Literature DB >> 22346981

(E)-3,5-Dimethyl-1-p-tolyl-4-(p-tolyl-diazen-yl)-1H-pyrazole.

Carlos Bustos, Marcia Pérez-Cerda, Luis Alvarez-Thon, Enrique Barrales-Salcedo, Maria Teresa Garland.   

Abstract

There are two independent mol-ecules, A and B, in the asymmetric unit of the title compound, C(19)H(20)N(4), in each of which the N=N double bond has an E conformation. The dihedral angles between the pyrazole ring and the p-tolyl rings in the 1- and 4-positions are 22.54 (8) and 35.73 (7)°, respectively, in mol-ecule A. The corresponding dihedral angles in mol-ecule B are 28.13 (8) and 22.18 (8)°. In the crystal, the A and B mol-ecules are linked by weak C-H⋯π inter-actions, leading to inversion dimers in each case.

Entities:  

Year:  2012        PMID: 22346981      PMCID: PMC3275036          DOI: 10.1107/S1600536812000360

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For related syntheses, see: Bustos et al. (2007 ▶, 2009 ▶). For the biological activity of compounds with pyrazole nuclei, see: Card et al. (2005 ▶); Daidone et al. (1998 ▶); Devi et al. (1983 ▶); Eid et al. (1978 ▶); El-Emary & Bakhite (1999 ▶); Elguero et al. (2002 ▶); Habit & Tawil (1981 ▶); Haufel & Breitmaier (1974 ▶); Menozzi et al. (1997 ▶); Pathak & Bahel (1980 ▶); Penning et al. (1997 ▶); Rathelot et al. (1995 ▶); Tedlaouti et al. (1990 ▶, 1991 ▶); Terrett et al. (1996 ▶); Wustrow et al. (1998 ▶). For related structures, see: Duprez & Heumann (2004 ▶); Rojas et al. (2004 ▶).

Experimental

Crystal data

C19H20N4 M = 304.39 Monoclinic, a = 9.4320 (8) Å b = 19.1552 (17) Å c = 18.4511 (16) Å β = 101.931 (1)° V = 3261.6 (5) Å3 Z = 8 Mo Kα radiation μ = 0.08 mm−1 T = 150 K 0.37 × 0.20 × 0.15 mm

Data collection

Bruker D8 Discover with a SMART CCD area-detector diffractometer 25935 measured reflections 6641 independent reflections 4272 reflections with I > 2σ(I) R int = 0.044

