organic compounds
3-{5-Ethoxycarbonyl-1-[3-(2-oxopyrrolidin-1-yl)propyl]-1H-benzimidazol-2-yl}benzoic acid
aInstitute for Research in Molecular Medicine, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia, and bX-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
*Correspondence e-mail: arazaki@usm.my
In the title compound, C24H25N3O5, the ethoxy group is disordered over two orientations in a 0.853 (14):0.147 (14) ratio. The benzimadazole ring system (r.m.s. deviation = 0.016 Å) makes a dihedral angle of 35.47 (7)° with the attached benzene ring. The pyrrolidine ring adopts an with a methylene C atom as the flap. In the crystal, inversion dimers linked by pairs of O—H⋯N hydrogen bonds generate R22(16) loops. C—H⋯O interactions link the dimers into a three-dimensional network.
Related literature
For a related structure and background to benzimidazoles, see: Yoon et al. (2012). For the stability of the temperature controller used in the data collection, see: Cosier & Glazer (1986). For puckering parameters, see: Cremer & Pople (1975).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2009); cell SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL and PLATON (Spek, 2009).
Supporting information
10.1107/S1600536813001116/hb7017sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536813001116/hb7017Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536813001116/hb7017Isup3.cml
Ethyl 3-amino-4-(3(2-oxopyrrolidin-1yl)propylamino)benzoate (0.84 mmol) and sodium metabisulfite adduct of 4-carboxy benzaldehyde (1.68 mmol) were dissolved in DMF. The reaction mixture was reflux at 130 °C for 2 hrs. After completion, the reaction mixture was diluted in Ethyl acetate (20 ml) and washed with water (20 ml). The organic layer was collected, dried over Na2SO4 and the evaporated in vacuo to yield the product. The product was recrystallized from ethyl acetate as brown plates.
O bound H atoms were located from a difference Fourier maps and freely refined. The remaining H atoms were positioned geometrically and refined using a riding model with C—H = 0.95–0.99 Å and Uiso(H) = 1.2Ueq(C) and 1.5Ueq(C-methyl). The ethoxy group disordered over two postion with the final refine occupancies 0.853 (14):0.147 (14). A rigid bond and similar restraint were applied for the disordered component. The same anisotropic displacement are used for the C23X and C24X.
Data collection: APEX2 (Bruker, 2009); cell
SAINT (Bruker, 2009); data reduction: SAINT (Bruker, 2009); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009).Fig. 1. The structure of the title compound, showing 50% probability displacement ellipsoids. | |
