二{氧合—二[2—呋喃甲酸二苄基锡（IV）]}的合成、性质及晶体结构

以二苄基氧化锡和2-呋喃基羧酸反应，合成了新的化合物二[氧合-二[2—呋喃甲酸二苄基锡(IV)]}．生物活性测试结果表明，该配合物具有较强的体外抗癌活性．X射线单晶衍射测定表明，配合物是以Sn2O2四元环为中心的、中心对称的二聚体结构，内环锡为六配位的畸变八面体结构，外环锡为五配位的加帽畸变三角双锥结构．     

Synthesis, Characterization and Properties of Organotin Complexes Dibutyltin（Ⅳ） Bis（heteroaromatic carboxylate） and Crystal Structure of Dibutyltin（Ⅳ） Bis（2-thiazolylcarboxylate）

The six organotin complexes dibutyltin(IV) bis(heteroaromatic carboxylate) were synthesized by the reaction of (n‐Bu)2SnO with heteroaromatic carboxylic acid in 1:2 molar ratio. These complexes have been characterized by elemental analysis, IR, ¹H, ¹³C and ¹¹⁹Sn NMR. The crystal structure of dibutyltin(IV) bis(2‐thiazolylcarboxylate) was determined by X‐ray single crystal diffraction. This compound is a weakly bridged dimer through weak interaction Sn···O between molecules. The tin atoms took six‐coordinate skew‐trapezoidal bipyramidal geometry. The crystal of complex 3 belongs to monoclinic symmetry with space group P2₁/c, a=1.863(2) nm, b=2.220(3) nm, c=1.0395(10) nm, β=90.275(16)°, Z=8, V=4.292(8) nm³, D_c=1.514 Mg/m³, μ=1.406 mm^‐1, F(000)=1968, S=0.999, R=0.0549, wR=0.1011.     

三苯基锡硫代苯甲酸酯的合成、性质和晶体结构

用三苯基氯化锡与硫代苯甲酸在三乙胺存在下反应，合成了三苯基锡硫代苯甲 酸酯，并进行了红外光谱及核磁共振氢谱表征。X射线单晶衍射表明，化合物属正 交晶系，空间群P2_12_12_1，晶胞参数：a = 0.8306(3) nm, b = 1.6906(5) nm, c = 3.1459(10)) nm, V = 4.417(2) nm~3, Z = 8, D_c = 1.465 g/cm~3, R_1 = 0.0472, wR_2 = 0.1012。该化合物的晶体是由孤立的分子所组成，四配位的锡 原子呈畸变的四面体构型，配体羧基上的氧原子和锡原子之间存在弱的配位作用。     

Synthesis, Spectroscopic Properties and Structural Characterization of Tri（o-chlorobenzyl）tin Ester of 4-Pyridinecarboxylic Acid

The tri(2-chlorobenzyl)tin(IV) complex with 4-pyridinylcarboxylate ligand tri(o-chlorobenzyl)tin ester of 4-pyridinecarboxylic acid has been synthesized by the reaction of tri(2-chlorobenzyl)tin(Ⅳ) chloride with 4-pyridinyl carboxylic acid and characterized by elemental analysis, IR and ^1HNMR, and its crystal structure was determined by X-ray single-crystal diffraction.     

梯形结构有机锡化合物二{氧合-二[2-吡啶甲酸二丁基锡(IV)]}的合成、性质和晶体结构

用二丁基氧化锡与 2 吡啶甲酸反应 ,合成了二 {氧合 -二 [2 吡啶甲酸二丁基锡 (IV) ] },并进行了元素分析、红外光谱、核磁共振锡谱表征 .X射线单晶衍射分析表明 ,化合物是以Sn2 O2 四面体为中心的 ,中心对称的二聚体结构 ,内环锡为五配位的畸变三角双锥构型 ,外环锡为六配位的畸变八面体结构 .生物活性测试结果表明 ,该配合物具有较强的体外抗癌活性 .     

