二(对氯苄基)锡双吗啉氨荒酸酯和二(对氯苄基)氯化锡N,N-二乙基氨荒酸酯的合成、表征及晶体结构

利用二(对氯苄基)二氯化锡和吗啉氨荒酸钠、N,N-二乙基氨荒酸钠反应,合成了二(对氯苄基)锡双吗啉氨荒酸酯C24H28Cl2N2O2S4Sn (Mr = 694.31) 1和二(对氯苄基)氯化锡N,N-二乙基氨荒酸酯C19H22Cl3NS2Sn (Mr = 553.54) 2。用X-射线单晶衍射测定了这2个化合物的晶体结构,测试结果表明:化合物1的晶体为单斜晶系,空间群C2/c, a = 21.998(9), b = 6.469(3), c = 20.204(8) ,β= 94.444(6)o , Z = 4, V = 2866.3(19) 3, Dc = 1.609 g/cm3, μ(MoKα) = 1.394 mm-1, F(000) = 1400,S = 0.955, (?)max = 0.000,R = 0.0389, wR = 0.0817。化合物2的晶体为单斜晶系,空间群P21/c, a = 13.088(10), b = 9.304(7), c = 19.593(14) ,β = 107.158(10)o, Z = 4, V = 2280(3) 3, Dc = 1.613 g/cm3,μ(MoKα) = 1.660 mm-1, F(000) = 1104,S = 1.010, (?)max = 0.001,R = 0.0290, wR = 0.0651。在化合物1中,锡原子呈六配位畸变八面体构型, 化合物2的锡原子则是五配位畸变三角双锥构型。     

二苄基锡N,N-二甲基氨荒酸酯的合成及晶体结构

利用二苄基二氯化锡和N, N-二甲基氨荒酸钠反应, 合成了二苄基锡N, N-二甲基氨荒酸酯(C20H26N2S4Sn, Mr = 541.36)。通过元素分析、红外光谱、核磁共振氢谱和质谱对其结构进行了表征。用X-射线单晶衍射测定了该化合物的晶体结构。化合物为单斜晶系, 空间群P21/n, a = 1.3926(5), b = 0.9832(4), c = 1.7080(7) nm, b = 103.541(6), V = 2.274(2) nm3, Z = 4, Dc = 1.581 g/cm3, m(MoKa) = 1.500 mm-1, F(000) = 1096, R = 0.0482, wR = 0.1162. 在化合物的晶体中, 锡原子为六配位的畸变八面体构型。     

二[N,N-(1,5-亚戊基)氨荒酸]二氯化锡和二(对氟苄基)氯化锡N,N-(1,5-亚戊基)氨荒酸酯的合成、表征及晶体结构

合成了二[N,N-(1,5-亚戊基)氨荒酸]二氯化锡和二(对氟苄基)氯化锡N,N-(1,5-亚戊基)氨荒酸酯.用X射线单晶衍射测定了这两个化合物的晶体结构.化合物1为单斜晶系,空间群P21, a=0.8635(5) nm, b=0.8842(5) nm, c=1.2942(7) nm, β=102.177(9)°, Z=2, V=0.9659(9) nm3, Dc=1.719 g/cm3, μ=2.024 mm-1, R=0.0428, wR=0.0918.化合物2正交晶系,空间群Pbca, a=1.3616(13) nm, b=1.1679(11) nm, c=2.7603(3)nm, Z=8, V=4.389(7) nm3, Dc=1.612 g/cm3, μ=1.498 mm-1, R=0.0355, wR=0.0887.在化合物1中,锡原子呈六配位畸变八面体构型,化合物2的锡原子呈五配位畸变三角双锥构型.     

三(对氟苄基)氯化锡和三(对氟苄基)锡N,N-(1,4-亚丁基)氨荒酸酯的合成及晶体结构

合成了三(对氟苄基)氯化锡(1)和三(对氟苄基)锡N,N-(1,4-亚丁基)氨荒酸酯(2).通过元素分析、红外光谱和核磁共振氢谱对其结构进行了表征.用X射线单晶衍射测定了这两个化合物的晶体结构.化合物1为单斜晶系,空间群P21, a=0.8403(3) nm, b=0.5958(2) nm, c=2.0016(8) nm, β=97.052(6)°, Z=2, V=0.9945(7) nm3, Dc=1.608 g/cm3, μ=1.447 mm-1, R1=0.0397, wR2=0.0813.化合物2为单斜晶系,空间群P21/n, a=0.8786(9) nm, b=1.993(2) nm, c=1.5039(15) nm, β=103.548(15)°, Z=4, V=2.560(4) nm3, Dc=1.537 g/cm3, μ=1.197 mm-1, R1=0.0363, wR2=0.0796. 在1的晶体中,锡原子呈四配位畸变四面体构型;2的晶体中,锡原子则是五配位畸变三角双锥构型.     

