Synthesis and Crystal Structure of （S）-Ethyl-2-（2-methoxy-phenylsulfenamido）-3-（1H-indol-3-yl）propanoate

With an aim to discover novel AHAS inhibitors,the title compound (S)-ethyl-2(2-methoxy-phenylsulfenamido)-3-(1H-indol-3-yl)propanoate (C 21 H 22 N 2 O 4 S,M r=398.47) has been synthesized and its crystal structure was determined by single-crystal X-ray diffraction analysis.The crystal belongs to orthorhombic,space group P2 1 2 1 2 1 with a=8.078(2),b=12.824(4),c=18.788(6),V=1946.2(10) 3,Z=4,F(000)=840,D c=1.360 mg/m 3,μ=0.197 mm-1,the final R=0.0433 and wR=0.1035 for 3075 observed reflections with I > 2σ(Ⅰ).The absolute structure Flack parameter X of this compound is 0.00(8).A total of 14375 reflections were collected,of which 3431 were independent (R int=0.0437).X-ray analysis reveals that the crystal structure involves two intermolecular N-H···O and one N-H···S intermolecular hydrogen bonds with the neighboring molecules.The crystal structure was compared with our previously reported (S)-methyl 2-(4-R-phenylsulfonamido)-3-(1H-indol-3-yl)propanoate (R=H(1) and Cl(2)),which provided some useful information of these compounds.     

Hydrothermal Synthesis and Crystal Structure of a New Polyoxovanadate:[Mn(en)_3]_2en_(0.5)[HV_8~ⅤV_8~ⅣO_(38)(Cl)]·4.5H_2O(en=Ethylenediamine)

A new compound has been synthesized under hydrothermal conditions and characterized by IR,elemental analysis,XPS and single-crystal X-ray diffraction analysis. The title compound [Mn(en)3]2en0.5[HV16O38(Cl)]·4.5H2O crystallizes in monoclinic,space group C2/c,with a=17.016(4),b=18.858(4),c=18.872(4),β=93.667(4)o,V=6043(2)3,Z=4,Dc=2.242 g/cm3,Mr=2040.12,F(000)=4020,μ=2.895 mm-1,Rint=0.0921,R=0.0649 and wR=0.1325. Single-crystal X-ray structure analysis indicates that the title compound consists of a polyanion [HV8VV8IVO38(Cl)]4-cage,two [Mn(en)3]22+ cations,four and a half lattice waters and a half ethylenediamine. In addition,intermolecular O-H···N,O-H···O,N-H···O and C-H···O hydrogen bonds link the molecules together to form a three-dimensional structure.     

Synthesis and Crystal Structure of a Luminescent Compound 5-（1H-benzoimidazol-2-yl）- 3H-[ 1,2,3 ] triazole-4-carboxylic Acid

The title compound, 5-(1H-benzoimidazol-2-yl)-3H-[1,2,3]triazole-4-carboxylic acid (C10H7N5O2·C3H7NO, Mr=302.30), has been synthesized and characterized by FT-IR and ESI-MS, 1 H-NMR spectroscopy and X-ray single-crystal diffraction. Crystal structure of the title compound was grown from DMF by slow diffusion at room temperature. Crystal data: orthorhombic structure, space group Pna21 with a=6.9635(3), b=19.4398(7), c=30.6165(12), V=4144.5(3)3, Z=12, Dc=1.454 g/cm 3, μ(MoKα)=0.108 mm-1, and F(000)=1896. The structure was refined to R=0.0450 and wR=0.0975 for 3578 observed reflections with I>2σ(I). The intermolecular hydrogen bonds and π-π stacking further stabilize the structure.     

Synthesis and Crystal Structure of 2-Amino-4- chloro-5-（4-methylbenzyl）-6-methylpyrimidine

The title compound 2-amino-4-chloro-5-(4-methylbenzyl)-6-methylpyrimidine (C26H28Cl2N6, Mr = 495.44) has been synthesized and its crystal structure was determined by single-crystal X-ray diffraction analysis. The crystal belongs to monoclinic, space group P21/c with a = 14.892(7), b = 6.129(3), c = 14.889(7) , β = 109.795(8)°, V = 1278.7(10) 3, Z = 2, F(000) = 520, Dc = 1.287 g/cm3, μ = 0.280 mm-1, the final R = 0.0577 and wR = 0.1589 for 1357 observed reflections with I > 2σ(I). A total of 6091 reflections were collected, of which 2257 were independent (Rint = 0.033). The X-ray analysis reveals that the chlorine atom and methyl of the title compound are disordered.     

