organic compounds
2-{[3-Methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methylsulfanyl}-1H-benzimidazole propan-2-ol monosolvate: a second monoclinic polymorph
aSchool of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, People's Republic of China, bPharmaceutical Crystal Engineering Research Group, Shanghai Institute of Pharmaceutical Industry, 1320 Beijing Road (West), Shanghai 200040, People's Republic of China, and cNational Engineering Laboratory for Cereal Fermentation Technology, School of Chemical & Material Engineering, Jiangnan University, Wuxi 214122, People's Republic of China
*Correspondence e-mail: renguobin2557@yahoo.com.cn
In the 16H14F3N3OS·C3H8O, the molecules are linked into chains along [010] via N—H⋯O and O—H⋯N hydrogen bonds. The triclinic form was reported by Ren et al. [(2011). Acta Cryst. E67, o270] and the first monoclinic form by Chen et al. [(2012). Acta Cryst. E68, o2015–o2016]. The fused five-and six-membered rings make a dihedral angle of 1.22 (2)°, while the benzene and pyridine rings make a dihedral angle of 10.15 (2)°.
of the title compound, CRelated literature
For the use of the title compound as an intermediate in the synthesis of the anti-ulcer drug lansoprazole {systematic name: (RS)-2-([3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methylsulfinyl)-1H-benzo[d]imidazole}, see: Del Rio et al. (2007); Reddy et al. (2008); Iwahi et al. (1991). For related structures, see: Swamy & Ravikumar (2007); Hakim et al. (2010). For the triclinic polymorph of the title propan-2-ol solvo-polymorph, see: Ren et al. (2011) and for the monoclinic monohydrate, see: Chen et al. (2012).
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: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supporting information
https://doi.org/10.1107/S1600536812022143/bg2460sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536812022143/bg2460Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S1600536812022143/bg2460Isup3.cml
The raw material was kindly provided by Shanghai Enran Sci-Tech Investment Management Co., Ltd. The compound was dissolved in 2-propanol and suitable crystals of X-ray were obtained by slow evaporation at room temperature over a period of one week.
All C-H atoms were constrained to an ideal geometry with C—H distances of 0.98 Å and Uiso(H) = 1.2Ueq(C) for CH; 0.97 Å and Uiso(H) = 1.2Ueq (C) for CH2; 0.96 Å and Uiso(H) = 1.5Ueq(C) for CH3; 0.82 Å and Uiso(H) = 1.5Ueq(C)for OH atoms; and 0.86 Å and Uiso(H) = 1.5Ueq(C) for NH atoms.
Lansoprazole (Del Rio et al., 2007; Reddy et al., 2008) and many of its analogues are characterized by an anti-ulcer effect (Iwahi et al.,1991) The title compound, (I), is the critical
of lansoprazole Recently, the compound was successfully crystallized from 2-propanol, and the is now firstly reported.The crystral structure (Fig 1) contains one independent molecule and one 2-propanol solvato which are involved in the formation of hydrogen-bonded chains running along [010] via N—H···O and O—H···N hydrogen bonds (Table 1 and Fig. 2). The 2-propanol molecules acts as a hydrogen-bond bridge, providing further stability to the crystal lattice.
For the use of the title compound as an intermediate in the synthesis of the anti-ulcer drug lansoprazole {systematic name: (RS)-2-([3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methylsulfinyl)-1H-benzo[d]imidazole}, see: Del Rio et al. (2007); Reddy et al. (2008); Iwahi et al. (1991). For related structures, see: Swamy & Ravikumar (2007); Hakim et al. (2010); Ren et al. (2011). For 2-{[3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methylsulfanyl}-1H-benzimidazole monohydrate, see: Chen et al. (2012).
