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Self‐Assembled Two‐Dimensional Water‐Soluble Dipicolinate Cu/Na Coordination Polymer: Structural Features and Catalytic Activity for the Mild Peroxidative Oxidation of Cycloalkanes in Acid‐Free Medium
Author(s) -
Kirillova Marina V.,
Kirillov Alexander M.,
Guedes da Silva M. Fátima C.,
Pombeiro Armando J. L.
Publication year - 2008
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.200800355
Subject(s) - chemistry , aqueous solution , catalysis , inorganic chemistry , supramolecular chemistry , coordination polymer , copper , hydrogen bond , cyclohexane , polymer chemistry , crystal structure , molecule , organic chemistry
The new water‐soluble 2D Cu/Na coordination polymer [Cu(μ‐dipic) 2 {Na 2 (μ‐H 2 O) 4 }] n · 2 n H 2 O ( 1 ) has been synthesized by self‐assembly in aqueous medium from copper(II) nitrate, dipicolinic acid (H 2 dipic) and sodium hydroxide in the presence of triethanolamine. It has been characterized by IR spectroscopy, FAB + ‐MS, elemental and single‐crystal X‐ray diffraction analyses, the latter featuring a layered 2D metal–organic structure that is extended to a 3D supramolecular assembly by extensive hydrogen bonding between adjacent layers and involving crystallization water molecules. Compound 1 has been shown to act as a catalyst precursor for the peroxidative oxidation of cyclohexane and cyclopentane to the corresponding cyclic ketones and alcohols by aqueous H 2 O 2 in MeCN solution and in the absence of acid additives.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008)
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