organic compounds
1-{2-(4-Chlorobenzyloxy)-2-[4-(morpholin-4-yl)phenyl]ethyl}-1H-benzimidazole propan-2-ol monosolvate
aDepartment of Chemistry, Bülent Ecevit University, 67100 Zonguldak, Turkey, bDepartment of Chemistry, Southampton University, SO17 1BJ Southampton, England, and cDepartment of Physics, Hacettepe University, 06800 Beytepe, Ankara, Turkey
*Correspondence e-mail: merzifon@hacettepe.edu.tr
In the title compound, C26H26ClN3O2·C3H7OH, the benzimidazole ring system is essentially planar [maximum deviation = −0.018 (2) Å] and its mean plane is oriented with respect to the two benzene rings at dihedral angles of 4.51 (6) and 56.16 (6)°, and the dihedral angle between the two benzene rings is 59.11 (7)°. The morpholine ring displays a chair conformation. The propan-2-ol solvent molecule links with the benzimidazole ring via an O—H⋯N hydrogen bond. In the crystal, weak intermolecular C—H⋯O hydrogen bonds link the molecules into inversion dimers with an R22(28) motif. π–π stacking occurs between the parallel chlorobenzene rings [centroid–centroid distance = 3.792 (1) Å]. Weak C—H⋯π interactions and short Cl⋯Cl [3.2037 (10) Å] contacts are also observed.
Related literature
For general background to the biological activity of benzimidazole derivatives, see: Özel Güven et al. (2007a,b). For related structures, see: Caira et al. (2004); Freer et al. (1986); Özel Güven et al. (2008a,b,c,d, 2013); Peeters et al. (1979a,b, 1996). For ring puckering parameters, see: Cremer & Pople (1975). For ring motif details, see: Bernstein et al. (1995).
Experimental
Crystal data
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Data collection: CrystalClear-SM Expert (Rigaku, 2011); cell CrystalClear-SM Expert; data reduction: CrystalClear-SM Expert; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for publication: WinGX (Farrugia, 2012) and PLATON (Spek, 2009).
Supporting information
10.1107/S1600536813022599/xu5728sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536813022599/xu5728Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536813022599/xu5728Isup3.cml
The title compound, (I), was synthesized by the reaction of 2-(1H-benzimidazol-1-yl)-1-(4-morpholinophenyl)ethanol with aryl halide using sodium hydride. NaH (0.022 g, 0.557 mmol) was added to a solution of alcohol (0.180 g, 0.557 mmol) in DMF (4 ml) in small fractions. After stirring the mixture a few minutes, 4-chlorobenzylbromide (0.114 g, 0.557 mmol) was added. Then, the reaction mixture was stirred additional 4 h at room temperature. The reaction was stopped by adding a small amount of methyl alcohol. After evaporation of the solvent, dichloromethane was added to the reaction mixture and extracted with water. The organic phase was separated and dried with anhydrous magnesium sulfate, then evaporated to dryness. The residue was purified by
using chloroform and crystallized from isopropyl alcohol to obtain colorless crystals suitable for X-ray analysis (yield; 0.127 g, 51%).Atom H3A (for OH group) was located in a difference Fourier map and was freely refined. The C-bound H-atoms were positioned geometrically with C—H = 0.98, 0.93, 0.97 and 0.96 Å for methine, aromatic, methylene and methyl H, respectively, and constrained to ride on their parent atoms, with Uiso(H) = k × Ueq(C), where k = 1.5 for methyl H-atoms and k = 1.2 for all other H-atoms.
