Abstract
C13H10F3N3O4, triclinic, P1̅ (no. 2), a = 7.0524(14) Å, b = 7.8044(16) Å, c = 12.954(3) Å, α = 97.93(3)°, β = 96.29(3)°, γ = 100.11(3)°, V = 688.6(3) Å3, Z = 2, Rgt(F) = 0.0478, wRref(F2) = 0.1140, T = 200 K.
The asymmetric unit of the title crystal structure is shown in the figure. Tables 1 and 2 contain details of the measurement method and a list of the atoms including atomic coordinates and displacement parameters.
Data collection and handling.
Crystal: | Colourless prism |
Size: | 0.25 × 0.20 × 0.15 mm |
Wavelength: | Mo Kα radiation (0.71073 Å) |
μ: | 1.4 cm−1 |
Diffractometer, scan mode: | Nonius KappCCD, φ and ω |
2θmax, completeness: | 61°, 98.4% |
N(hkl)measured, N(hkl)unique, Rint: | 7772, 4105, 0.031 |
Criterion for Iobs, N(hkl)gt: | Iobs > 2 σ(Iobs), 2579 |
N(param)refined: | 210 |
Programs: | Nonius programs [1], SHELX [2] |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).
Atom | x | y | z | Uiso*/Ueq |
---|---|---|---|---|
F1 | 0.23950(16) | 0.24478(14) | 0.13371(8) | 0.0545(3) |
F2 | 0.11903(14) | −0.01258(15) | 0.16293(9) | 0.0621(3) |
F3 | 0.30087(16) | 0.01796(16) | 0.04237(8) | 0.0595(3) |
O1 | 0.27285(19) | 0.94909(14) | 0.42622(10) | 0.0487(3) |
O2 | 0.00370(17) | 0.77231(15) | 0.43368(10) | 0.0476(3) |
O3 | 0.41696(18) | −0.27728(16) | 0.09840(11) | 0.0572(4) |
O4 | 0.72997(15) | −0.25769(13) | 0.16326(8) | 0.0358(3) |
N1 | 0.52381(16) | 0.22554(15) | 0.29754(9) | 0.0272(3) |
N2 | 0.69502(17) | 0.20633(16) | 0.34964(10) | 0.0313(3) |
N3 | 0.17602(19) | 0.80098(16) | 0.42229(10) | 0.0331(3) |
C1 | 0.4379(2) | 0.37065(17) | 0.33726(11) | 0.0261(3) |
C2 | 0.5517(2) | 0.53877(19) | 0.35806(11) | 0.0301(3) |
H2 | 0.6829 | 0.5562 | 0.3503 | 0.036* |
C3 | 0.4665(2) | 0.68038(18) | 0.39055(11) | 0.0306(3) |
H3 | 0.5397 | 0.7944 | 0.4055 | 0.037* |
C4 | 0.2712(2) | 0.64932(18) | 0.40030(11) | 0.0267(3) |
C5 | 0.1603(2) | 0.48161(18) | 0.38674(11) | 0.0280(3) |
H5 | 0.0308 | 0.4640 | 0.3981 | 0.034* |
C6 | 0.2464(2) | 0.34017(18) | 0.35583(11) | 0.0293(3) |
H6 | 0.1760 | 0.2255 | 0.3476 | 0.035* |
C7 | 0.7300(2) | 0.05689(19) | 0.30129(12) | 0.0311(3) |
H7 | 0.8388 | 0.0102 | 0.3205 | 0.037* |
C8 | 0.5840(2) | −0.02324(18) | 0.21749(11) | 0.0295(3) |
C9 | 0.4537(2) | 0.08995(18) | 0.21664(11) | 0.0285(3) |
C10 | 0.2778(2) | 0.0844(2) | 0.13885(12) | 0.0389(4) |
C11 | 0.5641(2) | −0.1974(2) | 0.15184(12) | 0.0342(3) |
C12 | 0.7245(3) | −0.4309(2) | 0.10223(13) | 0.0405(4) |
H12A | 0.7097 | −0.4243 | 0.0276 | 0.049* |
H12B | 0.6152 | −0.5151 | 0.1158 | 0.049* |
C13 | 0.9094(3) | −0.4879(3) | 0.13379(16) | 0.0586(5) |
H13A | 1.0166 | −0.4045 | 0.1194 | 0.088* |
H13B | 0.9084 | −0.6019 | 0.0947 | 0.088* |
H13C | 0.9228 | −0.4940 | 0.2077 | 0.088* |
Source of material
Ethyl 1-(4-nitrophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate was purchased from Sigma-Aldrich. Crystals suitable for the X-ray diffraction experiments were obtained by recrystallization from methanol.