Crystal Structure of a Hexanuclear Silver(Ⅰ) Compound [Ag_6L_6~6]·4DMF and Luminescence Discussion of a Series of Silver(Ⅰ) Clusters

A new silver(Ⅰ) compound 6 ([Ag6L66]·4DMF) containing thiosemicarbazone with the group of 2-chloro-1-benzene was synthesized and structurally characterized by single-crystal X-ray diffraction, elemental analysis and fluorescence spectrum. The title compound 6 crystallizes in monoclinic, space group C2/c with a = 26.9236(18), b = 15.2553(8), c = 24.6237(13) , β = 103.0680(10)°, V = 9851.7(10)3, C58H66Ag6Cl6N20O3S6, Mr = 2143.59, Dc = 1.445 g/cm3, μ(MoKα) = 1.503 mm-1, F(000) = 4232, Z = 4, the final R = 0.0565 and wR = 0.1654 for 5831 observed reflections (Ⅰ > 2σ(Ⅰ)). Similar to the structure of the compounds we have reported, compound 6 also exhibits a hexanuclear silver(Ⅰ) cluster. In the cluster, the S atom of ligand L6 (L6 = 2-chloro-1-benzaldehyde thiosemicarbazone) served as a triply bridged chelator to connect the six silver atoms into a Ag6L66 cluster. The luminescence property of compound 6 was investigated at room temperature and compared with other similar compounds in order to find the factors influencing their luminescent property.     

Hydrothermal Synthesis,Crystal Structure and Fluorescence Spectrum Studies of a Supramolecular Compound {[2-(2-Pyridyl)benzimidazoleH_2]~(2 )·[SbCl_5]~(2-)}_2

A new supramolecular compound,{[2-(2-pyridyl)benzimidazoleH2]2 ·[SbCl5]2-}2,was synthesized by the hydrothermal reaction of o-diaminobenzene,2-pyridinecarboxylic acid and SbCl3 in 1:1 HCl solution,and characterized by chemical analysis,elemental analysis,IR spectra,thermogravimetric analysis and fluorescence spectra. The crystal structure was deter-mined by X-ray single-crystal diffraction. The crystal belongs to the monoclinic system,space group P21/c,with a=16.0397(13),b=14.3189(12),c=15.6370(13),β=105.8980(10)°,V=3454.0(5)3,Z=4,C24H22Cl10N6Sb2,Mr=992.48,Dc=1.909 g/cm3,μ=2.366 mm-1,S=1.010,F(000)=1920,R=0.0254 and wR=0.0555. The coordination anion,[SbCl5]2-which is a distorted tetragonal pyramid,is composed by coordinating action with Sb3 ion and five adjacent chloride ions. Every four coordination anions of [SbCl5]2-form a biquaternion ring structure through the secondary bonding of Sb···Cl. Moreover,the compound adopts a three-dimensional network supramolecular structure because of the hydrogen bonds and π-π stacking between the rings and the 2-(2-pyridyl)benzimidazole divalent cations. The title compound also shows good fluorescent behaviors.     

Synthesis and Crystal Structure of a New Iron Complex with Cyclic Water Hexamers [Fe(CDTA)(H_2O)]·[Fe(1,10-phen)_3]·10H_2O·2OH

The title complex [Fe(CDTA)(H2O)]·[Fe(1,10-phen)3]·10H2O·2OH (CDTA = transcyclohexane-1,2-diamine-N,N,N,N′-tetraacetate) has been prepared and characterized by single-crystal X-ray diffraction analysis. The crystal adopts space group P with a = 12.793(4), b = 14.104(5), c = 17.880(5), V = 2792.2(1)3, Dc = 1.459 g/cm3, C50H66Fe2N8O21, Mr = 1226.81, F(000) = 1284, μ = 0.604 mm-1, Z = 2, R = 0.1055 and wR = 0.2581 for 8675 observed reflections (I > 2σ(I)). X-ray crystallography analysis exhibits that the title compound consists of two crystallographically independent molecules [Fe(CDTA)(H2O)] and [Fe(1,10-phen)3], and they are connected through O-H···O hydrogen bonds and π···π stacking interactions forming a 3D supramolecular structure. Interestingly, there is a cyclic water hexamer with chair conformation in this complex.     