Refinement

R[F 2 > 2σ(F 2)] = 0.046 wR(F 2) = 0.121 S = 0.90 6641 reflections 423 parameters H-atom parameters constrained Δρmax = 0.24 e Å−3 Δρmin = −0.26 e Å−3 Data collection: SMART (Bruker, 2001 ▶); cell refinement: SAINT (Bruker, 2000 ▶); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: XP in SHELXTL-PC (Sheldrick, 2008 ▶); software used to prepare material for publication: PLATON (Spek, 2009 ▶) and Mercury (Macrae et al., 2006 ▶). Crystal structure: contains datablock(s) global, I. DOI: 10.1107/S1600536812000360/lx2212sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S1600536812000360/lx2212Isup2.hkl Supplementary material file. DOI: 10.1107/S1600536812000360/lx2212Isup3.cml Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C19H20N4F(000) = 1296
Mr = 304.39Dx = 1.240 Mg m3
Monoclinic, P21/cMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybcCell parameters from 999 reflections
a = 9.4320 (8) Åθ = 2.1–26.3°
b = 19.1552 (17) ŵ = 0.08 mm1
c = 18.4511 (16) ÅT = 150 K
β = 101.931 (1)°Block, yellow
V = 3261.6 (5) Å30.37 × 0.20 × 0.15 mm
Z = 8
Bruker D8 Discover with a SMART CCD area-detector diffractometer4272 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tubeRint = 0.044
graphiteθmax = 26.3°, θmin = 2.1°
Detector resolution: 10.0 pixels mm-1h = −11→11
φ and ω scansk = −23→23
25935 measured reflectionsl = −23→23
6641 independent reflections
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.046Hydrogen site location: difference Fourier map
wR(F2) = 0.121H-atom parameters constrained
S = 0.90w = 1/[σ2(Fo2) + (0.0649P)2] where P = (Fo2 + 2Fc2)/3
6641 reflections(Δ/σ)max < 0.001
423 parametersΔρmax = 0.24 e Å3
0 restraintsΔρmin = −0.26 e Å3
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes.
Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > 2sigma(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.
xyzUiso*/Ueq
C10.62673 (19)0.86483 (8)0.38328 (9)0.0404 (4)
H1A0.72110.86550.41760.061*
H1B0.55780.89340.40340.061*
H1C0.63690.88370.33530.061*
C20.57203 (17)0.79090 (8)0.37339 (8)0.0294 (4)
C30.42693 (17)0.77661 (8)0.34211 (9)0.0309 (4)
H30.36140.81410.32760.037*
C40.37747 (17)0.70868 (8)0.33201 (9)0.0302 (4)
H40.27870.69980.31030.036*
C50.47198 (16)0.65319 (8)0.35359 (8)0.0257 (4)
C60.61738 (16)0.66681 (8)0.38429 (8)0.0289 (4)
H60.68320.62930.39830.035*
C70.66515 (17)0.73470 (8)0.39426 (8)0.0297 (4)
H70.76400.74340.41590.036*
C80.20938 (17)0.48098 (8)0.24859 (9)0.0358 (4)
H8A0.25790.50480.21340.054*