Experimental details
The hydrogen atoms were placed at geometrically idealized positions with C—H distances set to 0.93, 0.97 and 0.96 Å from phenyl, methylene and methyl C atoms, respectively. The isotropic displacement parameters were set equal to 1.2Ueq and 1.5Ueq of the parent C atoms.
Comment
Pyrazole derivatives have broad applications in medicinal [3, 4] and agricultural chemistry [5, 6] . The pharmacological activity of these compounds is very diverse. A number of substituted pyrazoles are reported as anti-inflammatory, analgesic, anti-bacterial and anti-cancer agents [3, 4] . It has been found that the presence of a fluoroalkyl substituent on the pyrazole core can significantly increase the lipophilicity and solubility of the compounds and thus improve their biological activity [7], [8], [9]. The fluoroalkylated pyrazoles are therefore promising drug and herbicide candidates, while some of them already find practical use, as is the case with the non-steroidal antirheumatic drug celecoxib [10], or a broad-use insecticide fipronil [11], both belonging to N-phenylpyrazoles. As a part of our ongoing interest on the synthesis, physico-chemical and structural properties of the pyrazole based coordination compounds [12, 13] we examined the crystal structure of the title pyrazole ligand.
The bond lengths and angles within the N-phenylpyrazole core are comparable with those reported for the similar pyrazole ligands [14], [15], [16], [17], [18]. The C1—N1 bond [1.436(2) Å] allows a rotation of the phenyl relative to the pyrazole ring, thus the dihedral angle between the corresponding ring planes is 49.26(6)°. In similar N-phenylpyrazole derivatives this dihedral angle varies in a broad range from 44.8 to 88.9° [15]. The torsion angle C5—C4—N3—O1 of 4.1(2)°, indicates only a slight twisting of the attached nitro group with respect to the phenyl ring. The carbon atom of the pyrazole CF3 substituent (C10) slightly deviates from the plane of the pyrazole ring [0.14(1) Å]. Inspection of the deviation of F atoms in different fluoromethyl pyrazoles [14, 15] indicates that the CF3 group can rotate with respect to the pyrazole ring. Thus the displacement of the F1 (chosen as the least deviating from the pyrazole plane) can vary from 0.01 in [15, 16] to 0.7 Å in the present case. The ethyl carboxylate group of the title compound is essentially planar (r.m.s deviation of non-H atoms is 0.05), with the maximum deviation of the terminal C13 atom [0.061(1) Å]. The dihedral angle between the best planes of the pyrazolyl fragment and ethyl carboxylate groups is 13.7(1)°. In the crystal packing, the inversion-related molecules form C–H⋯O hydrogen-bonded dimers, using the pairs of donors and acceptors from the ethyl carboxylate group [C12—H12a⋯O3i: C—H 0.97 Å, C⋯O 3.152(2) Å, H⋯O 2.60 Å, C—H⋯O 116°, (i) −x + 1, −y − 1, −z]. The structure is further stabilized by weak C—H⋯O interactions [C2—H2⋯O2ii: C—H 0.93 Å, C⋯O 3.350(2) Å, H⋯O 2.60 Å, C—H⋯O 138° (ii) x + 1, +y, +z], and weak π⋯π interactions between the neighboring phenyl rings [Cg⋯Cgiii 3.746 Å (iii) −x + 1, −y + 1, −z + 1].
Acknowledgement
G. A. B. and S. B. N. thank to the Ministry of Education, Science and Technological Development of the Republic of Serbia for financial support (Project No. 172014 and 172035). Ž. K. J. and M. K. thank the Ministry of Science of the Republic of Montenegro for financial support - National project.
