Literature DB >> 21523134

1,5-Dimethyl-4-{[(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl-idene)(thio-phen-2-yl)meth-yl]amino}-2-phenyl-1H-pyrazol-3(2H)-one.

Hualing Zhu, Litong Ban, Pingping Zhang, Xinxin Zhao, Junjie Ren.   

Abstract

In the title compound, C(26)H(23)N(5)O(2)S, an intra-molecular N-H⋯O inter-action generates an S(6) ring. The essentially planar S(6) and pyrazole rings [maximum deviations = -0.0270 (14) and 0.0195 (15) Å, respectively] are nearly coplanar, making a dihedral angle of 3.94 (6)°. The S(6) ring makes dihedral angles of 23.79 (6), 78.53 (6) and 67.91 (6)° with the pyrazolone ring, the pyrazole ring and the benzene ring of anti-pyrine, respectively. The structure exhibits a thienyl-ring flip disorder with occupancy factors in the ratio 0.82:0.18.

Entities:  

Year:  2011        PMID: 21523134      PMCID: PMC3051767          DOI: 10.1107/S1600536811002467

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


Related literature

For general background to pyrazolo­nes, see: Casas et al. (2007 ▶). For the anti­bacterial activity of pyrazolone Schiff bases, see: Zhang et al. (2008 ▶); Li et al. (2000 ▶). For our previous work in this area, see: Zhu et al. (2010a ▶,b ▶). For related structures, see: Shi et al. (2005 ▶); Goh et al. (2009 ▶). For disordered thienyl rings, see: Crundwell et al. (2003 ▶).

Experimental

Crystal data

C26H23N5O2S M = 469.55 Monoclinic, a = 27.098 (3) Å b = 7.9045 (8) Å c = 22.308 (2) Å β = 99.011 (8)° V = 4719.4 (9) Å3 Z = 8 Mo Kα radiation μ = 0.17 mm−1 T = 293 K 0.42 × 0.36 × 0.34 mm

Data collection

Rigaku Saturn diffractometer Absorption correction: multi-scan (CrystalClear; Rigaku, 2008 ▶) T min = 0.932, T max = 0.944 22080 measured reflections 5570 independent reflections 3806 reflections with I > 2σ(I) R int = 0.037

