A distinct tetradentate N_2O_2-type ligand: (o-Carboranyl)bis(2-hydroxymethyl)pyridine

Di Salvo F.; Teixidor F.; Vi?as C.; Giner Planas J.

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A distinct tetradentate N_2O_2-type ligand: (o-Carboranyl)bis(2-hydroxymethyl)pyridine

机译：独特的四齿N_2O_2型配体：（邻-碳硼烷基）双（2-羟甲基）吡啶

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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 {N_2O_2} binding pockets. An unprecedented octahedral Co~(II) complex [CoCl_2(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 N_2O_2-ligand affording the complex as a racemic mixture of cis-α Δ-[CoCl_2(~(RR)anti-oCB(hmpH)_2)] and Λ-[CoCl_2(~(SS)anti-oCB(hmpH)_2)]. The new ligand oCB(hmpH)_2 appears to be suitable for producing a variety of new chiral-at-metal complexes.

机译：一种新的手性外消旋配体（邻-甲氧烷基）双（2-羟甲基）吡啶oCB（hmpH）_2，由中央邻-甲氧烷单元组成，其中两个臂从簇状碳中放射出，每个臂含2-吡啶基甲基醇螯合臂，提供两个可能的双齿{NO}或一个四齿{N_2O_2}结合口袋。在有氧条件下获得了前所未有的八面体Co〜（II）配合物[CoCl_2（anti-oCB（hmpH）_2）]，并通过X射线晶体学，IR和NMR谱进行了表征。四齿N_2O_2-配体提供的复合物为顺式-αΔ-[CoCl_2（〜（RR）anti-oCB（hmpH）_2）]和Λ-[CoCl_2（〜（SS）anti-oCB（hmpH）_2）的外消旋混合物）]。新的配体oCB（hmpH）_2似乎适合生产各种新的手性金属配合物。

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来源
《Zeitschrift fur Anorganische und Allgemeine Chemie》 |2013年第7期|共5页
作者
Di Salvo F.; Teixidor F.; Vi?as C.; Giner Planas J.;
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正文语种 eng
中图分类化学;
关键词
Boron clusters; Carboranylalcohols; Chiral ligands; Cobalt; Self-assembly;

机译：硼簇;碳硼烷醇;手性配体;钴;自组装;

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专利

1. A distinct tetradentate N_2O_2-type ligand: (o-Carboranyl)bis(2-hydroxymethyl)pyridine [J] . Di Salvo F., Teixidor F., Vi?as C., Zeitschrift fur Anorganische und Allgemeine Chemie . 2013,第7期

机译：独特的四齿N_2O_2型配体：（邻-碳硼烷基）双（2-羟甲基）吡啶
2. Synthesis and properties of a monomeric and a #mu#-oxo-bridged dimeric iron(III) complex with a tetradentate pyridine amide in-plane ligand. X-ray structure of [Fe(bpc)Cl(DMF)] [H_2bpc = 4,5-dichloro-1,2-bis(pyridine-2-carboxamido)benzene] [J] . Apurba Kumar Patra, Rabindranath Mukherjee Polyhedron: The International Journal for Inorganic and Organometallic Chemistry . 1999,第8a9期

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3. Synthesis and characterization of novel iron(II) complexes with tetradentate bis(N-heterocyclic carbene)-bis(pyridine) (NCCN) ligands [J] . Raba A., Cokoja M., Ewald S., Organometallics . 2012,第7期

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机译：镧系元素复合物的圆偏振发光，基于甲状腺肿或Tris-β-二酮和肾上巴（恶唑啉基）吡啶配体
5. Nitrate Reduction by Low-Valent Chromium Complexes Enhanced by Redox-Active Bis(Pyrazolyl)Pyridine Pincer Type Ligand [D] . Seo, Jung Hee 2018

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机译：四齿席夫碱配体2-（（E）-（2-（2-（2-吡啶-2-基）-乙硫基）乙基亚氨基）甲基）-4-溴苯酚的锌（II）和镉（II）配合物的制备PytBrsalH）
7. Synthesis, structures and properties of ironIII complexes with (o-carboranyl)bis-(2-hydroxymethyl)pyridine: Racemic versus meso [O] . Min Ying Tsang, Francesc Teixidor, Clara Viñas, 2016

机译：用（O-碳硼酰基）双 - （2-羟甲基）吡啶的合成，结构和性质（O-碳硼酰基）吡啶：外消旋与中索

A distinct tetradentate N_2O_2-type ligand: (o-Carboranyl)bis(2-hydroxymethyl)pyridine

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