Synthesis, Properties and Crystal Structure of Seven-coordinated Organotin Complex [~nBu_2Sn(OOCC_5H_4N-2)_2(H_2O)]

ＩｎｔｒｏｄｕｃｔｉｏｎＯｒｇａｎｏｔｉｎ(ＩＶ)ｄｅｒｉｖａｔｉｖｅｓｏｆｃａｒｂｏｘｙｌｉｃａｃｉｄｗｅｒｅｅｘｔｅｎｓｉｖｅｌｙｓｔｕｄｉｅｄｄｕｅｔｏｔｈｅｉｒｂｉｏｌｏｇｉｃａｌａｃｔｉｖｉｔｉｅｓ .1 5Ｉｎｒｅｃｅｎｔｙｅａｒｓｍｏｒｅａｎｄｍｏｒｅｒｅｐｏｒｔｓｏｎｔｈｅｓｙｎｔｈｅｓｉｓ ,ａｎｔｉ ｔｕｍｏｕｒａｃｔｉｖｉｔｉｅｓ ,ｂｉｏｃｉｄａｌａｃｔｉｖｉｔｉｅｓ ,ａｎｔｉｂｉｏｔｉｃａｃｔｉｖｉｔｉｅｓａｎｄｓｔｒｕｃｔｕｒａｌｅｌｕｃｉｄａｔｉｏｎｏｆｖａｒｉｏｕｓｏｒｇａｎ…     

Synthesis and Crystal Structure of a Two-dimensional Cobalt Complex with 5-Tert-butyl Isophthalic Acid

The self-assembly of Co(OAc)·4H2O with H2tbip and bipy (H2tbip = 5-tert-butyl isophthalic acid, bipy = 4,4'-bipyridine) generates one new complex, [Co3(tbip)2(Htbip)2(bipy)]n, which has been characterized by elemental analysis, X-ray diffraction, and IR spectroscopy. Single-crystal X-ray analysis reveals that it crystallizes in the triclinic space group P1 with a = 9.471(6), b = 12.597(8), c = 12.899(8), α = 84.660(7), β = 70.548(7), γ = 81.965(7)o, V = 1435.1(15)3, Mr = 1215.85, Dc = 1.407 g/cm3, Z = 1, F(000) = 629, μ(MoKα) = 0.926 mm-1, the final R = 0.0623 and wR = 0.1724. The complex consists of a tbip bridged trinuclear cobalt() unit and is further linked by 4,4'-bipyridine molecule to form a 2D supramolecular network.     

Synthesis, Spectroscopic Properties and Crystal Structures of Dibenzyltin（IV） Dithiobenzoate and Chlorodibenzyltin（IV） Thiobenzoate

Two dibenzyltin(IV) complexes with thiobenzoate ligand, (PhCH2)2Sn(SOCPh)2 (1) and (PhCH2)2Sn(C1)SOCPh (2), have been synthesized by the reaction of dibenzyltin(IV) dichloride with thiobenzoic acid in the presence of organic base Et3N and characterized by IR, ^1H NMR spectroscopy and elemental analysis. Their crystal structures were determined by X-ray single crystal diffraction analysis. In the crystals of 1, the tin atom is six-coordinated in a distorted octahedron configuration. In the crystals of 2, the molecular packing in unit cell reveals that the two adjacent molecules are symmetrically linked to each other to form a dimer with intermolecular Sn…C1 distances of 0.3591 (2) nm and the tin atom is five-coordinated in a distorted trigonal bipyramid configuration.     

二(2-吡啶甲酸)二苯基锡(Ⅳ)配合物的合成及晶体结构

The complex (2-pyridinecarboxylato)₂diphenyltin(Ⅳ) was synthesized by the reaction of 2-pyridinecarboxylic acids with the diphenyltin(Ⅳ) oxide. The crystal structure was determined by X-ray diffraction. The crystal belongs to monoclinic with space group P2₁/n， a=1.46504(19)nm， b=1.01225(13)nm， c=1.45406(19)nm， β=94.849(2)°， Z=4， R₁=0.0285， wR₂=0.0672. In this complex， the tin atom rendered six-coordinate in a distorted octahedron geometry. Each central tin atom is surrounded equatorial by two oxygen atoms coming from two carboxyl groups， one nitrogen atom coming from pyridinyl group and one carbon atom of the penyl group and axially by one carbon atom of the phenyl group and one nitrogen atom coming from pyridinyl group. CCDC： 180021.     