Data collection: APEX2 (Bruker, 2009); cell
SAINT (Bruker, 2009); data reduction: SAINT (Bruker, 2009); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).C16H14F3N3OS·C3H8O | F(000) = 864 |
Mr = 413.46 | Dx = 1.394 Mg m−3 |
Monoclinic, P21/c | Cu Kα radiation, λ = 1.54178 Å |
Hall symbol: -P 2ybc | Cell parameters from 3266 reflections |
a = 17.4583 (2) Å | θ = 6.1–67.0° |
b = 7.4162 (1) Å | µ = 1.89 mm−1 |
c = 16.9622 (2) Å | T = 296 K |
β = 116.255 (2)° | Column, colorless |
V = 1969.60 (5) Å3 | 0.31 × 0.23 × 0.15 mm |
Z = 4 |
Bruker APEXII diffractometer | 3410 independent reflections |
Radiation source: fine-focus sealed tube | 3266 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.017 |
Detector resolution: 0 pixels mm-1 | θmax = 67.0°, θmin = 6.1° |
phi and ω scans | h = −19→20 |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | k = −8→8 |
Tmin = 0.592, Tmax = 0.765 | l = −20→19 |
13351 measured reflections |
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)] = 0.040 | H-atom parameters constrained |
wR(F2) = 0.116 | w = 1/[σ2(Fo2) + (0.0697P)2 + 0.5861P] where P = (Fo2 + 2Fc2)/3 |
S = 1.06 | (Δ/σ)max = 0.002 |
3410 reflections | Δρmax = 0.38 e Å−3 |
254 parameters | Δρmin = −0.28 e Å−3 |
0 restraints | Extinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.0024 (3) |
C16H14F3N3OS·C3H8O | V = 1969.60 (5) Å3 |
Mr = 413.46 | Z = 4 |
Monoclinic, P21/c | Cu Kα radiation |
a = 17.4583 (2) Å | µ = 1.89 mm−1 |
b = 7.4162 (1) Å | T = 296 K |
c = 16.9622 (2) Å | 0.31 × 0.23 × 0.15 mm |
β = 116.255 (2)° |
Bruker APEXII diffractometer | 3410 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | 3266 reflections with I > 2σ(I) |
Tmin = 0.592, Tmax = 0.765 | Rint = 0.017 |
13351 measured reflections |
R[F2 > 2σ(F2)] = 0.040 | 0 restraints |
wR(F2) = 0.116 | H-atom parameters constrained |
S = 1.06 | Δρmax = 0.38 e Å−3 |
3410 reflections | Δρmin = −0.28 e Å−3 |
254 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 | ||
S1 | 0.22271 (3) | 0.11157 (5) | 1.05242 (3) | 0.04524 (17) | |
O1 | 0.09818 (8) | 0.61043 (16) | 0.71885 (7) | 0.0497 (3) | |
O2 | 0.32047 (8) | 0.67645 (16) | 0.17242 (10) | 0.0573 (4) | |
H2B | 0.3016 | 0.5801 | 0.1800 | 0.086* | |
N1 | 0.28104 (9) | 0.32274 (18) | 1.20227 (9) | 0.0417 (3) | |
N2 | 0.29844 (8) | 0.02492 (18) | 1.22301 (8) | 0.0419 (3) | |
H2A | 0.2958 | −0.0880 | 1.2105 | 0.050* | |
N3 | 0.14436 (10) | 0.1600 (2) | 0.87641 (9) | 0.0476 (4) | |
F1 | 0.13495 (9) | 0.8359 (2) | 0.61276 (11) | 0.0938 (5) | |
F2 | 0.01560 (8) | 0.89596 (15) | 0.61011 (8) | 0.0681 (3) | |
F3 | 0.02040 (11) | 0.76215 (19) | 0.50116 (8) | 0.0893 (5) | |
C1 | 0.26983 (10) | 0.1637 (2) | 1.16472 (10) | 0.0375 (3) | |
C1' | 0.47122 (13) | 0.6930 (4) | 0.26857 (17) | 0.0747 (6) | |
