organic compounds
2-(4,5-Diphenyl-2-p-tolyl-1H-imidazol-1-yl)-3-phenylpropan-1-ol
aSchool of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, People's Republic of China
*Correspondence e-mail: henangongda@yahoo.com
In the title compound, C31H28N2O, the dihedral angles formed by the imidazole ring with the three aryl substituents are 18.52 (8) and 85.56 (7) and 85.57 (7)°, respectively. In the crystal, molecules are linked by O—H⋯N and C—H⋯O hydrogen bonds into chains parallel to the a axis.
Related literature
For the synthesis and properties of chiral ionic liquids, see: Olivier-Bourbigou et al. (2010); Chen et al. (2008); Mao et al. (2010).
Experimental
Crystal data
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Data collection: CrysAlis PRO (Agilent, 2011); cell CrysAlis PRO; data reduction: CrysAlis PRO; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: OLEX2 (Dolomanov et al., 2009); software used to prepare material for publication: OLEX2.
Supporting information
10.1107/S1600536811054766/rz2683sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536811054766/rz2683Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536811054766/rz2683Isup3.cml
To a solution of L-phenylalaninol (15.1 g, 0.1 mol) in MeOH (50 ml) in an ice-bath, a molar equivalent of dibenzoyl, 4-methylbenzaldehyde and ammonium acetate were added. The mixture was kept stirring in the ice-bath until all the solids were dissolved before being heated to 60°C for 5 h. The mixture was then cooled to room temperature and the solvent was removed by evaporation. The residue was washed with H2O to obtain the crude product. Crystallization of the crude product in EtOH afforded colourless crystals of the title compound.
The hydroxyl H atom was located in a difference Fourier map and refined freely. All other H atoms were placed in calculated positions with C—H = 0.93–0.98 Å and refined as riding, with Uiso(H) = 1.2Ueq(C) or 1.5Ueq(C) for methyl H atoms.
Data collection: CrysAlis PRO (Agilent, 2011); cell
CrysAlis PRO (Agilent, 2011); data reduction: CrysAlis PRO (Agilent, 2011); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: OLEX2 (Dolomanov et al., 2009); software used to prepare material for publication: OLEX2 (Dolomanov et al., 2009).Fig. 1. The molecular structure of the title compound showing 30% probability displacement ellipsoids. Hydrogen atoms are omitted for clarity. |
C31H28N2O | F(000) = 944 |
Mr = 444.55 | Dx = 1.172 Mg m−3 |
Orthorhombic, P212121 | Cu Kα radiation, λ = 1.5418 Å |
Hall symbol: P 2ac 2ab | Cell parameters from 3569 reflections |
