Dioxomolybdenum(VI) complexes with amino acid functionalized N-salicylidene hydrazides:: Synthesis, structure and catalytic activity

被引:81
作者
Mancka, Manjola [1 ]
Plass, Winfried [1 ]
机构
[1] Univ Jena, Lehrstuhl Anorgan Chem 2, Inst Anorgan & Analyt Chem, D-07745 Jena, Germany
关键词
dioxomolybdenum complex; N-salicylidene hydrazides; amino acids; crystal structure; hydrogen bonding interaction; oxidation catalysis; sulfoxidation;
D O I
10.1016/j.inoche.2007.02.029
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A cis-dioxomolybdenum(VI) complex with an amino acid functionalized hydrazone ligand derived from salicylaldehyde and Boc-protected beta-alanine hydrazide (Boc = t-butyloxycarbonyl) has been synthesized. The X-ray crystal structure reveals a distorted octahedral geometry at the molybdenum atom with an O5N donor set and vast hydrogen bonding interactions including the amino acid side chain of the ligand. The new cis-dioxomolybdenum(VI) complex is an efficient catalyst for the peroxidic oxidation of sulfides, but does not show any activity towards the oxidation of bromide. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:677 / 680
页数:4
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