organic compounds
1-Benzyl-2-(4-chlorophenyl)-4,5-diphenyl-1H-imidazole
aPlasma Physics Research Center, Science & Reseach Campus, Islamic Azad University, Tehran, Iran, bDepartment of Chemistry, University of Alzahra, Tehran, Iran, and cSchool of Chemistry, University College of Science, University of Tehran, Tehran, Iran
*Correspondence e-mail: aabbasi@khayam.ut.ac.ir
The molecular conformation of the title compound, C28H21ClN2, is stabilized by an intramolecular C—H⋯N hydrogen bond. It has many pharmacological properties, such as being an inhibitor of P38 MAP Kinase, and can play an important role in biochemical processes.
Related literature
For related structures and properties, see: Balalaie et al. (2003); Nagarapu et al. (2007); Kidwai et al. (2007).
Experimental
Crystal data
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Data collection
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Refinement
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Data collection: X-AREA (Stoe & Cie, 1997); cell X-AREA; data reduction: X-AREA; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg, 2001); software used to prepare material for publication: SHELXL97.
Supporting information
10.1107/S1600536808016802/bt2715sup1.cif
contains datablocks I, 1. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536808016802/bt2715Isup2.hkl
A mixture of benzil (2.5 mmol), 4-chlorobenzaldehyde (2.5 mmol), benzylamine (2.5 mmol), ammonium acetate (5 mmol) and activated SBA-sulfonic acid (0.02 g) was heated at 140°C for 6 minutes. The progress of reaction was monitored by TLC. After cooling to room temperature, the mixture was dissolved in hot ethylacetate and the catalyst was removed by filtration. The filtrate was left for crystallization.
Aromatic H atoms were placed in calculated positions (C—H = 0.93 Å) and constrained to ride on their parent atoms, with Uiso(H) = 1.2Ueq(C). Methylene H atoms were located in difference density maps and their coordinates and isotropic displacement parameters were refined freely.
Data collection: X-AREA Software (Stoe & Cie, 1997); cell
X-AREA Software (Stoe & Cie, 1997); data reduction: X-AREA Software (Stoe & Cie, 1997); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg, 2001); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).Fig. 1. Molecular structure of (I), with 50% probability displacement ellipsoids. H atoms are shown as circles of arbitrary radii. |
C28H21ClN2 | Z = 2 |
Mr = 420.92 | F(000) = 440 |