Fig. 2. The crystal packing of (I). Dashed lines indicate hydrogen bonds. H atoms not involved in the hydrogen bond interactions have been omitted for clarity. |
C24H25N3O5 | F(000) = 920 |
Mr = 435.47 | Dx = 1.398 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 3829 reflections |
a = 9.3097 (3) Å | θ = 2.4–29.4° |
b = 24.8252 (7) Å | µ = 0.10 mm−1 |
c = 9.6761 (3) Å | T = 100 K |
β = 112.322 (1)° | Plate, brown |
V = 2068.71 (11) Å3 | 0.39 × 0.23 × 0.08 mm |
Z = 4 |
Bruker SMART APEXII CCD diffractometer | 6010 independent reflections |
Radiation source: fine-focus sealed tube | 3706 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.065 |
ϕ and ω scans | θmax = 30.1°, θmin = 2.4° |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | h = −13→13 |
Tmin = 0.963, Tmax = 0.992 | k = −34→34 |
23636 measured reflections | l = −8→13 |
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)] = 0.064 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.134 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.03 | w = 1/[σ2(Fo2) + (0.0444P)2 + 0.6946P] where P = (Fo2 + 2Fc2)/3 |
6010 reflections | (Δ/σ)max = 0.001 |
317 parameters | Δρmax = 0.37 e Å−3 |
69 restraints | Δρmin = −0.31 e Å−3 |
C24H25N3O5 | V = 2068.71 (11) Å3 |
Mr = 435.47 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 9.3097 (3) Å | µ = 0.10 mm−1 |
b = 24.8252 (7) Å | T = 100 K |
c = 9.6761 (3) Å | 0.39 × 0.23 × 0.08 mm |
β = 112.322 (1)° |
Bruker SMART APEXII CCD diffractometer | 6010 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | 3706 reflections with I > 2σ(I) |
Tmin = 0.963, Tmax = 0.992 | Rint = 0.065 |
23636 measured reflections |
R[F2 > 2σ(F2)] = 0.064 | 69 restraints |
wR(F2) = 0.134 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.03 | Δρmax = 0.37 e Å−3 |
6010 reflections | Δρmin = −0.31 e Å−3 |
317 parameters |
Experimental. The crystal was placed in the cold stream of an Oxford Cryosystems Cobra open-flow nitrogen cryostat (Cosier & Glazer, 1986) operating at 100.0 (1) K. |
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 | Occ. (<1) | |
O1 | −0.1036 (4) | −0.15612 (14) | 0.1235 (6) | 0.0179 (7) | 0.853 (14) |
C23 | −0.1927 (4) | −0.20029 (16) | 0.1526 (4) | 0.0216 (8) | 0.853 (14) |
H23A | −0.3036 | −0.1964 | 0.0868 | 0.026* | 0.853 (14) |
H23B | −0.1847 | −0.1983 | 0.2575 | 0.026* | 0.853 (14) |
C24 | −0.1357 (4) | −0.25307 (15) | 0.1261 (8) | 0.0427 (14) | 0.853 (14) |
H24A | −0.1986 | −0.2817 | 0.1448 | 0.064* | 0.853 (14) |
H24B | −0.0270 | −0.2575 | 0.1935 | 0.064* | 0.853 (14) |
H24C | −0.1437 | −0.2551 | 0.0223 | 0.064* | 0.853 (14) |
O1X | −0.066 (4) | −0.1693 (10) | 0.123 (4) | 0.043 (6) | 0.147 (14) |
C23X | −0.148 (5) | −0.2161 (11) | 0.153 (3) | 0.054 (5) | 0.147 (14) |