References
1 Nonius. Nonius BV, Delft, The Netherlands, 1998.Suche in Google Scholar
2 Sheldrick, G. M.: A short history of SHELX. Acta Crystallogr. A64 (2008) 112–122.10.1107/S0108767307043930Suche in Google Scholar
3 Khan, M. F.; Alam, M. M.; Verma, G.; Akhtar, W.; Akhter, M.; Shaquiquzzaman, M.: The therapeutic voyage of pyrazole and its analogs: a review. Eur. J. Med. Chem. 120 (2016) 170–201.10.1016/j.ejmech.2016.04.077Suche in Google Scholar
4 Havrylyuk, D.; Roman, O.; Lesyk, R.: Synthetic approaches, structure activity relationship and biological applications for pharmacologically attractive pyrazole/pyrazolineethiazolidine-based hybrids. Eur. J. Med. Chem. 113 (2016) 145–166.10.1016/j.ejmech.2016.02.030Suche in Google Scholar
5 Singh, N.; Sangwan, N. K.; Dhindsa, K. S.: Synthesis and fungitoxic activity of 5-aryl-1-formyl-4, 5-dihydro-3-(2-hydroxyphenyl)-1H-pyrazoles and their complexes. Pest. Manage. Sci. 56 (2000) 284–288.10.1002/(SICI)1526-4998(200003)56:3<284::AID-PS128>3.0.CO;2-MSuche in Google Scholar
6 Lamberth, C.: Pyrazole chemistry in crop protection. Heterocycles 71 (2007) 1467–1502.10.3987/REV-07-613Suche in Google Scholar
7 Hagmann, W. K.: The many roles for fluorine in medicinal chemistry. J. Med. Chem. 51 (2008) 4359–4369.10.1021/jm800219fSuche in Google Scholar
8 Gouverneur, V.; Müller, K.: Fluorine in Pharmaceutical and Medicinal Chemistry: From Biophysical Aspects to Clinical Applications. Imperial College Press, London, 2012.10.1142/p746Suche in Google Scholar
9 Nenajdenko, V.: Fluorine in Heterocyclic Chemistry. Springer, Switzerland, 2014.10.1007/978-3-319-04435-4Suche in Google Scholar
10 Hassan, G. S.; Abou-Seri, S. M.; Kamel, G.; Ali, M. M.: Celecoxib analogs bearing benzofuran moiety as cyclooxygenase-2 inhibitors: design, synthesis and evaluation as potential anti-inflammatory agents. Eur. J. Med. Chem. 76 (2014) 482–483.10.1016/j.ejmech.2014.02.033Suche in Google Scholar
11 Cole, L. M.; Nicholson, R. A.; Casida, J. E.: Action of phenylpyrazole insecticides at the GABA-gated chloride channel. Pestic. Biochem. Physiol. 46 (1993) 47–54.10.1006/pest.1993.1035Suche in Google Scholar
12 Bogdanović, G. A.; Jaćimović, Ž. K.; Leovac, V. M.: Transition metal complexes with pyrazole-based ligands. XXII. 1Di-μ-thiocyanato-bis[(3,5-dimethyl-1H-pyrazole-1-carboxamidine-κ2 N,N′)(thiocyanato-κN)copper(II)] and a redetermination of bis(3,5-dimethyl-1H-pyrazole-1-carbox-amidine-κ2 N,N′)bis(nitrato-κO)-copper(II). Acta Crystallogr. C61 (2005) m376–m379.10.1107/S0108270105018913Suche in Google Scholar
13 Jaćimović, Ž. K.; Gieste, G.; Kosović, M.; Bogdanović, G. A.; Novaković, S. B.; Leovac, V. M.; Latinović, N.; Holló, B. B.; Mészáros Szécsényi, K.: Pyrazole-type complexes with Ni(II) and Cu(II) solvent exchange reactions in coordination compounds. J. Therm. Anal. Calorim. 127 (2017) 1501–1509.10.1007/s10973-016-5549-9Suche in Google Scholar
14 Beck, J. R.; Wright, F. L.: Synthesis of 1-aryl-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acids and esters. J. Heterocycl. Chem. 24 (1987) 739–740.10.1002/jhet.5570240338Suche in Google Scholar
15 Kawase, M.; Koiwai, H.; Yamano, A.; Miyamae, H.: Regioselective reaction of mesoionic 4-trifluoroacetyl-1,3-oxazolium-5-olates and phenylhydrazine: synthesis of trifluoromethyl substituted pyrazole and 1,2,4-triazine derivatives. Tetrahedron Lett. 39 (1998) 663–666.10.1016/S0040-4039(97)10712-2Suche in Google Scholar
16 Buriol, L.; Frizzo, C. P.; Prola, L. D. T.; Moreira, D. N.; Marzari, M. R. B.; Scapin, E.; Zanatta, N.; Bonacorso, H. G.; Martins, M. A. P.: Regioselective reaction of mesoionic 4-trifluoroacetyl-1,3-oxazolium-5-olates and phenylhydrazine: Synthesis of trifluoromethyl substituted pyrazole and 1,2,4-triazine derivatives. Catal. Lett. 141 (2011) 1130–1135.10.1007/s10562-011-0571-9Suche in Google Scholar
17 Touzot, A.; Soufyane, M.; Berber, H.; Toupet, L.; Mirand, C.: Synthesis of trifluoromethylated pyrazoles from trifluoromethylenaminones and monosubstituted hydrazines. J. Fluorine Chem. 125 (2004) 1299–1304.10.1016/j.jfluchem.2004.03.007Suche in Google Scholar
18 Kanishchev, O. S.; Bandera, Y. P.; Timoshenko, V. M.; Rusanov, E. B.; But, S. A.; Shermolovich, Y. G.: Synthesis of 5-polyfluoroalkyl-4-(p-tolyl-sulfonyl)pyrazoles and 4-polyfluoroalkyl-5-(p-tolylsulfonyl)pyrimidines from 1-dimethylamino-2-(p-tolylsulfonyl)-polyfluoro-1-alken-3-ones. Chem. Heterocycl. Compd. 43 (2007) 887–892.10.1007/s10593-007-0140-8Suche in Google Scholar
©2017 Željko K. Jaćimović et al., published by De Gruyter.