Refinement

R[F 2 > 2σ(F 2)] = 0.049 wR(F 2) = 0.144 S = 1.02 5570 reflections 322 parameters 22 restraints H-atom parameters constrained Δρmax = 0.23 e Å−3 Δρmin = −0.25 e Å−3 Data collection: CrystalClear (Rigaku, 2008 ▶); cell refinement: CrystalClear; data reduction: CrystalClear; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: ORTEPIII (Burnett & Johnson, 1996 ▶) and ORTEP-3 for Windows (Farrugia, 1997 ▶); software used to prepare material for publication: SHELXL97. Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536811002467/dn2653sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536811002467/dn2653Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C26H23N5O2SF(000) = 1968
Mr = 469.55Dx = 1.322 Mg m3
Monoclinic, C2/cMo Kα radiation, λ = 0.71075 Å
Hall symbol: -C 2ycCell parameters from 5913 reflections
a = 27.098 (3) Åθ = 2.6–27.9°
b = 7.9045 (8) ŵ = 0.17 mm1
c = 22.308 (2) ÅT = 293 K
β = 99.011 (8)°Prism, colourless
V = 4719.4 (9) Å30.42 × 0.36 × 0.34 mm
Z = 8
Rigaku Saturn diffractometer5570 independent reflections
Radiation source: rotating anode3806 reflections with I > 2σ(I)
multilayerRint = 0.037
Detector resolution: 7.31 pixels mm-1θmax = 27.9°, θmin = 2.6°
ω scansh = −35→35
Absorption correction: multi-scan (CrystalClear; Rigaku, 2008)k = −10→8
Tmin = 0.932, Tmax = 0.944l = −29→29
22080 measured 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)] = 0.049Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.144H-atom parameters constrained
S = 1.02w = 1/[σ2(Fo2) + (0.0825P)2] where P = (Fo2 + 2Fc2)/3
5570 reflections(Δ/σ)max = 0.003
322 parametersΔρmax = 0.23 e Å3
22 restraintsΔρmin = −0.25 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 > σ(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*/UeqOcc. (<1)
O10.25433 (4)1.02510 (13)0.08661 (6)0.0607 (3)
O20.08792 (4)0.72515 (16)−0.01432 (5)0.0574 (3)
N10.30507 (4)0.78662 (15)0.09168 (6)0.0454 (3)
N20.29718 (5)0.61104 (15)0.09307 (6)0.0453 (3)
N30.17055 (5)0.75910 (17)0.06681 (6)0.0490 (3)
H30.15580.75730.02980.059*
N40.01707 (5)0.77052 (16)0.03130 (6)0.0483 (3)
N50.00673 (5)0.81903 (18)0.08851 (7)0.0531 (4)
C10.25902 (6)0.87031 (19)0.08467 (7)0.0440 (4)
C20.22290 (5)0.73667 (18)0.07704 (7)0.0418 (3)
C30.24689 (6)0.58580 (18)0.07935 (7)0.0431 (3)
C40.22546 (7)0.4148 (2)0.06696 (9)0.0652 (5)
H4A0.19000.41900.06650.098*
H4B0.24020.33830.09810.098*
H4C0.23230.37620.02830.098*
C50.35010 (6)0.8549 (2)0.12487 (7)0.0473 (4)
C60.36892 (6)1.0029 (2)0.10435 (8)0.0560 (4)
H60.35231.05630.06980.067*
C70.41249 (7)1.0712 (3)0.13541 (11)0.0717 (6)
H70.42501.17200.12230.086*
C80.43721 (8)0.9902 (3)0.18544 (12)0.0836 (7)
H80.46671.03570.20600.100*
C90.41887 (8)0.8425 (3)0.20554 (10)0.0843 (6)
H90.43630.78760.23920.101*
C100.37464 (7)0.7747 (3)0.17596 (9)0.0655 (5)
H100.36160.67650.19030.079*
C110.33387 (7)0.4992 (2)0.07232 (9)0.0628 (5)
H11A0.33370.39180.09240.094*
H11B0.36650.54890.08160.094*
H11C0.32560.48320.02930.094*
C120.14164 (6)0.78314 (18)0.11001 (7)0.0431 (4)
