Citation: Zhao Yang Wang, Huan Feng Jiang, Chao Rong Qi, Yan Xia Shen, Shao Rong Yang. PS-HQ: More convenient in situ polymeric cocatalyst for the PdCl₂-catalyzed acetalization in supercritical carbon dioxide[J]. Chinese Chemical Letters, ;2007, 18(8): 969-972. doi: 10.1016/j.cclet.2007.05.026 shu

PS-HQ: More convenient in situ polymeric cocatalyst for the PdCl₂-catalyzed acetalization in supercritical carbon dioxide

a College of Chemistry, South China University of Technology, Guangzhou 510640, China;
b Department of Chemistry, South China Normal University, Guangzhou 510006, China

Received Date: 18 December 2006

Fund Project: This work was supported by the NNSFC (Nos. 20332030, 20572027, 20625205) and Young Foundation of SCUT.

Polystyrene-supported hydroquinone (PS-HQ) is presented as an in situ polymeric cocatalyst to replace polystyrene-supported benzoquinone (PS-BQ) in the PdCl₂-catalyzed acetalization of methyl acrylate with methanol in supercritical carbon dioxide (scCO₂) under oxygen atmosphere. Due to deletion of H₂O₂ oxidation step, PS-HQ is more convenient and relatively inexpensive.
- Palladium chloride,
- Polymeric supported catalyst,
- Hydroquinone,
- Oxidation,
- Wacker reaction,
- Molecular oxygen
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