H1'A | 0.4639 | 0.6167 | 0.3104 | 0.112* | |
H1'B | 0.4658 | 0.8169 | 0.2816 | 0.112* | |
H1'C | 0.5269 | 0.6734 | 0.2717 | 0.112* | |
C2 | 0.32070 (10) | 0.2857 (2) | 1.29233 (11) | 0.0415 (4) | |
C2' | 0.40380 (12) | 0.6487 (3) | 0.17709 (15) | 0.0594 (5) | |
H2'A | 0.4095 | 0.5217 | 0.1646 | 0.071* | |
C3 | 0.34706 (13) | 0.4014 (3) | 1.36387 (13) | 0.0556 (5) | |
H3B | 0.3384 | 0.5251 | 1.3561 | 0.067* | |
C3' | 0.41146 (15) | 0.7633 (4) | 0.10808 (17) | 0.0729 (6) | |
H3'A | 0.3673 | 0.7311 | 0.0513 | 0.109* | |
H3'B | 0.4663 | 0.7440 | 0.1092 | 0.109* | |
H3'C | 0.4057 | 0.8880 | 0.1196 | 0.109* | |
C4 | 0.38645 (14) | 0.3274 (3) | 1.44666 (13) | 0.0631 (5) | |
H4A | 0.4048 | 0.4029 | 1.4954 | 0.076* | |
C5 | 0.39947 (13) | 0.1429 (3) | 1.45925 (13) | 0.0595 (5) | |
H5A | 0.4272 | 0.0979 | 1.5162 | 0.071* | |
C6 | 0.37235 (11) | 0.0253 (3) | 1.38953 (11) | 0.0519 (4) | |
H6A | 0.3803 | −0.0985 | 1.3980 | 0.062* | |
C7 | 0.33245 (10) | 0.0997 (2) | 1.30578 (11) | 0.0408 (4) | |
C8 | 0.20875 (11) | 0.3377 (2) | 1.00826 (11) | 0.0443 (4) | |
H8A | 0.1736 | 0.4076 | 1.0281 | 0.053* | |
H8B | 0.2638 | 0.3969 | 1.0285 | 0.053* | |
C9 | 0.16630 (10) | 0.3261 (2) | 0.90919 (10) | 0.0385 (3) | |
C10 | 0.15158 (10) | 0.4812 (2) | 0.85880 (10) | 0.0393 (4) | |
C11 | 0.11201 (10) | 0.4568 (2) | 0.76766 (10) | 0.0405 (4) | |
C12 | 0.08915 (12) | 0.2862 (2) | 0.73202 (11) | 0.0493 (4) | |
H12A | 0.0628 | 0.2686 | 0.6715 | 0.059* | |
C13 | 0.10670 (13) | 0.1429 (2) | 0.78931 (12) | 0.0536 (5) | |
H13A | 0.0913 | 0.0278 | 0.7657 | 0.064* | |
C14 | 0.05724 (12) | 0.5917 (2) | 0.62635 (11) | 0.0454 (4) | |
H14A | −0.0010 | 0.5500 | 0.6070 | 0.054* | |
H14B | 0.0875 | 0.5051 | 0.6076 | 0.054* | |
C15 | 0.05779 (11) | 0.7721 (3) | 0.58855 (11) | 0.0495 (4) | |
C16 | 0.17477 (13) | 0.6669 (3) | 0.89758 (12) | 0.0548 (5) | |
H16A | 0.1592 | 0.7539 | 0.8511 | 0.082* | |
H16B | 0.2352 | 0.6730 | 0.9344 | 0.082* | |
H16C | 0.1448 | 0.6924 | 0.9320 | 0.082* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0616 (3) | 0.0325 (3) | 0.0362 (2) | −0.00018 (16) | 0.0168 (2) | 0.00201 (14) |
O1 | 0.0649 (8) | 0.0411 (7) | 0.0345 (6) | −0.0002 (5) | 0.0143 (5) | 0.0050 (5) |
O2 | 0.0481 (7) | 0.0306 (6) | 0.0920 (10) | −0.0005 (5) | 0.0299 (7) | 0.0013 (6) |
N1 | 0.0517 (8) | 0.0324 (7) | 0.0404 (7) | 0.0030 (6) | 0.0199 (6) | 0.0036 (5) |
N2 | 0.0523 (8) | 0.0304 (7) | 0.0395 (7) | 0.0015 (6) | 0.0172 (6) | 0.0040 (5) |
N3 | 0.0613 (9) | 0.0367 (7) | 0.0395 (8) | −0.0012 (6) | 0.0174 (7) | 0.0000 (6) |
F1 | 0.0650 (8) | 0.1046 (11) | 0.1088 (12) | −0.0198 (7) | 0.0357 (8) | 0.0334 (9) |
F2 | 0.0844 (8) | 0.0471 (7) | 0.0706 (8) | 0.0098 (5) | 0.0322 (7) | 0.0056 (5) |
