organic compounds
of 2-[4-(methylsulfanyl)quinazolin-2-yl]-1-phenylethanol
aCornea Research Chair, Department of Optometry, College of Applied Medical Sciences, King Saud University, PO Box 10219, Riyadh 11433, Saudi Arabia, bSchool of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, Wales, and cCriminal Evidence, Ministry of Interior, Riyadh 11632, PO Box 86985, Saudi Arabia
*Correspondence e-mail: gelhiti@ksu.edu.sa, kariukib@cardiff.ac.uk
In the molecule of the title compound, C17H16N2OS, the almost planar methylsulfanylquinazoline group [the methyl C atom deviates by 0.032 (2) Å from the plane through the ring system] forms an interplanar angle of 76.26 (4)° with the plane of the phenyl group. An intramolecular O—H⋯N hydrogen bond is present between the quinazoline and hydroxy groups. In the crystal, molecules are stacked along the b-axis direction.
CCDC reference: 1022918
1. Related literature
For the synthesis of 4-(methylsulfanyl)quinazoline derivatives, see: Smith et al. (2005a,b); Leonard & Curtin (1946); Meerwein et al. (1956). For the crystal structures of related compounds, see: Alshammari et al. (2014a,b).
2. Experimental
2.1. Crystal data
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2.3. Refinement
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Data collection: CrysAlis PRO (Agilent, 2014); cell CrysAlis PRO; data reduction: CrysAlis PRO; program(s) used to solve structure: SHELXS2013 (Sheldrick, 2008); program(s) used to refine structure: SHELXL2013 (Sheldrick, 2008); molecular graphics: Mercury (Macrae et al., 2006), ORTEP-3 for Windows (Farrugia, 2012) and CHEMDRAW Ultra (Cambridge Soft, 2001); software used to prepare material for publication: publCIF (Westrip, 2010).
Supporting information
CCDC reference: 1022918
10.1107/S1600536814019990/gg2141sup1.cif
contains datablocks I, New_Global_Publ_Block. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536814019990/gg2141Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536814019990/gg2141Isup3.cml
Synthesis and crystallization: 2-(2-hydroxy-2-phenylethyl)-4-(methylsulfanyl)quinazoline was obtained in 83% yield from lithiation of 2-methyl-4-(methylsulfanyl)quinazoline with n-butyllithium at 78°C in anhydrous THF under nitrogen followed by reaction with benzaldehyde (Smith et al., 2005b). Crystallization from a mixture of ethyl acetate and diethyl ether (1:3 by volume) gave the title compound as colorless crystals. The NMR and low and high resolution mass spectra for the title compound were consistent with those reported (Smith et al., 2005b).
H atoms were positioned geometrically and refined using a riding model with Uiso(H) constrained to be 1.2 times Ueq(C) except for the methyl group where it was 1.5 times with
about the C—C bond. For the OH group, Uiso(H) 1.5 times Ueq(O) was used with about the C—O bond.Data collection: CrysAlis PRO (Agilent, 2014); cell