H23C | −0.1018 | −0.2268 | 0.2591 | 0.064* | 0.147 (14) |
H23D | −0.2598 | −0.2080 | 0.1259 | 0.064* | 0.147 (14) |
C24X | −0.127 (4) | −0.2575 (9) | 0.057 (3) | 0.054 (5) | 0.147 (14) |
H24D | −0.1522 | −0.2927 | 0.0879 | 0.080* | 0.147 (14) |
H24E | −0.0185 | −0.2575 | 0.0657 | 0.080* | 0.147 (14) |
H24F | −0.1952 | −0.2504 | −0.0466 | 0.080* | 0.147 (14) |
O2 | −0.02946 (16) | 0.06006 (5) | −0.61398 (17) | 0.0181 (3) | |
O3 | 0.12028 (16) | 0.11302 (5) | −0.69174 (16) | 0.0201 (3) | |
O4 | 0.43579 (19) | 0.23361 (6) | 0.23971 (19) | 0.0333 (4) | |
O5 | 0.06150 (17) | −0.15773 (6) | 0.36566 (17) | 0.0231 (3) | |
N1 | 0.30457 (18) | 0.03432 (6) | 0.07554 (19) | 0.0142 (3) | |
N2 | 0.17804 (18) | −0.02457 (6) | −0.10670 (19) | 0.0147 (4) | |
N3 | 0.61523 (19) | 0.17298 (6) | 0.2256 (2) | 0.0184 (4) | |
C1 | 0.2460 (2) | −0.00527 (7) | 0.1413 (2) | 0.0135 (4) | |
C2 | 0.2562 (2) | −0.01238 (8) | 0.2868 (2) | 0.0145 (4) | |
H2A | 0.3106 | 0.0124 | 0.3638 | 0.017* | |
C3 | 0.1832 (2) | −0.05727 (7) | 0.3144 (2) | 0.0151 (4) | |
H3A | 0.1897 | −0.0640 | 0.4133 | 0.018* | |
C4 | 0.0994 (2) | −0.09329 (7) | 0.1994 (2) | 0.0147 (4) | |
C5 | 0.0890 (2) | −0.08568 (8) | 0.0537 (2) | 0.0158 (4) | |
H5A | 0.0315 | −0.1097 | −0.0240 | 0.019* | |
C6 | 0.1663 (2) | −0.04131 (7) | 0.0261 (2) | 0.0139 (4) | |
C7 | 0.2601 (2) | 0.02085 (7) | −0.0722 (2) | 0.0139 (4) | |
C8 | 0.2977 (2) | 0.05271 (7) | −0.1826 (2) | 0.0145 (4) | |
C9 | 0.1876 (2) | 0.05557 (7) | −0.3289 (2) | 0.0148 (4) | |
H9A | 0.0924 | 0.0365 | −0.3548 | 0.018* | |
C10 | 0.2155 (2) | 0.08584 (7) | −0.4364 (2) | 0.0148 (4) | |
C11 | 0.3555 (2) | 0.11325 (8) | −0.3997 (2) | 0.0178 (4) | |
H11A | 0.3739 | 0.1347 | −0.4725 | 0.021* | |
C12 | 0.4683 (2) | 0.10921 (8) | −0.2565 (2) | 0.0185 (4) | |
H12A | 0.5650 | 0.1271 | −0.2325 | 0.022* | |
C13 | 0.4402 (2) | 0.07915 (8) | −0.1481 (2) | 0.0177 (4) | |
H13A | 0.5179 | 0.0765 | −0.0504 | 0.021* | |
C14 | 0.0980 (2) | 0.08844 (7) | −0.5930 (2) | 0.0153 (4) | |
C15 | 0.3717 (2) | 0.08531 (7) | 0.1508 (2) | 0.0155 (4) | |
H15A | 0.3073 | 0.0989 | 0.2044 | 0.019* | |
H15B | 0.3679 | 0.1123 | 0.0742 | 0.019* | |
C16 | 0.5390 (2) | 0.07964 (8) | 0.2613 (2) | 0.0176 (4) | |
H16A | 0.6042 | 0.0656 | 0.2090 | 0.021* | |
H16B | 0.5435 | 0.0536 | 0.3404 | 0.021* | |
C17 | 0.6019 (3) | 0.13412 (8) | 0.3320 (2) | 0.0212 (5) | |
H17A | 0.5322 | 0.1489 | 0.3786 | 0.025* | |
H17B | 0.7054 | 0.1287 | 0.4121 | 0.025* | |
C18 | 0.7451 (3) | 0.17112 (9) | 0.1760 (3) | 0.0262 (5) | |
H18A | 0.7494 | 0.1360 | 0.1293 | 0.031* | |
H18B | 0.8451 | 0.1774 | 0.2604 | 0.031* | |
C19 | 0.7087 (3) | 0.21703 (9) | 0.0613 (3) | 0.0283 (5) | |