F3 | 0.1476 (14) | 0.0680 (8) | 0.0367 (6) | −0.0046 (8) | 0.0267 (7) | 0.0095 (6) |
C1 | 0.0419 (8) | 0.0318 (8) | 0.0383 (8) | 0.0007 (6) | 0.0172 (7) | 0.0037 (6) |
C1' | 0.0519 (11) | 0.0715 (15) | 0.0859 (16) | 0.0019 (10) | 0.0171 (11) | 0.0122 (12) |
C2 | 0.0444 (8) | 0.0411 (9) | 0.0408 (9) | 0.0024 (7) | 0.0203 (7) | 0.0022 (7) |
C2' | 0.0493 (10) | 0.0350 (9) | 0.0896 (15) | 0.0018 (8) | 0.0268 (10) | −0.0054 (9) |
C3 | 0.0682 (12) | 0.0485 (11) | 0.0517 (11) | −0.0001 (9) | 0.0280 (9) | −0.0078 (8) |
C3' | 0.0667 (13) | 0.0789 (16) | 0.0785 (15) | −0.0071 (11) | 0.0369 (12) | −0.0080 (12) |
C4 | 0.0703 (12) | 0.0766 (14) | 0.0434 (10) | −0.0044 (11) | 0.0260 (9) | −0.0130 (9) |
C5 | 0.0584 (11) | 0.0791 (14) | 0.0382 (9) | 0.0024 (10) | 0.0188 (8) | 0.0082 (9) |
C6 | 0.0554 (10) | 0.0533 (11) | 0.0442 (10) | 0.0035 (8) | 0.0195 (8) | 0.0122 (8) |
C7 | 0.0419 (8) | 0.0412 (9) | 0.0401 (8) | 0.0006 (6) | 0.0190 (7) | 0.0044 (6) |
C8 | 0.0566 (10) | 0.0334 (8) | 0.0365 (9) | 0.0009 (7) | 0.0147 (7) | 0.0028 (7) |
C9 | 0.0404 (8) | 0.0363 (8) | 0.0365 (8) | 0.0010 (6) | 0.0149 (6) | 0.0004 (6) |
C10 | 0.0406 (8) | 0.0374 (8) | 0.0367 (8) | 0.0014 (6) | 0.0143 (6) | 0.0014 (6) |
C11 | 0.0425 (8) | 0.0388 (8) | 0.0375 (8) | 0.0016 (7) | 0.0152 (6) | 0.0044 (7) |
C12 | 0.0595 (10) | 0.0467 (10) | 0.0337 (8) | −0.0012 (8) | 0.0134 (7) | −0.0017 (7) |
C13 | 0.0726 (12) | 0.0376 (9) | 0.0421 (9) | −0.0051 (8) | 0.0176 (9) | −0.0053 (7) |
C14 | 0.0536 (9) | 0.0453 (10) | 0.0341 (8) | 0.0029 (7) | 0.0165 (7) | 0.0017 (7) |
C15 | 0.0548 (10) | 0.0539 (11) | 0.0365 (8) | −0.0026 (8) | 0.0170 (7) | 0.0045 (7) |
C16 | 0.0733 (12) | 0.0383 (9) | 0.0422 (9) | −0.0022 (8) | 0.0159 (9) | 0.0010 (7) |
S1—C1 | 1.7517 (16) | C3'—H3'A | 0.9600 |
S1—C8 | 1.8088 (17) | C3'—H3'B | 0.9600 |
O1—C11 | 1.366 (2) | C3'—H3'C | 0.9600 |
O1—C14 | 1.414 (2) | C4—C5 | 1.388 (3) |
O2—C2' | 1.436 (2) | C4—H4A | 0.9300 |
O2—H2B | 0.8200 | C5—C6 | 1.374 (3) |
N1—C1 | 1.313 (2) | C5—H5A | 0.9300 |
N1—C2 | 1.397 (2) | C6—C7 | 1.390 (2) |
N2—C1 | 1.360 (2) | C6—H6A | 0.9300 |
N2—C7 | 1.376 (2) | C8—C9 | 1.510 (2) |
N2—H2A | 0.8600 | C8—H8A | 0.9700 |
N3—C13 | 1.331 (2) | C8—H8B | 0.9700 |
N3—C9 | 1.337 (2) | C9—C10 | 1.387 (2) |
F1—C15 | 1.311 (2) | C10—C11 | 1.398 (2) |
F2—C15 | 1.326 (2) | C10—C16 | 1.502 (2) |
F3—C15 | 1.331 (2) | C11—C12 | 1.383 (3) |
C1'—C2' | 1.512 (3) | C12—C13 | 1.380 (3) |
C1'—H1'A | 0.9600 | C12—H12A | 0.9300 |
C1'—H1'B | 0.9600 | C13—H13A | 0.9300 |
C1'—H1'C | 0.9600 | C14—C15 | 1.486 (3) |
C2—C3 | 1.388 (3) | C14—H14A | 0.9700 |
C2—C7 | 1.398 (2) | C14—H14B | 0.9700 |
C2'—C3' | 1.499 (3) | C16—H16A | 0.9600 |
C2'—H2'A | 0.9800 | C16—H16B | 0.9600 |
C3—C4 | 1.375 (3) | C16—H16C | 0.9600 |
C3—H3B | 0.9300 | ||
C1—S1—C8 | 99.09 (8) | C7—C6—H6A | 121.5 |