CrysAlis PRO (Agilent, 2014); data reduction: CrysAlis PRO (Agilent, 2014); program(s) used to solve structure: SHELXL2013 (Sheldrick, 2008); program(s) used to refine structure: SHELXL2013 (Sheldrick, 2008); molecular graphics: Mercury (Macrae et al. 2006), ORTEP-3 for Windows (Farrugia, 2012) and CHEMDRAW Ultra (Cambridge Soft, 2001); software used to prepare material for publication: publCIF, (Westrip, 2010).Fig. 1. A molecule of C17H16N2OS with atom labels and 50% probability displacement ellipsoids for nonhydrogen atoms. | |
Fig. 2. Crystal structure packing viewed down the b axis. |
C17H16N2OS | F(000) = 624 |
Mr = 296.38 | Dx = 1.328 Mg m−3 |
Monoclinic, P21/n | Cu Kα radiation, λ = 1.54184 Å |
a = 15.6142 (3) Å | Cell parameters from 5816 reflections |
b = 5.6142 (1) Å | θ = 3.5–73.7° |
c = 17.2355 (3) Å | µ = 1.93 mm−1 |
β = 101.138 (2)° | T = 293 K |
V = 1482.43 (5) Å3 | Block, colourless |
Z = 4 | 0.32 × 0.19 × 0.14 mm |
Agilent SuperNova (Dual, Cu at 0, Atlas) diffractometer | 2688 reflections with I > 2σ(I) |
ω scans | Rint = 0.014 |
Absorption correction: multi-scan (CrysAlis PRO; Agilent, 2014) | θmax = 74.0°, θmin = 3.5° |
Tmin = 0.867, Tmax = 1.000 | h = −19→19 |
9606 measured reflections | k = −6→6 |
2938 independent reflections | l = −11→21 |
Refinement on F2 | 0 restraints |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.032 | H-atom parameters constrained |
wR(F2) = 0.094 | w = 1/[σ2(Fo2) + (0.0507P)2 + 0.2343P] where P = (Fo2 + 2Fc2)/3 |
S = 1.06 | (Δ/σ)max = 0.001 |
2938 reflections | Δρmax = 0.16 e Å−3 |
192 parameters | Δρmin = −0.28 e Å−3 |
C17H16N2OS | V = 1482.43 (5) Å3 |
Mr = 296.38 | Z = 4 |
Monoclinic, P21/n | Cu Kα radiation |
a = 15.6142 (3) Å | µ = 1.93 mm−1 |
b = 5.6142 (1) Å | T = 293 K |
c = 17.2355 (3) Å | 0.32 × 0.19 × 0.14 mm |
β = 101.138 (2)° |
Agilent SuperNova (Dual, Cu at 0, Atlas) diffractometer | 2938 independent reflections |
Absorption correction: multi-scan (CrysAlis PRO; Agilent, 2014) | 2688 reflections with I > 2σ(I) |
Tmin = 0.867, Tmax = 1.000 | Rint = 0.014 |
9606 measured reflections |
R[F2 > 2σ(F2)] = 0.032 | 0 restraints |
wR(F2) = 0.094 | H-atom parameters constrained |
S = 1.06 | Δρmax = 0.16 e Å−3 |
2938 reflections | Δρmin = −0.28 e Å−3 |
192 parameters |
Experimental. Absorption correction: CrysAlisPro, Agilent Technologies, Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET) (compiled Feb 1 2013,16:14:44) Empirical absorption correction in SCALE3 ABSPACK. |
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. |
x | y | z | Uiso*/Ueq | ||
C1 | 0.67633 (8) | 0.0261 (2) | 0.10297 (7) | 0.0458 (3) | |
C2 | 0.68632 (8) | −0.1600 (2) | 0.04845 (7) | 0.0450 (3) | |
C3 | 0.62090 (9) | −0.3225 (3) | 0.01440 (8) | 0.0553 (3) | |
H3 | 0.5652 | −0.3110 | 0.0258 | 0.066* | |
C4 | 0.63923 (10) | −0.4967 (3) | −0.03523 (9) | 0.0601 (4) | |
H4 | 0.5961 | −0.6048 | −0.0569 | 0.072* | |
C5 | 0.72249 (10) | −0.5136 (3) | −0.05366 (8) | 0.0569 (3) | |
H5 | 0.7342 | −0.6336 | −0.0873 | 0.068* | |
C6 | 0.78660 (9) | −0.3561 (3) | −0.02273 (8) | 0.0523 (3) | |
H6 | 0.8413 | −0.3669 | −0.0363 | 0.063* | |
C7 | 0.76994 (8) | −0.1775 (2) | 0.02961 (7) | 0.0444 (3) | |
C8 | 0.81859 (8) | 0.1354 (2) | 0.11131 (7) | 0.0445 (3) | |
