Mono-aryltin(IV) and mono-benzyltin(IV) complexes with pyridine-2-carboxylic acid and 8-hydroxyquinoline. X-ray structure of p-chloro-phenyl-tris(8-quinolinato)tin(IV) centre dot 2CHCl_3

Markus Schurmann; Ralf Schmiedgen; Friedo Huber; Arturo Silvestri; Giuseppe Ruisi; Adriana Barbieri Paulsen; Renato Barbieri

首页> 外文期刊>Journal of Organometallic Chemistry >Mono-aryltin(IV) and mono-benzyltin(IV) complexes with pyridine-2-carboxylic acid and 8-hydroxyquinoline. X-ray structure of p-chloro-phenyl-tris(8-quinolinato)tin(IV) centre dot 2CHCl_3

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Mono-aryltin(IV) and mono-benzyltin(IV) complexes with pyridine-2-carboxylic acid and 8-hydroxyquinoline. X-ray structure of p-chloro-phenyl-tris(8-quinolinato)tin(IV) centre dot 2CHCl_3

机译：单芳基锡（IV）和单苄基锡（IV）与吡啶-2-羧酸和8-羟基喹啉的配合物。对氯苯基三（8-喹啉基）锡（IV）中心点2CHCl_3的X射线结构

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Complexes RSn(O_2CPy)_3 centre dot 2H_2O and RSn (Ox)_3, (PyCOOH = pyridine-2-carboxylic acid, HOx = 8-hydroxyquinoline, R = O - and p-Tolyl, o-and p-ClC_6H_4 = o-and p-ClPh, o-ClC_6H_4CH_2 = o-ClBenzyl; besides, R = Ph in RSn (Ox)_3) have been synthesized and characterized by elemental analysis and determination of molecular weights in CHCl_3 solutions. The structure of p-ClPh Sn (Ox)_3 centre dot 2CHCl_3 has been determined by X-ray diffractometry. The 7-coordinated tin atom of the monomeric compound is in the center of a pentagonal bipyramid formed by (p-ClPh)C and O and N atoms of the chelating Ox~- ligands. The latter type of structure would hold for all complexes according to ~(119)Sn Mossbauer (including the determination of the dynamics of ~(119) Sn nuclei) and IR spectroscopy in the solid state; the ligand ~-O_2CPy appears to chelate Sn through one oxygen atom of the -COO~- group and the N atom, although the occurrence of one chelating and two monodentate PyCO_2~- ligands (through -COO~-), and coordination by the H_2O molecules to Sn cannot be excluded. In CDCl_3 and CHCl_3 solutions, the persistence of the pentagonal bipyramidal species is assumed, in line with ~1H-, ~(13)C-, ~(119)Sn-NMR and UV-vis spectroscopic studies.

机译：络合物RSn（O_2CPy）_3中心点2H_2O和RSn（Ox）_3，（PyCOOH =吡啶-2-羧酸，HOx = 8-羟基喹啉，R = O-和对甲苯基，o-和p-ClC_6H_4 = o- p-ClPh，o-ClC_6H_4CH_2 =邻氯苄基;此外，通过元素分析和测定CHCl_3溶液中的分子量，合成并表征了RSn（Ox）_3中的R = Ph。 p-ClPh Sn（Ox）_3中心点2CHCl_3的结构已通过X射线衍射法确定。单体化合物的7位配位的锡原子位于由（p-ClPh）C和螯合的Ox--配体的O和N原子形成的五边形双锥体的中心。根据〜（119）Sn Mossbauer（包括〜（119）Sn核动力学的测定）和固态红外光谱，后一种类型的结构适用于所有配合物。配体〜-O_2CPy似乎通过-COO〜-基团的一个氧原子和N原子螯合Sn，尽管发生了一种螯合和两个单齿PyCO_2〜-配体（通过-COO〜-），并且通过Sn的H_2O分子不能排除。在CDCl_3和CHCl_3溶液中，根据〜1H-，〜（13）C-，〜（119）Sn-NMR和UV-vis光谱学研究，假定了五角双锥体物种的持久性。

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来源
《Journal of Organometallic Chemistry》 |1999年第1期|共15页
作者
Markus Schurmann; Ralf Schmiedgen; Friedo Huber; Arturo Silvestri; Giuseppe Ruisi; Adriana Barbieri Paulsen; Renato Barbieri;
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正文语种 eng
中图分类有机化学;
关键词
tin; pyridyl-2-carboxylic acid; 8-hydroxyquinoline; X-ray structure;

机译：锡;吡啶-2-羧酸;8-羟基喹啉;X射线结构;

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Mono-aryltin(IV) and mono-benzyltin(IV) complexes with pyridine-2-carboxylic acid and 8-hydroxyquinoline. X-ray structure of p-chloro-phenyl-tris(8-quinolinato)tin(IV) centre dot 2CHCl_3

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