Synthesis, Spectroscopic Properties and Crystal Structural Characterization of a Triphenyltin(Ⅳ) Complex with 5-Bromonicotinic Acid

A novel organotin complex [Ph3Sn(C2H5OH)(OCOC5H3NBr)SnPh3(OCOC5H3NBr)]has been synthesized by the reaction of 5-bromonicotinic acid with triphenyltin hydroxide in ethanol and characterized by elemental analysis, IR and 1H NMR. The crystal structure was determined by X-ray single-crystal diffraction. The crystal belongs to the monoclinic system, space group P21/c with a = 15.564(2), b = 24.975(4), c = 12.2973(19) (A), β = 92.224(2)°, Z = 4, V = 4776.5(13) (A)3, Dc = 1.596g/cm3, μ(MoKα) = 2.765 mm-1, F(000) = 2264, R = 0.0385 and wR = 0.0667. In the molecular structure of the title complex, the tin atoms are five-coordinated in a trigonal bipyramidal geometry.     

有机锡配合物[(o-Cl-PhCH2)2Sn(OCOC9H6N)2]·2(C6H6)的合成和晶体结构研究

0引言某些有机锡羧酸酯化合物具有杀虫、杀菌和抗癌活性,引起人们极大的兴趣[1~3]。近年来的研究结果表明,该类化合物中心锡原子的配位形式既决定于与锡原子直接相连的烃基的结构,也与配体的类型有关,尤其是含有孤电子对的杂环酸的引入,导致了许多新型结构有机锡化合物的产生[4     

Synthesis and Crystal Structure of Bis[（2,6—pyridinedicar—boxylato）（methanol）dibenzyltion（Ⅳ）]

A novel seven‐coordinate dimer bis[(2,6‐pyridinedicarboxylato)(methanol)dibenzyltin(IV)] was synthesized by the reaction of (PhCH₂)₃SnCl with 2,6‐pyridine dicarboxylic acid in 1:1 molar ratio in methanol solution. The structure was characterized by elemental analysis, IR and ¹H NMR spectra, and the crystal structure was determined by X‐ray single crystal diffraction analysis. The crystal belongs to monoclinic space group P2₁/n, a =0.96250(19) nm, b = 1.0947(2) nm, c = 1.9965(4) nm, β = 92.31(3)°, Z = 2, V = 2.1019(7) nm³, D_c = 1.574 g/cm³, μ = 1.248 mm^?1, F(000)=1000, R₁ = 0.0675, wR₂ = 0.0836. In the crystals of the complex, each tin atom is seven‐coordinated in a distorted bipyramidal structure.     

二正丁基锡水杨醛缩对氨基苯甲酸酯配合物的合成、表征及结构研究

The title complex {[ⁿBu₂Sn(2-OHC₆H₄CH=NC₆H₄COO)]₂O}₂·2H₂O was synthesized by the reaction of N-(4-carboxyphenyl)-salicylideneimine with dibutyltin(IV) oxide in 1∶1 molar ratio. The compound has been characterized by elemental analysis, IR, ¹H NMR spectra and X-ray single crystal diffraction. It crystallizes in triclinic system with space group P1. The crystal data are: a=1.242 9(2) nm, b=1.261 3(2) nm, c=1.594 9(3) nm, α=102.06(2)°, β=92.884(3)°, γ=95.939(3)°, Z=2, D_c=1.342 g·cm^-3, F(000)=1 000, V=2.425 2(7) nm³, R₁=0.041 5, wR₂=0.104 4. The compound is in centro-symmetric dimer structure mode with a four-member central endo-cyclic Sn₂O₂ unit in which the bridging oxygen atoms are tri-coordinated. All the tin atoms are five-coordinated with geometry of distorted trigonal bipyramid. CCDC:286105.     

Synthesis and Crystal Structure of a One-dimensional Infinite Chain Organotin Complex [(n-Bu)_3Sn(OCOC_5H_4NO)]_n

1 INTRODUCTION Organotin esters of carboxylic acid are widely used as biocides and fungicides and as homogeneous cata- lysts in industry[1~3]. In recent years, the pharmaceu- tical properties of carboxylic acid have been investi- gated for the antitumour activity[4~6]. In general, bio- cidcal activities of organotin complexes are greatly influenced by the molecular structures and coordina- tion numbers of the tin atom[7, 8]. It is revealed that organotin complexes containing carboxylate l…     

Synthesis and Crystal Structure of Bis[(2,6-pyridinedicarboxylato)(methanol)dibenzyltin(IV)]