H8B0.15940.51550.27360.054*
H8C0.13870.44760.22190.054*
C90.31931 (16)0.44308 (8)0.30478 (8)0.0277 (4)
C100.43929 (16)0.46954 (8)0.35718 (8)0.0275 (4)
C110.50928 (17)0.41225 (8)0.39333 (9)0.0280 (4)
C120.64728 (17)0.40997 (8)0.45042 (9)0.0349 (4)
H12A0.62490.40620.49980.052*
H12B0.70270.45280.44750.052*
H12C0.70460.36950.44130.052*
C130.5456 (2)0.06412 (8)0.41684 (10)0.0429 (5)
H13A0.62970.05820.45760.064*
H13B0.56580.04260.37180.064*
H13C0.46090.04160.42980.064*
C140.51564 (17)0.14079 (8)0.40347 (9)0.0301 (4)
C150.54384 (16)0.18874 (8)0.46061 (9)0.0294 (4)
H150.58400.17270.50930.035*
C160.51557 (16)0.25916 (8)0.44941 (8)0.0285 (4)
H160.53370.29070.49000.034*
C170.46036 (15)0.28334 (8)0.37817 (8)0.0255 (4)
C180.42990 (17)0.23632 (8)0.31976 (9)0.0306 (4)
H180.39100.25250.27100.037*
C190.45630 (17)0.16604 (8)0.33258 (9)0.0335 (4)
H190.43370.13420.29240.040*
C20−0.0388 (2)0.93105 (8)0.58778 (10)0.0443 (5)
H20A−0.12750.93820.55020.066*
H20B0.04360.95170.57070.066*
H20C−0.04920.95330.63420.066*
C21−0.01315 (18)0.85406 (8)0.60040 (9)0.0310 (4)
C22−0.12431 (17)0.80610 (8)0.58325 (9)0.0313 (4)
H22−0.21880.82210.56130.038*
C23−0.10280 (16)0.73558 (8)0.59691 (9)0.0293 (4)
H23−0.18220.70410.58600.035*
C240.03503 (16)0.71101 (8)0.62659 (8)0.0252 (3)
C250.14958 (16)0.75778 (8)0.64444 (8)0.0293 (4)
H250.24440.74140.66500.035*
C260.12464 (17)0.82825 (8)0.63203 (9)0.0330 (4)
H260.20300.86000.64530.040*
C27−0.13084 (17)0.58129 (8)0.54119 (9)0.0320 (4)
H27A−0.22300.58780.55700.048*
H27B−0.13220.53660.51520.048*
H27C−0.11700.61940.50790.048*
C28−0.00930 (16)0.58146 (8)0.60756 (8)0.0267 (4)
C290.05751 (16)0.52430 (8)0.64582 (8)0.0271 (4)
C300.17037 (16)0.55115 (8)0.70209 (9)0.0296 (4)
C310.28088 (17)0.51354 (9)0.75777 (9)0.0384 (4)
H31A0.35120.54710.78440.058*
H31B0.33100.47930.73250.058*
H31C0.23310.48940.79300.058*
C32−0.09013 (19)0.12593 (8)0.59920 (10)0.0405 (4)
H32A−0.00230.10100.59360.061*
H32B−0.16240.12330.55270.061*
H32C−0.12930.10450.63910.061*
C33−0.05381 (16)0.20119 (8)0.61788 (9)0.0295 (4)
C340.02167 (16)0.22054 (8)0.68803 (9)0.0300 (4)
H340.04940.18580.72500.036*
C350.05680 (16)0.28949 (8)0.70455 (8)0.0293 (4)
H350.10870.30170.75260.035*
C360.01679 (16)0.34114 (8)0.65136 (8)0.0260 (4)
C37−0.05932 (16)0.32253 (8)0.58129 (9)0.0286 (4)
H37−0.08800.35750.54460.034*
C38−0.09334 (16)0.25366 (8)0.56474 (9)0.0302 (4)
H38−0.14450.24150.51650.036*
N10.41335 (14)0.58491 (6)0.33852 (7)0.0294 (3)
N20.49150 (14)0.53715 (7)0.37309 (7)0.0294 (3)