C11—O1—C14 | 117.24 (13) | N2—C7—C6 | 132.68 (16) |
C2'—O2—H2B | 109.5 | N2—C7—C2 | 105.36 (14) |
C1—N1—C2 | 104.42 (13) | C6—C7—C2 | 121.96 (17) |
C1—N2—C7 | 106.91 (13) | C9—C8—S1 | 108.55 (11) |
C1—N2—H2A | 126.5 | C9—C8—H8A | 110.0 |
C7—N2—H2A | 126.5 | S1—C8—H8A | 110.0 |
C13—N3—C9 | 117.35 (15) | C9—C8—H8B | 110.0 |
N1—C1—N2 | 113.52 (14) | S1—C8—H8B | 110.0 |
N1—C1—S1 | 128.56 (12) | H8A—C8—H8B | 108.4 |
N2—C1—S1 | 117.92 (12) | N3—C9—C10 | 124.55 (15) |
C2'—C1'—H1'A | 109.5 | N3—C9—C8 | 115.14 (14) |
C2'—C1'—H1'B | 109.5 | C10—C9—C8 | 120.30 (14) |
H1'A—C1'—H1'B | 109.5 | C9—C10—C11 | 116.09 (15) |
C2'—C1'—H1'C | 109.5 | C9—C10—C16 | 123.33 (14) |
H1'A—C1'—H1'C | 109.5 | C11—C10—C16 | 120.58 (14) |
H1'B—C1'—H1'C | 109.5 | O1—C11—C12 | 123.98 (14) |
C3—C2—N1 | 130.27 (16) | O1—C11—C10 | 115.48 (14) |
C3—C2—C7 | 119.94 (16) | C12—C11—C10 | 120.53 (15) |
N1—C2—C7 | 109.79 (15) | C13—C12—C11 | 117.74 (16) |
O2—C2'—C3' | 108.28 (17) | C13—C12—H12A | 121.1 |
O2—C2'—C1' | 109.59 (18) | C11—C12—H12A | 121.1 |
C3'—C2'—C1' | 112.37 (18) | N3—C13—C12 | 123.72 (17) |
O2—C2'—H2'A | 108.8 | N3—C13—H13A | 118.1 |
C3'—C2'—H2'A | 108.8 | C12—C13—H13A | 118.1 |
C1'—C2'—H2'A | 108.8 | O1—C14—C15 | 107.09 (14) |
C4—C3—C2 | 117.96 (19) | O1—C14—H14A | 110.3 |
C4—C3—H3B | 121.0 | C15—C14—H14A | 110.3 |
C2—C3—H3B | 121.0 | O1—C14—H14B | 110.3 |
C2'—C3'—H3'A | 109.5 | C15—C14—H14B | 110.3 |
C2'—C3'—H3'B | 109.5 | H14A—C14—H14B | 108.6 |
H3'A—C3'—H3'B | 109.5 | F1—C15—F2 | 106.44 (17) |
C2'—C3'—H3'C | 109.5 | F1—C15—F3 | 107.37 (16) |
H3'A—C3'—H3'C | 109.5 | F2—C15—F3 | 106.68 (16) |
H3'B—C3'—H3'C | 109.5 | F1—C15—C14 | 113.07 (16) |
C3—C4—C5 | 121.61 (19) | F2—C15—C14 | 113.23 (14) |
C3—C4—H4A | 119.2 | F3—C15—C14 | 109.68 (15) |
C5—C4—H4A | 119.2 | C10—C16—H16A | 109.5 |
C6—C5—C4 | 121.53 (18) | C10—C16—H16B | 109.5 |
C6—C5—H5A | 119.2 | H16A—C16—H16B | 109.5 |
C4—C5—H5A | 119.2 | C10—C16—H16C | 109.5 |
C5—C6—C7 | 116.97 (19) | H16A—C16—H16C | 109.5 |
C5—C6—H6A | 121.5 | H16B—C16—H16C | 109.5 |
C2—N1—C1—N2 | 0.47 (18) | C13—N3—C9—C10 | 0.8 (3) |
C2—N1—C1—S1 | 179.51 (12) | C13—N3—C9—C8 | 179.99 (15) |
C7—N2—C1—N1 | −0.99 (18) | S1—C8—C9—N3 | 3.65 (19) |
C7—N2—C1—S1 | 179.85 (11) | S1—C8—C9—C10 | −177.14 (12) |
C8—S1—C1—N1 | 6.99 (17) | N3—C9—C10—C11 | −0.9 (2) |
C8—S1—C1—N2 | −174.00 (12) | C8—C9—C10—C11 | 179.94 (14) |
C1—N1—C2—C3 | −179.33 (18) | N3—C9—C10—C16 | 178.21 (17) |
C1—N1—C2—C7 | 0.23 (18) | C8—C9—C10—C16 | −0.9 (2) |
N1—C2—C3—C4 | −178.76 (18) | C14—O1—C11—C12 | 0.6 (2) |
C7—C2—C3—C4 | 1.7 (3) | C14—O1—C11—C10 | −179.17 (14) |
C2—C3—C4—C5 | −0.3 (3) | C9—C10—C11—O1 | −179.78 (13) |
C3—C4—C5—C6 | −1.1 (3) | C16—C10—C11—O1 | 1.1 (2) |
C4—C5—C6—C7 | 1.0 (3) | C9—C10—C11—C12 | 0.5 (2) |
