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Issue 19, 2013
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Pincer-type di(1,2,4-triazolin-5-ylidene)Pd(ii) complexes and their catalytic activities towards Cu- and amine-free Sonogashira reaction

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Abstract

Pd(II) complexes [PdBr(A3CNC)]Br (1) and [PdBr(B3CNC)]Br (2) with new CNC pincer-type ligands derived from 1,2,4-triazolin-5-ylidenes have been synthesized and characterized by multinuclei NMR spectroscopies, ESI mass spectrometry and X-ray diffraction analysis. The more soluble complex 1 proved to be an efficient pre-catalyst in copper- and amine-free Sonogashira reaction with high turnover numbers. The potential for recycling of the catalyst was also demonstrated.

Graphical abstract: Pincer-type di(1,2,4-triazolin-5-ylidene)Pd(ii) complexes and their catalytic activities towards Cu- and amine-free Sonogashira reaction

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Supplementary files

Article information


Submitted
23 Jan 2013
Accepted
20 Feb 2013
First published
21 Feb 2013

Dalton Trans., 2013,42, 6803-6809
Article type
Paper

Pincer-type di(1,2,4-triazolin-5-ylidene)Pd(II) complexes and their catalytic activities towards Cu- and amine-free Sonogashira reaction

H. V. Huynh and C. Lee, Dalton Trans., 2013, 42, 6803
DOI: 10.1039/C3DT50237F

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