Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 792, Issue -, Pages 88-92Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2015.02.008
Keywords
Copper(II) complex; Catalysis; Oxidation; Benzyl alcohols; Benzaldehydes
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Funding
- National Natural Science Foundation of China [21271134, 21171124, 21373142]
- State Key Laboratory of Organometallic Chemistry of Shanghai Institute of Organic Chemistry [2015kf-07]
- Qing-Lan Project of Jiangsu Province [BRA2012139]
- 333 Project of Jiangsu Province [BRA2012139]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- SooChow Scholar Program of Soochow University
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A water-soluble cationic mononuclear copper(II) complex [Cu(II)L(H2O)I-2 (1, H4L = 5,11,17,23 tetrakis(trimethylammonium)-25,26,27,28-tetrahydroxycalix[4]arene) was employed as a catalyst in the oxidation of benzyl alcohols to benzaldehydes in water. In the presence of TEMPO and H2O2, complex 1 exhibited good catalytic activity towards primary benzyl alcohols with a less catalyst loading (0.25 mol%) and a lower temperature (60 degrees C). The isolated yields of the aldehydes achieved 63-98% within 12 h. (C) 2015 Elsevier BY. All rights reserved.
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