H19A | 0.8051 | 0.2348 | 0.0645 | 0.034* | |
H19B | 0.6505 | 0.2036 | −0.0411 | 0.034* | |
C20 | 0.6095 (3) | 0.25556 (8) | 0.1106 (3) | 0.0280 (5) | |
H20A | 0.6740 | 0.2846 | 0.1743 | 0.034* | |
H20B | 0.5269 | 0.2720 | 0.0230 | 0.034* | |
C21 | 0.5400 (2) | 0.22093 (8) | 0.1978 (2) | 0.0206 (5) | |
C22 | 0.0213 (2) | −0.13958 (8) | 0.2405 (2) | 0.0181 (4) | |
H1O2 | −0.085 (4) | 0.0523 (13) | −0.727 (4) | 0.088 (12)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0142 (12) | 0.0183 (13) | 0.0183 (12) | −0.0053 (9) | 0.0027 (10) | 0.0015 (11) |
C23 | 0.0192 (16) | 0.0166 (16) | 0.0258 (16) | −0.0079 (11) | 0.0050 (13) | 0.0021 (12) |
C24 | 0.0372 (19) | 0.0253 (16) | 0.064 (4) | −0.0002 (13) | 0.018 (2) | −0.0081 (19) |
O1X | 0.062 (15) | 0.034 (9) | 0.021 (8) | −0.021 (9) | 0.004 (11) | 0.003 (9) |
C23X | 0.090 (13) | 0.025 (8) | 0.054 (10) | −0.008 (8) | 0.037 (10) | −0.004 (8) |
C24X | 0.090 (13) | 0.025 (8) | 0.054 (10) | −0.008 (8) | 0.037 (10) | −0.004 (8) |
O2 | 0.0158 (7) | 0.0229 (7) | 0.0141 (8) | −0.0050 (6) | 0.0041 (6) | −0.0017 (6) |
O3 | 0.0208 (7) | 0.0225 (7) | 0.0168 (8) | −0.0016 (6) | 0.0069 (6) | 0.0022 (6) |
O4 | 0.0335 (9) | 0.0364 (9) | 0.0320 (11) | 0.0089 (7) | 0.0148 (8) | −0.0014 (8) |
O5 | 0.0236 (8) | 0.0253 (8) | 0.0175 (8) | −0.0030 (6) | 0.0047 (7) | 0.0059 (6) |
N1 | 0.0123 (8) | 0.0176 (8) | 0.0125 (9) | −0.0010 (6) | 0.0045 (7) | −0.0019 (7) |
N2 | 0.0119 (8) | 0.0194 (8) | 0.0115 (9) | −0.0008 (6) | 0.0029 (7) | 0.0002 (7) |
N3 | 0.0173 (9) | 0.0187 (8) | 0.0185 (10) | −0.0009 (7) | 0.0060 (8) | 0.0018 (7) |
C1 | 0.0100 (9) | 0.0159 (9) | 0.0143 (10) | 0.0005 (7) | 0.0042 (8) | −0.0003 (8) |
C2 | 0.0134 (9) | 0.0174 (9) | 0.0113 (10) | 0.0008 (7) | 0.0031 (8) | 0.0002 (7) |
C3 | 0.0132 (9) | 0.0192 (10) | 0.0132 (10) | 0.0017 (8) | 0.0053 (8) | 0.0028 (8) |
C4 | 0.0124 (9) | 0.0169 (9) | 0.0144 (10) | 0.0010 (7) | 0.0046 (8) | 0.0011 (8) |
C5 | 0.0120 (9) | 0.0178 (9) | 0.0159 (11) | 0.0001 (7) | 0.0033 (8) | −0.0019 (8) |
C6 | 0.0122 (9) | 0.0183 (9) | 0.0097 (10) | 0.0015 (7) | 0.0024 (8) | 0.0003 (8) |
C7 | 0.0105 (9) | 0.0166 (9) | 0.0128 (10) | 0.0021 (7) | 0.0026 (8) | −0.0002 (8) |
C8 | 0.0146 (10) | 0.0172 (9) | 0.0130 (10) | 0.0014 (7) | 0.0067 (8) | −0.0001 (8) |
C9 | 0.0125 (9) | 0.0162 (9) | 0.0156 (11) | −0.0004 (7) | 0.0052 (8) | −0.0014 (8) |
C10 | 0.0154 (9) | 0.0154 (9) | 0.0139 (10) | 0.0018 (7) | 0.0058 (8) | −0.0010 (8) |
C11 | 0.0178 (10) | 0.0206 (10) | 0.0177 (11) | −0.0034 (8) | 0.0096 (9) | −0.0018 (8) |
C12 | 0.0151 (10) | 0.0234 (10) | 0.0180 (11) | −0.0038 (8) | 0.0076 (9) | −0.0011 (9) |
C13 | 0.0145 (10) | 0.0223 (10) | 0.0145 (11) | −0.0004 (8) | 0.0036 (9) | −0.0009 (8) |
