyzed [3,3]-rearrangement of propargyl ester

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Publication details

The article was received on 10 Dec 2013, accepted on 24 Dec 2013 and first published on 06 Jan 2014


Article type: Communication
DOI: 10.1039/C3CC49351B
Citation: Chem. Commun., 2014,50, 2158-2160
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    Quantitative kinetic investigation of triazole–gold(I) complex catalyzed [3,3]-rearrangement of propargyl ester

    Y. Xi, Q. Wang, Y. Su, M. Li and X. Shi, Chem. Commun., 2014, 50, 2158
    DOI: 10.1039/C3CC49351B

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