Pd/tetraphosphine catalytic system for Cu-free Sonogashira reaction "on water"

Zhou, Rong; Wang, Wei; Jiang, Zhi Jie; Fu, Hai Yan; Zheng, Xue Li; Zhang, Chun Chun; Chen, Hua; Li, Rui Xiang

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Pd/tetraphosphine catalytic system for Cu-free Sonogashira reaction "on water"

Date

2014-03-01

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Abstract

An efficient copper-free Sonogashira coupling reaction was performed on water at 100 °C with N,N,N′,N′-tetra(diphenylphosphinomethyl) pyridine-2,6-diamine (1) as a ligand, [Pd(η3-C3H 5)Cl]2 as a catalyst precursor and K3PO 4 as a base. Both aryl and heteroaryl halides were successfully alkynylated in this system, and a high turnover number (TON) up to 860000 was obtained with a catalyst loading as low as 1 ppm.

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https://dspace-test.anu.edu.au/handle/1885/733717941

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DevOps Pure Testing

Source

Catalysis Science and Technology

Type

Article

DOI

10.1039/c3cy00831b

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Pd/tetraphosphine catalytic system for Cu-free Sonogashira reaction "on water"

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