Synthesis,Crystal Structure,and Biological Activity of Naphthalen-2-yl4-methyl-1,2,3-thiadiazole-5-carboxylate

The title compound naphthalen-2-yl-4-methyl-1,2,3-thiadiazole-5-carboxylate (C 14 H 10 N 2 O 2 S,M r=270.31) was synthesized by the reaction of 4-methyl-1,2,3-thiadiazole-5-carbonyl chloride with 2-naphthol,and its structure was characterized by IR,1 H NMR,high-resolution mass spectrometry and single-crystal X-ray diffraction.The crystal belongs to orthorhombic,space group Pbcn with a=23.475(5),b=9.6640(19),c=10.814(2),β=90.00°,Z=8,V=2453.2(9) 3,M r=270.30,D c=1.464 g/cm 3,μ=0.262 mm-1,F(000)=1120,R=0.0444 and wR=0.1099.X-ray analysis revealed that the thiadiazole and naphthalene rings were non-planar,while the thiadiazole ring and the ester group were essentially planar,and two intermolecular hydrogen bonds C(6) H(6)···O(1) and C(14) H(14)···O(1) were observed.The preliminary biological test showed that the title compound had antifungal and antivirus activities against tobacco mosaic virus.     

Synthesis and Crystal Structure of the Optical Activity of （Z）-Nitromethylene Neonicotinoid Analogue

A novel (Z)-nitromethylene neonicotinoid analogue (C23H27Cl2N5O4·2H2O) (II) with optical activity has been synthesized, the structure was characterized by elemental analysis, IR and 1H NMR spectra, and the (Z)-configuration was confirmed by single-crystal X-ray diffraction. The crystal belongs to triclinic, space group P1 with a = 7.4638(3), b = 12.6232(5), c = 15.2990(6), α = 71.907(1), β = 89.397(2), γ = 80.314(1)°, V = 1349.28(9)3, Z = 2, Dc = 1.340 g/cm3, μ = 0.286 mm-1, Mr = 544.43, F(000) = 572, S = 1.056, R = 0.0801 and wR = 0.2366 for 4998 unique reflections with 3012 observed ones (I > 2σ(I)). In the crystal, the dihedral angle between the pyridine and 4-Cl-phenyl rings is 58.13°. Intermolecular O–H···O, C–H···O and C–H···Cl hydrogen bonds involving water molecules stabilize the crystal structure.     

Synthesis and Crystal Structure of a Two-dimensional Cadmium Complex Based on Terephthalate and 1-Methyl-2,2'-bibenzimidazole

The title complex, Cd(MeHbibzim)(1,4-bdc)n (1, MeHbibzim = 1-methyl-2,2'- bibenzimidazole, 1,4-bdc = terephthalate), was synthesized with hydrothermal reactions. The compound crystallizes in monoclinic, space group C2/c with a = 9.822(4), b = 18.510(7), c = 22.372(9), β = 98.359(6)°, C23H16CdN4O4 , Mr = 524.81, V = 4024(3)3 , Z = 8, Dc = 1.733 g/cm3 , μ(MoKα) = 1.126 mm-1 , F(000) = 2096, the final R = 0.0597 and wR = 0.1374 for 3906 observed reflections (Ⅰ > 2σ(Ⅰ)). X-ray diffraction analysis reveals that the Cd atom is coordinated by two nitrogen atoms from the chelating MeHbibzim and three carboxyl oxygen atoms from three terephthalate ligands, thus forming a distorted square pyramidal coordination sphere, CdN2O3. Every two Cd atoms are linked together via two carboxyl groups into a dinuclear unit with Cd···Cd separation of 3.806(4). The dinuclear building units are linked by terephthalate ligands into two-dimensional layers, which are further aggregated into a 3D framework via hydrogen bonding interactions.     