C9 | 0.59215 (12) | 0.3019 (3) | 0.19721 (11) | 0.0734 (5) | |
H9A | 0.6392 | 0.2626 | 0.2400 | 0.110* | |
H9B | 0.5401 | 0.3312 | 0.2176 | 0.110* | |
H9C | 0.6070 | 0.4421 | 0.1708 | 0.110* | |
C10 | 0.88942 (8) | 0.3057 (2) | 0.14745 (8) | 0.0479 (3) | |
H10A | 0.8870 | 0.3261 | 0.2029 | 0.058* | |
H10B | 0.8775 | 0.4595 | 0.1220 | 0.058* | |
C11 | 0.98167 (8) | 0.2298 (2) | 0.14133 (7) | 0.0429 (3) | |
H11 | 0.9941 | 0.0764 | 0.1683 | 0.051* | |
C12 | 1.04767 (8) | 0.4094 (2) | 0.18105 (7) | 0.0414 (3) | |
C13 | 1.06970 (9) | 0.6065 (2) | 0.14024 (8) | 0.0483 (3) | |
H13 | 1.0441 | 0.6280 | 0.0873 | 0.058* | |
C14 | 1.12977 (9) | 0.7713 (2) | 0.17802 (9) | 0.0538 (3) | |
H14 | 1.1449 | 0.9011 | 0.1499 | 0.065* | |
C15 | 1.16716 (9) | 0.7448 (2) | 0.25659 (9) | 0.0544 (3) | |
H15 | 1.2075 | 0.8556 | 0.2815 | 0.065* | |
C16 | 1.14426 (9) | 0.5519 (3) | 0.29825 (8) | 0.0541 (3) | |
H16 | 1.1681 | 0.5350 | 0.3517 | 0.065* | |
C17 | 1.08585 (8) | 0.3841 (2) | 0.26030 (8) | 0.0477 (3) | |
H17 | 1.0720 | 0.2526 | 0.2883 | 0.057* | |
N1 | 0.83603 (7) | −0.0253 (2) | 0.06177 (6) | 0.0475 (3) | |
N2 | 0.74020 (7) | 0.1686 (2) | 0.13399 (6) | 0.0475 (3) | |
O1 | 0.99198 (7) | 0.2036 (2) | 0.06187 (6) | 0.0606 (3) | |
H1 | 0.9563 | 0.1070 | 0.0393 | 0.091* | |
S1 | 0.57374 (2) | 0.05921 (7) | 0.12865 (2) | 0.06185 (14) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.0408 (6) | 0.0551 (7) | 0.0426 (6) | 0.0077 (5) | 0.0110 (5) | 0.0052 (5) |
C2 | 0.0415 (6) | 0.0531 (7) | 0.0399 (6) | 0.0044 (5) | 0.0071 (5) | 0.0040 (5) |
C3 | 0.0463 (7) | 0.0683 (9) | 0.0517 (7) | −0.0049 (6) | 0.0101 (6) | −0.0006 (6) |
C4 | 0.0609 (8) | 0.0649 (8) | 0.0529 (8) | −0.0122 (7) | 0.0070 (6) | −0.0060 (6) |
C5 | 0.0654 (9) | 0.0565 (8) | 0.0487 (7) | 0.0011 (7) | 0.0105 (6) | −0.0077 (6) |
C6 | 0.0504 (7) | 0.0597 (8) | 0.0474 (7) | 0.0065 (6) | 0.0107 (5) | −0.0063 (6) |
C7 | 0.0414 (6) | 0.0508 (7) | 0.0405 (6) | 0.0059 (5) | 0.0065 (5) | 0.0007 (5) |
C8 | 0.0398 (6) | 0.0514 (7) | 0.0418 (6) | 0.0076 (5) | 0.0072 (5) | −0.0004 (5) |
C9 | 0.0777 (11) | 0.0691 (10) | 0.0845 (11) | 0.0061 (8) | 0.0435 (9) | −0.0105 (8) |
C10 | 0.0431 (6) | 0.0510 (7) | 0.0492 (7) | 0.0052 (5) | 0.0078 (5) | −0.0062 (5) |
C11 | 0.0433 (6) | 0.0459 (6) | 0.0410 (6) | 0.0028 (5) | 0.0123 (5) | 0.0009 (5) |
C12 | 0.0376 (6) | 0.0434 (6) | 0.0451 (6) | 0.0061 (5) | 0.0129 (5) | −0.0006 (5) |
C13 | 0.0508 (7) | 0.0475 (7) | 0.0482 (6) | 0.0057 (5) | 0.0139 (5) | 0.0037 (5) |
C14 | 0.0538 (7) | 0.0434 (6) | 0.0691 (8) | 0.0010 (6) | 0.0244 (6) | 0.0017 (6) |
C15 | 0.0451 (7) | 0.0510 (7) | 0.0677 (8) | −0.0014 (6) | 0.0123 (6) | −0.0110 (6) |
C16 | 0.0479 (7) | 0.0604 (8) | 0.0517 (7) | 0.0045 (6) | 0.0038 (6) | −0.0037 (6) |
C17 | 0.0468 (6) | 0.0489 (7) | 0.0477 (6) | 0.0037 (5) | 0.0098 (5) | 0.0039 (5) |
N1 | 0.0390 (5) | 0.0554 (6) | 0.0482 (5) | 0.0046 (4) | 0.0084 (4) | −0.0067 (5) |
N2 | 0.0429 (5) | 0.0546 (6) | 0.0462 (5) | 0.0072 (5) | 0.0116 (4) | −0.0021 (5) |
O1 | 0.0655 (6) | 0.0740 (7) | 0.0477 (5) | −0.0177 (5) | 0.0247 (4) | −0.0148 (5) |