C14 | 0.0160 (10) | 0.0154 (9) | 0.0152 (11) | 0.0010 (8) | 0.0066 (9) | −0.0007 (8) |
C15 | 0.0168 (10) | 0.0145 (9) | 0.0158 (11) | −0.0007 (8) | 0.0069 (9) | −0.0024 (8) |
C16 | 0.0175 (10) | 0.0176 (10) | 0.0149 (11) | −0.0006 (8) | 0.0032 (9) | 0.0007 (8) |
C17 | 0.0256 (11) | 0.0217 (10) | 0.0130 (11) | −0.0055 (9) | 0.0037 (9) | 0.0013 (8) |
C18 | 0.0201 (11) | 0.0253 (11) | 0.0361 (15) | 0.0011 (9) | 0.0141 (11) | 0.0038 (10) |
C19 | 0.0347 (13) | 0.0267 (11) | 0.0276 (13) | −0.0046 (10) | 0.0165 (11) | 0.0015 (10) |
C20 | 0.0372 (14) | 0.0202 (11) | 0.0266 (13) | −0.0011 (10) | 0.0120 (11) | 0.0029 (9) |
C21 | 0.0219 (11) | 0.0209 (10) | 0.0169 (11) | 0.0007 (8) | 0.0048 (9) | −0.0016 (8) |
C22 | 0.0143 (10) | 0.0172 (9) | 0.0216 (12) | 0.0001 (8) | 0.0056 (9) | 0.0005 (9) |
O1—C22 | 1.343 (5) | C3—H3A | 0.9500 |
O1—C23 | 1.465 (3) | C4—C5 | 1.388 (3) |
C23—C24 | 1.472 (4) | C4—C22 | 1.492 (3) |
C23—H23A | 0.9900 | C5—C6 | 1.396 (3) |
C23—H23B | 0.9900 | C5—H5A | 0.9500 |
C24—H24A | 0.9800 | C7—C8 | 1.475 (3) |
C24—H24B | 0.9800 | C8—C9 | 1.399 (3) |
C24—H24C | 0.9800 | C8—C13 | 1.402 (3) |
O1X—C22 | 1.34 (3) | C9—C10 | 1.386 (3) |
O1X—C23X | 1.478 (17) | C9—H9A | 0.9500 |
C23X—C24X | 1.446 (17) | C10—C11 | 1.392 (3) |
C23X—H23C | 0.9900 | C10—C14 | 1.495 (3) |
C23X—H23D | 0.9900 | C11—C12 | 1.388 (3) |
C24X—H24D | 0.9800 | C11—H11A | 0.9500 |
C24X—H24E | 0.9800 | C12—C13 | 1.390 (3) |
C24X—H24F | 0.9800 | C12—H12A | 0.9500 |
O2—C14 | 1.328 (2) | C13—H13A | 0.9500 |
O2—H1O2 | 1.03 (4) | C15—C16 | 1.525 (3) |
O3—C14 | 1.216 (2) | C15—H15A | 0.9900 |
O4—C21 | 1.226 (2) | C15—H15B | 0.9900 |
O5—C22 | 1.211 (2) | C16—C17 | 1.528 (3) |
N1—C7 | 1.370 (2) | C16—H16A | 0.9900 |
N1—C1 | 1.390 (2) | C16—H16B | 0.9900 |
N1—C15 | 1.475 (2) | C17—H17A | 0.9900 |
N2—C7 | 1.331 (2) | C17—H17B | 0.9900 |
N2—C6 | 1.394 (2) | C18—C19 | 1.536 (3) |
N3—C21 | 1.355 (3) | C18—H18A | 0.9900 |
N3—C17 | 1.450 (3) | C18—H18B | 0.9900 |
N3—C18 | 1.462 (3) | C19—C20 | 1.527 (3) |
C1—C2 | 1.386 (3) | C19—H19A | 0.9900 |
C1—C6 | 1.401 (3) | C19—H19B | 0.9900 |
C2—C3 | 1.383 (3) | C20—C21 | 1.511 (3) |
C2—H2A | 0.9500 | C20—H20A | 0.9900 |
C3—C4 | 1.410 (3) | C20—H20B | 0.9900 |
C22—O1—C23 | 116.1 (4) | C12—C11—C10 | 119.99 (19) |
O1—C23—C24 | 111.4 (3) | C12—C11—H11A | 120.0 |
O1—C23—H23A | 109.3 | C10—C11—H11A | 120.0 |
C24—C23—H23A | 109.3 | C11—C12—C13 | 120.27 (19) |
O1—C23—H23B | 109.3 | C11—C12—H12A | 119.9 |
C24—C23—H23B | 109.3 | C13—C12—H12A | 119.9 |
H23A—C23—H23B | 108.0 | C12—C13—C8 | 120.24 (19) |
C22—O1X—C23X | 117 (2) | C12—C13—H13A | 119.9 |
C24X—C23X—O1X | 103.0 (18) | C8—C13—H13A | 119.9 |
C24X—C23X—H23C | 111.2 | O3—C14—O2 | 123.72 (19) |