Data collection: CrystalClear-SM Expert (Rigaku, 2011); cell
CrystalClear-SM Expert (Rigaku, 2011); data reduction: CrystalClear-SM Expert (Rigaku, 2011); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for publication: WinGX (Farrugia, 2012) and PLATON (Spek, 2009).Fig. 1. The molecular structure of the title compound with the atom-numbering scheme. Displacement ellipsoids are drawn at the 50% probability level. | |
Fig. 2. A partial packing diagram. Hydrogen bonds are shown as dashed lines. Hydrogen atoms not involved in hydrogen bonding have been omitted for clarity. |
C26H26ClN3O2·C3H8O | Z = 2 |
Mr = 508.04 | F(000) = 540 |
Triclinic, P1 | Dx = 1.248 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 10.6542 (3) Å | Cell parameters from 10744 reflections |
b = 11.5152 (4) Å | θ = 3.0–27.4° |
c = 11.6853 (4) Å | µ = 0.18 mm−1 |
α = 87.010 (3)° | T = 294 K |
β = 83.703 (3)° | Prism, colorless |
γ = 71.572 (2)° | 0.30 × 0.28 × 0.25 mm |
V = 1351.66 (8) Å3 |
Rigaku R-AXIS RAPID-S diffractometer | 6139 independent reflections |
Radiation source: fine-focus sealed tube | 3561 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.048 |
ω scans | θmax = 27.5°, θmin = 3.0° |
Absorption correction: multi-scan (CrystalClear-SM Expert; Rigaku, 2011) | h = −13→13 |
Tmin = 0.95, Tmax = 0.96 | k = −14→14 |
17368 measured reflections | l = −14→15 |
Refinement on F2 | Secondary atom site location: difference Fourier map |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.055 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.186 | w = 1/[σ2(Fo2) + (0.093P)2] where P = (Fo2 + 2Fc2)/3 |
S = 1.11 | (Δ/σ)max < 0.001 |
6139 reflections | Δρmax = 0.50 e Å−3 |
332 parameters | Δρmin = −0.53 e Å−3 |
1 restraint | Extinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.010 (3) |
C26H26ClN3O2·C3H8O | γ = 71.572 (2)° |
Mr = 508.04 | V = 1351.66 (8) Å3 |
Triclinic, P1 | Z = 2 |
a = 10.6542 (3) Å | Mo Kα radiation |
b = 11.5152 (4) Å | µ = 0.18 mm−1 |
c = 11.6853 (4) Å | T = 294 K |
α = 87.010 (3)° | 0.30 × 0.28 × 0.25 mm |
β = 83.703 (3)° |
Rigaku R-AXIS RAPID-S diffractometer | 6139 independent reflections |
Absorption correction: multi-scan (CrystalClear-SM Expert; Rigaku, 2011) | 3561 reflections with I > 2σ(I) |
Tmin = 0.95, Tmax = 0.96 | Rint = 0.048 |
17368 measured reflections |
R[F2 > 2σ(F2)] = 0.055 | 1 restraint |
wR(F2) = 0.186 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.11 | Δρmax = 0.50 e Å−3 |
6139 reflections | Δρmin = −0.53 e Å−3 |
332 parameters |
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. |
x | y | z | Uiso*/Ueq | ||
Cl1 | 0.12222 (6) | 0.01131 (6) | 0.06222 (7) | 0.0564 (3) | |
O1 | 0.55011 (15) | 0.28048 (12) | 0.19797 (12) | 0.0332 (4) | |