Triclinic, P1 | Dx = 1.291 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 7.4880 (11) Å | Cell parameters from 6987 reflections |
b = 9.2711 (16) Å | θ = 1.2–29.8° |
c = 16.049 (3) Å | µ = 0.19 mm−1 |
α = 87.169 (13)° | T = 290 K |
β = 76.704 (12)° | Block, colorless |
γ = 87.842 (13)° | 0.3 × 0.2 × 0.2 mm |
V = 1082.6 (3) Å3 |
STOE IPDS-II diffractometer | 2814 reflections with I > 2σ(I) |
Radiation source: fine-focus sealed tube | Rint = 0.034 |
Graphite monochromator | θmax = 26.0°, θmin = 2.2° |
Area detector – phi oscillation scans | h = −9→9 |
8769 measured reflections | k = −11→10 |
4246 independent reflections | l = −19→19 |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.041 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.090 | H atoms treated by a mixture of independent and constrained refinement |
S = 0.94 | w = 1/[σ2(Fo2) + (0.0457P)2] where P = (Fo2 + 2Fc2)/3 |
4246 reflections | (Δ/σ)max < 0.001 |
288 parameters | Δρmax = 0.13 e Å−3 |
0 restraints | Δρmin = −0.20 e Å−3 |
C28H21ClN2 | γ = 87.842 (13)° |
Mr = 420.92 | V = 1082.6 (3) Å3 |
Triclinic, P1 | Z = 2 |
a = 7.4880 (11) Å | Mo Kα radiation |
b = 9.2711 (16) Å | µ = 0.19 mm−1 |
c = 16.049 (3) Å | T = 290 K |
α = 87.169 (13)° | 0.3 × 0.2 × 0.2 mm |
β = 76.704 (12)° |
STOE IPDS-II diffractometer | 2814 reflections with I > 2σ(I) |
8769 measured reflections | Rint = 0.034 |
4246 independent reflections |
R[F2 > 2σ(F2)] = 0.041 | 0 restraints |
wR(F2) = 0.090 | H atoms treated by a mixture of independent and constrained refinement |
S = 0.94 | Δρmax = 0.13 e Å−3 |
4246 reflections | Δρmin = −0.20 e Å−3 |
288 parameters |
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s 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. |
x | y | z | Uiso*/Ueq | ||
Cl1 | 0.17061 (7) | 0.52946 (7) | 0.32233 (4) | 0.0741 (2) | |
N1 | 0.60096 (17) | 0.82368 (15) | 0.59681 (9) | 0.0412 (3) | |
N2 | 0.36337 (17) | 0.74456 (15) | 0.69583 (8) | 0.0403 (3) | |
C1 | 0.2919 (2) | 0.56492 (19) | 0.54889 (12) | 0.0456 (4) | |
H1 | 0.2804 | 0.5096 | 0.5997 | 0.055* | |
C2 | 0.4446 (2) | 0.75675 (17) | 0.61039 (10) | 0.0393 (4) | |
C3 | 0.9378 (2) | 0.9430 (2) | 0.61528 (12) | 0.0476 (4) | |
H3 | 0.9370 | 0.8959 | 0.5656 | 0.057* | |
C4 | 0.7878 (2) | 0.93196 (18) | 0.68467 (11) | 0.0413 (4) | |
C5 | 0.4409 (2) | 0.80553 (19) | 0.83352 (11) | 0.0419 (4) | |
C6 | 0.2487 (2) | 0.5939 (2) | 0.40748 (12) | 0.0492 (5) | |
C7 | 0.2308 (2) | 0.5117 (2) | 0.48201 (12) | 0.0491 (4) | |
H7 | 0.1784 | 0.4213 | 0.4874 | 0.059* | |
