Synthesis, Crystal Structure and Properties of 2,7-Bis [4-（diphenylamino）phenyl] fluorene

A novel fluorene derivative containing triphenylamine groups, 2,7-bis[4-(diphenylamino)-phenyl]fluorene (C49H36N2 , Mr= 652.80), was synthesized via Suzuki coupling reaction (yield: 19%) and its crystal structure was determined by single-crystal X-ray diffraction. It crystallizes in triclinic, space group P1 with a = 9.320(4), b = 11.250(6), c = 17.369(6) , α = 88.035(3), β = 86.450(5), γ = 73.524(5)°, V = 1742.8(13) 3 , Z = 2, Dc = 1.244 g/cm 3 , μ(MoKα) = 0.072 mm -1 , F(000) = 688, S = 1.095, the final R = 0.0616 and wR = 0.1878. It presents a linear framework constituted by a linkage of fluorene as a bridge and two triphenylamine groups. Its spectral and electrochemical properties were studied by UV-Vis absorption, fluorescence spectroscopy and cyclic voltammetry (CV). This compound can emit intense blue fluorescence with a peak wavelength of 446 nm and a full width at half maximum (FWHM) of 38 nm under UV excitation at 350 nm in film. The highest occupied molecular orbital (HOMO) energy level, the lowest unoccupied molecular orbital (LUMO) energy level and optical band gap (Eg) of the title compound are -5.46, -2.57 and 2.89 eV, respectively.     

Synthesis and Crystal Structure of 2-[（2-Chloropyridin-4-yl）oxy]-3,3-diphenyl-3-methoxypropionic Acid

The title compound was synthesized and its crystal structure was determined by single-crystal X-ray diffraction.The crystal is of orthorhombic system(C21H18ClNO4,Mr = 383.81),space group Pca21 with a = 13.913(3),b = 10.273(2),c = 26.488(5),V = 3786.1(13) 3,Z = 8,Dc = 1.347 g/cm3,F(000) = 1600,μ = 0.228 mm-1,the final R = 0.0550 and wR = 0.1278 for 5065 observed reflections(I > 2σ(I)).The title compound in a racemic form was found to exist as a mixture of two enantiomers in an equal ratio in the unit cell.The intermolecular hydrogen bonds link the molecules in a head-to-end manner to generate an infinite chain.     

Synthesis and Crystal Structure of 3,6-Bis（4-methyl-1,2,3-thiadiazol-5-yl）-1,2,4-triazolo[3,4-b][1,3,4]thiadiazole

The compound 3,6-bis(4-methyl-1,2,3-thiadiazol-5-yl)-1,2,4-triazolo[3,4-b][1,3,4] thiadiazole(C9H6N8S3,Mr = 322.40) has been synthesized by the reaction of 4-amino-3-(4-methyl-1,2,3-thiadiazolyl)-5-mercapto-1,2,4-triazole with 4-methyl-1,2,3-thiadiazol-5-carboxylic acid and phosphorus oxychloride,and its structure was characterized by IR,1H NMR,EI-MS,elemental analysis and single-crystal X-ray diffraction.The crystal of the title compound belongs to monoclinic,space group C2/c with a = 2.0053(4),b = 1.3081(3),c = 1.0556(2) nm,β = 112.69(3)°,Z = 4,V = 2.5548(9) nm3,Dc = 1.676 g/cm3,μ = 0.582 mm-1,F(000) = 1312,R = 0.0546 and wR = 0.1523.X-ray analysis indicates that all rings are essentially planar in this molecule,and an intermolecular hydrogen bond C(9)-H(9)…N(2) and weak intramolecular interactions between S(1)…N(7),S(3)…N(1) and S(2)…N(4) are observed.     