O2 | 1.05293 (17) | 0.58050 (15) | −0.36418 (15) | 0.0478 (5) | |
O3 | 0.73878 (19) | 0.85398 (16) | 0.32068 (16) | 0.0496 (5) | |
H3A | 0.699 (3) | 0.816 (3) | 0.368 (2) | 0.086 (12)* | |
N1 | 0.55093 (18) | 0.35870 (15) | 0.42231 (14) | 0.0296 (4) | |
N2 | 0.41749 (19) | 0.27808 (17) | 0.53940 (16) | 0.0364 (5) | |
N3 | 0.90888 (18) | 0.48375 (15) | −0.18415 (15) | 0.0313 (4) | |
C1 | 0.6596 (2) | 0.31728 (19) | 0.22470 (18) | 0.0308 (5) | |
H1 | 0.7254 | 0.2463 | 0.2565 | 0.037* | |
C2 | 0.6021 (2) | 0.41068 (19) | 0.31857 (18) | 0.0317 (5) | |
H2A | 0.6705 | 0.4436 | 0.3373 | 0.038* | |
H2B | 0.5308 | 0.4777 | 0.2902 | 0.038* | |
C3 | 0.4401 (2) | 0.32288 (19) | 0.4366 (2) | 0.0337 (5) | |
H3 | 0.3851 | 0.3296 | 0.3785 | 0.040* | |
C4 | 0.6061 (2) | 0.33516 (18) | 0.52643 (18) | 0.0299 (5) | |
C5 | 0.7173 (2) | 0.35401 (19) | 0.56430 (19) | 0.0357 (5) | |
H5 | 0.7736 | 0.3863 | 0.5157 | 0.043* | |
C6 | 0.7403 (3) | 0.3225 (2) | 0.6777 (2) | 0.0433 (6) | |
H6 | 0.8127 | 0.3352 | 0.7066 | 0.052* | |
C7 | 0.6563 (3) | 0.2716 (2) | 0.7504 (2) | 0.0462 (7) | |
H7 | 0.6750 | 0.2508 | 0.8260 | 0.055* | |
C8 | 0.5472 (3) | 0.2517 (2) | 0.7123 (2) | 0.0413 (6) | |
H8 | 0.4926 | 0.2174 | 0.7608 | 0.050* | |
C9 | 0.5211 (2) | 0.28481 (18) | 0.59858 (19) | 0.0328 (5) | |
C10 | 0.5907 (3) | 0.1737 (2) | 0.1282 (2) | 0.0419 (6) | |
H10A | 0.6551 | 0.1073 | 0.1652 | 0.050* | |
H10B | 0.6318 | 0.1911 | 0.0538 | 0.050* | |
C11 | 0.4708 (2) | 0.13819 (19) | 0.1133 (2) | 0.0343 (5) | |
C12 | 0.4139 (2) | 0.0811 (2) | 0.2031 (2) | 0.0376 (6) | |
H12 | 0.4498 | 0.0671 | 0.2735 | 0.045* | |
C13 | 0.3050 (2) | 0.0453 (2) | 0.1886 (2) | 0.0398 (6) | |
H13 | 0.2670 | 0.0078 | 0.2490 | 0.048* | |
C14 | 0.2527 (2) | 0.0656 (2) | 0.0829 (2) | 0.0389 (6) | |
C15 | 0.3053 (3) | 0.1241 (2) | −0.0070 (2) | 0.0406 (6) | |
H15 | 0.2691 | 0.1383 | −0.0772 | 0.049* | |
C16 | 0.4130 (3) | 0.1608 (2) | 0.0104 (2) | 0.0389 (6) | |
H16 | 0.4480 | 0.2020 | −0.0489 | 0.047* | |
C17 | 0.7259 (2) | 0.36472 (18) | 0.12031 (18) | 0.0301 (5) | |
C18 | 0.8556 (2) | 0.30403 (19) | 0.07960 (19) | 0.0349 (5) | |
H18 | 0.9027 | 0.2344 | 0.1190 | 0.042* | |
C19 | 0.9176 (2) | 0.3435 (2) | −0.0178 (2) | 0.0372 (6) | |
H19 | 1.0055 | 0.3004 | −0.0419 | 0.045* | |
C20 | 0.8508 (2) | 0.44694 (18) | −0.08082 (18) | 0.0297 (5) | |
C21 | 0.7187 (2) | 0.5080 (2) | −0.0392 (2) | 0.0368 (6) | |
H21 | 0.6704 | 0.5769 | −0.0789 | 0.044* | |
C22 | 0.6590 (2) | 0.4684 (2) | 0.0586 (2) | 0.0376 (6) | |
H22 | 0.5718 | 0.5119 | 0.0843 | 0.045* | |
C23 | 1.0515 (2) | 0.4257 (2) | −0.2155 (2) | 0.0358 (6) | |
H23A | 1.0739 | 0.3379 | −0.2027 | 0.043* | |
H23B | 1.1021 | 0.4564 | −0.1674 | 0.043* | |
C24 | 1.0869 (3) | 0.4525 (2) | −0.3397 (2) | 0.0434 (6) | |
