An efficient microwave-assisted Suzuki reaction using a new pyridine-pyrazole/Pd(II) species as catalyst in aqueous media.

Liqun Shen, Suyu Huang, Yuanmei Nie, Fuhou Lei

Index: Molecules 18(2) , 1602-12, (2013)

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Abstract

A new pyridine-pyrazole N-N ligand has been conveniently synthesized and characterized by ¹H-, ¹³C-NMR, IR spectroscopies, HRMS and X-ray single-crystal crystallography analyses. The ligand adds to palladium(II) under basic conditions to give high yields of an air-stable and water-soluble complex that was fully characterized by NMR and HRMS. The complex was investigated as a catalyst for the Suzuki reaction in aqueous media under microwave irradiation. The compound proved to be an effective catalyst.