O1X—C23X—H23C | 111.2 | O3—C14—C10 | 122.72 (18) |
C24X—C23X—H23D | 111.2 | O2—C14—C10 | 113.53 (17) |
O1X—C23X—H23D | 111.2 | N1—C15—C16 | 113.28 (15) |
H23C—C23X—H23D | 109.1 | N1—C15—H15A | 108.9 |
C23X—C24X—H24D | 109.5 | C16—C15—H15A | 108.9 |
C23X—C24X—H24E | 109.5 | N1—C15—H15B | 108.9 |
H24D—C24X—H24E | 109.5 | C16—C15—H15B | 108.9 |
C23X—C24X—H24F | 109.5 | H15A—C15—H15B | 107.7 |
H24D—C24X—H24F | 109.5 | C15—C16—C17 | 110.36 (16) |
H24E—C24X—H24F | 109.5 | C15—C16—H16A | 109.6 |
C14—O2—H1O2 | 108.8 (19) | C17—C16—H16A | 109.6 |
C7—N1—C1 | 106.81 (15) | C15—C16—H16B | 109.6 |
C7—N1—C15 | 128.88 (16) | C17—C16—H16B | 109.6 |
C1—N1—C15 | 123.18 (16) | H16A—C16—H16B | 108.1 |
C7—N2—C6 | 105.04 (16) | N3—C17—C16 | 113.13 (17) |
C21—N3—C17 | 123.25 (18) | N3—C17—H17A | 109.0 |
C21—N3—C18 | 113.08 (17) | C16—C17—H17A | 109.0 |
C17—N3—C18 | 121.13 (17) | N3—C17—H17B | 109.0 |
C2—C1—N1 | 131.88 (18) | C16—C17—H17B | 109.0 |
C2—C1—C6 | 122.52 (18) | H17A—C17—H17B | 107.8 |
N1—C1—C6 | 105.60 (17) | N3—C18—C19 | 103.34 (17) |
C3—C2—C1 | 116.74 (18) | N3—C18—H18A | 111.1 |
C3—C2—H2A | 121.6 | C19—C18—H18A | 111.1 |
C1—C2—H2A | 121.6 | N3—C18—H18B | 111.1 |
C2—C3—C4 | 121.57 (19) | C19—C18—H18B | 111.1 |
C2—C3—H3A | 119.2 | H18A—C18—H18B | 109.1 |
C4—C3—H3A | 119.2 | C20—C19—C18 | 103.47 (18) |
C5—C4—C3 | 121.29 (18) | C20—C19—H19A | 111.1 |
C5—C4—C22 | 121.47 (18) | C18—C19—H19A | 111.1 |
C3—C4—C22 | 117.23 (18) | C20—C19—H19B | 111.1 |
C4—C5—C6 | 117.34 (18) | C18—C19—H19B | 111.1 |
C4—C5—H5A | 121.3 | H19A—C19—H19B | 109.0 |
C6—C5—H5A | 121.3 | C21—C20—C19 | 104.83 (17) |
N2—C6—C5 | 129.66 (18) | C21—C20—H20A | 110.8 |
N2—C6—C1 | 109.85 (17) | C19—C20—H20A | 110.8 |
C5—C6—C1 | 120.48 (19) | C21—C20—H20B | 110.8 |
N2—C7—N1 | 112.70 (17) | C19—C20—H20B | 110.8 |
N2—C7—C8 | 122.94 (18) | H20A—C20—H20B | 108.9 |
N1—C7—C8 | 124.36 (17) | O4—C21—N3 | 125.0 (2) |
C9—C8—C13 | 118.74 (18) | O4—C21—C20 | 126.77 (19) |
C9—C8—C7 | 118.40 (17) | N3—C21—C20 | 108.20 (18) |
C13—C8—C7 | 122.84 (19) | O5—C22—O1X | 120.1 (11) |
C10—C9—C8 | 120.84 (18) | O5—C22—O1 | 124.7 (2) |
C10—C9—H9A | 119.6 | O1X—C22—O1 | 20.7 (16) |
C8—C9—H9A | 119.6 | O5—C22—C4 | 123.81 (19) |
C9—C10—C11 | 119.84 (19) | O1X—C22—C4 | 113.4 (11) |
C9—C10—C14 | 120.71 (17) | O1—C22—C4 | 111.4 (2) |
C11—C10—C14 | 119.43 (18) | ||
C22—O1—C23—C24 | −90.3 (5) | C10—C11—C12—C13 | −1.9 (3) |
C22—O1X—C23X—C24X | −138 (3) | C11—C12—C13—C8 | 0.0 (3) |
C7—N1—C1—C2 | 179.4 (2) | C9—C8—C13—C12 | 2.4 (3) |
C15—N1—C1—C2 | −11.8 (3) | C7—C8—C13—C12 | −179.14 (18) |
C7—N1—C1—C6 | −0.3 (2) | C9—C10—C14—O3 | −177.43 (18) |
C15—N1—C1—C6 | 168.44 (16) | C11—C10—C14—O3 | 1.2 (3) |