H24A | 1.1817 | 0.4149 | −0.3589 | 0.052* | |
H24B | 1.0408 | 0.4165 | −0.3876 | 0.052* | |
C25 | 0.9129 (3) | 0.6344 (2) | −0.3385 (2) | 0.0512 (7) | |
H25A | 0.8669 | 0.5993 | −0.3874 | 0.061* | |
H25B | 0.8889 | 0.7216 | −0.3555 | 0.061* | |
C26 | 0.8684 (2) | 0.6145 (2) | −0.2142 (2) | 0.0405 (6) | |
H26A | 0.9071 | 0.6566 | −0.1652 | 0.049* | |
H26B | 0.7724 | 0.6485 | −0.2012 | 0.049* | |
C27 | 0.8136 (3) | 0.8985 (2) | 0.3906 (2) | 0.0507 (7) | |
H27 | 0.8611 | 0.8314 | 0.4402 | 0.061* | |
C28 | 0.7247 (4) | 1.0008 (3) | 0.4653 (3) | 0.0780 (11) | |
H28A | 0.6592 | 0.9727 | 0.5113 | 0.117* | |
H28B | 0.6810 | 1.0687 | 0.4175 | 0.117* | |
H28C | 0.7770 | 1.0261 | 0.5148 | 0.117* | |
C29 | 0.9145 (3) | 0.9384 (3) | 0.3103 (3) | 0.0661 (9) | |
H29A | 0.9703 | 0.8700 | 0.2660 | 0.099* | |
H29B | 0.9681 | 0.9684 | 0.3546 | 0.099* | |
H29C | 0.8690 | 1.0023 | 0.2594 | 0.099* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.0380 (4) | 0.0487 (4) | 0.0835 (6) | −0.0127 (3) | −0.0057 (4) | −0.0166 (4) |
O1 | 0.0351 (9) | 0.0301 (8) | 0.0351 (9) | −0.0117 (7) | 0.0014 (7) | −0.0076 (6) |
O2 | 0.0428 (11) | 0.0463 (10) | 0.0497 (11) | −0.0139 (8) | 0.0105 (8) | 0.0080 (8) |
O3 | 0.0585 (13) | 0.0505 (11) | 0.0468 (11) | −0.0286 (9) | 0.0008 (9) | −0.0029 (9) |
N1 | 0.0369 (11) | 0.0313 (9) | 0.0229 (9) | −0.0140 (8) | −0.0027 (8) | −0.0003 (7) |
N2 | 0.0369 (12) | 0.0379 (10) | 0.0370 (11) | −0.0162 (9) | 0.0005 (9) | −0.0032 (8) |
N3 | 0.0332 (11) | 0.0306 (9) | 0.0286 (10) | −0.0086 (8) | 0.0002 (8) | −0.0013 (8) |
C1 | 0.0350 (13) | 0.0272 (11) | 0.0310 (12) | −0.0113 (9) | −0.0026 (10) | 0.0000 (9) |
C2 | 0.0381 (13) | 0.0316 (11) | 0.0278 (11) | −0.0151 (10) | −0.0018 (10) | 0.0022 (9) |
C3 | 0.0336 (13) | 0.0366 (12) | 0.0348 (12) | −0.0174 (10) | −0.0008 (10) | −0.0003 (10) |
C4 | 0.0360 (13) | 0.0231 (10) | 0.0312 (12) | −0.0100 (9) | −0.0019 (10) | −0.0048 (9) |
C5 | 0.0428 (14) | 0.0311 (12) | 0.0350 (13) | −0.0139 (10) | −0.0036 (11) | −0.0024 (10) |
C6 | 0.0534 (16) | 0.0402 (13) | 0.0407 (14) | −0.0187 (12) | −0.0123 (12) | 0.0009 (11) |
C7 | 0.0681 (19) | 0.0421 (14) | 0.0314 (13) | −0.0194 (13) | −0.0130 (12) | 0.0045 (11) |
C8 | 0.0579 (17) | 0.0337 (12) | 0.0325 (13) | −0.0168 (11) | 0.0015 (12) | 0.0021 (10) |
C9 | 0.0423 (14) | 0.0252 (10) | 0.0308 (12) | −0.0125 (10) | 0.0035 (10) | −0.0018 (9) |
C10 | 0.0459 (15) | 0.0383 (13) | 0.0435 (14) | −0.0165 (11) | 0.0041 (12) | −0.0146 (11) |
C11 | 0.0410 (14) | 0.0254 (11) | 0.0375 (13) | −0.0122 (9) | 0.0005 (11) | −0.0078 (9) |
C12 | 0.0474 (15) | 0.0323 (12) | 0.0316 (12) | −0.0114 (10) | −0.0006 (11) | −0.0015 (10) |
C13 | 0.0426 (15) | 0.0296 (12) | 0.0463 (15) | −0.0123 (10) | 0.0022 (12) | 0.0001 (10) |