N30.31487 (13)0.37412 (7)0.30873 (7)0.0302 (3)
N40.43238 (13)0.35578 (7)0.36404 (7)0.0271 (3)
N50.06006 (13)0.63840 (7)0.64137 (7)0.0273 (3)
N60.17222 (14)0.62012 (7)0.69907 (7)0.0310 (3)
N70.01172 (13)0.45662 (7)0.62604 (7)0.0297 (3)
N80.06300 (14)0.41041 (6)0.67314 (7)0.0297 (3)
U11U22U33U12U13U23
C10.0460 (11)0.0336 (10)0.0415 (11)−0.0041 (8)0.0091 (9)0.0020 (8)
C20.0366 (9)0.0282 (9)0.0253 (9)−0.0023 (7)0.0103 (7)−0.0010 (7)
C30.0339 (9)0.0289 (9)0.0299 (9)0.0062 (7)0.0068 (7)0.0019 (7)
C40.0271 (8)0.0341 (10)0.0293 (9)0.0008 (7)0.0053 (7)0.0004 (7)
C50.0300 (8)0.0257 (9)0.0221 (8)−0.0015 (7)0.0071 (7)−0.0002 (7)
C60.0296 (9)0.0305 (9)0.0262 (9)0.0022 (7)0.0046 (7)0.0006 (7)
C70.0286 (8)0.0323 (9)0.0279 (9)−0.0017 (7)0.0051 (7)−0.0011 (7)
C80.0342 (9)0.0347 (10)0.0359 (10)0.0009 (8)0.0009 (8)0.0022 (8)
C90.0283 (8)0.0291 (9)0.0266 (9)−0.0001 (7)0.0075 (7)0.0002 (7)
C100.0287 (8)0.0275 (9)0.0272 (9)−0.0016 (7)0.0081 (7)0.0002 (7)
C110.0283 (8)0.0291 (9)0.0268 (9)−0.0033 (7)0.0062 (7)−0.0013 (7)
C120.0321 (9)0.0356 (10)0.0334 (10)−0.0063 (7)−0.0017 (8)0.0007 (8)
C130.0526 (12)0.0315 (10)0.0438 (11)0.0017 (9)0.0084 (9)0.0024 (8)
C140.0298 (8)0.0279 (9)0.0337 (10)−0.0026 (7)0.0088 (7)−0.0003 (8)
C150.0289 (9)0.0337 (10)0.0251 (9)0.0002 (7)0.0043 (7)0.0031 (7)
C160.0291 (8)0.0314 (9)0.0251 (9)−0.0016 (7)0.0059 (7)−0.0033 (7)
C170.0216 (8)0.0270 (9)0.0284 (9)−0.0012 (7)0.0063 (7)0.0005 (7)
C180.0334 (9)0.0335 (10)0.0245 (9)−0.0035 (7)0.0050 (7)0.0016 (7)
C190.0406 (10)0.0310 (10)0.0297 (9)−0.0067 (8)0.0088 (8)−0.0058 (8)
C200.0500 (12)0.0304 (10)0.0517 (12)0.0022 (8)0.0084 (10)0.0011 (9)
C210.0407 (10)0.0255 (9)0.0280 (9)0.0004 (8)0.0095 (8)−0.0002 (7)
C220.0304 (9)0.0302 (9)0.0325 (9)0.0057 (7)0.0049 (7)0.0012 (7)
C230.0269 (8)0.0284 (9)0.0326 (9)−0.0006 (7)0.0057 (7)0.0009 (7)
C240.0287 (8)0.0237 (8)0.0238 (8)0.0018 (7)0.0072 (7)0.0001 (7)
C250.0266 (8)0.0317 (9)0.0287 (9)−0.0004 (7)0.0038 (7)−0.0023 (7)
C260.0327 (9)0.0293 (9)0.0376 (10)−0.0053 (7)0.0083 (8)−0.0024 (8)
C270.0327 (9)0.0315 (9)0.0300 (9)−0.0036 (7)0.0025 (7)−0.0013 (7)
C280.0269 (8)0.0265 (9)0.0278 (9)−0.0003 (7)0.0077 (7)−0.0008 (7)
C290.0287 (8)0.0265 (9)0.0269 (9)0.0006 (7)0.0073 (7)−0.0003 (7)
C300.0307 (9)0.0277 (9)0.0305 (9)0.0032 (7)0.0066 (7)−0.0006 (7)
C310.0383 (10)0.0376 (10)0.0358 (10)0.0066 (8)−0.0003 (8)0.0017 (8)
C320.0454 (11)0.0294 (10)0.0439 (11)−0.0024 (8)0.0027 (9)0.0003 (8)
C330.0266 (8)0.0282 (9)0.0344 (10)0.0009 (7)0.0080 (7)0.0005 (7)