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Artikel in diesem Heft
- Cover and Frontmatter
- Crystal structure of poly[diaqua-(μ2-4,4′-bipyridine-κ2N:N′)manganese(II)] bis(4-chlorobenzenesulfonate) – 4,4′-bipyridine – water (1/1/2) C42H40Cl2MnN6O10S2
- The crystal structure of 1,2-bis[2-methyl-5-(3-cyanophenyl)-3-thienyl]-3,3,4,4,5,5-hexafluoro-cyclopent-1-ene, C29H16F6N2S2
- Crystal structure of the first characterized polymeric copper and sodium complex diaqua-(tris-acetato-κO,O′)(μ2-acetato-κO′′)dinatrium copper(II) monohydrate, C8H18CuNa2O11
- The crystal structure of the Schiff base (E)-2,6-diisopropyl-N-(pyridin-3-yl-methylene)aniline, C18H22N2
- Crystal structure of methyl 2,7,7-trimethyl-4-(4-nitrophenyl)-5-oxo-1,4,5,6,7,8-hexahydro-quinoline-3-carboxylate, C20H22N2O5
- Crystal structure of bis(1,3-bis(diphenylphosphino)propane-κ2P,P′)silver(I) trifluorosulfonate–methanol (1:0.5), [Ag(C27H26P2)]SO3CF3⋅0.5CH3OH
- Crystal structure of μ-1,4-bis(diphenylphosphine)butane-2,9-dimethyl-1,10-phenanthroline-κ2N:N′-bis(cyano-κC)dicopper(I)]-water, C58H56Cu2N6O2P2
- Crystal structure of N2,N6-bis(1-hydrazinyl-2-methyl-1-oxopropan-2-yl) pyridine-2,6-dicarboxamide, C15H23N7O4
- Crystal structure of 1,3-dimethyl-2-phenyl-1H-perimidin-3-ium iodide, C19H17IN2
- Crystal structure of diaqua-(2,2′-(butane-1,4-diyl)-bis(5-carboxy-1H-imidazole-4-carboxylato)-κ4O,O′,N,N′)cadmium(II) monohydrate, C14H18O11N4Cd
- Crystal structure of ethyl (E)-3-(cyclopropylamino)-2-(2,4-dichloro-5-fluorobenzoyl) acrylate, C15H14Cl2FNO3
- Crystal structure of bis-(1-(4-chlorophenyl)-3-phenyl-4-thenoyl-1H-pyrazol-5-ol-κ2O,O′)-(N,N-dimethylformamide)zinc(II), C43H31Cl2N5O5S2Zn
- Crystal structure of tetrakis(μ3-2-(N-(2-hydroxyethyl)amino)ethoxo)-tetrachloro-tetra-cobalt(II) methanol solvate, C17H44Cl4Co4N4O9
- Crystal structure of 3-amino-1-(4-bromophenyl)-9-methoxy-1H-benzo[f]chromene-2-carbonitrile, C21H15BrN2O2
- Crystal structure of 2-amino-4-(4-isopropyl-phenyl)-3-cyano-5-oxo-4H,5H-pyrano[3,2-c]chromene, C22H18N2O3
- Crystal structure of 3-amino-8-methoxy-1-(4-methoxy phenyl)-1H-benzo[f]chromene-2-carbonitrile, C22H18N2O3
- Crystal structure of monoaqua-[6,6′-((1E,1′E)-(1,2-phenylene bis(azanylylidene))bis(methanylylidene))bis(4-bromo-2-nitrophenolato-κ4N,N′,O,O′)]zinc(II), C20H12Br2N4O7Zn
- Crystal structure of 11-(4-(dimethylamino)phenyl)-17-hydroxy-13-methyl-17-(prop-1-yn-1-yl)-1,2,6,7,8,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one – acetonitril (1/2), C33H41N3O2
- Crystal structure of tert-butyl (phenylsulfinyl)carbamate, C11H15NO3S
- Crystal structure of catena-poly{diaqua-bis(3-(1H-1,2,4-triazol-1-yl)benzoato-κ2O:N)copper(II)} monohydrate, C18H18CuN6O7
- Crystal structure of tetraaqua-bis(3-(4H-1,2,4-triazol-4-yl)benzoato-κN)cobalt(II), C18H20CoN6O8
- The crystal structure of 4-bromo-N-cyclopropyl-2,5-difluorobenzenesulfonamide, C9H8BrF2NO2S
