Literature DB >> 25995902

Crystal structure of (2-methyl-4-phenyl-4H-benzo[4,5]thia-zolo[3,2-a]pyrimidin-3-yl)(phen-yl)methanone.

T Sankar1, S Naveen2, N K Lokanath3, K Gunasekaran1.   

Abstract

In the title compound, C24H18N2OS, the pyrimidine ring has a flat envelope conformation with the methine C atom as the flap. The attached phenyl and benzoyl rings are inclined to the mean plane of the pyrimidine ring by 84.87 (8) and 75.33 (9)°, respectively. The benzo-thia-zolo group is planar (r.m.s. deviation = 0.009 Å) and inclined to the mean plane of the pyrimidine ring by 3.27 (6)°. In the crystal, mol-ecules are linked by pairs of C-H⋯N hydrogen bonds, forming inversion dimers.

Entities:  

Keywords:  C—H⋯N hydrogen bonding; benzo; crystal structure; pyrimidine; thia­zolo

Year:  2015        PMID: 25995902      PMCID: PMC4420141          DOI: 10.1107/S2056989015006428

Source DB:  PubMed          Journal:  Acta Crystallogr E Crystallogr Commun


Related literature

For general background to the biological activities of pyrimidine derivatives, see: Kumar et al. (2002 ▸); Baraldi et al. (2002 ▸); Nasr & Gineinah (2002 ▸). For literature on the synthesis of fused benzo­thia­zolo derivatives, see: Nagarapu et al. (2013a ▸,b ▸).

Experimental

Crystal data

C24H18N2OS M = 382.46 Monoclinic, a = 12.1894 (6) Å b = 18.6119 (8) Å c = 8.9370 (4) Å β = 110.360 (1)° V = 1900.85 (15) Å3 Z = 4 Cu Kα radiation μ = 1.64 mm−1 T = 296 K 0.25 × 0.20 × 0.18 mm

Data collection

Bruker SMART APEXII CCD diffractometer Absorption correction: multi-scan (SADABS; Bruker, 2008 ▸) T min = 0.709, T max = 0.745 11594 measured reflections 3090 independent reflections 3047 reflections with I > 2σ(I) R int = 0.036

Refinement

R[F 2 > 2σ(F 2)] = 0.040 wR(F 2) = 0.109 S = 1.08 3090 reflections 254 parameters H-atom parameters constrained Δρmax = 0.28 e Å−3 Δρmin = −0.33 e Å−3