S10.16071 (3)0.63681 (8)0.22363 (3)0.0702 (2)0.82
C130.16636 (6)0.79831 (19)0.17339 (7)0.0468 (4)0.82
C140.19533 (11)0.9188 (3)0.20297 (12)0.0704 (8)0.82
H140.20311.01690.18340.085*0.82
C150.21288 (18)0.8917 (6)0.26270 (14)0.0765 (8)0.82
H150.23300.96750.28740.092*0.82
C160.19767 (14)0.7430 (5)0.28143 (13)0.0709 (9)0.82
H160.20600.70180.32080.085*0.82
S1'0.20046 (19)0.9710 (5)0.1965 (2)0.0702 (2)0.18
C13'0.16636 (6)0.79831 (19)0.17339 (7)0.0468 (4)0.18
C14'0.1637 (5)0.6894 (16)0.2181 (5)0.0704 (8)0.18
H14'0.14630.58770.21230.085*0.18
C15'0.1879 (8)0.738 (2)0.2721 (6)0.0765 (8)0.18
H15'0.18950.67450.30750.092*0.18
C16'0.2097 (7)0.889 (2)0.2692 (6)0.0709 (9)0.18
H16'0.22780.94320.30250.085*0.18
C170.06744 (5)0.75638 (19)0.03103 (7)0.0449 (4)
C180.09039 (6)0.78841 (18)0.09237 (7)0.0437 (4)
C190.04936 (6)0.8289 (2)0.12425 (8)0.0504 (4)
C200.05032 (7)0.8851 (3)0.18855 (9)0.0727 (6)
H20A0.01810.92850.19340.109*
H20B0.07500.97210.19820.109*
H20C0.05850.79070.21530.109*
C21−0.02273 (6)0.75001 (19)−0.01723 (7)0.0468 (4)
C22−0.01595 (7)0.6573 (2)−0.06807 (8)0.0579 (4)
H220.01490.6082−0.07060.069*
C23−0.05544 (7)0.6384 (2)−0.11491 (9)0.0648 (5)
H23−0.05110.5759−0.14900.078*
C24−0.10124 (7)0.7112 (2)−0.11174 (9)0.0650 (5)
H24−0.12760.6986−0.14360.078*
C25−0.10744 (7)0.8021 (2)−0.06118 (9)0.0618 (5)
H25−0.13830.8510−0.05880.074*
C26−0.06879 (6)0.8225 (2)−0.01381 (9)0.0540 (4)
H26−0.07350.88440.02030.065*
U11U22U33U12U13U23
O10.0648 (7)0.0375 (6)0.0805 (9)0.0072 (5)0.0132 (6)0.0016 (5)
O20.0493 (6)0.0790 (8)0.0465 (7)0.0004 (6)0.0160 (5)−0.0109 (6)
N10.0438 (7)0.0364 (7)0.0564 (8)0.0001 (5)0.0095 (6)−0.0004 (5)
N20.0477 (8)0.0353 (7)0.0541 (8)0.0042 (5)0.0122 (6)−0.0015 (5)
N30.0451 (7)0.0643 (8)0.0390 (7)0.0024 (6)0.0108 (6)−0.0003 (6)
N40.0422 (7)0.0559 (8)0.0494 (8)−0.0021 (6)0.0152 (6)−0.0073 (6)
N50.0494 (8)0.0609 (9)0.0531 (8)−0.0029 (6)0.0206 (7)−0.0073 (6)
C10.0466 (9)0.0403 (8)0.0462 (9)0.0041 (7)0.0108 (7)0.0004 (6)
C20.0427 (8)0.0444 (8)0.0395 (8)0.0028 (6)0.0100 (6)0.0004 (6)
C30.0506 (9)0.0411 (8)0.0393 (8)−0.0014 (7)0.0122 (7)0.0008 (6)
C40.0727 (12)0.0466 (10)0.0756 (13)−0.0091 (9)0.0088 (10)−0.0026 (8)
C50.0449 (9)0.0492 (9)0.0496 (9)−0.0004 (7)0.0132 (7)−0.0053 (7)
C60.0548 (10)0.0545 (10)0.0615 (11)−0.0064 (8)0.0180 (8)−0.0054 (8)
C70.0580 (12)0.0731 (13)0.0879 (15)−0.0165 (10)0.0234 (11)−0.0217 (11)
C80.0542 (12)0.1040 (18)0.0905 (17)−0.0113 (12)0.0047 (12)−0.0319 (14)
C90.0697 (14)0.1072 (18)0.0688 (14)0.0025 (13)−0.0116 (11)−0.0062 (13)
C100.0655 (12)0.0736 (13)0.0562 (11)−0.0005 (10)0.0059 (9)0.0044 (9)
C110.0650 (11)0.0491 (10)0.0797 (13)0.0140 (8)0.0277 (10)−0.0015 (9)
C120.0502 (9)0.0384 (8)0.0426 (8)−0.0014 (6)0.0134 (7)0.0004 (6)
S10.0933 (5)0.0628 (5)0.0532 (4)−0.0107 (4)0.0077 (3)0.0143 (3)
C130.0493 (9)0.0510 (9)0.0418 (8)0.0006 (7)0.0129 (7)−0.0007 (7)
C140.111 (2)0.0564 (18)0.0461 (14)−0.0152 (16)0.0183 (13)0.0058 (12)
C150.0871 (19)0.096 (2)0.0469 (15)−0.0203 (15)0.0134 (14)−0.0138 (14)
C160.079 (2)0.093 (2)0.0389 (14)0.0077 (16)0.0025 (13)0.0086 (14)