三苄基锡哌啶氨荒酸酯和二苄基锡双哌啶氨荒酸酯合成及晶体结构

利用三苄基氯化锡，二苄基二氯化锡和哌啶氨荒酸钠反应，合成了三苄基锡哌 啶氨荒酸酯（1）和二苄基锡双哌啶氨荒酸酯（2）。通过元素分析、红外光谱、核 磁共振氢谱和质谱对其结构进行了表征。用X-射线单晶衍射测定了这两个化合物的 晶体结构。化合物1为三斜晶系，空间群P-1，a=1.0271(2)nm,b=1.1131(2)nm,c=1. 2096(2)nm,α=75.56(3)°，β=81.09(3)°，γ=89.81(3)°，Z=2。化合物2为单 斜晶系，空间群P21/c,a=0.9710(3),b=2.436(1),c=1.2393(3)nm,β=90.28(2)°， Z=4。在1的晶体中， 锡原子呈五配位畸变三角双锥构型；2的晶体则是六配位的畸 变八面体构型。     

二(o-溴苄基)锡双(二乙基二硫代氨基甲酸)酯和二(o-氯苄基)锡双(吡咯啶二硫代氨基甲酸)酯的合成、结构及体外抗癌活性研究

二(o-溴苄基)二溴化锡和二(o-氯苄基)二氯化锡分别与N,N-二乙基二硫代氨基甲酸钠和吡咯啶二硫代氨基甲酸钠反应,合成了二(o-溴苄基)锡双(二乙基二硫代氨基甲酸)酯(1)和二(o-氯苄基)锡双(吡咯啶二硫代氨基甲酸)酯(2)。用X-射线单晶衍射测定了两个化合物的晶体结构,测试结果表明:化合物1的晶体为单斜晶系,空间群P21/c,晶体学参数a=1.827 36(4)nm,b=0.900 60(2)nm,c=1.988 41(5)nm,β=114.878 0(10)°,V=2.968 71(12)nm3,Z=4,Dc=1.690 g·cm-3,μ(Mo Kα)=38.50 cm-1,F(000)=1 496,R1=0.051 6,wR2=0.154 6。化合物2的晶体为单斜晶系,空间群C2/c,晶体学参数a=2.241 28(4)nm,b=0.818 78(2)nm,c=1.542 69(3)nm,β=106.787 0(10)°,V=2.710 37(10)nm3,Z=4,Dc=1.623 g·cm-3,μ(Mo Kα)=14.65 cm-1,F(000)=1 336,R1=0.022 9,wR2=0.056 5。晶体中锡原子呈六配位畸变八面体构型。对其结构进行量子化学从头计算,探讨了配合物的稳定性、分子轨道能量以及部分前沿分子轨道的组成特征。测定了配合物的热稳定性和体外抗癌活性。     

具有S…S和S…Cl作用的一维链状有机锡化合物－－氯代二苄基锡呱嗪单荒酸酯的合成、表征及晶体结构

利用二苄基二氯化锡和哌嗪单荒酸盐反应，合成了氯代二苄基锡哌嗪单荒酸酯 。通过元素分析、红外光谱和核磁共振氢谱对其结构进行了表征，并用X射线单晶 衍射测定了晶体结构。该化合物属于单斜晶系，空间群为P21，a=0.63635(10nm, b=1.6167(3)nm,c=0.87641(14)nm,β=95.673(2)°,Z=2,V=1.0594(3)nm^3,Dc=1. 560g/cm^3,μ=1.534mm^-1,F(000)=500,R=0.0277,wR=0.0706[I≥2σ(I)]。化合物 中，锡原子五配位畸变三角双锥构型，分子间通过S…S和S…Cl近距作用，形成一 维链状结构。     