Synthesis and Hydrogen-bonded Interpenetrating Grid Structure of 5,5＇-Bis [4- （2-hydroxyethyl）phenyl] diazo-dipyrromethane

A new 5,5'-bisdiazo-dipyrromethane compound 3 has been synthesized and cha- racterized. The crystal of 3 is of orthorhombic, space group Iba2 with a = 19.1914(17), b = 9.8396(8), c = 13.7643(12) , V = 2599.2(4)3, Z = 4, C29H34N6O2, Mr = 498.62, Dc = 1.274 g/cm3 , F(000) = 1064, μ(MoKα) = 0.083 mm-1, the final R = 0.0302 and wR = 0.0786 for 6361 observed reflections with I > 2σ(I), and R = 0.0320 and wR = 0.08006 for all data. It reveals that the molecules of compound 3 assemble into grid structures through a R22(7) type hydrogen bonding motif between azopyrrole and hydroxyl group. The grids interpenetrate each other with the assistance of C-H···π interaction.     

Synthesis, Crystal Structure and Thermal Properties of N,N′-Bis(5,5-dimethyl-2-phospha-2-thio-1,3-dioxan-2-yl) Ethylene Diamine

The title compound N,N′-bis(5,5-dimethyl-2-phospha-2-thio-1,3-dioxan-2-yl) ethylene diamine (DPTDEDA, C12H26N2O4P2S2) was synthesized by the reaction of neopentyl glycol, phosphorus thio-chloride and 1,2-ethylenediamine, and characterized by elemental analysis, IR and 1H NMR spectra. Its crystal structure was determined by single-crystal X-ray diffraction analysis and the thermal property was analyzed by TG analysis. The crystal structure belongs to monoclinic, space group P21/c, with a = 14.557(16), b = 11.299(12), c = 12.163(13) , β = 98.707(19)°, Dc = 1.305 g/cm3, Z = 4, λ = 0.71073 , μ(MoKα) = 0.447 mm-1, Mr = 388.41, V = 1977(4) 3, F(000) = 824, S = 1.107, the final R = 0.0478 and wR = 0.0810 for 1738 observed reflections (I > 2σ(I)). X-ray analysis reveals that the crystal structure is centrosymmetrically distributed through 1,2-ethylenediamine to join two distorted six-membered rings. The weak N–H···S interactions are observed and link the molecules into sheets. TG analysis shows that the title compound has good thermal stability and char-forming capability, which are required for an excellent intumescent fire retardant.     

Synthesis and Crystal Structure of Bis{2-bromo- 4-chloro-6-[（2-isopropylammonioethylimino）- methyl]phenolato}bisthiocyanatozinc（Ⅱ）

A Schiff base zinc(Ⅱ) complex [Zn(C12H16BrClN2O)2(NCS)2] was prepared and characterized by elemental analysis,IR and single-crystal X-ray diffraction. The crystal belongs to the triclinic system,space group P1 with a=8.414(1),b=9.124(1),c=22.212(3),α=79.177(2),β=86.296(2),γ=89.899(2)o,V=1671.3(4)3,Z=2,Dc=1.631 g/cm3,Mr=820.79,λ(MoKα)= 0.71073,μ=3.444 mm-1,F(000)=824,R=0.0646 and wR=0.1179. A total of 7371 unique reflections were collected,of which 3904 with I > 2σ(I) were observed. The complex crystallizes with two half-molecules per asymmetric unit and each mononuclear molecule is centrosymmetric. The Zn atom lying at the inversion centre is six-coordinated in a slightly distorted octahedral geometry by two phenolate O atoms and two imine N atoms from two Schiff base ligands,as well as two N atoms from two thiocyanate anions. In the crystal structure,the combination of π-π stacking interactions and intermolecular hydrogen bonds (N–H…Br,N–H…O,N–H…N,C–H…O,C–H…S and C–H…Cl) leads to a three-dimensional network.     

Synthesis,Crystal Structure and Bioactivity of N-（phenethylcarbamothioyl）cyclopent-1-enecarboxamide

The compound N-(phenethylcarbamothioyl)cyclopent-1-enecarboxamide was synthesized by the reaction of cyclopent-1-enecarbonyl isothiocyanate with phenethylamine in acetone, and its structure was characterized by IR, 1H NMR and X-ray crystal structure determination. The crystal of the title compound belongs to triclinic, space group P1 with a = 6.9500(7), b = 9.4618(9), c = 11.3256(11), α = 71.522(9), β = 81.830(8), γ = 89.237(8)o, Z = 2, V = 698.80(12)3, Dc = 1.304 g/cm3, μ = 0.225 mm-1, F(000) = 292, R = 0.0413 and wR = 0.1073 for 1996 observed reflections with I 2σ(I). Intramolecular N(2)–H(2)···O(1) interactions as well as intermolecular N(2)–H(2)···O(1), N(1)–H(1)···S(1) and C(12)–H(12)···S(1) hydrogen bonds help to stabilize the crystal structure. X-ray diffraction analysis reveals that the structure of the new compound exhibits a one-dimensional infinite chain-like structure. The cytotoxicity of the compound was investigated by MTT assay. The results show that the compound is toxic to A549 tumor cell.     