a = 9.3413 (7) Å | θ = 3.2–67.0° |
b = 13.7402 (11) Å | µ = 0.55 mm−1 |
c = 19.6296 (14) Å | T = 291 K |
V = 2519.5 (3) Å3 | Prismatic, colourless |
Z = 4 | 0.25 × 0.20 × 0.20 mm |
Agilent Xcalibur Eos Gemini diffractometer | 4441 independent reflections |
Radiation source: Enhance (Cu) X-ray Source | 4007 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.027 |
Detector resolution: 16.2312 pixels mm-1 | θmax = 66.9°, θmin = 3.9° |
ω scans | h = −9→11 |
Absorption correction: multi-scan (CrysAlis PRO; Agilent, 2011) | k = −16→13 |
Tmin = 0.866, Tmax = 1.000 | l = −21→23 |
9302 measured reflections |
Refinement on F2 | Hydrogen site location: inferred from neighbouring sites |
Least-squares matrix: full | H atoms treated by a mixture of independent and constrained refinement |
R[F2 > 2σ(F2)] = 0.037 | w = 1/[σ2(Fo2) + (0.0481P)2 + 0.1385P] where P = (Fo2 + 2Fc2)/3 |
wR(F2) = 0.098 | (Δ/σ)max < 0.001 |
S = 1.03 | Δρmax = 0.12 e Å−3 |
4441 reflections | Δρmin = −0.13 e Å−3 |
313 parameters | Extinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
0 restraints | Extinction coefficient: 0.0029 (2) |
Primary atom site location: structure-invariant direct methods | Absolute structure: Flack (1983); 1887 Friedel pairs |
Secondary atom site location: difference Fourier map | Absolute structure parameter: −0.1 (3) |
C31H28N2O | V = 2519.5 (3) Å3 |
Mr = 444.55 | Z = 4 |
Orthorhombic, P212121 | Cu Kα radiation |
a = 9.3413 (7) Å | µ = 0.55 mm−1 |
b = 13.7402 (11) Å | T = 291 K |
c = 19.6296 (14) Å | 0.25 × 0.20 × 0.20 mm |
Agilent Xcalibur Eos Gemini diffractometer | 4441 independent reflections |
Absorption correction: multi-scan (CrysAlis PRO; Agilent, 2011) | 4007 reflections with I > 2σ(I) |
Tmin = 0.866, Tmax = 1.000 | Rint = 0.027 |
9302 measured reflections |
R[F2 > 2σ(F2)] = 0.037 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.098 | Δρmax = 0.12 e Å−3 |
S = 1.03 | Δρmin = −0.13 e Å−3 |
4441 reflections | Absolute structure: Flack (1983); 1887 Friedel pairs |
313 parameters | Absolute structure parameter: −0.1 (3) |
0 restraints |
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 | ||
O1 | 0.03250 (17) | 0.28449 (11) | 0.37156 (10) | 0.0793 (5) | |
N1 | 0.38409 (17) | 0.31434 (10) | 0.52389 (7) | 0.0523 (3) | |
N2 | 0.32181 (16) | 0.32519 (10) | 0.41559 (7) | 0.0479 (3) | |
C1 | 0.3733 (2) | 0.45666 (14) | 0.63052 (9) | 0.0622 (5) | |
H1A | 0.3616 | 0.3912 | 0.6413 | 0.075* | |
C2 | 0.3881 (3) | 0.52437 (18) | 0.68230 (11) | 0.0786 (6) | |
H2 | 0.3855 | 0.5040 | 0.7275 | 0.094* | |
C3 | 0.4063 (4) | 0.62017 (19) | 0.66770 (12) | 0.0932 (8) | |