C8 | 0.6244 (2) | 0.85566 (17) | 0.67670 (10) | 0.0391 (4) | |
C9 | 0.4790 (2) | 0.80756 (18) | 0.73880 (11) | 0.0398 (4) | |
C10 | 0.1795 (2) | 0.55784 (19) | 0.79077 (11) | 0.0435 (4) | |
C11 | 0.3703 (2) | 0.69955 (18) | 0.54181 (11) | 0.0399 (4) | |
C12 | 0.3880 (2) | 0.77975 (19) | 0.46497 (11) | 0.0475 (4) | |
H12 | 0.4418 | 0.8696 | 0.4587 | 0.057* | |
C13 | 0.5348 (3) | 0.7078 (2) | 0.87682 (12) | 0.0567 (5) | |
H13 | 0.6178 | 0.6416 | 0.8463 | 0.068* | |
C14 | 0.3263 (3) | 0.7273 (2) | 0.39788 (12) | 0.0530 (5) | |
H14 | 0.3373 | 0.7817 | 0.3468 | 0.064* | |
C15 | 1.0919 (3) | 1.0925 (2) | 0.69172 (14) | 0.0607 (5) | |
H15 | 1.1921 | 1.1472 | 0.6939 | 0.073* | |
C16 | 0.1802 (2) | 0.6943 (2) | 0.73629 (12) | 0.0440 (4) | |
H16A | 0.114 (2) | 0.6806 (18) | 0.6900 (11) | 0.046 (5)* | |
H16B | 0.114 (2) | 0.7692 (19) | 0.7710 (11) | 0.046 (5)* | |
C17 | 1.0877 (2) | 1.0226 (2) | 0.61875 (13) | 0.0550 (5) | |
H17 | 1.1863 | 1.0290 | 0.5715 | 0.066* | |
C18 | 0.0320 (3) | 0.5323 (2) | 0.85851 (13) | 0.0625 (5) | |
H18 | −0.0639 | 0.6003 | 0.8704 | 0.075* | |
C19 | 0.1645 (4) | 0.3071 (3) | 0.89254 (17) | 0.0854 (8) | |
H19 | 0.1596 | 0.2226 | 0.9267 | 0.102* | |
C20 | 0.7963 (2) | 1.0024 (2) | 0.75824 (12) | 0.0505 (4) | |
H20 | 0.6988 | 0.9963 | 0.8060 | 0.061* | |
C21 | 0.3165 (3) | 0.9005 (2) | 0.88092 (12) | 0.0577 (5) | |
H21 | 0.2503 | 0.9662 | 0.8533 | 0.069* | |
C22 | 0.2891 (3) | 0.8988 (3) | 0.96904 (13) | 0.0699 (6) | |
H22 | 0.2046 | 0.9633 | 1.0003 | 0.084* | |
C23 | 0.9463 (3) | 1.0807 (2) | 0.76139 (13) | 0.0604 (5) | |
H23 | 0.9495 | 1.1263 | 0.8113 | 0.072* | |
C24 | 0.3199 (3) | 0.4554 (2) | 0.77506 (13) | 0.0557 (5) | |
H24 | 0.4208 | 0.4706 | 0.7298 | 0.067* | |
C25 | 0.3117 (4) | 0.3305 (3) | 0.82608 (17) | 0.0747 (6) | |
H25 | 0.4072 | 0.2621 | 0.8150 | 0.090* | |
C26 | 0.3851 (3) | 0.8033 (3) | 1.01068 (13) | 0.0680 (6) | |
H26 | 0.3676 | 0.8037 | 1.0699 | 0.082* | |
C27 | 0.5065 (3) | 0.7074 (3) | 0.96484 (14) | 0.0688 (6) | |
H27 | 0.5708 | 0.6412 | 0.9931 | 0.083* | |
C28 | 0.0251 (4) | 0.4068 (3) | 0.90890 (15) | 0.0820 (7) | |
H28 | −0.0755 | 0.3905 | 0.9542 | 0.098* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.0667 (3) | 0.1008 (5) | 0.0631 (3) | −0.0114 (3) | −0.0247 (3) | −0.0313 (3) |
N1 | 0.0440 (7) | 0.0441 (8) | 0.0370 (8) | −0.0063 (6) | −0.0110 (6) | −0.0032 (6) |
N2 | 0.0392 (7) | 0.0453 (8) | 0.0374 (8) | −0.0061 (6) | −0.0101 (6) | −0.0014 (6) |
C1 | 0.0421 (9) | 0.0474 (11) | 0.0493 (10) | −0.0038 (8) | −0.0142 (8) | −0.0024 (8) |
