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A Novel Dumbbell-like Polyoxometalate Assembled of Copper(II)-Disubstituted Monovacant Keggin Polyoxoanions with a Tetranuclear Copper Cluster

  • Hao Miao (1742044)
  • Xiao Xu (112147)
  • Wei-Wei Ju (1825054)
  • Hong-Xiang Wan (1833229)
  • Yu Zhang (12946)
  • Dun-Ru Zhu (569080)
  • Yan Xu (14594)
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Publication date
March 2014
Icon DOI
10.1021/ic5000827.s001

Abstract

A dimeric Keggin polyoxometalate, [Cu­(bpy)­(μ<sub>2</sub>-OH)]<sub>4</sub>[(H<sub>2</sub>O)­(bpy)<sub>2</sub>HPW<sub>11</sub>Cu<sub>2</sub>O<sub>39</sub>]<sub>2</sub>·2CH<sub>3</sub>CH<sub>2</sub>OH·10H<sub>2</sub>O (<b>1</b>), constructed from two dicopper­(II)-substituted monovacant Keggin polyoxoanions bridged by a Cu<sub>4</sub> cluster, has been hydrothermally synthesized. Magnetic analysis indicates predominantly an antiferromagnetic interaction between copper­(II) centers. Compound <b>1</b> also shows very high catalytic activity for the esterification of phosphoric acid with equimolar lauryl alcohol to monoalkyl phosphate ester

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