Synthesis and Crystal Structure of N-phenyl-N-[（o-nitrophenylacetyl）oxy]benzamide

The compound N-phenyl-N-[（o-nitrophenylacetyl）oxy]benzamide （C21HI6N2Os, Mr = 376） has been synthesized by the reaction of N-hydroxy-N-phenylbenzamide with 2-（2-nitro- phenyl）acetyl chloride in dichlorom-ethane and its structure Was characterized by 1H NMR, 13C NMR, IR, H RMS（ESI） and single-crystal X-ray diffraction. The crystal of the title compound belongs to monoclinic, space group C2/c with a = 32.30（2）, b = 8.400（5）, c = 15.099（9） A, fl = 114.256（10）°, V = 3735（4） A3, Z = 8, D, = 1.339 g/cm3, F（000） = 1568, p = 0.097 mm-1, the final R = 0.0506 and wR = 0.1176 for 2318 observed reflections （1 〉 2a（/））. The title molecule contains three branched chains with its center placed at the midpoint of N. The phenyl ring （C（1）＇-C（6）） makes a dihedral angle of 70.3（1）° with the phenyl ring （C（10）-C（15）） of benzoyl group, and 14.3（1）° with the phenyl ring （C（16） - C（21））, Hydrogen bonds C（5）-H（5）...O（1） and C（12）-H（12）...O（3） together with it-Jr stacking interactions contribute to the stability of the structure.     

Synthesis and Crystal Structure of 2-tert-Butyl-5-（4-tert-butylbenzylthio）- 4-chloropyridazin-3 （2H） -one

IntroductionPyridazinone compounds show widespread biologi-cal activities[1—3], many of them have been developedand used as fungicides and acaricides[4,5]. Pyridaben isa novel pyridazinone derivative that shows acaricide andinsecticide properties and was…     

Synthesis and Crystal Structure of Ethyl 1-（2-bromoethyl）-3-（4-meth-oxyphenyl）-1H-pyrazole-5-carboxylate

The title compound ethyl 1-(2-bromoethyl)-3-(4-methoxyphenyl)-1H-pyrazole-5-carboxylate 1 has been synthesized and structurally characterized by single-crystal X-ray diffraction.The crystal is of monoclinic(C15H17BrN2O3,Mr = 353.22),space group C21 with a = 24.691(7),b = 6.7678(17),c = 17.884(5) ,β = 97.184(5)o,V = 2965.1(13) 3,Z = 8,Dc = 1.583 g.cm-3,F(000) = 1440,μ = 2.784 mm-1,the final R = 0.0260 and wR = 0.0596 for 2684 observed reflections with I > 2σ(I).All the carbon atoms in the molecule are nearly coplanar except C(15),with a large conjugated system among the carbonyl group,pyrazole ring and the benzene ring.Three non-classical intermolecular hydrogen bonds help to stabilize the crystal lattice.The regioselectivity was rationalized based on the coordination of potassium ion with the N-anion and the carbonyl oxygen atom.     

Synthesis and Crystal Structure of 2-（ 4-Decarboxydehydroabietyl）- 5-p-tolyl-[ 1,3,4 ]-oxadiazole

2-（4-Decarboxydehydroabietyl）-5-p-toyl-[1,3,4]-oxadiazole, C28H34N2O, has been synthesized and characterized by IR, NMR, elemental analysis and single-crystal X-ray diffraction method. The crystal belongs to the orthorhombic system, space group P212121 with a = 6.1351（5）, b = 14.8495（19）, c = 25.9050（2） A, V = 2360.0（4） A3, Z = 4, Mr = 414.57, Dc = 1.167 Mg/m^3, 2 = 0.71073 A,μ（MoKa） = 0.070 mm^-1, F（000） = 896, the final R = 0.0452 and wR = 0.1076 for 1647 observed reflections with I 〉 2σ（I）. There are five rings in the crystal structure of the title compound, but the oxadiazole ring is non-coplanar with the benzene ring D.     