S1 | 0.0459 (2) | 0.0755 (3) | 0.0698 (2) | 0.00317 (16) | 0.02499 (17) | −0.00692 (17) |
C1—N2 | 1.3092 (17) | C9—H9C | 0.9600 |
C1—C2 | 1.4340 (18) | C10—C11 | 1.5252 (16) |
C1—S1 | 1.7521 (13) | C10—H10A | 0.9700 |
C2—C7 | 1.4083 (17) | C10—H10B | 0.9700 |
C2—C3 | 1.4100 (19) | C11—O1 | 1.4173 (14) |
C3—C4 | 1.365 (2) | C11—C12 | 1.5082 (17) |
C3—H3 | 0.9300 | C11—H11 | 0.9800 |
C4—C5 | 1.400 (2) | C12—C17 | 1.3880 (17) |
C4—H4 | 0.9300 | C12—C13 | 1.3894 (18) |
C5—C6 | 1.365 (2) | C13—C14 | 1.3873 (19) |
C5—H5 | 0.9300 | C13—H13 | 0.9300 |
C6—C7 | 1.4065 (18) | C14—C15 | 1.375 (2) |
C6—H6 | 0.9300 | C14—H14 | 0.9300 |
C7—N1 | 1.3713 (17) | C15—C16 | 1.384 (2) |
C8—N1 | 1.3067 (16) | C15—H15 | 0.9300 |
C8—N2 | 1.3678 (16) | C16—C17 | 1.3843 (19) |
C8—C10 | 1.5032 (18) | C16—H16 | 0.9300 |
C9—S1 | 1.7902 (17) | C17—H17 | 0.9300 |
C9—H9A | 0.9600 | O1—H1 | 0.8200 |
C9—H9B | 0.9600 | ||
N2—C1—C2 | 122.82 (11) | C11—C10—H10A | 108.5 |
N2—C1—S1 | 119.58 (10) | C8—C10—H10B | 108.5 |
C2—C1—S1 | 117.60 (10) | C11—C10—H10B | 108.5 |
C7—C2—C3 | 119.24 (12) | H10A—C10—H10B | 107.5 |
C7—C2—C1 | 115.14 (11) | O1—C11—C12 | 108.24 (10) |
C3—C2—C1 | 125.62 (12) | O1—C11—C10 | 112.40 (10) |
C4—C3—C2 | 120.08 (13) | C12—C11—C10 | 110.70 (10) |
C4—C3—H3 | 120.0 | O1—C11—H11 | 108.5 |
C2—C3—H3 | 120.0 | C12—C11—H11 | 108.5 |
C3—C4—C5 | 120.48 (13) | C10—C11—H11 | 108.5 |
C3—C4—H4 | 119.8 | C17—C12—C13 | 118.57 (12) |
C5—C4—H4 | 119.8 | C17—C12—C11 | 120.28 (11) |
C6—C5—C4 | 120.70 (13) | C13—C12—C11 | 121.12 (11) |
C6—C5—H5 | 119.7 | C14—C13—C12 | 120.31 (12) |
C4—C5—H5 | 119.7 | C14—C13—H13 | 119.8 |
C5—C6—C7 | 120.01 (13) | C12—C13—H13 | 119.8 |
C5—C6—H6 | 120.0 | C15—C14—C13 | 120.65 (13) |
C7—C6—H6 | 120.0 | C15—C14—H14 | 119.7 |
N1—C7—C6 | 119.03 (12) | C13—C14—H14 | 119.7 |
N1—C7—C2 | 121.49 (11) | C14—C15—C16 | 119.52 (13) |
C6—C7—C2 | 119.47 (12) | C14—C15—H15 | 120.2 |
N1—C8—N2 | 126.28 (12) | C16—C15—H15 | 120.2 |
N1—C8—C10 | 118.73 (11) | C15—C16—C17 | 119.99 (13) |
N2—C8—C10 | 114.98 (11) | C15—C16—H16 | 120.0 |
S1—C9—H9A | 109.5 | C17—C16—H16 | 120.0 |
S1—C9—H9B | 109.5 | C16—C17—C12 | 120.92 (12) |
H9A—C9—H9B | 109.5 | C16—C17—H17 | 119.5 |
S1—C9—H9C | 109.5 | C12—C17—H17 | 119.5 |
H9A—C9—H9C | 109.5 | C8—N1—C7 | 117.30 (11) |
H9B—C9—H9C | 109.5 | C1—N2—C8 | 116.95 (11) |
C8—C10—C11 | 115.00 (10) | C11—O1—H1 | 109.5 |
C8—C10—H10A | 108.5 | C1—S1—C9 | 102.08 (7) |
Acknowledgements
The authors thank the Cornea Research Chair, Department of Optometry, College of Applied Medical Sciences, King Saud University, for funding this research.
References
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In C17H16N2OS (Fig. 1), the methylsulfanylquinazoline group is planar and is oriented at an angle of 76.26 (4)° with the phenyl group. The hydroxyl group forms an intramolecular hydrogen bond to one of the quinazoline ring nitrogen atoms (Table 1) whereas the second N atom is not involved in hydrogen bonding. In the crystal structure, molecules are stacked along the b-axis direction (Fig. 2).