C340.0328 (9)0.0282 (9)0.0291 (9)0.0034 (7)0.0068 (7)0.0052 (7)
C350.0310 (9)0.0318 (9)0.0249 (9)0.0021 (7)0.0049 (7)0.0012 (7)
C360.0231 (8)0.0258 (9)0.0298 (9)0.0006 (7)0.0067 (7)−0.0009 (7)
C370.0270 (8)0.0294 (9)0.0282 (9)0.0000 (7)0.0029 (7)0.0047 (7)
C380.0291 (9)0.0344 (10)0.0258 (9)−0.0011 (7)0.0025 (7)−0.0006 (7)
N10.0297 (7)0.0274 (8)0.0306 (8)0.0009 (6)0.0054 (6)−0.0002 (6)
N20.0315 (7)0.0290 (8)0.0282 (8)−0.0009 (6)0.0071 (6)−0.0003 (6)
N30.0287 (7)0.0325 (8)0.0277 (8)0.0006 (6)0.0019 (6)0.0021 (6)
N40.0240 (7)0.0283 (8)0.0272 (7)0.0000 (6)0.0015 (6)0.0011 (6)
N50.0262 (7)0.0268 (7)0.0275 (7)0.0024 (6)0.0021 (6)0.0013 (6)
N60.0299 (7)0.0307 (8)0.0297 (8)0.0030 (6)0.0001 (6)−0.0009 (6)
N70.0305 (7)0.0282 (8)0.0310 (8)−0.0003 (6)0.0077 (6)0.0004 (6)
N80.0311 (7)0.0257 (8)0.0324 (8)0.0018 (6)0.0067 (6)0.0012 (6)
C1—C21.505 (2)C20—H20B0.9800
C1—H1A0.9800C20—H20C0.9800
C1—H1B0.9800C21—C221.381 (2)
C1—H1C0.9800C21—C261.400 (2)
C2—C71.392 (2)C22—C231.381 (2)
C2—C31.398 (2)C22—H220.9500
C3—C41.382 (2)C23—C241.385 (2)
C3—H30.9500C23—H230.9500
C4—C51.391 (2)C24—C251.390 (2)
C4—H40.9500C24—N51.4277 (18)
C5—C61.396 (2)C25—C261.381 (2)
C5—N11.4250 (18)C25—H250.9500
C6—C71.376 (2)C26—H260.9500
C6—H60.9500C27—C281.494 (2)
C7—H70.9500C27—H27A0.9800
C8—C91.494 (2)C27—H27B0.9800
C8—H8A0.9800C27—H27C0.9800
C8—H8B0.9800C28—N51.3557 (18)
C8—H8C0.9800C28—C291.382 (2)
C9—N31.3241 (19)C29—N71.3912 (18)
C9—C101.421 (2)C29—C301.421 (2)
C10—C111.380 (2)C30—N61.3226 (19)
C10—N21.3949 (18)C30—C311.489 (2)
C11—N41.3513 (18)C31—H31A0.9800
C11—C121.496 (2)C31—H31B0.9800
C12—H12A0.9800C31—H31C0.9800
C12—H12B0.9800C32—C331.505 (2)
C12—H12C0.9800C32—H32A0.9800
C13—C141.506 (2)C32—H32B0.9800
C13—H13A0.9800C32—H32C0.9800
C13—H13B0.9800C33—C341.392 (2)
C13—H13C0.9800C33—C381.400 (2)
C14—C151.382 (2)C34—C351.380 (2)
C14—C191.398 (2)C34—H340.9500
C15—C161.382 (2)C35—C361.390 (2)
C15—H150.9500C35—H350.9500
C16—C171.390 (2)C36—C371.389 (2)
C16—H160.9500C36—N81.4281 (18)
C17—C181.388 (2)C37—C381.377 (2)
C17—N41.4265 (18)C37—H370.9500
C18—C191.381 (2)C38—H380.9500
C18—H180.9500N1—N21.2620 (16)
C19—H190.9500N3—N41.3877 (16)
C20—C211.505 (2)N5—N61.3818 (16)
C20—H20A0.9800N7—N81.2646 (17)
C2—C1—H1A109.5C22—C21—C26117.12 (14)
C2—C1—H1B109.5C22—C21—C20121.78 (15)
H1A—C1—H1B109.5C26—C21—C20121.08 (15)
C2—C1—H1C109.5C21—C22—C23122.21 (15)
H1A—C1—H1C109.5C21—C22—H22118.9
H1B—C1—H1C109.5C23—C22—H22118.9
C7—C2—C3118.06 (14)C22—C23—C24119.67 (15)