弱桥联二聚体氯代二苄基锡二甲基氨荒酸酯的合成、 表征及晶体结构

利用二苄基二氯化锡和二甲基氨荒酸盐反应,合成了氯代二苄基锡二甲基氨荒酸酯。通过元素分析、红外光谱和核磁共振氢谱对其结构进行了表征。用X-射线单晶衍射测定了该化合物的晶体结构。它属于三斜晶系,空间群为P1,a=0.75750(15),b=1.0615(2),c=1.2059(2)nm,α=95.053(3)°,β=95.539(4)°,Υ=99.113(4)°,Z=2,V=0.9476(3)nm^3,Dx=1.600g/cm^3,μ=1.705mm^-^1,F(000)=456,R1=0.0409,wR2=0.1194[I≥2σ(I)]。分子中锡原子的配位数为5,形成一个严重扭曲的三角双锥构型,并且化合物以弱桥联二聚体存在。     

二苄基N,N-二甲基荒酸锡的合成及晶体结构研究

用二苄基二氯化锡与N,N-二甲基荒酸钠反应合成了化合物(PhCH2)2Sn[S2CN(CH3)2]2,通过X-射线确定了其晶体结构,晶胞参数为单斜晶系,空间群P21/n,a=13.926(5), b=9.832(4), c=17.080(7),β=103.541(6)°, V=2273.7(15)3, Z=4.     

三(3,5-二氟苄基)氯化锡和四(邻氯苄基)锡的合成、晶体结构及量子化学

3,5-二氟苄基氯和邻氯基苄基氯在适当的溶剂中与锡粉反应,合成了三(3,5-二氟苄基)氯化锡(1)和四(邻氯苄基)锡(2),经X射线衍射方法测定了新化合物的晶体结构。化合物1属单斜晶系,空间群为C2/c,晶体学参数:a=1.858 33(11)nm,b=1.140 98(7)nm,c=2.690 06(16)nm,β=109.288(10)°,V=5.383 6(6)nm3,Z=8,Dc=1.532 g·cm~(-3),μ(Mo Kα)=13.61 cm~(-1),F(000)=2 480,R1=0.085 1,wR~2=0.168 1。化合物2属单斜晶系,空间群为P21/m,晶体学参数:a=0.585 54(5)nm,b=1.969 74(18)nm,c=0.857 86(8)nm,β=95.204 0(10)°,V=0.985 34(15)nm3,Z=2,Dc=1.805 g·cm~(-3),μ(Mo Kα)=14.91 cm-1,F(000)=524,R1=0.054 0,wR_2=0.163 9;中心锡原子为畸变四面体构型。对其结构进行量子化学从头计算,探讨了化合物的稳定性、分子轨道能量以及部分前沿分子轨道的组成特征。测定了化合物的热稳定性。     

Syntheses and Crystal Structures of Two Mononuclear Tin（IV） Complexes Derivedfrom Sn（edt）2 （edt = Ethane-1,2-dithiolate）

1INTRODUCTIONRecentlythedesignandsynthesisoftinsulfide-basedsolidstatematerialshasreceivedmuchattentionowningtotheirinterestingoptical,catalyticandelectricalpropertiesfordeviceappli-cations[1].Becauseoftheversatilecoordinationcharacteristicsoftinandsulfur…     

Synthesis and Crystal Structure of Tetrakis（4—methylpyridine）bis（μ4—pentathio）—tetracopper（Ⅰ）（4—methylpyridine）solvate

1 INTRODUCTION An interesting aspect in the studies of copper-sulfur coordination chemistry is the apparent tendency of Cu(Ⅰ) ions to form various clusters with sulfur ligands. The coordination chemistry of Cu(Ⅰ) has been studied extensively owing to the importance of Cu(Ⅰ) in biological systems and copper-sulfur bonds detected in some metallopro- teins[1]. More recently, remarkably rich photoluminescence properties have been found in the tetranuclear complexes[2～5] and the cage-ty…     

Synthesis, Structure and Characterization of Bis(ethylene-1,2-dithiolate)(μ2-di-2-pyridyl-ketone p-phenyldiamine-N,N'')-tin(IV) Dichloromethane

A new mononuclear tin(IV) complex [Sn(edt)2L]·CH2Cl2 (edt = ethane-1,2-dithio- late, L = di-2-pyridyl-ketone p-phenyldiamine) was obtained by a one-pot reaction which involves in situ formation of a new Schiff-base ligand L. The title compound (C22H24Cl2N4S4Sn) crystallizes in monoclinic, space group P21/n with a = 13.438(1), b = 12.2657(10), c = 17.1477(13) (A), β = 99.323(1)o, V = 2789.1(4) (A)3, Z = 4, Mr = 662.28, Dc = 1.577g/cm3, F(000) = 1328, μ = 1.426 mm(1, the final R = 0.0450 and wR = 0.1077 for 3868 observed reflections (I > 2σ(I)). In the title compound, Sn4+ ion is six-coordinated with four sulfur atoms of two edt ligands and two nitrogen atoms of the ligand di-2-pyridyl-ketone p-phenyldiamine to form a highly distorted octahedron.     