C14 | 0.0363 (14) | 0.0279 (11) | 0.0492 (15) | −0.0051 (10) | −0.0028 (11) | −0.0071 (10) |
C15 | 0.0503 (16) | 0.0302 (12) | 0.0367 (14) | −0.0041 (11) | −0.0081 (12) | −0.0045 (10) |
C16 | 0.0520 (16) | 0.0299 (12) | 0.0349 (13) | −0.0139 (11) | 0.0010 (11) | −0.0056 (10) |
C17 | 0.0379 (13) | 0.0252 (10) | 0.0292 (11) | −0.0125 (9) | −0.0045 (10) | −0.0007 (9) |
C18 | 0.0381 (14) | 0.0286 (11) | 0.0342 (12) | −0.0068 (10) | −0.0013 (10) | 0.0052 (9) |
C19 | 0.0308 (13) | 0.0344 (12) | 0.0405 (13) | −0.0033 (10) | 0.0010 (10) | −0.0001 (10) |
C20 | 0.0344 (13) | 0.0270 (10) | 0.0298 (11) | −0.0116 (9) | −0.0048 (10) | −0.0022 (9) |
C21 | 0.0377 (14) | 0.0305 (11) | 0.0348 (13) | −0.0028 (10) | 0.0016 (10) | 0.0044 (10) |
C22 | 0.0341 (13) | 0.0327 (12) | 0.0392 (13) | −0.0033 (10) | 0.0037 (11) | 0.0014 (10) |
C23 | 0.0334 (13) | 0.0314 (11) | 0.0410 (13) | −0.0102 (10) | 0.0049 (11) | −0.0033 (10) |
C24 | 0.0434 (15) | 0.0435 (14) | 0.0414 (14) | −0.0147 (11) | 0.0095 (12) | −0.0052 (11) |
C25 | 0.0427 (16) | 0.0558 (16) | 0.0449 (15) | −0.0063 (12) | 0.0032 (12) | 0.0159 (13) |
C26 | 0.0395 (14) | 0.0363 (13) | 0.0390 (14) | −0.0063 (10) | 0.0042 (11) | 0.0071 (10) |
C27 | 0.0587 (18) | 0.0490 (15) | 0.0509 (16) | −0.0259 (13) | −0.0093 (14) | 0.0071 (13) |
C28 | 0.112 (3) | 0.073 (2) | 0.060 (2) | −0.050 (2) | 0.0162 (19) | −0.0216 (17) |
C29 | 0.0525 (19) | 0.0605 (18) | 0.089 (2) | −0.0247 (15) | −0.0039 (17) | 0.0047 (16) |
Cl1—C14 | 1.738 (3) | C14—C15 | 1.381 (3) |
O1—C1 | 1.430 (3) | C14—C13 | 1.389 (4) |
O1—C10 | 1.433 (2) | C15—C16 | 1.380 (3) |
O2—C24 | 1.424 (3) | C15—H15 | 0.9300 |
O2—C25 | 1.427 (3) | C16—C11 | 1.386 (3) |
O3—C27 | 1.418 (3) | C16—H16 | 0.9300 |
O3—H3A | 0.847 (18) | C17—C1 | 1.507 (3) |
N1—C2 | 1.453 (3) | C17—C18 | 1.379 (3) |
N1—C3 | 1.360 (3) | C17—C22 | 1.392 (3) |
N1—C4 | 1.386 (3) | C18—H18 | 0.9300 |
N2—C3 | 1.310 (3) | C19—C18 | 1.382 (3) |
N2—C9 | 1.389 (3) | C19—C20 | 1.398 (3) |
N3—C20 | 1.403 (3) | C19—H19 | 0.9300 |
N3—C23 | 1.466 (3) | C20—C21 | 1.404 (3) |
N3—C26 | 1.464 (3) | C21—H21 | 0.9300 |
C1—C2 | 1.515 (3) | C22—C21 | 1.375 (3) |
C1—H1 | 0.9800 | C22—H22 | 0.9300 |
C2—H2A | 0.9700 | C23—C24 | 1.500 (3) |
C2—H2B | 0.9700 | C23—H23A | 0.9700 |
C3—H3 | 0.9300 | C23—H23B | 0.9700 |
C4—C5 | 1.391 (3) | C24—H24A | 0.9700 |
C4—C9 | 1.407 (3) | C24—H24B | 0.9700 |
C5—C6 | 1.383 (3) | C25—H25A | 0.9700 |
C5—H5 | 0.9300 | C25—H25B | 0.9700 |
C6—H6 | 0.9300 | C26—C25 | 1.507 (3) |
C7—C6 | 1.406 (3) | C26—H26A | 0.9700 |
C7—H7 | 0.9300 | C26—H26B | 0.9700 |
C8—C7 | 1.376 (4) | C27—C28 | 1.506 (4) |
C8—H8 | 0.9300 | C27—C29 | 1.514 (4) |
C9—C8 | 1.397 (3) | C27—H27 | 0.9800 |
C10—H10A | 0.9700 | C28—H28A | 0.9600 |