C1—N2—C7—C6 | −178.20 (18) | C16—C10—C11—C12 | −178.69 (17) |
C1—N2—C7—C2 | 1.05 (17) | O1—C11—C12—C13 | −179.70 (17) |
C5—C6—C7—N2 | 179.62 (17) | C10—C11—C12—C13 | 0.0 (3) |
C5—C6—C7—C2 | 0.5 (3) | C9—N3—C13—C12 | −0.2 (3) |
C3—C2—C7—N2 | 178.81 (15) | C11—C12—C13—N3 | −0.2 (3) |
N1—C2—C7—N2 | −0.81 (18) | C11—O1—C14—C15 | −174.15 (14) |
C3—C2—C7—C6 | −1.8 (3) | O1—C14—C15—F1 | 59.7 (2) |
N1—C2—C7—C6 | 178.54 (15) | O1—C14—C15—F2 | −61.42 (19) |
C1—S1—C8—C9 | −178.94 (12) | O1—C14—C15—F3 | 179.55 (15) |
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2B···N1i | 0.82 | 2.01 | 2.8142 (18) | 167 |
N2—H2A···O2ii | 0.86 | 1.98 | 2.8027 (18) | 161 |
Symmetry codes: (i) x, y, z−1; (ii) x, y−1, z+1. |
Experimental details
Crystal data | |
Chemical formula | C16H14F3N3OS·C3H8O |
Mr | 413.46 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 296 |
a, b, c (Å) | 17.4583 (2), 7.4162 (1), 16.9622 (2) |
β (°) | 116.255 (2) |
V (Å3) | 1969.60 (5) |
Z | 4 |
Radiation type | Cu Kα |
µ (mm−1) | 1.89 |
Crystal size (mm) | 0.31 × 0.23 × 0.15 |
Data collection | |
Diffractometer | Bruker APEXII |
Absorption correction | Multi-scan (SADABS; Bruker, 2009) |
Tmin, Tmax | 0.592, 0.765 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 13351, 3410, 3266 |
Rint | 0.017 |
(sin θ/λ)max (Å−1) | 0.597 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.040, 0.116, 1.06 |
No. of reflections | 3410 |
No. of parameters | 254 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.38, −0.28 |
Computer programs: APEX2 (Bruker, 2009), SAINT (Bruker, 2009), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2B···N1i | 0.82 | 2.01 | 2.8142 (18) | 167.1 |
N2—H2A···O2ii | 0.86 | 1.98 | 2.8027 (18) | 161.1 |
Symmetry codes: (i) x, y, z−1; (ii) x, y−1, z+1. |
Acknowledgements
This work was supported by the New Drug Innovation (2009ZX09301–007) project of the Ministry of Science and Technology of China and the National Natural Science Foundation of China (Nos. 81102391 and 21176102).
References
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Lansoprazole (Del Rio et al., 2007; Reddy et al., 2008) and many of its analogues are characterized by an anti-ulcer effect (Iwahi et al.,1991) The title compound, (I), is the critical reaction intermediate of lansoprazole Recently, the compound was successfully crystallized from 2-propanol, and the crystal structure is now firstly reported.
The crystral structure (Fig 1) contains one independent molecule and one 2-propanol solvato which are involved in the formation of hydrogen-bonded chains running along [010] via N—H···O and O—H···N hydrogen bonds (Table 1 and Fig. 2). The 2-propanol molecules acts as a hydrogen-bond bridge, providing further stability to the crystal lattice.