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Citation: Chunyan Zhang, Jianhua Liu, Chungu Xia. Easily prepared water soluble Pd-NHC complex as an efficient, phosphine-free palladium catalyst for the Sonogashira reaction[J]. Chinese Journal of Catalysis, ;2015, 36(8): 1387-1391. doi: 10.1016/S1872-2067(15)60843-9 shu

Easily prepared water soluble Pd-NHC complex as an efficient, phosphine-free palladium catalyst for the Sonogashira reaction

Chunyan Zhang ^a,b ,
Jianhua Liu ^a,, ,
Chungu Xia ^a,,

1.
a State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, Gansu, China;

Corresponding author: Jianhua Liu, Chungu Xia,
Received Date: 23 February 2015
Available Online: 9 March 2015
Fund Project: 国家自然科学基金(21373248和21133011). (21373248和21133011)

A water soluble Pd-NHC complex was prepared and its catalytic activity in the Sonogashira reaction of terminal alkynes and aryl iodides using water as solvent under phosphine-free conditions was shown. This gives an efficient approach to diarylalkynes. The water soluble Pd-NHC complex can be easily recovered by extraction of the reaction solution and it was reused four times with only a slight loss of catalytic activity.
- Pd-NHC complex,
- Sonogashira reaction,
- Water,
- Aryl iodide,
- Terminal alkyne
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