Synthesis,Bioactivity and Crystal Structure Analysis of Diisopropyl[（4-cyanopyrazol-3-ylamino）（2-hydroxyl-phenyl） methyl]phosphonate

The title compound,diisopropyl[(4-cyanopyrazol-3-ylamino)(2-hydroxylphenyl) -methyl] phosphonate was synthesized by the addition reaction of diisopropyl phosphite and N-(4-cyanopyrazole-3-yl) -2-hydroxylphenyl-imine. Its structure was characterized by IR,1H NMR,elemental analysis and single-crystal X-ray diffraction. The crystal belongs to the triclinic system,space group P1 with a = 9.1840(13) ,b = 9.2278(13),c = 12.1952(17) ,α = 93.846(2) ,β = 90.947(2) ,γ = 111.289(2) °,V = 959.9(3) 3,Dc = 1.309 g/cm3,Z = 2,μ(MoKa) = 0.173,F(000) = 400,the final R = 0.0414 and wR = 0.1196 for 2985 observed reflections(I > 2σ(I)) . The pyrazole and benzene moieties are approximately coplanar in each case. The dihedral angle between planes 1 and 2 is 82.99°. The crystal structure is stabilized by three intermolecular hydrogen bonds of O(1) -H(1) …O(2) ,N(2) -H(2) …N(3) and N(2) -H(2) …O(1) . Preliminary bioassay indicated that the title compound possessed antiviral activity to some extent.     

Synthesis and Crystal Structure of 5,17-Diformyl-11,23-di（tert-butyl）25,26,27,28-tetrapropoxy-calix[4]arene

The title compound 5,17-diformyl-11,23-di（tert-butyl）-25,26,27,28-tetrapropoxycalix[4]arene has been synthesized by selective formylation of 5,11,17,23-tetra（tert-butyl）25,26,27,28-tetrahydroxycalix[4]arene in three steps and characterized by1H NMR and X-ray single-crystal diffraction.The crystal belongs to the monoclinic system,space group C2/c with a = 25.760（3）,b = 10.9952（10）,c = 18.630（2）,β = 119.985（4）°,V = 4570.4（9）3,Z = 4,Dc = 1.106 g/cm3,Mr = 761.01,F（000） = 1648,μ = 0.071 mm-1,MoKa radiation（λ = 0.71073）,R = 0.0710 and wR = 0.2411 for 3234 observed reflections with I 2σ（I）.X-ray analysis reveals that the title compound adopts a pinched cone conformation which leads to an open cavity.Intermolecular C–H O weak interactions link the molecules along the bc plane,which are effective in the stabilization of the crystal structure.     

Synthesis and Crystal Structure of N-[2-（4-Chlorophenyl）-1-（1-methylcarbamoyl-2-phenyl-ethylcarbamoyl）-3-phenyl-cyclopropyl]-benzamide

N-[2-(4-chlorophenyl)-1-(1-methylcarbamoyl-2-phenyl-ethylcarbamoyl)-3-phenyl-cyclopropyl]benzamide,C33H30ClN3O3,has been synthesized and characterized by IR,1H NMR,13C NMR and single-crystal X-ray diffraction.The crystal is of triclinic,space group P1 with a = 11.646(2),b = 13.795(3),c = 14.559(3),α = 76.422(4),β = 78.028(4),γ = 74.500(4)°,V = 2164.6(7)3,Z = 3,Mr = 552.05,Dc = 1.270 g/cm3,λ = 0.71073 ,μ(MoKα)= 0.171 mm–1,F(000)= 870,the final R = 0.0469 and wR = 0.0805 for 5554 observed reflections with I > 2σ(I).The N–H and oxygen atoms are involved in one-dimensional intermolecular hydrogen bonds,which further stabilize the structure.     