Synthesisand Crystal Structure of a Cu（II） Complex with Reduced Schiff-base N-（2-Hydroxybenzyl）-D,L-alanine and 4,4＇-Bipyridine

A new complex [Cu2(sala)2(H2O)2(4,4'-bipy)]·H2O (sala = N-(2-hydroxybenzyl)- D,L-alaninate, 4,4'-bipy = 4,4'-bipyridine) has been synthesized and characterized by elemental analysis, IR spectroscopy, thermogravimetric analysis and single-crystal X-ray diffraction. The complex crystallizes in monoclinic system, space group C2/c with a = 42.44(3), b = 10.416(8), c = 15.487(13), β = 97.455(14)o, C30H36Cu2N4O9, Mr = 723.71, V = 6789(9)3, Dc = 1.416 g/cm3, Z = 8, F(000) = 2992, μ(MoKα) = 1.308 mm-1, R = 0.0493 and wR = 0.1004 for 4878 observed reflections (I > 2σ(I)). Structural analysis shows that each copper(II) atom displays a distorted square-based pyramidal coordination geometry with two oxygen atoms and one nitrogen atom from one N-(2-hydroxybenzyl)-D,L-alaninate, one nitrogen atom from 4,4'-bipyridine ligand and one water molecule. 4,4'-Bipyridine ligand bridges two Cu(II) ions to form a dinuclear compound. The molecular structure is extended into a one-dimensional wavy chain through hydrogen bonds. These 1D chains are further expanded into 2D networks through hydrogen bonds.     

Synthesis and Crystal Structure of Diaquabis{2,4-dibromo-6-[(2-ethylaminoethylimino)methyl]-phenolato}nickel(Ⅱ) Dinitrate Diacetonitrile

The title mononuclear Schiff base nickel(Ⅱ) complex [Ni(C11H14Br2N2O)2(H2O)2]· 2NO3·2C2H3N was prepared and characterized by elemental analysis,IR spectrum,and single-crystal X-ray diffraction. The crystal belongs to the monoclinic system,space group P21/n with a=15.534(2),b=7.647(1),c=16.435(2),β=103.252(2)o,V=1900.3(4)3,Z=2,Dc=1.750 g/cm3,Mr=1000.99,λ(MoKα)=0.71073,μ=4.776 mm-1,F(000)=996,the final R=0.0368 and wR=0.0724. A total of 3988 unique reflections were collected,of which 2764 with I > 2σ(I) were observed. The complex consists of a mononuclear [Ni(C11H14Br2N2O)2(H2O)2]2+ cation,two nitrate anions and two acetonitrile molecules. The Ni atom,lying on the inversion centre,is six-coordinated by two Schiff bases and two water molecules to assume an octahedral coordination geometry. The molecules in the crystal are linked through intermolecular hydrogen bonds of N–H…O,N–H…Br,O–H…O,O–H…N and C–H…O to form layers.     

Synthesis and Crystal Structure of a Cobalt（Ⅱ） Complex with 2-（4＇-Chlorine-benzoyl）-benzoic Acid and 1,10-Phenanthroline

A new metal-organic complex Co2(cbba)4(phen)2(μ2-OH2)(H2cbba=2-(4'-chlorine-benzoyl)benzoic acid,phen=1,10-phenanthroline) 1 has been hydrothermally synthesized and struc-turally characterized by single-crystal X-ray diffraction,elemental analyses,TG and IR spectroscopy.The compound crystallizes in triclinic,space group P1 with a=10.7659(7),b=17.1856(11),c=19.2022(13),α=83.8120(10),β=84.9930(10),γ=87.2070(10)°,V=3515.8(4)3,C80H50Cl4Co2N4O13,Mr=1534.90,Dc=1.450 g/cm3,μ(MoKα)=0.693 mm-1,F(000)=1568,Z=2,the final R=0.0490 and wR=0.1092 for 8216 observed reflections(Ⅰ > 2σ(Ⅰ)).In the crystal structure,the cobalt atom is six-coordinated with three carboxylate oxygen atoms from three different cbba ligands,one oxygen atom from coordinated water molecule and two nitrogen atoms from phen ligand,showing a distorted octahedral geometry.Furthermore,it exhibits a 3D supramolecular network through π-π and hydrogen bonding interactions.     