Syntheses and Crystal Structures of Bis-[oxo-bis(p-ferrocenylbenzoxy di-n-propyltin)](I) and Bis[oxo-bis(β-ferrocenoylpropionyloxy di-n-propyltin )](II)

1 INTRODUCTION The studies of organotin compounds are of current interest owing to their wide range of applications such as biocides and thermal stabilizers for PVC plastic etc. Besides, the pharmaceutical properties such as the antitumor activities of organotin carboxylates have been investigated[1, 2]. In recent years, reports of synthesis and structural elucidation of various organotin carboxylic esters have appeared, revealing various new structural possibilities[3]. Since Kealy an…     

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…     

Structure and Thermal Properties of Transition Metal Imidazole Chloride

1 INTRODUCTION Imidazole is of considerable interest as a ligand in many biological systems, in which it provides a potential binding site for the metal ions[1]. Imidazole itself is a unidentate ligand and forms complexes with the metal ions through its tertiary nitrogen atoms. It has been reported that a large number of imidazole derivatives possess diverse pharmaco- logical effects, including antiinflammatory, antimi- crobial, antimalarial and antitumor activities[2]. To our knowledge…     

1-苯基-3-甲基-4-(6-氢-4-甲基氨基-5-硫杂-2,3-吡嗪)-吡唑啉酮的合成与晶体结构

通过1-苯基-3-甲基-4-氯乙酰基-吡唑啉酮-5 (PMCP) 和4-甲基氨基硫脲 (MTSC) 缩合, 形成了一种新的双杂环化合物 (PMCP-MTSC)。利用元素分析与单晶X-射线衍射进行了表征。 该化合物(C14H15N5OS)属单斜晶系, P21 空间群, 晶体学参数为 a = 7.634(1), b = 11.639(2), c = 8.150(2) ? ?= 98.13(1), V = 716.9(2) ?, Z = 2, Dc = 1.396 g/cm3, (MoKa) = 0.232 mm-1, F(000) = 316, Mr = 301.37。结构由直接法解出,共收集3114个衍射点,其中I > 2(I)的独立衍射点有2453个,用全矩阵最小二乘法修正,最终偏离因子:R = 0.0294, wR = 0.0738。结构分析表明: 该化合物以酮式存在,分子间通过氢键作用(N(5)H…O)连接起来并形成一维链状结构。     

Crystal Structure and Biological Activities of (R)-N''-[2-(4-Methoxy-6-chloro)-pyrimidinyl]-N-[3-methyl-2-(4-chlorophenyl)butyryl]-urea

The title compound (R)-N'-[2-(4-methoxy-6-chloro)-pyrimidyl]-N-[3-methyl-2-(4-chlorophenyl)butyryl]-urea has been synthesized, and its crystal structure and biological behaviors were studied. Crystallographic data: C17H18Cl2N4O3, Mr = 397.25, monoclinic, space group P21/c, a = 12.331 (2), b = 14.025(3), c = 23.085(5) (A), β = 99.607(4)°, Z = 8, V = 3936.2(13) (A)3, Dc = 1.341 g/cm3, F(000) = 1648, R = 0.0718, wR = 0.1585 and μ(MoKα) = 0.353 mm-1. The preliminary biological tests showed that the title compound has definite insecticidal and fungicidal activities.     

Syntheses, Spectroscopic Properties and Crystal Structures of （2-Cl-C6H4CH2）3SnS2CN（C5H10） and （2-Cl-C6H4CH2）3SnS2CN（C4H9N）

1 INTRODUCTION The chemistry of organotin(IV) complexes was extensively studied due to their biological activity and coordination chemistry[1～7]. More recently, phar- maceutical properties of alkyltin(IV) complexes with dithiocarbamate ligands have bee…