C2 | 0.0399 (8) | 0.0402 (10) | 0.0396 (9) | −0.0009 (7) | −0.0126 (7) | −0.0028 (7) |
C3 | 0.0473 (9) | 0.0531 (11) | 0.0429 (10) | −0.0051 (8) | −0.0102 (8) | −0.0057 (8) |
C4 | 0.0445 (9) | 0.0407 (10) | 0.0407 (9) | −0.0038 (7) | −0.0136 (7) | −0.0021 (7) |
C5 | 0.0408 (8) | 0.0473 (10) | 0.0383 (9) | −0.0095 (7) | −0.0096 (7) | 0.0000 (8) |
C6 | 0.0400 (9) | 0.0621 (13) | 0.0497 (11) | 0.0020 (8) | −0.0156 (8) | −0.0205 (9) |
C7 | 0.0400 (9) | 0.0491 (11) | 0.0598 (12) | −0.0063 (8) | −0.0124 (8) | −0.0105 (9) |
C8 | 0.0427 (8) | 0.0372 (9) | 0.0384 (9) | −0.0002 (7) | −0.0109 (7) | −0.0040 (7) |
C9 | 0.0401 (8) | 0.0419 (9) | 0.0394 (9) | −0.0012 (7) | −0.0128 (7) | −0.0033 (7) |
C10 | 0.0417 (9) | 0.0516 (11) | 0.0402 (10) | −0.0117 (8) | −0.0136 (8) | −0.0035 (8) |
C11 | 0.0366 (8) | 0.0437 (10) | 0.0404 (9) | 0.0010 (7) | −0.0100 (7) | −0.0064 (8) |
C12 | 0.0558 (10) | 0.0434 (11) | 0.0443 (10) | −0.0058 (8) | −0.0122 (8) | −0.0055 (8) |
C13 | 0.0580 (11) | 0.0655 (13) | 0.0497 (12) | 0.0048 (9) | −0.0196 (9) | −0.0046 (10) |
C14 | 0.0636 (11) | 0.0563 (12) | 0.0419 (10) | 0.0011 (9) | −0.0174 (9) | −0.0059 (9) |
C15 | 0.0520 (10) | 0.0654 (13) | 0.0692 (14) | −0.0171 (9) | −0.0200 (10) | −0.0062 (11) |
C16 | 0.0337 (8) | 0.0529 (11) | 0.0454 (10) | −0.0023 (8) | −0.0083 (8) | −0.0041 (9) |
C17 | 0.0450 (10) | 0.0636 (13) | 0.0551 (12) | −0.0105 (9) | −0.0080 (9) | −0.0002 (10) |
C18 | 0.0561 (11) | 0.0763 (15) | 0.0532 (12) | −0.0186 (10) | −0.0061 (9) | −0.0019 (11) |
C19 | 0.140 (2) | 0.0633 (16) | 0.0644 (16) | −0.0376 (17) | −0.0452 (17) | 0.0139 (13) |
C20 | 0.0515 (10) | 0.0560 (12) | 0.0443 (10) | −0.0104 (8) | −0.0088 (8) | −0.0082 (9) |
C21 | 0.0628 (11) | 0.0599 (13) | 0.0483 (11) | 0.0059 (10) | −0.0092 (9) | −0.0034 (9) |
C22 | 0.0746 (14) | 0.0808 (16) | 0.0480 (13) | 0.0019 (12) | 0.0005 (11) | −0.0138 (11) |
C23 | 0.0634 (12) | 0.0680 (13) | 0.0554 (12) | −0.0141 (10) | −0.0206 (10) | −0.0166 (10) |
C24 | 0.0565 (11) | 0.0577 (13) | 0.0543 (12) | −0.0039 (9) | −0.0161 (9) | 0.0028 (10) |
C25 | 0.0997 (17) | 0.0578 (14) | 0.0771 (16) | −0.0012 (12) | −0.0425 (14) | 0.0001 (12) |
C26 | 0.0800 (14) | 0.0880 (17) | 0.0359 (11) | −0.0195 (12) | −0.0106 (10) | 0.0004 (11) |
C27 | 0.0821 (14) | 0.0792 (16) | 0.0513 (13) | −0.0035 (12) | −0.0298 (11) | 0.0076 (11) |
C28 | 0.0988 (18) | 0.092 (2) | 0.0522 (14) | −0.0498 (16) | −0.0062 (12) | 0.0070 (13) |
Cl1—C6 | 1.7436 (17) | C13—C27 | 1.379 (3) |