H3 | 0.4181 | 0.6652 | 0.7026 | 0.112* | |
C4 | 0.4069 (4) | 0.64981 (17) | 0.60113 (13) | 0.1027 (10) | |
H4 | 0.4174 | 0.7155 | 0.5909 | 0.123* | |
C5 | 0.3922 (3) | 0.58302 (15) | 0.54886 (11) | 0.0797 (7) | |
H5 | 0.3933 | 0.6043 | 0.5039 | 0.096* | |
C6 | 0.3757 (2) | 0.48512 (13) | 0.56267 (9) | 0.0547 (4) | |
C7 | 0.3616 (2) | 0.41103 (12) | 0.50849 (8) | 0.0497 (4) | |
C8 | 0.32230 (19) | 0.41909 (11) | 0.44146 (8) | 0.0474 (4) | |
C9 | 0.2811 (2) | 0.50422 (12) | 0.39900 (8) | 0.0518 (4) | |
C10 | 0.1384 (3) | 0.52990 (14) | 0.39201 (10) | 0.0646 (5) | |
H10 | 0.0678 | 0.4931 | 0.4133 | 0.077* | |
C11 | 0.1006 (3) | 0.61040 (17) | 0.35333 (12) | 0.0844 (7) | |
H11 | 0.0046 | 0.6273 | 0.3489 | 0.101* | |
C12 | 0.2033 (4) | 0.66518 (16) | 0.32168 (13) | 0.0948 (9) | |
H12 | 0.1776 | 0.7197 | 0.2964 | 0.114* | |
C13 | 0.3428 (4) | 0.63930 (17) | 0.32753 (13) | 0.0941 (9) | |
H13 | 0.4124 | 0.6759 | 0.3054 | 0.113* | |
C14 | 0.3837 (3) | 0.55919 (14) | 0.36594 (11) | 0.0719 (6) | |
H14 | 0.4799 | 0.5425 | 0.3694 | 0.086* | |
C15 | 0.6439 (3) | 0.33594 (17) | 0.33126 (13) | 0.0782 (6) | |
H15 | 0.6546 | 0.2910 | 0.3663 | 0.094* | |
C16 | 0.7497 (3) | 0.4045 (2) | 0.32048 (17) | 0.0972 (8) | |
H16 | 0.8298 | 0.4058 | 0.3486 | 0.117* | |
C17 | 0.7373 (3) | 0.4703 (2) | 0.26865 (16) | 0.0901 (7) | |
H17 | 0.8090 | 0.5160 | 0.2611 | 0.108* | |
C18 | 0.6186 (3) | 0.46844 (18) | 0.22809 (12) | 0.0836 (7) | |
H18 | 0.6088 | 0.5135 | 0.1931 | 0.100* | |
C19 | 0.5128 (3) | 0.39962 (16) | 0.23896 (10) | 0.0694 (5) | |
H19 | 0.4333 | 0.3984 | 0.2105 | 0.083* | |
C20 | 0.5231 (2) | 0.33255 (13) | 0.29131 (9) | 0.0551 (4) | |
C21 | 0.4054 (2) | 0.25978 (13) | 0.30306 (9) | 0.0559 (4) | |
H21A | 0.4449 | 0.2037 | 0.3265 | 0.067* | |
H21B | 0.3697 | 0.2378 | 0.2593 | 0.067* | |
C22 | 0.2799 (2) | 0.29999 (12) | 0.34487 (8) | 0.0482 (4) | |
H22 | 0.2516 | 0.3611 | 0.3230 | 0.058* | |
C23 | 0.1490 (2) | 0.23495 (13) | 0.34372 (9) | 0.0562 (4) | |
H23A | 0.1276 | 0.2161 | 0.2972 | 0.067* | |
H23B | 0.1675 | 0.1763 | 0.3698 | 0.067* | |
C24 | 0.35972 (19) | 0.26487 (12) | 0.46788 (8) | 0.0478 (4) | |
C25 | 0.3693 (2) | 0.15676 (12) | 0.46470 (8) | 0.0505 (4) | |
C26 | 0.2543 (3) | 0.10109 (16) | 0.48526 (13) | 0.0757 (6) | |
H26 | 0.1712 | 0.1313 | 0.5004 | 0.091* | |
C27 | 0.2621 (3) | 0.00056 (17) | 0.48343 (15) | 0.0865 (7) | |
H27 | 0.1833 | −0.0358 | 0.4973 | 0.104* | |
C28 | 0.3829 (3) | −0.04669 (14) | 0.46169 (11) | 0.0725 (6) | |
C29 | 0.4981 (3) | 0.00908 (15) | 0.44320 (11) | 0.0697 (5) | |
H29 | 0.5818 | −0.0214 | 0.4290 | 0.084* | |
