Crystal structure of an alkoxide bridged dinuclear copper(II) complex: mild and selective oxidation of primary and secondary alcohols in water

ÜNVER H.

TRANSITION METAL CHEMISTRY, vol.43, no.7, pp.641-646, 2018 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 43 Issue: 7
  • Publication Date: 2018
  • Doi Number: 10.1007/s11243-018-0252-2
  • Journal Name: TRANSITION METAL CHEMISTRY
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.641-646
  • Anadolu University Affiliated: Yes

Abstract

A water-soluble dinuclear Cu(II) complex, [Cu-2(OOCC6H4Br)(OCH3)(C10H8N2)(2)(ClO4)(2)] (4-bromobenzoic acid = HOOC-C6H4Br; 2-2'-bipyridyl = C10H8N2) was synthesized and characterized by X-ray crystallography. The complex was investigated as a selective catalyst for the mild oxidation of primary and secondary alcohols in the presence of hydrogen peroxide as oxidant at 70 degrees C in water. The complex proved to be an active catalyst for production of the corresponding aldehydes or ketones. Thus, cinnamyl alcohol, benzyl alcohol, 1-phenyl ethanol and 2-butanol were quantitatively oxidized in 6 h, using a low catalyst loading (1 mol%).