C10—H10B | 0.9700 | C28—H28B | 0.9600 |
C11—C10 | 1.489 (3) | C28—H28C | 0.9600 |
C12—C11 | 1.394 (3) | C29—H29A | 0.9600 |
C12—C13 | 1.378 (3) | C29—H29B | 0.9600 |
C12—H12 | 0.9300 | C29—H29C | 0.9600 |
C13—H13 | 0.9300 | ||
C1—O1—C10 | 112.78 (16) | C11—C16—H16 | 119.0 |
C24—O2—C25 | 108.72 (18) | C15—C16—C11 | 122.1 (2) |
C27—O3—H3A | 103 (2) | C15—C16—H16 | 119.0 |
C3—N1—C2 | 127.01 (18) | C18—C17—C1 | 120.85 (19) |
C3—N1—C4 | 106.32 (17) | C18—C17—C22 | 117.0 (2) |
C4—N1—C2 | 126.68 (18) | C22—C17—C1 | 122.07 (19) |
C3—N2—C9 | 104.40 (19) | C17—C18—C19 | 122.1 (2) |
C20—N3—C23 | 118.45 (17) | C17—C18—H18 | 119.0 |
C20—N3—C26 | 117.93 (16) | C19—C18—H18 | 119.0 |
C26—N3—C23 | 111.22 (17) | C18—C19—C20 | 121.2 (2) |
O1—C1—C17 | 112.39 (17) | C18—C19—H19 | 119.4 |
O1—C1—C2 | 104.93 (17) | C20—C19—H19 | 119.4 |
O1—C1—H1 | 108.5 | N3—C20—C21 | 121.36 (19) |
C2—C1—H1 | 108.5 | C19—C20—N3 | 122.12 (19) |
C17—C1—C2 | 113.76 (17) | C19—C20—C21 | 116.4 (2) |
C17—C1—H1 | 108.5 | C20—C21—H21 | 119.2 |
N1—C2—C1 | 112.38 (17) | C22—C21—C20 | 121.6 (2) |
N1—C2—H2A | 109.1 | C22—C21—H21 | 119.2 |
N1—C2—H2B | 109.1 | C17—C22—H22 | 119.2 |
C1—C2—H2A | 109.1 | C21—C22—C17 | 121.6 (2) |
C1—C2—H2B | 109.1 | C21—C22—H22 | 119.2 |
H2A—C2—H2B | 107.9 | N3—C23—C24 | 110.09 (19) |
N1—C3—H3 | 122.9 | N3—C23—H23A | 109.6 |
N2—C3—N1 | 114.2 (2) | N3—C23—H23B | 109.6 |
N2—C3—H3 | 122.9 | C24—C23—H23A | 109.6 |
N1—C4—C5 | 132.8 (2) | C24—C23—H23B | 109.6 |
N1—C4—C9 | 105.00 (19) | H23A—C23—H23B | 108.2 |
C5—C4—C9 | 122.2 (2) | O2—C24—C23 | 112.08 (18) |
C4—C5—H5 | 121.6 | O2—C24—H24A | 109.2 |
C6—C5—C4 | 116.9 (2) | O2—C24—H24B | 109.2 |
C6—C5—H5 | 121.6 | C23—C24—H24A | 109.2 |
C5—C6—C7 | 121.4 (2) | C23—C24—H24B | 109.2 |
C5—C6—H6 | 119.3 | H24A—C24—H24B | 107.9 |
C7—C6—H6 | 119.3 | O2—C25—C26 | 112.0 (2) |
C6—C7—H7 | 119.2 | O2—C25—H25A | 109.2 |
C8—C7—C6 | 121.7 (2) | O2—C25—H25B | 109.2 |
C8—C7—H7 | 119.2 | C26—C25—H25A | 109.2 |
C7—C8—C9 | 117.8 (2) | C26—C25—H25B | 109.2 |
C7—C8—H8 | 121.1 | H25A—C25—H25B | 107.9 |
C9—C8—H8 | 121.1 | N3—C26—C25 | 110.64 (19) |
N2—C9—C4 | 110.1 (2) | N3—C26—H26A | 109.5 |
N2—C9—C8 | 129.9 (2) | N3—C26—H26B | 109.5 |
C8—C9—C4 | 120.0 (2) | C25—C26—H26A | 109.5 |
O1—C10—C11 | 108.21 (18) | C25—C26—H26B | 109.5 |
O1—C10—H10A | 110.1 | H26A—C26—H26B | 108.1 |
O1—C10—H10B | 110.1 | O3—C27—C28 | 111.1 (2) |
C11—C10—H10A | 110.1 | O3—C27—C29 | 106.9 (2) |
C11—C10—H10B | 110.1 | O3—C27—H27 | 108.8 |
H10A—C10—H10B | 108.4 | C28—C27—C29 | 112.4 (2) |
C12—C11—C10 | 120.5 (2) | C28—C27—H27 | 108.8 |
C16—C11—C10 | 121.2 (2) | C29—C27—H27 | 108.8 |
C16—C11—C12 | 118.4 (2) | C27—C28—H28A | 109.5 |
C11—C12—H12 | 119.7 | C27—C28—H28B | 109.5 |
