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Synfacts 2010(10): 1201-1201  
DOI: 10.1055/s-0030-1258663
Polymer-Supported Synthesis
© Georg Thieme Verlag Stuttgart ˙ New York

Suzuki-Miyaura Coupling in Water Using Pd@PMO-IL

Contributor(s): Yasuhiro Uozumi, Toshimasa Suzuka
B. Karimi*, D. Elhamifar, J. H. Clark, A. J. Hunt
Institute for Advanced Studies in Basic Sciences, Zanjan, Iran and University of York, UK
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Publication History

Publication Date:
22 September 2010 (online)

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Significance

The palladium-containing periodic mesoporous organosilica (Pd@PMO-IL) was prepared and found to promote the Suzuki-Miyaura coupling in water. Thus, the periodic mesoporous organosilica comprising imidazolium ionic liquid (PMO-IL) was prepared from 1,3-bis(3-trimeth­oxysilylpropyl)imidazolium chloride with tetra­methoxysilane according to the reported procedures with a slight modification (C. Li et al. Microporous Mesoporous Mater. 2007, 98, 220). The reaction of PMO-IL with Pd(OAc)2 gave the supported catalyst Pd@PMO-IL (1). The Suzuki-Miyaura coupling was performed with 4-bromo­benzaldehyde (2a) and phenylboronic acid (3a) in the presence of 1 to give 4-phenylbenzaldehyde (4a) in 99% yield.