Literature DB >> 25553044

Crystal structure of 4-meth-oxy-quinazoline.

Gamal A El-Hiti1, Keith Smith2, Amany S Hegazy2, Mohammed B Alshammari3, Benson M Kariuki2.   

Abstract

The title compound, C9H8N2O, is almost planar, with the C atom of the meth-oxy group deviating from the mean plane of the quinazoline ring system (r.m.s. deviation = 0.011 Å) by 0.068 (4) Å. In the crystal, mol-ecules form π-π stacks parallel to the b-axis direction [centroid-centroid separation = 3.5140 (18) Å], leading to a herringbone packing arrangement.

Entities:  

Keywords:  4-meth­oxy­quinazoline; crystal structure; herringbone packing; quinazoline derivatives; π–π stacks

Year:  2014        PMID: 25553044      PMCID: PMC4257374          DOI: 10.1107/S1600536814025082

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For the synthesis of quinazoline derivatives, see: Bogert & May (1909 ▶); Smith et al. (2005 ▶); Wang et al. (2010 ▶); Yang et al. (2010 ▶); Han et al. (2012 ▶). For the crystal structures of related compounds, see Alshammari et al. (2014 ▶); Derabli et al. (2013 ▶); Gao et al. (2012 ▶); Huang & Tan (2012 ▶); Jia et al. (2011 ▶).

Experimental

Crystal data

C9H8N2O M = 160.17 Monoclinic, a = 6.9590 (6) Å b = 4.0517 (3) Å c = 13.5858 (12) Å β = 91.754 (8)° V = 382.88 (6) Å3 Z = 2 Cu Kα radiation μ = 0.77 mm−1 T = 150 K 0.57 × 0.12 × 0.08 mm

Data collection

Agilent SuperNova (Dual, Cu at zero, Atlas) diffractometer Absorption correction: gaussian (CrysAlis PRO; Agilent, 2014 ▶) T min = 0.641, T max = 0.895 2166 measured reflections 1435 independent reflections 1311 reflections with I > 2σ(I) R int = 0.040

Refinement

R[F 2 > 2σ(F 2)] = 0.054 wR(F 2) = 0.159 S = 1.08 1435 reflections 110 parameters 1 restraint H-atom parameters constrained Δρmax = 0.24 e Å−3 Δρmin = −0.23 e Å−3