- Crystal structure of ([3,3′-bipyridine]-6,6′-dicarboxylato-κ2O:O′)-bis(1,2-bis(4-pyridyl)ethane-κ2N:N′)disilver(I) dihydrate, C37H35Ag2N5O6
- The crystal structure of (4-(1H-1,2,4-triazol-1-yl)benzoato-κN)-[4-(1H-1,2,4-triazol-1-yl)benzoic acid-κN]silver(I), C18H13AgN6O4
- Crystal structure of 3-(4-methoxyphenyl)-1-(4-methylphenyl)prop-2-en-1-one, C17H16O2
- Crystal structure of bis(2-((E)-((4-((E)-1-(ethoxyimino)ethyl)phenyl)imino)methyl)-5-methoxyphenolato-κ2O,N)copper(II), C36H38CuN4O6
- Crystal structure of poly[1,2-bis(1,2,4-triazol-4-yl)ethane-κ2N:N′]silver(I) bromate monohydrate]silver(I), C6H10AgBrN6O4
- The crystal structure of 2,3,5-triphenyl-2,3-dihydro-1H-tetrazol-1-ium 2,3-dioxoindoline-5-sulfonate, C27H19N5O5S
- Crystal structure of 3-(2-amino-1,3-selenazol-4-yl)-2H-chromen-2-one – dimethylformamide (1/1), C15H15N3O3Se
- Crystal structure of diethyl 3,3′-(diazene-1,2-diyl)(E)-dibenzoate, C18H18N2O4
- Crystal structure of cis-bis((1H-benzimidazol-2-yl)methanol-κN,O)-bis(isothiocyanato-κN)nickel(II), C18H16N6NiO2S2
- Crystal structure of bis(2-(2′-hydroxy-5′-methoxyphenyl)-1H-benzimidazole)boron – tetrahydrofuran (1/1), C36H37N4O6B
- Crystal structure of poly[aqua-bis(nitrato-κ2O,O′)-(μ3-1,3-benzimidazol-3-ium-1,3-diacetato-κ4O,O′:O′′:O′′′)dysprosium(III)], C11H11DyN4O11
- Crystal structure of n-butyl-tris(dicyclo-hexylamido)hafnium(IV), C40H75HfN3
- Crystal structure of (E)-1-[1-(3-chloro-4-fluoro-phenyl)ethylidene]-2-(2,4-dinitrophenyl)hydrazine, C28H20Cl2F2N8O8
- The crystal structure of ethyl 4-((2-hydroxybenzyl)amino)benzoate, a Schiff base, C16H17NO3
- Crystal structure of 3-(2-(4-isobutylphenyl)propanoyl)-1-methylimidazolidine-2,4-dione, C17H22N2O3
- Crystal structure of poly[(μ3-2-(pyrazin-2-ylthio)acetato-κ3N:O:S)silver(I)], C6H5AgN2O2S
- Crystal structure of (E)-1-(3-((E)-((2-hydroxynaphthalen-1-yl)methylene)amino)phenyl)ethanone O-benzyl oxime, C26H22N2O2
- Crystal structure of (E)-2,3-dihydroxybenzaldehyde O-(2-((((E)-1-(2,5-dihydroxyphenyl)ethylidene)amino)oxy)ethyl) oxime monohydrate, C17H20N2O7
- Crystal structure of 4-(chloromethyl)-3-nitrobenzoic acid, C8H6ClNO4
- Crystal stucture of 4-((10H-phenothiazin-10-yl)methyl)-2,6-di-tert-butylphenol, C27H31NOS
- The crystal structure of ethyl 1-(4-nitrophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate, C13H10F3N3O4
- Crystal structure of catena-poly[di-(μ3-oxido-κ3O:O:O)-tetraoxido-(μ2-5′-(pyrazin-2-yl)-1H,2′H-3,3′-bi(1,2,4-triazole)-κ2N:N′)dimolybdenum(VI)], C8H6Mo2N8O6
- Crystal structure of (3,6-dioxocyclohexa-1,4-diene-1,4-bis(olato)-κ4O,O′:O′′,O′′′)-bis(tris(2-pyridylmethyl)amine-κ4N,N′,N′′,N′′′))-dizinc(II) bis(hexafluorophosphate(V)), C42H38F12N8O4P2Zn2
- Crystal structure of catena-poly[hexakis(μ2-2-acetylphenolato-κ3O:O,O′)trimanganese(II)], C48H42Mn3O12
- The crystal structure of 2,2-difluoro-4-(trifluoromethyl)-2,5-dihydro-[1,3,2]dioxaborinino[5,4-c]chromen-3-ium-2-uide, C11H6BF5O3