C7—C2—C1120.87 (15)C22—C23—H23120.2
C3—C2—C1121.06 (15)C24—C23—H23120.2
C4—C3—C2120.96 (15)C23—C24—C25119.68 (14)
C4—C3—H3119.5C23—C24—N5120.75 (13)
C2—C3—H3119.5C25—C24—N5119.54 (13)
C3—C4—C5120.15 (15)C26—C25—C24119.55 (15)
C3—C4—H4119.9C26—C25—H25120.2
C5—C4—H4119.9C24—C25—H25120.2
C4—C5—C6119.40 (14)C25—C26—C21121.73 (15)
C4—C5—N1116.46 (13)C25—C26—H26119.1
C6—C5—N1124.04 (14)C21—C26—H26119.1
C7—C6—C5119.86 (15)C28—C27—H27A109.5
C7—C6—H6120.1C28—C27—H27B109.5
C5—C6—H6120.1H27A—C27—H27B109.5
C6—C7—C2121.55 (15)C28—C27—H27C109.5
C6—C7—H7119.2H27A—C27—H27C109.5
C2—C7—H7119.2H27B—C27—H27C109.5
C9—C8—H8A109.5N5—C28—C29106.05 (14)
C9—C8—H8B109.5N5—C28—C27126.45 (14)
H8A—C8—H8B109.5C29—C28—C27127.48 (14)
C9—C8—H8C109.5C28—C29—N7121.34 (14)
H8A—C8—H8C109.5C28—C29—C30106.27 (13)
H8B—C8—H8C109.5N7—C29—C30132.38 (14)
N3—C9—C10110.37 (14)N6—C30—C29110.19 (14)
N3—C9—C8119.84 (14)N6—C30—C31119.92 (14)
C10—C9—C8129.75 (14)C29—C30—C31129.85 (15)
C11—C10—N2121.59 (14)C30—C31—H31A109.5
C11—C10—C9106.22 (13)C30—C31—H31B109.5
N2—C10—C9132.15 (14)H31A—C31—H31B109.5
N4—C11—C10106.25 (14)C30—C31—H31C109.5
N4—C11—C12125.10 (14)H31A—C31—H31C109.5
C10—C11—C12128.56 (14)H31B—C31—H31C109.5
C11—C12—H12A109.5C33—C32—H32A109.5
C11—C12—H12B109.5C33—C32—H32B109.5
H12A—C12—H12B109.5H32A—C32—H32B109.5
C11—C12—H12C109.5C33—C32—H32C109.5
H12A—C12—H12C109.5H32A—C32—H32C109.5
H12B—C12—H12C109.5H32B—C32—H32C109.5
C14—C13—H13A109.5C34—C33—C38118.10 (14)
C14—C13—H13B109.5C34—C33—C32121.09 (14)
H13A—C13—H13B109.5C38—C33—C32120.81 (15)
C14—C13—H13C109.5C35—C34—C33120.89 (15)
H13A—C13—H13C109.5C35—C34—H34119.6
H13B—C13—H13C109.5C33—C34—H34119.6
C15—C14—C19117.42 (15)C34—C35—C36120.50 (15)
C15—C14—C13121.53 (15)C34—C35—H35119.8
C19—C14—C13121.04 (15)C36—C35—H35119.8
C14—C15—C16122.26 (15)C37—C36—C35119.15 (14)
C14—C15—H15118.9C37—C36—N8124.70 (14)
C16—C15—H15118.9C35—C36—N8116.12 (14)
C15—C16—C17119.32 (14)C38—C37—C36120.27 (15)
C15—C16—H16120.3C38—C37—H37119.9
C17—C16—H16120.3C36—C37—H37119.9
C18—C17—C16119.68 (14)C37—C38—C33121.10 (15)
C18—C17—N4119.24 (14)C37—C38—H38119.5
C16—C17—N4121.08 (14)C33—C38—H38119.5
C19—C18—C17119.90 (15)N2—N1—C5113.85 (13)
C19—C18—H18120.0N1—N2—C10115.00 (13)
C17—C18—H18120.0C9—N3—N4105.28 (12)
C18—C19—C14121.37 (15)C11—N4—N3111.87 (12)
C18—C19—H19119.3C11—N4—C17129.93 (13)
C14—C19—H19119.3N3—N4—C17118.04 (12)
C21—C20—H20A109.5C28—N5—N6111.74 (12)
C21—C20—H20B109.5C28—N5—C24130.61 (13)
H20A—C20—H20B109.5N6—N5—C24117.65 (12)