C30 | 0.4930 (2) | 0.10967 (13) | 0.44520 (11) | 0.0611 (5) | |
H30 | 0.5735 | 0.1457 | 0.4333 | 0.073* | |
C31 | 0.3906 (5) | −0.15668 (17) | 0.45750 (18) | 0.1156 (12) | |
H31A | 0.3258 | −0.1847 | 0.4900 | 0.173* | |
H31B | 0.4864 | −0.1777 | 0.4674 | 0.173* | |
H31C | 0.3645 | −0.1774 | 0.4125 | 0.173* | |
H1 | −0.008 (3) | 0.2522 (19) | 0.4008 (15) | 0.090 (9)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0651 (9) | 0.0671 (9) | 0.1056 (12) | 0.0056 (7) | 0.0218 (8) | 0.0281 (9) |
N1 | 0.0603 (8) | 0.0461 (7) | 0.0505 (7) | 0.0012 (6) | −0.0088 (6) | 0.0028 (6) |
N2 | 0.0599 (8) | 0.0403 (6) | 0.0434 (7) | 0.0029 (6) | 0.0022 (6) | 0.0007 (5) |
C1 | 0.0732 (12) | 0.0594 (10) | 0.0540 (9) | 0.0054 (10) | −0.0049 (9) | −0.0026 (7) |
C2 | 0.1002 (17) | 0.0851 (15) | 0.0506 (10) | 0.0051 (13) | −0.0054 (11) | −0.0118 (10) |
C3 | 0.135 (2) | 0.0790 (15) | 0.0656 (13) | −0.0143 (16) | 0.0045 (14) | −0.0287 (11) |
C4 | 0.173 (3) | 0.0568 (12) | 0.0780 (15) | −0.0268 (16) | 0.0106 (17) | −0.0160 (11) |
C5 | 0.129 (2) | 0.0531 (10) | 0.0574 (10) | −0.0127 (12) | 0.0033 (12) | −0.0049 (8) |
C6 | 0.0599 (10) | 0.0525 (9) | 0.0517 (9) | 0.0002 (8) | −0.0003 (8) | −0.0063 (7) |
C7 | 0.0563 (9) | 0.0440 (8) | 0.0489 (8) | −0.0007 (7) | 0.0002 (7) | −0.0013 (6) |
C8 | 0.0543 (9) | 0.0406 (7) | 0.0472 (8) | 0.0015 (7) | 0.0059 (7) | −0.0005 (6) |
C9 | 0.0729 (11) | 0.0409 (8) | 0.0417 (8) | 0.0063 (8) | 0.0082 (7) | −0.0005 (6) |
C10 | 0.0804 (13) | 0.0544 (10) | 0.0588 (10) | 0.0156 (10) | 0.0056 (9) | 0.0002 (8) |
C11 | 0.116 (2) | 0.0647 (12) | 0.0726 (13) | 0.0359 (14) | −0.0086 (13) | −0.0029 (11) |
C12 | 0.162 (3) | 0.0499 (11) | 0.0730 (14) | 0.0280 (16) | 0.0052 (16) | 0.0124 (10) |
C13 | 0.147 (3) | 0.0552 (12) | 0.0799 (15) | −0.0041 (15) | 0.0280 (17) | 0.0176 (10) |
C14 | 0.0925 (16) | 0.0530 (10) | 0.0701 (12) | −0.0028 (10) | 0.0186 (12) | 0.0086 (9) |
C15 | 0.0719 (13) | 0.0700 (12) | 0.0927 (15) | 0.0040 (11) | −0.0099 (12) | 0.0185 (11) |
C16 | 0.0627 (14) | 0.0957 (18) | 0.133 (2) | −0.0085 (14) | −0.0198 (15) | 0.0150 (17) |
C17 | 0.0751 (15) | 0.0857 (16) | 0.109 (2) | −0.0166 (13) | 0.0163 (14) | 0.0086 (15) |
C18 | 0.0989 (18) | 0.0788 (14) | 0.0731 (13) | −0.0138 (13) | 0.0097 (13) | 0.0166 (11) |
C19 | 0.0784 (13) | 0.0721 (12) | 0.0577 (10) | −0.0050 (11) | −0.0024 (10) | 0.0057 (9) |
C20 | 0.0588 (10) | 0.0537 (9) | 0.0528 (10) | 0.0077 (8) | 0.0093 (8) | −0.0044 (7) |
C21 | 0.0692 (11) | 0.0478 (9) | 0.0507 (9) | 0.0043 (8) | 0.0052 (8) | −0.0058 (7) |
C22 | 0.0614 (10) | 0.0412 (7) | 0.0422 (8) | 0.0013 (7) | 0.0021 (7) | 0.0012 (6) |