S1'0.0933 (5)0.0628 (5)0.0532 (4)−0.0107 (4)0.0077 (3)0.0143 (3)
C13'0.0493 (9)0.0510 (9)0.0418 (8)0.0006 (7)0.0129 (7)−0.0007 (7)
C14'0.111 (2)0.0564 (18)0.0461 (14)−0.0152 (16)0.0183 (13)0.0058 (12)
C15'0.0871 (19)0.096 (2)0.0469 (15)−0.0203 (15)0.0134 (14)−0.0138 (14)
C16'0.079 (2)0.093 (2)0.0389 (14)0.0077 (16)0.0025 (13)0.0086 (14)
C170.0441 (9)0.0447 (8)0.0481 (9)−0.0024 (7)0.0144 (7)−0.0034 (6)
C180.0440 (9)0.0450 (8)0.0447 (8)−0.0030 (6)0.0149 (7)−0.0023 (6)
C190.0507 (10)0.0533 (9)0.0509 (9)−0.0034 (7)0.0197 (8)−0.0041 (7)
C200.0693 (12)0.0975 (16)0.0566 (11)0.0001 (10)0.0262 (9)−0.0158 (10)
C210.0442 (9)0.0437 (8)0.0537 (9)−0.0050 (7)0.0113 (7)0.0004 (7)
C220.0509 (10)0.0610 (11)0.0621 (11)0.0011 (8)0.0097 (8)−0.0105 (8)
C230.0668 (12)0.0650 (12)0.0613 (12)−0.0039 (9)0.0056 (9)−0.0120 (9)
C240.0592 (11)0.0631 (12)0.0688 (12)−0.0045 (9)−0.0019 (9)0.0008 (9)
C250.0492 (10)0.0544 (11)0.0810 (14)0.0022 (8)0.0077 (9)0.0043 (9)
C260.0488 (10)0.0487 (9)0.0660 (11)−0.0009 (7)0.0138 (8)−0.0033 (8)
O1—C11.2316 (17)C12—C181.384 (2)
O2—C171.2524 (16)C12—C131.472 (2)
N1—C11.3994 (19)S1—C131.7213 (16)
N1—N21.4054 (17)S1—C161.722 (3)
N1—C51.430 (2)C13—C141.340 (3)
N2—C31.3637 (19)C14—C151.360 (4)
N2—C111.4590 (19)C14—H140.9300
N3—C121.3471 (18)C15—C161.335 (3)
N3—C21.412 (2)C15—H150.9300
N3—H30.8600C16—H160.9300
N4—C171.3703 (19)S1'—C16'1.728 (10)
N4—N51.4023 (17)C14'—C15'1.336 (8)
N4—C211.413 (2)C14'—H14'0.9300
N5—C191.299 (2)C15'—C16'1.336 (8)
C1—C21.432 (2)C15'—H15'0.9300
C2—C31.355 (2)C16'—H16'0.9300
C3—C41.480 (2)C17—C181.434 (2)
C4—H4A0.9600C18—C191.446 (2)
C4—H4B0.9600C19—C201.498 (2)
C4—H4C0.9600C20—H20A0.9600
C5—C101.380 (2)C20—H20B0.9600
C5—C61.383 (2)C20—H20C0.9600
C6—C71.382 (3)C21—C261.386 (2)
C6—H60.9300C21—C221.387 (2)
C7—C81.368 (3)C22—C231.382 (3)
C7—H70.9300C22—H220.9300
C8—C91.371 (3)C23—C241.380 (3)
C8—H80.9300C23—H230.9300
C9—C101.382 (3)C24—C251.370 (3)
C9—H90.9300C24—H240.9300
C10—H100.9300C25—C261.376 (3)
C11—H11A0.9600C25—H250.9300
C11—H11B0.9600C26—H260.9300
C11—H11C0.9600
C1—N1—N2109.46 (11)C18—C12—C13123.81 (13)
C1—N1—C5123.58 (12)C13—S1—C1691.47 (12)
N2—N1—C5118.79 (12)C14—C13—C12132.40 (16)
C3—N2—N1106.84 (11)C14—C13—S1108.14 (15)
C3—N2—C11123.14 (13)C12—C13—S1119.45 (12)
N1—N2—C11118.55 (12)C13—C14—C15117.3 (3)
C12—N3—C2125.74 (14)C13—C14—H14121.3
C12—N3—H3117.1C15—C14—H14121.3
C2—N3—H3117.1C16—C15—C14111.6 (3)
C17—N4—N5111.56 (13)C16—C15—H15124.2
C17—N4—C21128.95 (13)C14—C15—H15124.2
N5—N4—C21119.43 (12)C15—C16—S1111.5 (3)
C19—N5—N4106.83 (12)C15—C16—H16124.2
O1—C1—N1124.12 (14)S1—C16—H16124.2
O1—C1—C2131.66 (14)C15'—C14'—H14'122.8
N1—C1—C2104.21 (12)C16'—C15'—C14'111.7 (12)
C3—C2—N3125.48 (14)C16'—C15'—H15'124.1
C3—C2—C1109.25 (13)C14'—C15'—H15'124.1
N3—C2—C1125.25 (13)C15'—C16'—S1'112.5 (11)
C2—C3—N2109.66 (13)C15'—C16'—H16'123.7
C2—C3—C4128.65 (15)S1'—C16'—H16'123.7
N2—C3—C4121.65 (14)O2—C17—N4125.97 (15)
C3—C4—H4A109.5O2—C17—C18128.66 (14)
C3—C4—H4B109.5N4—C17—C18105.36 (12)
H4A—C4—H4B109.5C12—C18—C17122.15 (13)
C3—C4—H4C109.5C12—C18—C19132.96 (15)