C21—C20—H20C109.5C30—N6—N5105.72 (12)
H20A—C20—H20C109.5N8—N7—C29114.72 (13)
H20B—C20—H20C109.5N7—N8—C36113.94 (13)
C7—C2—C3—C4−0.2 (2)N7—C29—C30—C312.1 (3)
C1—C2—C3—C4178.96 (14)C38—C33—C34—C35−0.2 (2)
C2—C3—C4—C50.5 (2)C32—C33—C34—C35178.94 (14)
C3—C4—C5—C6−1.1 (2)C33—C34—C35—C360.3 (2)
C3—C4—C5—N1−177.62 (13)C34—C35—C36—C370.1 (2)
C4—C5—C6—C71.3 (2)C34—C35—C36—N8−177.74 (13)
N1—C5—C6—C7177.54 (13)C35—C36—C37—C38−0.6 (2)
C5—C6—C7—C2−0.9 (2)N8—C36—C37—C38177.05 (14)
C3—C2—C7—C60.4 (2)C36—C37—C38—C330.7 (2)
C1—C2—C7—C6−178.76 (14)C34—C33—C38—C37−0.3 (2)
N3—C9—C10—C110.47 (17)C32—C33—C38—C37−179.43 (14)
C8—C9—C10—C11−177.43 (15)C4—C5—N1—N2−165.00 (13)
N3—C9—C10—N2178.31 (15)C6—C5—N1—N218.6 (2)
C8—C9—C10—N20.4 (3)C5—N1—N2—C10−177.65 (12)
N2—C10—C11—N4−178.96 (13)C11—C10—N2—N1−176.78 (14)
C9—C10—C11—N4−0.84 (17)C9—C10—N2—N15.6 (2)
N2—C10—C11—C12−2.3 (3)C10—C9—N3—N40.10 (16)
C9—C10—C11—C12175.78 (15)C8—C9—N3—N4178.24 (13)
C19—C14—C15—C16−0.1 (2)C10—C11—N4—N30.96 (17)
C13—C14—C15—C16−179.32 (14)C12—C11—N4—N3−175.82 (14)
C14—C15—C16—C17−1.7 (2)C10—C11—N4—C17176.29 (13)
C15—C16—C17—C182.1 (2)C12—C11—N4—C17−0.5 (3)
C15—C16—C17—N4−178.76 (13)C9—N3—N4—C11−0.66 (16)
C16—C17—C18—C19−0.8 (2)C9—N3—N4—C17−176.61 (12)
N4—C17—C18—C19−179.95 (13)C18—C17—N4—C11−141.55 (16)
C17—C18—C19—C14−1.0 (2)C16—C17—N4—C1139.3 (2)
C15—C14—C19—C181.4 (2)C18—C17—N4—N333.53 (19)
C13—C14—C19—C18−179.32 (15)C16—C17—N4—N3−145.59 (14)
C26—C21—C22—C230.5 (2)C29—C28—N5—N61.63 (17)
C20—C21—C22—C23−177.80 (15)C27—C28—N5—N6−176.99 (14)
C21—C22—C23—C24−2.1 (2)C29—C28—N5—C24−178.40 (13)
C22—C23—C24—C252.0 (2)C27—C28—N5—C243.0 (3)
C22—C23—C24—N5179.86 (13)C23—C24—N5—C2829.9 (2)
C23—C24—C25—C26−0.3 (2)C25—C24—N5—C28−152.21 (15)
N5—C24—C25—C26−178.23 (13)C23—C24—N5—N6−150.15 (14)
C24—C25—C26—C21−1.3 (2)C25—C24—N5—N627.76 (19)
C22—C21—C26—C251.2 (2)C29—C30—N6—N50.50 (16)
C20—C21—C26—C25179.52 (15)C31—C30—N6—N5178.53 (13)
N5—C28—C29—N7179.31 (12)C28—N5—N6—C30−1.35 (16)
C27—C28—C29—N7−2.1 (2)C24—N5—N6—C30178.68 (12)
N5—C28—C29—C30−1.24 (17)C28—C29—N7—N8−167.46 (14)
C27—C28—C29—C30177.37 (15)C30—C29—N7—N813.3 (2)
C28—C29—C30—N60.46 (18)C29—N7—N8—C36−178.99 (12)
N7—C29—C30—N6179.83 (15)C37—C36—N8—N79.3 (2)
C28—C29—C30—C31−177.31 (16)C35—C36—N8—N7−172.99 (13)
Cg1 and Cg2 are the centroids of the C33–C38 benzene ring and the N4/N3/C9–C11 pyrazole ring, respectively.
D—H···AD—HH···AD···AD—H···A
C7—H7···Cg1i0.952.763.4847 (18)133
C27—H27A···Cg2ii0.982.723.6322 (18)156
Table 1