- Crystal structure of methyl (E)-2-(4-(diethylamino)-2-hydroxybenzylidene)hydrazine-1-carboxylate, C13H19N3O3
- The crystal structure of tert-butyl 2,6-dihydropyrrolo[3,4-c]pyrazole-5(4H)-carboxylate, C10H15N3O2
- Crystal structure of 1,1-bis(η5-adamantylcyclopentadienyl)-3-phenyl-2-trimethylsilyl-2,3-dihydroisotitanazole, C42H55NSiTi
- Crystal structure of 2-(4-(2-(4-benzylpiperazin-1-yl)ethyl)benzyl)isoindoline-1,3-dione, C28H29N3O2
- Important impurity of Flupirtine – a single crystal study on ethyl (6-amino-5-((ethoxycarbonyl)amino)pyridin-2-yl)(4-fluorobenzyl)carbamate, C18H21FN4O4
- Crystal structure of ethyl 3-(4-methoxyphenyl)-1-(2-(4-methoxyphenyl)-2-oxoethyl)-1H-pyrazole-5-carboxylate, C22H22N2O5
- Crystal structure of 2,3,9,10-tetramethoxy-5,6-dihydroisoquinolino[2,1-b]isoquinolin-7-ium 5-hydroxy-3-(4-hydroxyphenyl)-4-oxo-4H-chromen-7-olate methanol solvate, C37H35N1O10
- The crystal structure of the inner salt of 2-[(aminoiminomethyl)amino]ethylcarbamic acid [systematic name: (2-((diaminomethylene)ammonio)ethyl)carbamate], C4H10N4O2
- Crystal structure of (8-hydroxy-5-nitroquinolinium) perchlorate – 8-hydroxy-5-nitroquinoline (1/1), C18H13ClN4O10
- The crystal structure of (5-methyl-1,2,4-oxadiazol-3-yl)ferrocene, C13H12FeN2O
- Crystal structure of methyl 1-(2-(fluorosulfonyl)ethyl)-2-oxocyclopentanecarboxylate, C9H13FO5S
- Crystal structure of the triclinic modification of 1-methyl-4-nitroimidzole, C4H5N3O2
- Corrigendum
- Crystal structure of 4-bromo-2-(1H-pyrazol-3-yl)phenol, C9H7BrN2O
Artikel in diesem Heft
- Cover and Frontmatter
- Crystal structure of poly[diaqua-(μ2-4,4′-bipyridine-κ2N:N′)manganese(II)] bis(4-chlorobenzenesulfonate) – 4,4′-bipyridine – water (1/1/2) C42H40Cl2MnN6O10S2
- The crystal structure of 1,2-bis[2-methyl-5-(3-cyanophenyl)-3-thienyl]-3,3,4,4,5,5-hexafluoro-cyclopent-1-ene, C29H16F6N2S2
- Crystal structure of the first characterized polymeric copper and sodium complex diaqua-(tris-acetato-κO,O′)(μ2-acetato-κO′′)dinatrium copper(II) monohydrate, C8H18CuNa2O11
- The crystal structure of the Schiff base (E)-2,6-diisopropyl-N-(pyridin-3-yl-methylene)aniline, C18H22N2
- Crystal structure of methyl 2,7,7-trimethyl-4-(4-nitrophenyl)-5-oxo-1,4,5,6,7,8-hexahydro-quinoline-3-carboxylate, C20H22N2O5
- Crystal structure of bis(1,3-bis(diphenylphosphino)propane-κ2P,P′)silver(I) trifluorosulfonate–methanol (1:0.5), [Ag(C27H26P2)]SO3CF3⋅0.5CH3OH
- Crystal structure of μ-1,4-bis(diphenylphosphine)butane-2,9-dimethyl-1,10-phenanthroline-κ2N:N′-bis(cyano-κC)dicopper(I)]-water, C58H56Cu2N6O2P2
- Crystal structure of N2,N6-bis(1-hydrazinyl-2-methyl-1-oxopropan-2-yl) pyridine-2,6-dicarboxamide, C15H23N7O4
- Crystal structure of 1,3-dimethyl-2-phenyl-1H-perimidin-3-ium iodide, C19H17IN2
- Crystal structure of diaqua-(2,2′-(butane-1,4-diyl)-bis(5-carboxy-1H-imidazole-4-carboxylato)-κ4O,O′,N,N′)cadmium(II) monohydrate, C14H18O11N4Cd
- Crystal structure of ethyl (E)-3-(cyclopropylamino)-2-(2,4-dichloro-5-fluorobenzoyl) acrylate, C15H14Cl2FNO3