H4A—C4—H4C109.5C17—C18—C19104.85 (13)
H4B—C4—H4C109.5N5—C19—C18111.29 (14)
C10—C5—C6120.45 (17)N5—C19—C20119.07 (14)
C10—C5—N1121.06 (15)C18—C19—C20129.57 (16)
C6—C5—N1118.48 (15)C19—C20—H20A109.5
C7—C6—C5119.67 (19)C19—C20—H20B109.5
C7—C6—H6120.2H20A—C20—H20B109.5
C5—C6—H6120.2C19—C20—H20C109.5
C8—C7—C6119.8 (2)H20A—C20—H20C109.5
C8—C7—H7120.1H20B—C20—H20C109.5
C6—C7—H7120.1C26—C21—C22119.95 (16)
C7—C8—C9120.6 (2)C26—C21—N4119.76 (15)
C7—C8—H8119.7C22—C21—N4120.29 (14)
C9—C8—H8119.7C23—C22—C21119.30 (16)
C8—C9—C10120.4 (2)C23—C22—H22120.3
C8—C9—H9119.8C21—C22—H22120.3
C10—C9—H9119.8C24—C23—C22120.84 (18)
C5—C10—C9119.1 (2)C24—C23—H23119.6
C5—C10—H10120.5C22—C23—H23119.6
C9—C10—H10120.5C25—C24—C23119.24 (18)
N2—C11—H11A109.5C25—C24—H24120.4
N2—C11—H11B109.5C23—C24—H24120.4
H11A—C11—H11B109.5C24—C25—C26121.12 (17)
N2—C11—H11C109.5C24—C25—H25119.4
H11A—C11—H11C109.5C26—C25—H25119.4
H11B—C11—H11C109.5C25—C26—C21119.55 (17)
N3—C12—C18118.10 (14)C25—C26—H26120.2
N3—C12—C13118.08 (14)C21—C26—H26120.2
C1—N1—N2—C37.51 (15)N3—C12—C13—S1−109.04 (14)
C5—N1—N2—C3157.23 (12)C18—C12—C13—S169.48 (18)
C1—N1—N2—C11152.10 (15)C16—S1—C13—C140.23 (16)
C5—N1—N2—C11−58.19 (19)C16—S1—C13—C12179.22 (18)
C17—N4—N5—C19−2.41 (18)C12—C13—C14—C15−179.3 (2)
C21—N4—N5—C19−179.86 (14)S1—C13—C14—C15−0.51 (16)
N2—N1—C1—O1174.18 (15)C13—C14—C15—C160.6 (2)
C5—N1—C1—O126.2 (2)C14—C15—C16—S1−0.4 (2)
N2—N1—C1—C2−4.47 (15)C13—S1—C16—C150.1 (2)
C5—N1—C1—C2−152.43 (14)C14'—C15'—C16'—S1'−1.0 (5)
C12—N3—C2—C397.57 (19)N5—N4—C17—O2−175.43 (15)
C12—N3—C2—C1−84.5 (2)C21—N4—C17—O21.7 (3)
O1—C1—C2—C3−178.69 (17)N5—N4—C17—C183.33 (16)
N1—C1—C2—C3−0.18 (16)C21—N4—C17—C18−179.53 (14)
O1—C1—C2—N33.1 (3)N3—C12—C18—C174.9 (2)
N1—C1—C2—N3−178.36 (13)C13—C12—C18—C17−173.64 (14)
N3—C2—C3—N2−176.91 (13)N3—C12—C18—C19−172.35 (16)
C1—C2—C3—N24.92 (17)C13—C12—C18—C199.1 (3)
N3—C2—C3—C45.7 (3)O2—C17—C18—C12−2.1 (3)
C1—C2—C3—C4−172.46 (16)N4—C17—C18—C12179.21 (14)
N1—N2—C3—C2−7.60 (16)O2—C17—C18—C19175.83 (16)
C11—N2—C3—C2−150.16 (14)N4—C17—C18—C19−2.88 (16)
N1—N2—C3—C4170.00 (14)N4—N5—C19—C180.41 (18)
C11—N2—C3—C427.4 (2)N4—N5—C19—C20177.69 (15)
C1—N1—C5—C10117.51 (17)C12—C18—C19—N5179.15 (16)
N2—N1—C5—C10−27.7 (2)C17—C18—C19—N51.57 (18)
C1—N1—C5—C6−63.0 (2)C12—C18—C19—C202.2 (3)
N2—N1—C5—C6151.78 (13)C17—C18—C19—C20−175.35 (18)
C10—C5—C6—C7−0.2 (2)C17—N4—C21—C26−158.43 (15)
N1—C5—C6—C7−179.70 (14)N5—N4—C21—C2618.5 (2)
C5—C6—C7—C81.3 (3)C17—N4—C21—C2221.8 (2)
C6—C7—C8—C9−0.7 (3)N5—N4—C21—C22−161.24 (15)
C7—C8—C9—C10−1.0 (3)C26—C21—C22—C230.1 (3)
C6—C5—C10—C9−1.4 (3)N4—C21—C22—C23179.81 (15)
N1—C5—C10—C9178.03 (16)C21—C22—C23—C240.3 (3)
C8—C9—C10—C52.0 (3)C22—C23—C24—C25−0.4 (3)
C2—N3—C12—C18−174.54 (14)C23—C24—C25—C260.2 (3)
C2—N3—C12—C134.1 (2)C24—C25—C26—C210.1 (3)
N3—C12—C13—C1469.7 (2)C22—C21—C26—C25−0.2 (2)
C18—C12—C13—C14−111.8 (2)N4—C21—C26—C25−179.99 (15)
D—H···AD—HH···AD···AD—H···A
N3—H3···O20.861.962.6631 (18)138
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
N3—H3⋯O20.861.962.6631 (18)138
  4 in total

