A Distinct Tetradentate N2O2-type Ligand: (o-Carboranyl)bis(2-hydroxymethyl)pyridine

被引：7
|
作者：
Di Salvo, Florencia [1 ]
Teixidor, Francesc [1 ]
Vinas, Clara [1 ]
Giner Planas, Jose [1 ]
机构：
[1] CSIC, ICMAB, Inst Ciencia Mat Barcelona, Bellaterra 08193, Spain
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2013年 / 639卷 / 07期
关键词：
Carboranylalcohols; Chiral ligands; Boron clusters; Cobalt; Self-assembly; CARBORANYL ALCOHOLS; COMPLEXES; PYRIDINE; 2-(HYDROXYMETHYL)PYRIDINE; STRATEGIES; CHIRALITY; POLYMERS;
D O I：
10.1002/zaac.201300116
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A new chiral racemic ligand (o-carboranyl)bis(2-hydroxymethyl)pyridine oCB(hmpH)2, that is composed of a central o-carborane unit where two arms radiate out of the cluster carbons each one containing a 2-pyridylmethylalcohol chelating arms, provides two potentially bidentate {NO} or one tetradentate {N2O2} binding pockets. An unprecedented octahedral CoII complex [CoCl2(anti-oCB(hmpH)2] was obtained under aerobic conditions and characterized by X-ray crystallography as well as IR and NMR spectroscopy. anti-oCB(hmpH)2 acts as a tetradentate N2O2-ligand affording the complex as a racemic mixture of cis- -[CoCl2(RRanti-oCB(hmpH)2)] and -[CoCl2(SSanti-oCB(hmpH)2)]. The new ligand oCB(hmpH)2 appears to be suitable for producing a variety of new chiral-at-metal complexes.
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收藏
页码：1194 / 1198
页数：5
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