C23 | 0.0647 (11) | 0.0535 (9) | 0.0505 (9) | −0.0047 (8) | −0.0015 (8) | 0.0071 (7) |
C24 | 0.0526 (9) | 0.0429 (8) | 0.0479 (8) | 0.0019 (7) | −0.0032 (7) | 0.0025 (6) |
C25 | 0.0601 (10) | 0.0430 (8) | 0.0484 (8) | −0.0011 (8) | −0.0097 (8) | 0.0038 (6) |
C26 | 0.0677 (13) | 0.0595 (11) | 0.0997 (17) | −0.0002 (10) | 0.0061 (12) | 0.0179 (11) |
C27 | 0.0852 (16) | 0.0605 (12) | 0.1136 (19) | −0.0212 (12) | −0.0098 (14) | 0.0231 (12) |
C28 | 0.1010 (17) | 0.0450 (9) | 0.0716 (12) | −0.0019 (11) | −0.0277 (12) | 0.0060 (8) |
C29 | 0.0806 (14) | 0.0497 (10) | 0.0788 (13) | 0.0136 (10) | −0.0095 (11) | 0.0008 (9) |
C30 | 0.0617 (11) | 0.0486 (9) | 0.0731 (11) | 0.0009 (9) | −0.0096 (9) | 0.0038 (8) |
C31 | 0.167 (3) | 0.0480 (12) | 0.131 (3) | −0.0091 (17) | −0.024 (2) | 0.0048 (13) |
O1—C23 | 1.395 (3) | C15—C16 | 1.382 (4) |
O1—H1 | 0.82 (3) | C15—C20 | 1.375 (3) |
N1—C7 | 1.379 (2) | C16—H16 | 0.9300 |
N1—C24 | 1.312 (2) | C16—C17 | 1.366 (4) |
N2—C8 | 1.387 (2) | C17—H17 | 0.9300 |
N2—C22 | 1.483 (2) | C17—C18 | 1.365 (4) |
N2—C24 | 1.366 (2) | C18—H18 | 0.9300 |
C1—H1A | 0.9300 | C18—C19 | 1.384 (3) |
C1—C2 | 1.385 (3) | C19—H19 | 0.9300 |
C1—C6 | 1.388 (3) | C19—C20 | 1.383 (3) |
C2—H2 | 0.9300 | C20—C21 | 1.503 (3) |
C2—C3 | 1.358 (4) | C21—H21A | 0.9700 |
C3—H3 | 0.9300 | C21—H21B | 0.9700 |
C3—C4 | 1.369 (4) | C21—C22 | 1.534 (2) |
C4—H4 | 0.9300 | C22—H22 | 0.9800 |
C4—C5 | 1.383 (3) | C22—C23 | 1.515 (3) |
C5—H5 | 0.9300 | C23—H23A | 0.9700 |
C5—C6 | 1.381 (3) | C23—H23B | 0.9700 |
C6—C7 | 1.478 (2) | C24—C25 | 1.489 (2) |
C7—C8 | 1.371 (2) | C25—C26 | 1.379 (3) |
C8—C9 | 1.487 (2) | C25—C30 | 1.379 (3) |
C9—C10 | 1.386 (3) | C26—H26 | 0.9300 |
C9—C14 | 1.382 (3) | C26—C27 | 1.384 (3) |
C10—H10 | 0.9300 | C27—H27 | 0.9300 |
C10—C11 | 1.387 (3) | C27—C28 | 1.370 (4) |
C11—H11 | 0.9300 | C28—C29 | 1.370 (4) |
C11—C12 | 1.368 (4) | C28—C31 | 1.515 (3) |
C12—H12 | 0.9300 | C29—H29 | 0.9300 |
C12—C13 | 1.355 (5) | C29—C30 | 1.384 (3) |
C13—H13 | 0.9300 | C30—H30 | 0.9300 |
C13—C14 | 1.388 (3) | C31—H31A | 0.9600 |
C14—H14 | 0.9300 | C31—H31B | 0.9600 |
C15—H15 | 0.9300 | C31—H31C | 0.9600 |
C23—O1—H1 | 111.8 (19) | C18—C17—H17 | 120.3 |
C24—N1—C7 | 106.80 (13) | C17—C18—H18 | 119.9 |
C8—N2—C22 | 124.11 (13) | C17—C18—C19 | 120.2 (2) |
C24—N2—C8 | 106.77 (13) | C19—C18—H18 | 119.9 |
C24—N2—C22 | 129.06 (13) | C18—C19—H19 | 119.3 |
C2—C1—H1A | 119.6 | C20—C19—C18 | 121.3 (2) |
C2—C1—C6 | 120.89 (19) | C20—C19—H19 | 119.3 |
C6—C1—H1A | 119.6 | C15—C20—C19 | 117.2 (2) |
C1—C2—H2 | 119.7 | C15—C20—C21 | 122.33 (18) |