N1—C2 | 1.314 (2) | C13—H13 | 0.9300 |
N1—C8 | 1.381 (2) | C14—H14 | 0.9300 |
N2—C2 | 1.367 (2) | C15—C17 | 1.373 (3) |
N2—C9 | 1.385 (2) | C15—C23 | 1.374 (3) |
N2—C16 | 1.459 (2) | C15—H15 | 0.9300 |
C1—C7 | 1.378 (2) | C16—H16A | 1.000 (18) |
C1—C11 | 1.388 (2) | C16—H16B | 0.960 (17) |
C1—H1 | 0.9300 | C17—H17 | 0.9300 |
C2—C11 | 1.471 (2) | C18—C28 | 1.379 (3) |
C3—C17 | 1.380 (2) | C18—H18 | 0.9300 |
C3—C4 | 1.391 (2) | C19—C28 | 1.356 (4) |
C3—H3 | 0.9300 | C19—C25 | 1.362 (4) |
C4—C20 | 1.392 (2) | C19—H19 | 0.9300 |
C4—C8 | 1.470 (2) | C20—C23 | 1.372 (3) |
C5—C21 | 1.378 (2) | C20—H20 | 0.9300 |
C5—C13 | 1.383 (3) | C21—C22 | 1.381 (3) |
C5—C9 | 1.480 (2) | C21—H21 | 0.9300 |
C6—C7 | 1.369 (3) | C22—C26 | 1.364 (3) |
C6—C14 | 1.373 (3) | C22—H22 | 0.9300 |
C7—H7 | 0.9300 | C23—H23 | 0.9300 |
C8—C9 | 1.368 (2) | C24—C25 | 1.380 (3) |
C10—C24 | 1.377 (2) | C24—H24 | 0.9300 |
C10—C18 | 1.378 (3) | C25—H25 | 0.9300 |
C10—C16 | 1.501 (3) | C26—C27 | 1.362 (3) |
C11—C12 | 1.390 (2) | C26—H26 | 0.9300 |
C12—C14 | 1.381 (2) | C27—H27 | 0.9300 |
C12—H12 | 0.9300 | C28—H28 | 0.9300 |
C2—N1—C8 | 105.97 (13) | C17—C15—C23 | 119.26 (17) |
C2—N2—C9 | 106.82 (13) | C17—C15—H15 | 120.4 |
C2—N2—C16 | 128.26 (14) | C23—C15—H15 | 120.4 |
C9—N2—C16 | 124.44 (14) | N2—C16—C10 | 114.03 (14) |
C7—C1—C11 | 121.22 (18) | N2—C16—H16A | 107.8 (10) |
C7—C1—H1 | 119.4 | C10—C16—H16A | 110.3 (10) |
C11—C1—H1 | 119.4 | N2—C16—H16B | 108.6 (10) |
N1—C2—N2 | 111.47 (14) | C10—C16—H16B | 109.0 (10) |
N1—C2—C11 | 123.73 (15) | H16A—C16—H16B | 106.7 (13) |
N2—C2—C11 | 124.79 (14) | C15—C17—C3 | 120.22 (17) |
C17—C3—C4 | 121.31 (16) | C15—C17—H17 | 119.9 |
C17—C3—H3 | 119.3 | C3—C17—H17 | 119.9 |
C4—C3—H3 | 119.3 | C10—C18—C28 | 120.7 (2) |
C3—C4—C20 | 117.33 (16) | C10—C18—H18 | 119.7 |
C3—C4—C8 | 119.95 (15) | C28—C18—H18 | 119.7 |
C20—C4—C8 | 122.61 (15) | C28—C19—C25 | 120.0 (2) |
C21—C5—C13 | 118.12 (17) | C28—C19—H19 | 120.0 |
C21—C5—C9 | 122.19 (16) | C25—C19—H19 | 120.0 |
C13—C5—C9 | 119.68 (15) | C23—C20—C4 | 121.03 (17) |
C7—C6—C14 | 121.57 (17) | C23—C20—H20 | 119.5 |
C7—C6—Cl1 | 119.75 (15) | C4—C20—H20 | 119.5 |
C14—C6—Cl1 | 118.69 (16) | C5—C21—C22 | 120.6 (2) |
C6—C7—C1 | 118.92 (17) | C5—C21—H21 | 119.7 |
C6—C7—H7 | 120.5 | C22—C21—H21 | 119.7 |
C1—C7—H7 | 120.5 | C26—C22—C21 | 120.6 (2) |
C9—C8—N1 | 109.98 (14) | C26—C22—H22 | 119.7 |
C9—C8—C4 | 129.88 (15) | C21—C22—H22 | 119.7 |
N1—C8—C4 | 120.14 (14) | C20—C23—C15 | 120.83 (18) |
C8—C9—N2 | 105.76 (14) | C20—C23—H23 | 119.6 |