C13—C12—C11 | 120.6 (2) | C27—C28—H28C | 109.5 |
C13—C12—H12 | 119.7 | H28A—C28—H28B | 109.5 |
C12—C13—C14 | 119.4 (2) | H28A—C28—H28C | 109.5 |
C12—C13—H13 | 120.3 | H28B—C28—H28C | 109.5 |
C14—C13—H13 | 120.3 | C27—C29—H29A | 109.5 |
C13—C14—Cl1 | 119.17 (19) | C27—C29—H29B | 109.5 |
C15—C14—Cl1 | 119.5 (2) | C27—C29—H29C | 109.5 |
C15—C14—C13 | 121.3 (2) | H29A—C29—H29B | 109.5 |
C14—C15—H15 | 120.9 | H29A—C29—H29C | 109.5 |
C16—C15—C14 | 118.2 (2) | H29B—C29—H29C | 109.5 |
C16—C15—H15 | 120.9 | ||
C10—O1—C1—C17 | 68.3 (2) | C8—C7—C6—C5 | −0.5 (4) |
C10—O1—C1—C2 | −167.60 (17) | C9—C8—C7—C6 | −0.5 (4) |
C1—O1—C10—C11 | 175.73 (18) | N2—C9—C8—C7 | −178.2 (2) |
C25—O2—C24—C23 | −60.4 (3) | C4—C9—C8—C7 | 0.8 (3) |
C24—O2—C25—C26 | 59.3 (3) | C12—C11—C10—O1 | −75.2 (3) |
C3—N1—C2—C1 | −70.9 (3) | C16—C11—C10—O1 | 104.8 (2) |
C4—N1—C2—C1 | 108.7 (2) | C13—C12—C11—C16 | 1.7 (3) |
C2—N1—C3—N2 | 179.53 (18) | C13—C12—C11—C10 | −178.3 (2) |
C4—N1—C3—N2 | −0.2 (2) | C11—C12—C13—C14 | 0.5 (3) |
C2—N1—C4—C5 | 1.5 (4) | Cl1—C14—C13—C12 | 175.85 (17) |
C2—N1—C4—C9 | −179.65 (18) | C15—C14—C13—C12 | −1.8 (3) |
C3—N1—C4—C5 | −178.8 (2) | Cl1—C14—C15—C16 | −176.86 (17) |
C3—N1—C4—C9 | 0.0 (2) | C13—C14—C15—C16 | 0.8 (3) |
C9—N2—C3—N1 | 0.2 (2) | C14—C15—C16—C11 | 1.5 (3) |
C3—N2—C9—C4 | −0.2 (2) | C15—C16—C11—C10 | 177.2 (2) |
C3—N2—C9—C8 | 178.9 (2) | C15—C16—C11—C12 | −2.8 (3) |
C23—N3—C20—C19 | −11.4 (3) | C18—C17—C1—O1 | −115.5 (2) |
C23—N3—C20—C21 | 172.8 (2) | C18—C17—C1—C2 | 125.5 (2) |
C26—N3—C20—C19 | −150.3 (2) | C22—C17—C1—O1 | 62.4 (3) |
C26—N3—C20—C21 | 33.9 (3) | C22—C17—C1—C2 | −56.7 (3) |
C20—N3—C23—C24 | 165.53 (18) | C1—C17—C18—C19 | 178.1 (2) |
C26—N3—C23—C24 | −53.0 (2) | C22—C17—C18—C19 | 0.1 (3) |
C20—N3—C26—C25 | −166.0 (2) | C1—C17—C22—C21 | −177.3 (2) |
C23—N3—C26—C25 | 52.4 (3) | C18—C17—C22—C21 | 0.7 (3) |
O1—C1—C2—N1 | 62.6 (2) | C20—C19—C18—C17 | −0.7 (4) |
C17—C1—C2—N1 | −174.18 (18) | C18—C19—C20—N3 | −175.6 (2) |
N1—C4—C5—C6 | 177.8 (2) | C18—C19—C20—C21 | 0.3 (3) |
C9—C4—C5—C6 | −0.9 (3) | N3—C20—C21—C22 | 176.5 (2) |
N1—C4—C9—N2 | 0.1 (2) | C17—C22—C21—C20 | −1.0 (4) |
N1—C4—C9—C8 | −179.09 (19) | C19—C20—C21—C22 | 0.5 (3) |
C5—C4—C9—N2 | 179.06 (18) | N3—C23—C24—O2 | 57.8 (3) |
C5—C4—C9—C8 | −0.1 (3) | N3—C26—C25—O2 | −56.1 (3) |
C4—C5—C6—C7 | 1.2 (3) |
Cg2 is the centroid of the C4–C9 benzene ring. |
D—H···A | D—H | H···A | D···A | D—H···A |
O3—H3A···N2i | 0.85 (3) | 2.08 (3) | 2.916 (3) | 170 (3) |
C5—H5···O2ii | 0.93 | 2.52 | 3.429 (3) | 165 |
C2—H2B···Cg2i | 0.97 | 2.68 | 3.465 (2) | 138 |
Symmetry codes: (i) −x+1, −y+1, −z+1; (ii) −x+2, −y+1, −z. |
Cg2 is the centroid of the C4–C9 benzene ring. |
D—H···A | D—H | H···A | D···A | D—H···A |
O3—H3A···N2i | 0.85 (3) | 2.08 (3) | 2.916 (3) | 170 (3) |