C3—C2—C1 | 120.6 (2) | C19—C20—C21 | 120.43 (18) |
C3—C2—H2 | 119.7 | C20—C21—H21A | 108.8 |
C2—C3—H3 | 120.3 | C20—C21—H21B | 108.8 |
C2—C3—C4 | 119.4 (2) | C20—C21—C22 | 113.64 (14) |
C4—C3—H3 | 120.3 | H21A—C21—H21B | 107.7 |
C3—C4—H4 | 119.7 | C22—C21—H21A | 108.8 |
C3—C4—C5 | 120.7 (2) | C22—C21—H21B | 108.8 |
C5—C4—H4 | 119.7 | N2—C22—C21 | 112.53 (15) |
C4—C5—H5 | 119.6 | N2—C22—H22 | 106.3 |
C6—C5—C4 | 120.8 (2) | N2—C22—C23 | 111.38 (13) |
C6—C5—H5 | 119.6 | C21—C22—H22 | 106.3 |
C1—C6—C7 | 119.66 (16) | C23—C22—C21 | 113.37 (14) |
C5—C6—C1 | 117.68 (17) | C23—C22—H22 | 106.3 |
C5—C6—C7 | 122.65 (17) | O1—C23—C22 | 109.65 (15) |
N1—C7—C6 | 119.49 (14) | O1—C23—H23A | 109.7 |
C8—C7—N1 | 109.22 (14) | O1—C23—H23B | 109.7 |
C8—C7—C6 | 131.23 (15) | C22—C23—H23A | 109.7 |
N2—C8—C9 | 121.73 (14) | C22—C23—H23B | 109.7 |
C7—C8—N2 | 106.10 (14) | H23A—C23—H23B | 108.2 |
C7—C8—C9 | 132.14 (15) | N1—C24—N2 | 111.12 (14) |
C10—C9—C8 | 120.32 (17) | N1—C24—C25 | 122.76 (14) |
C14—C9—C8 | 120.90 (18) | N2—C24—C25 | 126.10 (14) |
C14—C9—C10 | 118.77 (18) | C26—C25—C24 | 119.62 (18) |
C9—C10—H10 | 119.9 | C30—C25—C24 | 122.01 (17) |
C9—C10—C11 | 120.1 (2) | C30—C25—C26 | 118.28 (17) |
C11—C10—H10 | 119.9 | C25—C26—H26 | 119.8 |
C10—C11—H11 | 119.7 | C25—C26—C27 | 120.4 (2) |
C12—C11—C10 | 120.6 (3) | C27—C26—H26 | 119.8 |
C12—C11—H11 | 119.7 | C26—C27—H27 | 119.2 |
C11—C12—H12 | 120.3 | C28—C27—C26 | 121.6 (2) |
C13—C12—C11 | 119.4 (2) | C28—C27—H27 | 119.2 |
C13—C12—H12 | 120.3 | C27—C28—C29 | 117.69 (18) |
C12—C13—H13 | 119.4 | C27—C28—C31 | 121.9 (3) |
C12—C13—C14 | 121.3 (3) | C29—C28—C31 | 120.4 (3) |
C14—C13—H13 | 119.4 | C28—C29—H29 | 119.2 |
C9—C14—C13 | 119.8 (3) | C28—C29—C30 | 121.6 (2) |
C9—C14—H14 | 120.1 | C30—C29—H29 | 119.2 |
C13—C14—H14 | 120.1 | C25—C30—C29 | 120.4 (2) |
C16—C15—H15 | 119.2 | C25—C30—H30 | 119.8 |
C20—C15—H15 | 119.2 | C29—C30—H30 | 119.8 |
C20—C15—C16 | 121.5 (2) | C28—C31—H31A | 109.5 |
C15—C16—H16 | 119.9 | C28—C31—H31B | 109.5 |
C17—C16—C15 | 120.3 (2) | C28—C31—H31C | 109.5 |
C17—C16—H16 | 119.9 | H31A—C31—H31B | 109.5 |
C16—C17—H17 | 120.3 | H31A—C31—H31C | 109.5 |
C18—C17—C16 | 119.4 (2) | H31B—C31—H31C | 109.5 |
N1—C7—C8—N2 | −0.31 (19) | C11—C12—C13—C14 | −1.1 (4) |
N1—C7—C8—C9 | 177.69 (18) | C12—C13—C14—C9 | 0.1 (4) |
N1—C24—C25—C26 | 82.9 (2) | C14—C9—C10—C11 | −1.1 (3) |
N1—C24—C25—C30 | −93.5 (2) | C15—C16—C17—C18 | 0.7 (5) |
N2—C8—C9—C10 | 84.7 (2) | C15—C20—C21—C22 | 97.1 (2) |
N2—C8—C9—C14 | −95.4 (2) | C16—C15—C20—C19 | 1.1 (4) |
N2—C22—C23—O1 | 63.07 (19) | C16—C15—C20—C21 | −178.8 (2) |