C8—C9—C5 | 132.19 (15) | C15—C23—H23 | 119.6 |
N2—C9—C5 | 121.91 (14) | C10—C24—C25 | 120.4 (2) |
C24—C10—C18 | 118.34 (19) | C10—C24—H24 | 119.8 |
C24—C10—C16 | 122.53 (16) | C25—C24—H24 | 119.8 |
C18—C10—C16 | 119.12 (17) | C19—C25—C24 | 120.3 (2) |
C1—C11—C12 | 118.42 (16) | C19—C25—H25 | 119.8 |
C1—C11—C2 | 122.62 (16) | C24—C25—H25 | 119.8 |
C12—C11—C2 | 118.87 (15) | C27—C26—C22 | 119.51 (19) |
C14—C12—C11 | 120.65 (17) | C27—C26—H26 | 120.2 |
C14—C12—H12 | 119.7 | C22—C26—H26 | 120.2 |
C11—C12—H12 | 119.7 | C26—C27—C13 | 120.5 (2) |
C27—C13—C5 | 120.73 (19) | C26—C27—H27 | 119.8 |
C27—C13—H13 | 119.6 | C13—C27—H27 | 119.8 |
C5—C13—H13 | 119.6 | C19—C28—C18 | 120.2 (2) |
C6—C14—C12 | 119.22 (18) | C19—C28—H28 | 119.9 |
C6—C14—H14 | 120.4 | C18—C28—H28 | 119.9 |
C12—C14—H14 | 120.4 | ||
C8—N1—C2—N2 | 0.58 (18) | N1—C2—C11—C12 | −39.5 (2) |
C8—N1—C2—C11 | −178.04 (15) | N2—C2—C11—C12 | 142.03 (17) |
C9—N2—C2—N1 | −0.62 (19) | C1—C11—C12—C14 | 0.9 (2) |
C16—N2—C2—N1 | 171.59 (15) | C2—C11—C12—C14 | 177.51 (15) |
C9—N2—C2—C11 | 177.97 (15) | C21—C5—C13—C27 | −1.1 (3) |
C16—N2—C2—C11 | −9.8 (3) | C9—C5—C13—C27 | 177.59 (18) |
C17—C3—C4—C20 | −1.0 (3) | C7—C6—C14—C12 | 0.0 (3) |
C17—C3—C4—C8 | 175.34 (17) | Cl1—C6—C14—C12 | 179.73 (13) |
C14—C6—C7—C1 | 0.3 (3) | C11—C12—C14—C6 | −0.6 (3) |
Cl1—C6—C7—C1 | −179.45 (12) | C2—N2—C16—C10 | 115.85 (19) |
C11—C1—C7—C6 | 0.1 (2) | C9—N2—C16—C10 | −73.2 (2) |
C2—N1—C8—C9 | −0.31 (18) | C24—C10—C16—N2 | −28.4 (2) |
C2—N1—C8—C4 | −179.85 (15) | C18—C10—C16—N2 | 152.54 (16) |
C3—C4—C8—C9 | 165.88 (18) | C23—C15—C17—C3 | 0.8 (3) |
C20—C4—C8—C9 | −17.9 (3) | C4—C3—C17—C15 | 0.3 (3) |
C3—C4—C8—N1 | −14.7 (2) | C24—C10—C18—C28 | −0.3 (3) |
C20—C4—C8—N1 | 161.51 (16) | C16—C10—C18—C28 | 178.75 (18) |
N1—C8—C9—N2 | −0.06 (18) | C3—C4—C20—C23 | 0.7 (3) |
C4—C8—C9—N2 | 179.42 (16) | C8—C4—C20—C23 | −175.60 (17) |
N1—C8—C9—C5 | 175.61 (17) | C13—C5—C21—C22 | 0.9 (3) |
C4—C8—C9—C5 | −4.9 (3) | C9—C5—C21—C22 | −177.70 (18) |
C2—N2—C9—C8 | 0.40 (18) | C5—C21—C22—C26 | 0.1 (3) |
C16—N2—C9—C8 | −172.20 (15) | C4—C20—C23—C15 | 0.4 (3) |
C2—N2—C9—C5 | −175.82 (15) | C17—C15—C23—C20 | −1.2 (3) |
C16—N2—C9—C5 | 11.6 (2) | C18—C10—C24—C25 | 0.1 (3) |
C21—C5—C9—C8 | 105.1 (2) | C16—C10—C24—C25 | −178.92 (18) |
C13—C5—C9—C8 | −73.6 (3) | C28—C19—C25—C24 | −0.1 (3) |
C21—C5—C9—N2 | −79.8 (2) | C10—C24—C25—C19 | 0.1 (3) |
C13—C5—C9—N2 | 101.5 (2) | C21—C22—C26—C27 | −1.1 (3) |
C7—C1—C11—C12 | −0.7 (2) | C22—C26—C27—C13 | 0.9 (3) |