Data collection: CrysAlis PRO (Agilent, 2014 ▶); cell refinement: 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: ORTEP-3 for Windows (Farrugia, 2012 ▶); software used to prepare material for publication: WinGX (Farrugia, 2012 ▶) and CHEMDRAW Ultra (Cambridge Soft, 2001 ▶). Crystal structure: contains datablock(s) I, New_Global_Publ_Block. DOI: 10.1107/S1600536814025082/hb7317sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S1600536814025082/hb7317Isup2.hkl Click here for additional data file. Supporting information file. DOI: 10.1107/S1600536814025082/hb7317Isup3.cml Click here for additional data file. . DOI: 10.1107/S1600536814025082/hb7317fig1.tif The title mol­ecule showing 50% probability displacement ellipsoids. Click here for additional data file. a . DOI: 10.1107/S1600536814025082/hb7317fig2.tif Crystal packing viewed down the a axis. CCDC reference: 1034363 Additional supporting information: crystallographic information; 3D view; checkCIF report
C9H8N2OF(000) = 168
Mr = 160.17Dx = 1.389 Mg m3
Monoclinic, P21Cu Kα radiation, λ = 1.54184 Å
a = 6.9590 (6) ÅCell parameters from 1311 reflections
b = 4.0517 (3) Åθ = 3.3–67.7°
c = 13.5858 (12) ŵ = 0.77 mm1
β = 91.754 (8)°T = 150 K
V = 382.88 (6) Å3Needle, colourless
Z = 20.57 × 0.12 × 0.08 mm
Agilent SuperNova (Dual, Cu at zero, Atlas) diffractometer1311 reflections with I > 2σ(I)
ω scansRint = 0.040
Absorption correction: gaussian (CrysAlis PRO; Agilent, 2014)θmax = 74.6°, θmin = 3.3°
Tmin = 0.641, Tmax = 0.895h = −8→8
2166 measured reflectionsk = −4→5
1435 independent reflectionsl = −11→16
Refinement on F21 restraint
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.054H-atom parameters constrained
wR(F2) = 0.159w = 1/[σ2(Fo2) + (0.110P)2 + 0.0483P] where P = (Fo2 + 2Fc2)/3
S = 1.08(Δ/σ)max < 0.001
1435 reflectionsΔρmax = 0.24 e Å3
110 parametersΔρmin = −0.23 e Å3
Experimental. Absorption correction: CrysAlisPro, Agilent Technologies, Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET) (compiled Mar 27 2014,17:12:48) Numerical absorption correction based on gaussian integration over a multifaceted crystal model Empirical absorption correction using spherical harmonics, implemented in SCALE3 ABSPACK scaling algorithm.
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.
xyzUiso*/Ueq
C1−0.1179 (5)0.8736 (9)0.7198 (2)0.0403 (8)
H1−0.23910.78310.70780.048*
C20.1829 (4)0.9515 (7)0.6650 (2)0.0330 (7)
C30.2338 (4)1.1283 (7)0.7527 (2)0.0330 (7)
C40.0855 (4)1.1608 (7)0.8208 (2)0.0349 (7)
C50.1265 (5)1.3290 (8)0.9096 (3)0.0426 (8)
H50.03081.35260.95540.051*
C60.3034 (5)1.4570 (8)0.9292 (2)0.0431 (8)
H60.32761.56750.98830.052*
C70.4520 (5)1.4246 (10)0.8608 (3)0.0411 (7)
H70.57311.51270.87510.049*
C80.4169 (5)1.2640 (7)0.7739 (2)0.0364 (7)
H80.51381.24400.72870.044*
C90.2674 (5)0.7530 (9)0.5079 (3)0.0433 (8)
H9A0.16690.87570.47450.065*
H9B0.22260.53400.52150.065*
H9C0.37710.74100.46690.065*
N1−0.0945 (4)1.0312 (7)0.8028 (2)0.0412 (7)
N20.0121 (4)0.8237 (6)0.6479 (2)0.0378 (7)
O10.3208 (3)0.9159 (6)0.59930 (16)0.0381 (6)
U11U22U33U12U13U23
C10.0293 (13)0.0351 (16)0.0562 (19)−0.0019 (13)−0.0033 (12)0.0037 (15)
C20.0334 (14)0.0278 (15)0.0374 (15)0.0007 (13)−0.0059 (11)0.0054 (12)
C30.0310 (14)0.0268 (14)0.0408 (15)0.0051 (11)−0.0036 (12)0.0073 (12)
C40.0356 (16)0.0283 (15)0.0405 (16)0.0033 (13)−0.0020 (12)0.0071 (13)
C50.0473 (18)0.0386 (17)0.0423 (18)0.0053 (15)0.0052 (14)0.0023 (15)
C60.0528 (19)0.0364 (18)0.0396 (17)0.0030 (15)−0.0075 (14)−0.0008 (14)
C70.0367 (14)0.0373 (16)0.0486 (17)0.0006 (14)−0.0104 (12)0.0020 (14)
C80.0327 (14)0.0346 (16)0.0416 (18)0.0033 (13)−0.0051 (12)0.0057 (14)
C90.0445 (17)0.0437 (18)0.0414 (17)0.0051 (16)−0.0052 (13)−0.0020 (14)
N10.0336 (13)0.0372 (14)0.0528 (17)−0.0001 (11)0.0023 (11)0.0013 (13)
N20.0346 (13)0.0336 (14)0.0446 (14)−0.0001 (10)−0.0084 (11)0.0044 (11)
O10.0346 (10)0.0430 (13)0.0367 (11)−0.0004 (11)−0.0016 (8)−0.0004 (10)
C1—N11.302 (4)C5—H50.9300
C1—N21.366 (4)C6—C71.417 (5)
C1—H10.9300C6—H60.9300
C2—N21.311 (4)C7—C81.363 (5)
C2—O11.338 (4)C7—H70.9300
C2—C31.425 (4)C8—H80.9300
C3—C81.409 (4)C9—O11.445 (4)
C3—C41.413 (4)C9—H9A0.9600
C4—N11.373 (4)C9—H9B0.9600
C4—C51.407 (5)C9—H9C0.9600
C5—C61.355 (5)
N1—C1—N2128.6 (3)C7—C6—H6119.6
N1—C1—H1115.7C8—C7—C6119.8 (3)
N2—C1—H1115.7C8—C7—H7120.1
N2—C2—O1120.3 (3)C6—C7—H7120.1
N2—C2—C3123.2 (3)C7—C8—C3120.0 (3)
O1—C2—C3116.5 (2)C7—C8—H8120.0
C8—C3—C4120.2 (3)C3—C8—H8120.0
C8—C3—C2124.6 (3)O1—C9—H9A109.5
C4—C3—C2115.2 (3)O1—C9—H9B109.5
N1—C4—C5119.8 (3)H9A—C9—H9B109.5
N1—C4—C3121.9 (3)O1—C9—H9C109.5
C5—C4—C3118.2 (3)H9A—C9—H9C109.5
C6—C5—C4120.9 (3)H9B—C9—H9C109.5
C6—C5—H5119.6C1—N1—C4115.5 (3)
C4—C5—H5119.6C2—N2—C1115.6 (3)
C5—C6—C7120.8 (3)C2—O1—C9116.9 (2)
C5—C6—H6119.6
  7 in total

1.  CuCl/DABCO/4-HO-TEMPO-catalyzed aerobic oxidative synthesis of 2-substituted quinazolines and 4H-3,1-benzoxazines.

Authors:  Bing Han; Xiu-Long Yang; Chao Wang; Yong-Wei Bai; Tai-Chao Pan; Xin Chen; Wei Yu
Journal:  J Org Chem       Date:  2011-12-28       Impact factor: 4.354

2.  A short history of SHELX.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A       Date:  2007-12-21       Impact factor: 2.290

3.  Copper-catalyzed synthesis of quinazoline derivatives via Ullmann-type coupling and aerobic oxidation.

Authors:  Chen Wang; Shangfu Li; Hongxia Liu; Yuyang Jiang; Hua Fu
Journal:  J Org Chem       Date:  2010-10-22       Impact factor: 4.354

4.  4-(4-Amino-2-fluoro-phen-oxy)-7-meth-oxy-quinazolin-6-ol methanol monosolvate.

Authors:  Wei Huang; Aimin Tan
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2012-03-24

5.  4-[(7-Fluoro-quinazolin-4-yl)-oxy]aniline.

Authors:  Jing Jia; Guibin Wang; Dingqiang Lu
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2010-12-24

6.  2,4-Dichloro-7-fluoro-quinazoline.

Authors:  Feng Gao; Yun-Fei Hu; Jin-Long Wang
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2012-02-17

7.  2-(4-Chloro-phen-yl)-4-phenyl-1,2-di-hydro-quinazoline.

Authors:  Chamseddine Derabli; Raouf Boulcina; Sofiane Bouacida; Hocine Merazig; Abdelmadjid Debache
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2013-10-19
  7 in total

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