- Crystal structure of bis-(1-(4-chlorophenyl)-3-phenyl-4-thenoyl-1H-pyrazol-5-ol-κ2O,O′)-(N,N-dimethylformamide)zinc(II), C43H31Cl2N5O5S2Zn
- Crystal structure of tetrakis(μ3-2-(N-(2-hydroxyethyl)amino)ethoxo)-tetrachloro-tetra-cobalt(II) methanol solvate, C17H44Cl4Co4N4O9
- Crystal structure of 3-amino-1-(4-bromophenyl)-9-methoxy-1H-benzo[f]chromene-2-carbonitrile, C21H15BrN2O2
- Crystal structure of 2-amino-4-(4-isopropyl-phenyl)-3-cyano-5-oxo-4H,5H-pyrano[3,2-c]chromene, C22H18N2O3
- Crystal structure of 3-amino-8-methoxy-1-(4-methoxy phenyl)-1H-benzo[f]chromene-2-carbonitrile, C22H18N2O3
- Crystal structure of monoaqua-[6,6′-((1E,1′E)-(1,2-phenylene bis(azanylylidene))bis(methanylylidene))bis(4-bromo-2-nitrophenolato-κ4N,N′,O,O′)]zinc(II), C20H12Br2N4O7Zn
- Crystal structure of 11-(4-(dimethylamino)phenyl)-17-hydroxy-13-methyl-17-(prop-1-yn-1-yl)-1,2,6,7,8,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one – acetonitril (1/2), C33H41N3O2
- Crystal structure of tert-butyl (phenylsulfinyl)carbamate, C11H15NO3S
- Crystal structure of catena-poly{diaqua-bis(3-(1H-1,2,4-triazol-1-yl)benzoato-κ2O:N)copper(II)} monohydrate, C18H18CuN6O7
- Crystal structure of tetraaqua-bis(3-(4H-1,2,4-triazol-4-yl)benzoato-κN)cobalt(II), C18H20CoN6O8
- The crystal structure of 4-bromo-N-cyclopropyl-2,5-difluorobenzenesulfonamide, C9H8BrF2NO2S
- Crystal structure of ([3,3′-bipyridine]-6,6′-dicarboxylato-κ2O:O′)-bis(1,2-bis(4-pyridyl)ethane-κ2N:N′)disilver(I) dihydrate, C37H35Ag2N5O6
- The crystal structure of (4-(1H-1,2,4-triazol-1-yl)benzoato-κN)-[4-(1H-1,2,4-triazol-1-yl)benzoic acid-κN]silver(I), C18H13AgN6O4
- Crystal structure of 3-(4-methoxyphenyl)-1-(4-methylphenyl)prop-2-en-1-one, C17H16O2
- Crystal structure of bis(2-((E)-((4-((E)-1-(ethoxyimino)ethyl)phenyl)imino)methyl)-5-methoxyphenolato-κ2O,N)copper(II), C36H38CuN4O6
- Crystal structure of poly[1,2-bis(1,2,4-triazol-4-yl)ethane-κ2N:N′]silver(I) bromate monohydrate]silver(I), C6H10AgBrN6O4
- The crystal structure of 2,3,5-triphenyl-2,3-dihydro-1H-tetrazol-1-ium 2,3-dioxoindoline-5-sulfonate, C27H19N5O5S
- Crystal structure of 3-(2-amino-1,3-selenazol-4-yl)-2H-chromen-2-one – dimethylformamide (1/1), C15H15N3O3Se
- Crystal structure of diethyl 3,3′-(diazene-1,2-diyl)(E)-dibenzoate, C18H18N2O4
- Crystal structure of cis-bis((1H-benzimidazol-2-yl)methanol-κN,O)-bis(isothiocyanato-κN)nickel(II), C18H16N6NiO2S2
- Crystal structure of bis(2-(2′-hydroxy-5′-methoxyphenyl)-1H-benzimidazole)boron – tetrahydrofuran (1/1), C36H37N4O6B
- Crystal structure of poly[aqua-bis(nitrato-κ2O,O′)-(μ3-1,3-benzimidazol-3-ium-1,3-diacetato-κ4O,O′:O′′:O′′′)dysprosium(III)], C11H11DyN4O11
- Crystal structure of n-butyl-tris(dicyclo-hexylamido)hafnium(IV), C40H75HfN3
- Crystal structure of (E)-1-[1-(3-chloro-4-fluoro-phenyl)ethylidene]-2-(2,4-dinitrophenyl)hydrazine, C28H20Cl2F2N8O8