C7—C1—C11—C2 | −177.10 (14) | C5—C13—C27—C26 | 0.2 (3) |
N1—C2—C11—C1 | 136.88 (17) | C25—C19—C28—C18 | −0.1 (4) |
N2—C2—C11—C1 | −41.5 (2) | C10—C18—C28—C19 | 0.3 (3) |
Experimental details
Crystal data | |
Chemical formula | C28H21ClN2 |
Mr | 420.92 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 290 |
a, b, c (Å) | 7.4880 (11), 9.2711 (16), 16.049 (3) |
α, β, γ (°) | 87.169 (13), 76.704 (12), 87.842 (13) |
V (Å3) | 1082.6 (3) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.19 |
Crystal size (mm) | 0.3 × 0.2 × 0.2 |
Data collection | |
Diffractometer | STOE IPDS-II diffractometer |
Absorption correction | – |
No. of measured, independent and observed [I > 2σ(I)] reflections | 8769, 4246, 2814 |
Rint | 0.034 |
(sin θ/λ)max (Å−1) | 0.617 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.041, 0.090, 0.94 |
No. of reflections | 4246 |
No. of parameters | 288 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.13, −0.20 |
Computer programs: X-AREA Software (Stoe & Cie, 1997), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), DIAMOND (Brandenburg, 2001).
Acknowledgements
This work was supported by a grant from the University of Tehran and the University of Alzahra.
References
Balalaie, S., Hashemi, M. M. & Akhbari, M. (2003). Tetrahedron Lett. 44, 1709–1711. Web of Science CrossRef CAS Google Scholar
Brandenburg, K. (2001). DIAMOND. Crystal Impact GbR, Bonn, Germany. Google Scholar
Kidwai, M., Mothsra, P., Bansal, V., Somvanshi, R. K., Ethayathulla, A. S., Dey, S. & Singh, T. P. (2007). J. Mol. Catal. A Chem. 265, 177–182. Web of Science CSD CrossRef CAS Google Scholar
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
The synthesis, reactions and biological properties of substituted imidazole constitutes a significant part of modern heterocyclic chemistry. Compounds containing an imidazole ring system have many pharmacological properties and play important roles in biochemical processes. Many of substituted diaryl imidazoles are known as inhibitors of P38 MAP Kinase (Balalaie, et al., 2003; Nagarapu, et al., 2007; Kidwai, et al., 2007).
The molecular structure of the title compound and the atom-numbering scheme are shown in Fig. 1. The phenyl rings attached at C2, N2, C9 and C8 enclose dihedral angles of 40.74 (8)°, 85.60 (7)°, 77.10 (6)°, 16.55 (11)°, respectively, with the imidazole ring. An intramolecular hydrogen bond stabilises the molecular conformation. Dipole-dipole and van der Waals interactions are effective in the molecular packing.