N2—C24—C25—C26 | −95.2 (2) | C16—C17—C18—C19 | −0.8 (4) |
N2—C24—C25—C30 | 88.4 (2) | C17—C18—C19—C20 | 1.1 (4) |
C1—C2—C3—C4 | 1.4 (5) | C18—C19—C20—C15 | −1.2 (3) |
C1—C6—C7—N1 | −17.1 (3) | C18—C19—C20—C21 | 178.7 (2) |
C1—C6—C7—C8 | 159.8 (2) | C19—C20—C21—C22 | −82.8 (2) |
C2—C1—C6—C5 | −0.5 (3) | C20—C15—C16—C17 | −0.9 (5) |
C2—C1—C6—C7 | 179.2 (2) | C20—C21—C22—N2 | −64.97 (19) |
C2—C3—C4—C5 | −1.3 (6) | C20—C21—C22—C23 | 167.51 (15) |
C3—C4—C5—C6 | 0.3 (5) | C21—C22—C23—O1 | −168.81 (14) |
C4—C5—C6—C1 | 0.5 (4) | C22—N2—C8—C7 | 177.67 (16) |
C4—C5—C6—C7 | −179.1 (3) | C22—N2—C8—C9 | −0.6 (3) |
C5—C6—C7—N1 | 162.6 (2) | C22—N2—C24—N1 | −177.41 (16) |
C5—C6—C7—C8 | −20.5 (3) | C22—N2—C24—C25 | 0.9 (3) |
C6—C1—C2—C3 | −0.5 (4) | C24—N1—C7—C6 | 177.73 (16) |
C6—C7—C8—N2 | −177.50 (18) | C24—N1—C7—C8 | 0.2 (2) |
C6—C7—C8—C9 | 0.5 (3) | C24—N2—C8—C7 | 0.34 (19) |
C7—N1—C24—N2 | 0.1 (2) | C24—N2—C8—C9 | −177.92 (16) |
C7—N1—C24—C25 | −178.29 (17) | C24—N2—C22—C21 | −69.1 (2) |
C7—C8—C9—C10 | −93.1 (3) | C24—N2—C22—C23 | 59.5 (2) |
C7—C8—C9—C14 | 86.8 (2) | C24—C25—C26—C27 | −179.2 (2) |
C8—N2—C22—C21 | 114.21 (17) | C24—C25—C30—C29 | 179.66 (18) |
C8—N2—C22—C23 | −117.21 (17) | C25—C26—C27—C28 | 0.3 (4) |
C8—N2—C24—N1 | −0.3 (2) | C26—C25—C30—C29 | 3.2 (3) |
C8—N2—C24—C25 | 178.03 (17) | C26—C27—C28—C29 | 1.6 (4) |
C8—C9—C10—C11 | 178.86 (17) | C26—C27—C28—C31 | −178.1 (3) |
C8—C9—C14—C13 | −178.9 (2) | C27—C28—C29—C30 | −1.0 (3) |
C9—C10—C11—C12 | 0.1 (3) | C28—C29—C30—C25 | −1.4 (3) |
C10—C9—C14—C13 | 1.0 (3) | C30—C25—C26—C27 | −2.7 (3) |
C10—C11—C12—C13 | 1.0 (4) | C31—C28—C29—C30 | 178.7 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···N1i | 0.82 (3) | 2.01 (3) | 2.825 (2) | 174 (3) |
C16—H16···O1ii | 0.93 | 2.56 | 3.272 (3) | 133 |
Symmetry codes: (i) x−1/2, −y+1/2, −z+1; (ii) x+1, y, z. |
Experimental details
Crystal data | |
Chemical formula | C31H28N2O |
Mr | 444.55 |
Crystal system, space group | Orthorhombic, P212121 |
Temperature (K) | 291 |
a, b, c (Å) | 9.3413 (7), 13.7402 (11), 19.6296 (14) |
V (Å3) | 2519.5 (3) |
Z | 4 |
Radiation type | Cu Kα |
µ (mm−1) | 0.55 |
Crystal size (mm) | 0.25 × 0.20 × 0.20 |
Data collection | |
Diffractometer | Agilent Xcalibur Eos Gemini diffractometer |
Absorption correction | Multi-scan (CrysAlis PRO; Agilent, 2011) |
Tmin, Tmax | 0.866, 1.000 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 9302, 4441, 4007 |
Rint | 0.027 |
(sin θ/λ)max (Å−1) | 0.597 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.037, 0.098, 1.03 |
No. of reflections | 4441 |