Crystal Structure of 1，5－Bis（Ts），1，5－diaza－13－crown－4（Ts＝p－methylphenylsulfonyl）

ＣｒｙｓｔａｌＳｔｒｕｃｔｕｒｅｏｆ１，５－Ｂｉｓ（Ｔｓ），１，５－ｄｉａｚａ－１３－ｃｒｏｗｎ－４（Ｔｓ＝ｐ－ｍｅｔｈｙｌｐｈｅｎｙｌｓｕｌｆｏｎｙｌ）ＭａｏＪｉａｎｇ－Ｇａｏ（ＦｕｊｉａｎＩｎｓｔｉｔｕｔｅｏｆＲｅｓｅａｒｃｈｏｎｔｈｅＳｔｒｕｃ...     

镉－硫氰酸根与铵－苯并15－冠－5配合物的合成与结构研究

用凝胶法生长了标题配合物［ＮＨ_４（Ｂ１５Ｃ５）_２］［Ｃｄ（ＳＣＮ）_３］的晶体，并对其进行了红外光谱，元素分析等各项物理性质的测试。经Ｘ射线单晶结构分析得到了配合物的全部晶体学数据：Ｍ_ｒ＝８４１．３１，正交晶系，空间群Ｐ２_１２_１２_１，晶胞常数ａ＝１０．９７０（３），ｂ＝２１．８３４（３），ｃ＝１５．５６３（４），Ｖ＝３７２７（３），Ｚ＝４，Ｄ_ｘ＝１．５０ｇ／ｃｍ￣３，Ｆ（０００）＝１７３６，μ＝７．０９ｃｍ￣（－１），Ｒ＝０．０７０，Ｒ_ｗ＝０．０６３。结构分析结果表明，配阳离子［ＮＨ_４（Ｂ１５Ｃ５）_２］￣＋和配阴离子［Ｃｄ（ＳＣＮ）_３］￣－间靠静电力结合成配合物。     

Synthesis and Crystal Structure of 13-Phenyl-1,10- dithia-4,7-dioxa-13-aza-15-Crown-5

1　ＩＮＴＲＯＤＵＣＴＩＯＮＣｒｏｗｎａｎｄａｚａｃｒｏｗｎｅｔｈｅｒｈａｖｅｂｅｅｎｕｓｅｄｗｉｄｅｌｙａｓｈｏｓｔｓｆｏｒｒｅｃｏｇｎｉｚｉｎｇｇｕｅｓｔｍｅｔａｌｉｏｎｓ.[1～ 4] Ｔｈｉａｃｒｏｗｎｅｔｈｅｒｓｉｎｃｏｒｐｏｒａｔｉｎｇｏｎｌｙｓｕｌｆｕｒａｔｏｍｓｉｎｒｉｎｇａｌｓｏｈａｖｅｂｅｅｎｓｔｕｄｉｅｄａｓｅｘｔｒａｃｔｉｎｇｒｅａｇｅｎｔｓｆｏｒｓｏｍｅｓｏｆｔｍｅｔａｌｉｏｎｓ.[5] Ｏｎ ｌｙｆｅｗｓｔｕｄｉｅｓｏｎｍｉｘｅｄ ｄｏｎｏｒｃｒｏｗｎｅｔｈｅｒｃｏｎｔａｉｎ ｉｎｇ…     