N1—C1—C2—C3 | −179.75 (19) | C9—C10—C14—O2 | 0.5 (3) |
C6—C1—C2—C3 | 0.0 (3) | C11—C10—C14—O2 | 179.16 (17) |
C1—C2—C3—C4 | −1.5 (3) | C7—N1—C15—C16 | −113.5 (2) |
C2—C3—C4—C5 | 1.2 (3) | C1—N1—C15—C16 | 80.4 (2) |
C2—C3—C4—C22 | −178.28 (18) | N1—C15—C16—C17 | 178.68 (17) |
C3—C4—C5—C6 | 0.8 (3) | C21—N3—C17—C16 | 120.6 (2) |
C22—C4—C5—C6 | −179.84 (17) | C18—N3—C17—C16 | −78.7 (2) |
C7—N2—C6—C5 | 178.0 (2) | C15—C16—C17—N3 | −65.6 (2) |
C7—N2—C6—C1 | −1.1 (2) | C21—N3—C18—C19 | −20.0 (2) |
C4—C5—C6—N2 | 178.75 (18) | C17—N3—C18—C19 | 177.57 (18) |
C4—C5—C6—C1 | −2.2 (3) | N3—C18—C19—C20 | 26.0 (2) |
C2—C1—C6—N2 | −178.87 (17) | C18—C19—C20—C21 | −23.6 (2) |
N1—C1—C6—N2 | 0.9 (2) | C17—N3—C21—O4 | −11.8 (3) |
C2—C1—C6—C5 | 2.0 (3) | C18—N3—C21—O4 | −173.9 (2) |
N1—C1—C6—C5 | −178.27 (17) | C17—N3—C21—C20 | 166.91 (18) |
C6—N2—C7—N1 | 0.9 (2) | C18—N3—C21—C20 | 4.9 (2) |
C6—N2—C7—C8 | −179.02 (17) | C19—C20—C21—O4 | −168.8 (2) |
C1—N1—C7—N2 | −0.4 (2) | C19—C20—C21—N3 | 12.5 (2) |
C15—N1—C7—N2 | −168.29 (17) | C23X—O1X—C22—O5 | 18 (3) |
C1—N1—C7—C8 | 179.56 (17) | C23X—O1X—C22—O1 | −91 (4) |
C15—N1—C7—C8 | 11.6 (3) | C23X—O1X—C22—C4 | −179.9 (15) |
N2—C7—C8—C9 | 35.6 (3) | C23—O1—C22—O5 | −1.6 (4) |
N1—C7—C8—C9 | −144.28 (19) | C23—O1—C22—O1X | 82 (4) |
N2—C7—C8—C13 | −142.87 (19) | C23—O1—C22—C4 | −177.9 (2) |
N1—C7—C8—C13 | 37.2 (3) | C5—C4—C22—O5 | 156.8 (2) |
C13—C8—C9—C10 | −2.8 (3) | C3—C4—C22—O5 | −23.7 (3) |
C7—C8—C9—C10 | 178.65 (17) | C5—C4—C22—O1X | −4.5 (18) |
C8—C9—C10—C11 | 0.9 (3) | C3—C4—C22—O1X | 174.9 (18) |
C8—C9—C10—C14 | 179.48 (17) | C5—C4—C22—O1 | −26.8 (3) |
C9—C10—C11—C12 | 1.5 (3) | C3—C4—C22—O1 | 152.6 (2) |
C14—C10—C11—C12 | −177.12 (18) |
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H1O2···N2i | 1.04 (4) | 1.66 (4) | 2.675 (2) | 166 (3) |
C5—H5A···O3i | 0.95 | 2.57 | 3.367 (2) | 141 |
C9—H9A···O2i | 0.95 | 2.46 | 3.177 (2) | 132 |
C15—H15A···O3ii | 0.99 | 2.34 | 3.314 (3) | 167 |
C17—H17B···O5iii | 0.99 | 2.51 | 3.429 (3) | 154 |
C20—H20B···O4iv | 0.99 | 2.55 | 3.340 (3) | 137 |
Symmetry codes: (i) −x, −y, −z−1; (ii) x, y, z+1; (iii) −x+1, −y, −z+1; (iv) x, −y+1/2, z−1/2. |
Experimental details
Crystal data | |
Chemical formula | C24H25N3O5 |
Mr | 435.47 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 100 |
a, b, c (Å) | 9.3097 (3), 24.8252 (7), 9.6761 (3) |
β (°) | 112.322 (1) |
V (Å3) | 2068.71 (11) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.10 |
Crystal size (mm) | 0.39 × 0.23 × 0.08 |
Data collection | |
Diffractometer | Bruker SMART APEXII CCD diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2009) |
Tmin, Tmax | 0.963, 0.992 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 23636, 6010, 3706 |