- The crystal structure of ethyl 4-((2-hydroxybenzyl)amino)benzoate, a Schiff base, C16H17NO3
- Crystal structure of 3-(2-(4-isobutylphenyl)propanoyl)-1-methylimidazolidine-2,4-dione, C17H22N2O3
- Crystal structure of poly[(μ3-2-(pyrazin-2-ylthio)acetato-κ3N:O:S)silver(I)], C6H5AgN2O2S
- Crystal structure of (E)-1-(3-((E)-((2-hydroxynaphthalen-1-yl)methylene)amino)phenyl)ethanone O-benzyl oxime, C26H22N2O2
- Crystal structure of (E)-2,3-dihydroxybenzaldehyde O-(2-((((E)-1-(2,5-dihydroxyphenyl)ethylidene)amino)oxy)ethyl) oxime monohydrate, C17H20N2O7
- Crystal structure of 4-(chloromethyl)-3-nitrobenzoic acid, C8H6ClNO4
- Crystal stucture of 4-((10H-phenothiazin-10-yl)methyl)-2,6-di-tert-butylphenol, C27H31NOS
- The crystal structure of ethyl 1-(4-nitrophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate, C13H10F3N3O4
- Crystal structure of catena-poly[di-(μ3-oxido-κ3O:O:O)-tetraoxido-(μ2-5′-(pyrazin-2-yl)-1H,2′H-3,3′-bi(1,2,4-triazole)-κ2N:N′)dimolybdenum(VI)], C8H6Mo2N8O6
- Crystal structure of (3,6-dioxocyclohexa-1,4-diene-1,4-bis(olato)-κ4O,O′:O′′,O′′′)-bis(tris(2-pyridylmethyl)amine-κ4N,N′,N′′,N′′′))-dizinc(II) bis(hexafluorophosphate(V)), C42H38F12N8O4P2Zn2
- Crystal structure of catena-poly[hexakis(μ2-2-acetylphenolato-κ3O:O,O′)trimanganese(II)], C48H42Mn3O12
- The crystal structure of 2,2-difluoro-4-(trifluoromethyl)-2,5-dihydro-[1,3,2]dioxaborinino[5,4-c]chromen-3-ium-2-uide, C11H6BF5O3
- Crystal structure of methyl (E)-2-(4-(diethylamino)-2-hydroxybenzylidene)hydrazine-1-carboxylate, C13H19N3O3
- The crystal structure of tert-butyl 2,6-dihydropyrrolo[3,4-c]pyrazole-5(4H)-carboxylate, C10H15N3O2
- Crystal structure of 1,1-bis(η5-adamantylcyclopentadienyl)-3-phenyl-2-trimethylsilyl-2,3-dihydroisotitanazole, C42H55NSiTi
- Crystal structure of 2-(4-(2-(4-benzylpiperazin-1-yl)ethyl)benzyl)isoindoline-1,3-dione, C28H29N3O2
- Important impurity of Flupirtine – a single crystal study on ethyl (6-amino-5-((ethoxycarbonyl)amino)pyridin-2-yl)(4-fluorobenzyl)carbamate, C18H21FN4O4
- Crystal structure of ethyl 3-(4-methoxyphenyl)-1-(2-(4-methoxyphenyl)-2-oxoethyl)-1H-pyrazole-5-carboxylate, C22H22N2O5
- Crystal structure of 2,3,9,10-tetramethoxy-5,6-dihydroisoquinolino[2,1-b]isoquinolin-7-ium 5-hydroxy-3-(4-hydroxyphenyl)-4-oxo-4H-chromen-7-olate methanol solvate, C37H35N1O10
- The crystal structure of the inner salt of 2-[(aminoiminomethyl)amino]ethylcarbamic acid [systematic name: (2-((diaminomethylene)ammonio)ethyl)carbamate], C4H10N4O2
- Crystal structure of (8-hydroxy-5-nitroquinolinium) perchlorate – 8-hydroxy-5-nitroquinoline (1/1), C18H13ClN4O10
- The crystal structure of (5-methyl-1,2,4-oxadiazol-3-yl)ferrocene, C13H12FeN2O
- Crystal structure of methyl 1-(2-(fluorosulfonyl)ethyl)-2-oxocyclopentanecarboxylate, C9H13FO5S
- Crystal structure of the triclinic modification of 1-methyl-4-nitroimidzole, C4H5N3O2
- Corrigendum
- Crystal structure of 4-bromo-2-(1H-pyrazol-3-yl)phenol, C9H7BrN2O