C5—H5···O2ii | 0.93 | 2.52 | 3.429 (3) | 165 |
C2—H2B···Cg2i | 0.97 | 2.68 | 3.465 (2) | 138 |
Symmetry codes: (i) −x+1, −y+1, −z+1; (ii) −x+2, −y+1, −z. |
Acknowledgements
The authors acknowledge to Zonguldak Karaelmas University Research Fund (Project No: 2010-13-02-06).
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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.
Econazole, miconazole, ketoconazole, fluconazole and itraconazole possessing imidazole or triazole ring in their structures have been known as antifungal agents and used in clinics. The crystal structures of econazole (Freer et al., 1986), miconazole (Peeters et al., 1979a), ketoconazole (Peeters et al., 1979b), fluconazole (Caira et al., 2004) and itraconazole (Peeters et al., 1996) have been reported, previously. Then, similar ether structures possessing benzimidazole ring in their structures have been reported to show antibacterial activity more than antifungal ativity (Özel Güven et al., 2007a,b) and the crystal structures of these compounds have been reported (Özel Güven et al., 2008a,b,c,d). Lately, the crystal structure of a similar new compound has been reported (Özel Güven et al., 2013). Now, we report herein the crystal structure of the title compound, (I), which is another benzimidazole derivative.
In the molecule of the title compound, (Fig. 1), the bond lengths and angles are generally within normal ranges. The benzimidazole [A (N1/N2/C3—C9)] ring system is approximately planar with a maximum deviation of -0.018 (2) Å for atom C6 and its mean plane is oriented with respect to the benzene [B (C11—C16)] and phenyl [C (C17—C22)] rings at dihedral angles of A/B = 4.51 (6) and A/C = 56.16 (6) °. The dihedral angle between benzene and phenyl rings is B/C = 59.11 (7)°. Atom C10 is 0.059 (2) Å away from the plane of the benzene ring and atoms C1 and N3 are 0.052 (2) and 0.084 (2) Å away from the plane of the phenyl ring. The morpholine ring D (C23—C26/O2/N3) is not planar, but adopting a chair conformation with puckering parameters (Cremer & Pople, 1975) QT = 1.044 (6)Å, ϕ = 33.3 (2)° and θ = 58.6 (2)°.
In the crystal structure, weak intermolecular C—H···O hydrogen bonds (Table 1) link the molecules into centrosymmetric R22(28) dimers (Bernstein et al., 1995). These dimers are further connected via intermolecular O—H···N hydrogen bonds to the solvent molecules (Table 1 and Fig. 2). There also exists a π···π contact between the benzene rings, Cg3—Cg3i, [centroid-centroid distance = 3.792 (1) Å; symmetry code: (i) 1 - x, -y, -z; Cg3 is the centroid of the ring B (C11—C16)] and two weak C—H···π interactions (Table 1), in which they may further stabilize the structure.