Rint | 0.065 |
(sin θ/λ)max (Å−1) | 0.705 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.064, 0.134, 1.03 |
No. of reflections | 6010 |
No. of parameters | 317 |
No. of restraints | 69 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.37, −0.31 |
Computer programs: APEX2 (Bruker, 2009), SAINT (Bruker, 2009), SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H1O2···N2i | 1.04 (4) | 1.66 (4) | 2.675 (2) | 166 (3) |
C5—H5A···O3i | 0.95 | 2.57 | 3.367 (2) | 141 |
C9—H9A···O2i | 0.95 | 2.46 | 3.177 (2) | 132 |
C15—H15A···O3ii | 0.99 | 2.34 | 3.314 (3) | 167 |
C17—H17B···O5iii | 0.99 | 2.51 | 3.429 (3) | 154 |
C20—H20B···O4iv | 0.99 | 2.55 | 3.340 (3) | 137 |
Symmetry codes: (i) −x, −y, −z−1; (ii) x, y, z+1; (iii) −x+1, −y, −z+1; (iv) x, −y+1/2, z−1/2. |
Acknowledgements
The authors thank the Pharmacogenetics and Novel Therapeutics Research Cluster, Institute for Research in Molecular Medicine, Universiti Sains Malaysia (USM), Penang, for supporting this work. This work was funded through Research Grant (RUC) No. 1001/PSK/8620012 and HiCoE Research Grant No. 311.CIPPM.4401005. IAR also thanks USM for the Research University Grant No. 1001/PFIZIK/811151.
References
Bruker (2009). APEX2, SAINT and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA. Google Scholar
Cosier, J. & Glazer, A. M. (1986). J. Appl. Cryst. 19, 105–107. CrossRef CAS Web of Science IUCr Journals Google Scholar
Cremer, D. & Pople, J. A. (1975). J. Am. Chem. Soc. 97, 1354–1358. CrossRef CAS Web of Science Google Scholar
Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122. Web of Science CrossRef CAS IUCr Journals Google Scholar
Spek, A. L. (2009). Acta Cryst. D65, 148–155. Web of Science CrossRef CAS IUCr Journals Google Scholar
Yoon, Y. K., Ali, M. A., Choon, T. S., Asik, S. I. J. & Razak, I. A. (2012). Acta Cryst. E68, o59. Web of Science CSD CrossRef IUCr Journals Google Scholar
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.
As part of our ongoing structural studies of benzimidazole derivatives (Yoon et al., 2012), we now report the structure of the title compound.
The ethoxy group is disordered over two position with the final refined occupancies of 0.853 (14):0.147 (14). The benzimidazole (N1—N2/C—C7) ring in the title compound, Fig. 1, is almost planar with maximum deviation of 0.02 Å for atom N2 and makes a dihedral angle of 35.63° with the attached benzene ring (C8—C13). The pyrrolidine ring (N3/C18—C21) adopts an envelope conformation with C19 as the flap and puckering parameters Q = 0.262 (3) Å and ϕ = 64.0 (5)°.
In the crystal (Fig. 2), O—H···N and C—H···O interactions (Table 1) link the molecules into a three-dimensional network.