1.  A short history of SHELX.

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

2.  (4-Methyl-phen-yl)[1-(4-methyl-phen-yl)-3-(5-nitro-2-fur-yl)-1H-pyrazol-4-yl]methanone.

Authors:  Jia Hao Goh; Hoong-Kun Fun; N Satheesh Rai; B Kalluraya
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2009-11-14

3.  Bis(4-acetyl-3-methyl-1-phenyl-1H-pyrazol-5-olato-κO,O')bis-(N,N-dimethyl-formamide-κO)nickel(II).

Authors:  Hualing Zhu; Zhen Wei; Luxia Bu; Xiaoping Xu; Jun Shi
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2010-07-10

4.  4-[(5-Chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)methyl-idene-amino]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one.

Authors:  Hualing Zhu; Jinhua Zhu; Litong Ban; Pingping Zhang; Miao Zhang
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2010-10-09
  4 in total
  2 in total

1.  1,5-Dimethyl-4-(1-methyl-3-oxo-3-phenylprop-1-enyl-amino)-2-phenyl-1H-pyrazol-3(2H)-one.

Authors:  Hualing Zhu; Zhan Wang; Junjie Ren; Miao Zhang; Wei Xu
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2011-06-11

2.  3-Methyl-1-phenyl-4-[(phen-yl)(2-phenyl-hydrazin-1-yl)meth-ylidene]-1H-pyrazol-5(4H)-one.

Authors:  Omoruyi G Idemudia; Alexander P Sadimenko; Anthony J Afolayan; Eric C Hosten
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2012-04-04
  2 in total

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