〔NH_4（15－C－5）_2〕〔Cd_2（SCN）_5〕配合物的晶体和分子结构

用凝胶法合成了标题化合物［ＮＨ４（１５－Ｃ－５）２］［Ｃｄ２（ＳＣＮ）５］（１５－Ｃ－５＝Ｃ１０Ｈ２０Ｏ５）的晶体，并对其进行了红外光谱、元素分析等各项物理性质的测试，并经Ｘ射线单晶结构分析得到了配合物的全部晶体学数据：Ｍｒ＝９７３．７８，正交晶系，空间群Ｐｎｍａ，晶胞参数ａ＝１０．５０７（１）Ａ，ｂ＝１６．５８４（２）Ａ，ｃ＝２３．４９４（２）Ａ，Ｖ＝４０９３．８（３）Ａ３，Ｚ＝４，Ｄｃ＝２．５８０ｇ／ｃｍ３，μ＝１３．３１ｃｍ（－１），Ｆ（０００）＝１９６８，Ｒ＝０．０７０，Ｒω＝０．０８５。结构分析结果表明，配阳离子是由一个ＮＨ４＋和两个１５－Ｃ－５组成的，ＮＨ４＋没有进入１５－Ｃ－５空腔内，而是位于两个１５－Ｃ－５之间，呈夹心结构；配阴离子是以［Ｃｄ２（ＳＣＮ）５］为单元的阴离子长键，其中一组ＳＣＮ－被四个Ｃｄ离子共享，其余两组ＳＣＮ－被两个Ｃｄ离子共享，呈变形八面体构型。配阳离子［ＮＨ４（１５－Ｃ５）２］＋和配阴离子［Ｃｄ２（ＳＣＮ）５］－间靠静电力结合成配合物晶体。     

Synthesis and Crystal Structure of Calix[4]arene Bearing a 1,8-Bis（propoxy）anthracene-9,10-dione

The title complex （C50H44C14O8） was synthesized and structurally determined by single-crystal X-ray diffraction method. It crystallizes in monoclinic, space group P21/n with a = 19.7768（4）, b =10.2085（2）, c = 21.2721（4）A,β= 97.153（1）°, V = 4261.23（14）A^3, Z = 4, Mr = 914.65, F（000） = 1904, Dc = 1.426 g/cm^3,μ = 0.336, the final R = 0.0550 and wR = 0.1647. The compound was structurally characterized by IR and ^1H NMR. The molecules are stacked through C-H...π interactions and intermolecular C-H...O hydrogen bonds.     

Synthesis and Crystal Structure of 1,4-Bis(2-hydroxymethylphenyl)-1,4-dioxabutane

1 INTRODUCTION Macrocyclic ligands and their metal complexes have received much attention due to their applications in ion transport, ion separation and as models in biomimic researches[1~7]. The synthetic methods of macrocyclic ligands and their metal complexes are mainly divided into three kinds[8]. The first one is synthesizing free ligand, then forming the metal complexes; the second is template synthesis; and the third is synthesizing the end-off or side-off precursor ligand, then c…     

Cation-π Interactions. Synthesis and Crystal Structure of Palladium Complex: [K(DB18C6)]2[Pd(SCN)4]

A novel Pd(II)-dibenzo-18-crown-6 (DB18C6) complex [K(DB18C6)]2[Pd(SCN)4] has been isolated and characterized by X-ray diffraction analysis. In the solid state, it displays a quasi-one-dimensional infinite chain of two [K(DB18C6)] + complex cations and a [Pd(SCN)4]2- anion bridged by K+-p interactions between adjacent [K(DB18C6)] + units.     

零维和一维钒氧簇合物的水热合成及晶体结构

利用水热合成方法制备了一个零维钒氧簇合物,一个一维链状钒氧簇合物。并 通过X射线单晶衍射方法进行了结构表征,两个化合物的晶体学数据为：[Na-15-C- 5]_4(H)_2V_(15)O_(36)Cl(H_2O)_2 (1),空间群为C2/c(No.15),a = 2.8492(1) nm,b = 1.4842(3) nm,c = 2.3741(1) nm,β= 12.411(1)°,V = 8.3126(7) nm~3,Z = 4,R = 0.0558,R_w = 0.0988;[K-18-C-6]_4(H)_2V_(15)O_(36)Cl (2),空间群C2/c(No.15),a = 2.5588(1) nm,v = 1.4921(1) nm,c = 2.7113 (2) nm,β= 117.90(2)°,V = 9.148(1) nm~3,Z = 4,R = 0.0540,R_w 0. 1485。在一维链状化合物中含有阳离子的二聚体[K-18-crown-6]_2~(2+)作为桥连 链结,结构分析说明配位阳离子的几何变形性对结构有较大的影响。