An Unexpected Hydrolysis Product from Strobilurin Fungicide： Azoxystrobin

The hydrolysis reaction of azoxystrobin in a methanol solution was studied, obtaining a novel compound 3,3-dimethoxy-2-(2-(6-methoxy pyrimidin-4-yloxy)phenyl) propanoic acid. The hydrolysis reaction may be helpful to explaining the degradation mechanism of azoxystrobin in soil or plant, which is also a method for further study on metabolism in vitro. The crystal structure was confirmed by 1H NMR and MS and determined by single-crystal X-ray diffraction. The crystal belongs to the triclinic system, space group P1 with a = 8.5662(2), b = 10.5074(6), c = 10.9849(7), α = 62.8370(10), β = 73.2170(10), γ = 73.3100(2)o, C16H18N2O6, Mr = 334.32, V = 828.09(9)3, Z = 2, Dc = 1.341 g/cm3, F(000) = 352, μ = 0.104 mm-1, S = 1.075, the final R = 0.0665 and wR = 0.1593 for 2083 observed reflections with I > 2σ(I) and 220 variable parameters. The crystal analysis shows that the hydrolysis product contains two rings, and a one- dimensional chain structure is formed via the intermolecular hydrogen bond O(1)-H(101)···N(2).     

Synthesis and Crystal Structure of （E）-ethyl 6-benzyl-2-[（cyclopropylmethylamino）（4-fluorophenylamino）-methyleneamino]-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate ethanol monosolvate

The crystal structure of the new title compound (E)-ethyl 6-benzyl-2-[(cyclopropylmethylamino)(4-fluorophenylamino)methyleneamino]-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate ethanol monosolvate (C28H31FN 4O2S·C2H6O, Mr=552.70) has been prepared and determined by single-crystal X-ray diffraction. The crystal is of monoclinic system, space group P21/c with a=13.806(10), b=10.850(7), c=19.938(14), β=98.842(9)° , V=2951(4)3 , Z=4, Dc=1.244g/cm 3 , F(000)=1176, μ=0.153 mm-1 , MoKα radiation (λ=0.71073), R=0.0758 and wR=0.2234 for 4262 observed reflections with I > 2σ(I). Intramolecular N-H…S and C-H…N interactions as well as intermolecular N-H…O and O-H…N hydrogen bonds help to stabilize the crystal structure. X-ray diffraction analysis reveals that the asymmetric unit contains one title molecule and one ethanol molecule.     

Synthesis and Crystal Structure of 3-（4-Chlorophenyl）-8-cyano-2-（di-isopropylamino）-5-methyl-7-（methylthio）-pyrido[4,3-d]pyrimidine-4（3H）-one

The crystal structure of the new title compound 3-(4-chlorophenyl)-8-cyano-2-(di-iso-propylamino)-5-methyl-7-(methylthio)-pyrido[4,3-d]pyrimidine-4(3H)-one(C22H24ClN5OS,Mr = 441.97)has been determined by single-crystal X-ray diffraction. The crystal is of orthorhombic,space group Pna21 with a = 7.6721(5),b = 18.9370(11),c = 15.6260(9),V = 2270.2(2)3,Z = 4,Dc = 1.293 g/cm3,F(000)= 928,μ = 0.283 mm-1,MoKa radiation(λ = 0.71073 ),R = 0.0494 and wR = 0.1062 for 3278 observed reflections with I > 2σ(I). X-ray diffraction analysis reveals that all ring atoms in the py-ridopyrimidinone moiety are almost coplanar. Intramolecular C(20)-H(20)···N(4),C(19)-H(19A)···N(3),C(18)-H(18C)···N(3)and C(16)-H(16B)···O(5)hydrogen bonds together with weak C···π interactions are found in the structure.