ＩｎｔｒｏｄｕｃｔｉｏｎＤｉｏｒｇａｎｏｔｉｎｄｅｒｉｖａｔｉｖｅｓｏｆ 2 ,6 ｐｙｒｉｄｉｎｅｄｉｃａｒｂｏｘｙｌｉｃａｃｉｄｅｘｈｉｂｉｔｈｉｇｈｉｎｖｉｔｒｏａｎｔｉｔｕｍｏｕｒａｃｔｉｖｉｔｉｅｓ .1 5Ｔｈｅｓｅｃｏｍｐｏｕｎｄｓｈａｖｅｂｅｅｎｓｙｎｔｈｅｓｉｚｅｄｂｙｔｈｅｒｅａｃｔｉｏｎｏｆｄｉｏｒｇａｎｏｔｉｎｄｉｃｈｌｏｒｉｄｅｓｏｒｄｉｏｒｇａｎｏｔｉｎｏｘｉｄｅｓｗｉｔｈ 2 ,6 ｐｙｒｉｄｉｎｅｄｉｃａｒｂｏｘｙｌｉｃａｃｉｄ ,ｂｕｔｔｈｅｒｅａｃｔｉｏｎｂｅｔｗｅｅｎｔｒｉ …     

三苯基锡N-(5-氯亚水杨基)-α-氨基酸酯的合成及结构表征

利用三苯基氯化锡和现场生成的5-氯水杨醛缩-α-氨基酸钾反应合成了6种三苯基锡N-(5-氯亚水杨基)-α-氨基酸酯1～6, 通过元素分析、IR和NMR对其结构进行了表征. 利用X射线单晶衍射测定了三苯基锡N-(5-氯亚水杨基)缬氨酸酯(3)和三苯基锡N-(5-氯亚水杨基)异亮氨酸酯(5)的晶体结构. 结果表明锡原子是五配位的, 通过单齿羧基氧原子和相邻分子的酚氧原子对锡的配位形成了具有反式-O₂SnC₃三角双锥结构的一维链状聚合物.     

三邻氯苄基锡-2-吲哚甲酸酯的合成、谱学性质和晶体结构(英)

The tri(o-chlorobenzyl)tin ester of 2-indolylcarboxylic acid has been synthesized and characterized by elemental analysis, IR and 1H NMR. The crystal structure has been determined by X-ray single crystal diffraction. The crystal belongs to triclinic with space group P1, a=1.020 0(16) nm, b=1.125 9(18) nm, c=1.321(2) nm, α=83.10(2)°, β=67.597(18)°, γ=84.83(2)°, Z=2, V=1.391(4) nm³, D_x=1.565 Mg·m^-3, μ=1.235 mm^-1, F(000)=656, R=0.049 2, wR=0.131 4. In this compound, the central tin atom is rendered four-coordinated in a tetrahedral structure. The resulting structure is a monomer containing Sn-O bond length of 0.205 4(4) nm. CCDC: 236286.     

双核铜(Ⅰ)配合物的合成、晶体结构与性质研究

本文合成了1个新的铜双核配合物[(CuI)(PMN)]2.2CH3CN(PMN=2、4-二氨基-5-氯苯基-6-乙基嘧啶),并且通过元素分析、红外、荧光、热重和单晶X-射线进行了表征。该配合物属三斜晶系,空间群P1,a=0.8100(16)nm,b=0.96950(19)nm,c=1.2049(2)nm,α=97.88(3)°,β=93.31(3)°,γ=94.14(3)°,V=0.933 8(3)nm3,Z=1,R=0.037 1。在配合物中,每个Cu(Ⅰ)离子与PMN配体的1个N原子和2个I原子配位,展示出三角几何构型。相邻的2个Cu(Ⅰ)离子通过碘原子相连形成双核铜配合物,并进一步通过氢键和I…I作用形成三维网状结构。     

一维链状三正丁基锡2,4-二氯苯氧乙酸酯的合成、结构和电化学性质研究

<正>有机锡化合物因具有抗癌活性和杀菌、杀螨作用,以及结构特点多变、反应性丰富,近年来引起了人们的高度关注,已合成出许多结构新颖和性能特殊的有机锡化合物[1-4]。研究发现,有机锡化合物中,中心锡原子的配位形式取决于与锡原子直接相连的