Hydrogen-bond geometry (Å, °)

Cg1 and Cg2 are the centroids of the C33–C38 benzene ring and the N4/N3/C9–C11 pyrazole ring, respectively.

D—H⋯AD—HH⋯ADAD—H⋯A
C7—H7⋯Cg1i0.952.763.4847 (18)133
C27—H27ACg2ii0.982.723.6322 (18)156

Symmetry codes: (i) ; (ii) .

  9 in total

1.  Synthesis and biological evaluation of the 1,5-diarylpyrazole class of cyclooxygenase-2 inhibitors: identification of 4-[5-(4-methylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]benze nesulfonamide (SC-58635, celecoxib).

Authors:  T D Penning; J J Talley; S R Bertenshaw; J S Carter; P W Collins; S Docter; M J Graneto; L F Lee; J W Malecha; J M Miyashiro; R S Rogers; D J Rogier; S S Yu; E G Burton; J N Cogburn; S A Gregory; C M Koboldt; W E Perkins; K Seibert; A W Veenhuizen; Y Y Zhang; P C Isakson
Journal:  J Med Chem       Date:  1997-04-25       Impact factor: 7.446

2.  A family of phosphodiesterase inhibitors discovered by cocrystallography and scaffold-based drug design.

Authors:  Graeme L Card; Landy Blasdel; Bruce P England; Chao Zhang; Yoshihisa Suzuki; Sam Gillette; Daniel Fong; Prabha N Ibrahim; Dean R Artis; Gideon Bollag; Michael V Milburn; Sung-Hou Kim; Joseph Schlessinger; Kam Y J Zhang
Journal:  Nat Biotechnol       Date:  2005-01-30       Impact factor: 54.908

3.  Synthesis and study of antiprotozoal activity of some 5-nitrothiophene aldimines.

Authors:  F Tedlaouti; M Gasquet; F Delmas; B Majester; P Timon-David; N Madadi; P Vanelle; J Maldonado
Journal:  Farmaco       Date:  1991-10

4.  A short history of SHELX.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A       Date:  2007-12-21       Impact factor: 2.290

5.  Pyrazolo[1,5-a]pyrimidine CRF-1 receptor antagonists.

Authors:  D J Wustrow; T Capiris; R Rubin; J A Knobelsdorf; H Akunne; M D Davis; R MacKenzie; T A Pugsley; K T Zoski; T G Heffner; L D Wise
Journal:  Bioorg Med Chem Lett       Date:  1998-08-18       Impact factor: 2.823

6.  Synthesis of new pyrazolones as potent anti-inflammatory agents.

Authors:  A I Eid; M A Kira; H H Fahmy
Journal:  J Pharm Belg       Date:  1978 Sep-Oct

7.  Synthesis and biological screening of new 1,3-diphenylpyrazoles with different heterocyclic moieties at position-4.

Authors:  T I el-Emary; E A Bakhite
Journal:  Pharmazie       Date:  1999-02       Impact factor: 1.267

8.  Evaluation of the antimalarial activity of new compounds against Plasmodium falciparum in vitro, and Plasmodium berghei in vivo.

Authors:  F Tedlaouti; M Gasquet; F Delmas; P Timon-David; N E Madadi; P Vanelle; J Maldonado
Journal:  J Pharm Belg       Date:  1990 Sep-Oct

9.  Structure validation in chemical crystallography.

Authors:  Anthony L Spek
Journal:  Acta Crystallogr D Biol Crystallogr       Date:  2009-01-20
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1.  (Z)-1-(2-Chloro-phen-yl)-3-methyl-4-[2-(4-nitro-phen-yl)hydrazin-1-yl-idene]-1H-pyrazol-5(4H)-one.

Authors:  Carlos Bustos; Andrés Escobar-Fuentealba; Luis Alvarez-Thon; Rodrigo Faundez-Gutierrez; Maria Teresa Garland
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2012-07-07
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