No. of parameters | 313 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.12, −0.13 |
Absolute structure | Flack (1983); 1887 Friedel pairs |
Absolute structure parameter | −0.1 (3) |
Computer programs: CrysAlis PRO (Agilent, 2011), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), OLEX2 (Dolomanov et al., 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···N1i | 0.82 (3) | 2.01 (3) | 2.825 (2) | 174 (3) |
C16—H16···O1ii | 0.93 | 2.56 | 3.272 (3) | 133 |
Symmetry codes: (i) x−1/2, −y+1/2, −z+1; (ii) x+1, y, z. |
Acknowledgements
The authors thank Ms Y. Zhu for technical assistance. This research was supported by the National Natural Science Foundation of P. R. China (Nos. 20902017 and 21172055).
References
Agilent (2011). CrysAlis PRO. Agilent Technologies Ltd, Yarnton, England. Google Scholar
Chen, X., Li, X., Hu, A. & Wang, F. (2008). Tetrahedron Asymmetry, 19, 1–14. Web of Science CrossRef Google Scholar
Dolomanov, O. V., Bourhis, L. J., Gildea, R. J., Howard, J. A. K. & Puschmann, H. (2009). J. Appl. Cryst. 42, 339–341. Web of Science CrossRef CAS IUCr Journals Google Scholar
Flack, H. D. (1983). Acta Cryst. A39, 876–881. CrossRef CAS Web of Science IUCr Journals Google Scholar
Mao, P., Cai, Y., Xiao, Y., Yang, L., Xue, Y. & Song, M. (2010). Phosphorus Sulfur Silicon Relat. Elem. 185, 2418–2425. Web of Science 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.
Ionic liquids (ILs) have received considerable interest in the fields of synthesis, analysis and catalysis due to their unique properties (Olivier-Bourbigou et al., 2010). Chiral ionic liquids (CILs) derived from naturally abundant precursors have also attracted much interest (Chen et al., 2008). Our group is interested in the preparation and application of imidazole derived CILs (Mao et al., 2010), and we observed that the condensation reaction between L-phenylalaninol (easily available from L-phenylalanine), dibenzoyl, 4-methylbenzaldehyde and ammonium acetate afforded the title compound, a multi-aryl substituted imidazole derivative containing an appended chiral functionality. The chiral C22 carbon atom maintains the S configuration observed in L-phenylalaninol.
The molecular structure of the title compound is shown in Figure 1. As expected, the imidazole core (N1/C7/C8/N2/C24) is essentially planar. The dihedral angles formed by the imidazole ring with the three aryl substituents are 18.52 (8) (C1–C6), 85.56 (7) (C9–C14) and 85.57 (7)° (C25–C30), respectively. In the crystal structure, molecules are linked by O—H···N and C—H···O hydrogen bonds (Table 1) into chains parallel to the a axis.