Data collection: APEX2 (Bruker, 2008 ▸); cell refinement: SAINT (Bruker, 2008 ▸); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▸); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▸); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012 ▸); software used to prepare material for publication: SHELXL97 and PLATON (Spek, 2009 ▸). Crystal structure: contains datablock(s) global, I. DOI: 10.1107/S2056989015006428/su5105sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S2056989015006428/su5105Isup2.hkl Click here for additional data file. Supporting information file. DOI: 10.1107/S2056989015006428/su5105Isup3.cml Click here for additional data file. . DOI: 10.1107/S2056989015006428/su5105fig1.tif The mol­ecular structure of the title compound, with atom labelling. The displacement ellipsoids are drawn at the 30% probability level. Click here for additional data file. a . DOI: 10.1107/S2056989015006428/su5105fig2.tif The crystal packing of the title compound viewed along the a axis. The hydrogen bonds are shown as dashed lines (see Table 1 for details). CCDC reference: 1056199 Additional supporting information: crystallographic information; 3D view; checkCIF report
C24H18N2OSF(000) = 800
Mr = 382.46Dx = 1.336 Mg m3
Monoclinic, P21/cCu Kα radiation, λ = 1.54178 Å
Hall symbol: -P 2ybcCell parameters from 3047 reflections
a = 12.1894 (6) Åθ = 4.8–64.4°
b = 18.6119 (8) ŵ = 1.64 mm1
c = 8.9370 (4) ÅT = 296 K
β = 110.360 (1)°Block, yellow
V = 1900.85 (15) Å30.25 × 0.20 × 0.18 mm
Z = 4
Bruker SMART APEXII CCD diffractometer3090 independent reflections
Radiation source: fine-focus sealed tube3047 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.036
ω and φ scansθmax = 64.4°, θmin = 4.8°
Absorption correction: multi-scan (SADABS; Bruker, 2008)h = −14→12
Tmin = 0.709, Tmax = 0.745k = −21→19
11594 measured reflectionsl = −10→10
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.040Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.109H-atom parameters constrained
S = 1.08w = 1/[σ2(Fo2) + (0.0592P)2 + 1.0365P] where P = (Fo2 + 2Fc2)/3
3090 reflections(Δ/σ)max = 0.001
254 parametersΔρmax = 0.28 e Å3
0 restraintsΔρmin = −0.33 e Å3
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.
xyzUiso*/Ueq
S30.78290 (4)0.78385 (2)0.29579 (5)0.02105 (16)
O220.63518 (10)0.46696 (6)−0.01765 (14)0.0218 (3)
N100.67761 (11)0.66193 (7)0.23307 (16)0.0153 (3)
N10.86815 (12)0.66330 (7)0.21581 (17)0.0185 (3)
C230.81232 (14)0.42002 (9)0.1606 (2)0.0176 (4)
C150.66359 (13)0.54627 (9)0.36319 (19)0.0158 (3)
C210.72853 (14)0.47969 (9)0.08872 (18)0.0159 (3)
C90.59793 (14)0.70747 (9)0.26642 (19)0.0168 (4)
C130.85112 (14)0.59148 (9)0.16452 (19)0.0166 (3)
C200.59791 (15)0.48448 (9)0.3530 (2)0.0199 (4)
H200.54470.47010.25490.024*
C80.48789 (15)0.68936 (9)0.2670 (2)0.0212 (4)
H80.45880.64300.24270.025*
C120.75429 (14)0.55374 (9)0.15422 (18)0.0156 (3)
C110.65887 (13)0.58425 (8)0.20997 (19)0.0151 (3)
H110.58230.57560.12750.018*
C240.81031 (16)0.35791 (9)0.0720 (2)0.0239 (4)
H240.76080.3552−0.03390.029*
C20.78084 (14)0.69288 (9)0.24274 (19)0.0161 (3)
C50.57494 (15)0.83013 (9)0.3392 (2)0.0220 (4)
H50.60340.87670.36220.026*
C70.42230 (16)0.74266 (10)0.3051 (2)0.0246 (4)
H70.34830.73160.30680.030*
C60.46508 (16)0.81215 (10)0.3406 (2)0.0242 (4)
H60.41950.84690.36560.029*
C280.88470 (15)0.42280 (10)0.3196 (2)0.0229 (4)
H280.88690.46410.37920.027*
C180.68805 (17)0.46582 (10)0.6348 (2)0.0276 (4)
H180.69720.43850.72550.033*
C250.88206 (18)0.30017 (10)0.1416 (3)0.0308 (4)
H250.88240.25950.08140.037*
C140.95013 (15)0.56424 (10)0.1177 (2)0.0229 (4)
H14A0.93230.51670.07440.034*
H14B1.02040.56300.20990.034*
H14C0.96120.59550.03880.034*
C40.64142 (15)0.77729 (9)0.30278 (19)0.0183 (4)
C160.74035 (15)0.56846 (9)0.5113 (2)0.0219 (4)
H160.78400.61020.51910.026*
C170.75201 (16)0.52884 (10)0.6466 (2)0.0257 (4)
H170.80260.54420.74550.031*
C270.95393 (16)0.36400 (11)0.3900 (2)0.0297 (4)
H271.00080.36560.49720.036*
C260.95303 (17)0.30319 (11)0.3006 (3)0.0307 (4)
H261.00020.26420.34750.037*
C190.61111 (17)0.44390 (10)0.4884 (2)0.0269 (4)
H190.56810.40190.48050.032*
U11U22U33U12U13U23
S30.0211 (3)0.0137 (3)0.0288 (3)−0.00246 (15)0.00924 (19)−0.00270 (15)
O220.0202 (6)0.0214 (6)0.0200 (6)0.0014 (5)0.0022 (5)−0.0039 (5)
N100.0169 (7)0.0114 (7)0.0184 (7)−0.0003 (5)0.0070 (5)−0.0001 (5)
N10.0174 (7)0.0168 (7)0.0215 (7)−0.0005 (5)0.0071 (6)0.0008 (6)
C230.0164 (8)0.0159 (8)0.0229 (8)0.0006 (6)0.0099 (7)0.0014 (7)
C150.0152 (8)0.0152 (8)0.0188 (8)0.0035 (6)0.0080 (6)−0.0007 (6)
C210.0175 (8)0.0189 (9)0.0135 (7)0.0002 (6)0.0082 (6)0.0001 (6)
C90.0189 (8)0.0161 (8)0.0147 (8)0.0033 (6)0.0049 (6)0.0001 (6)
C130.0166 (8)0.0172 (8)0.0150 (8)0.0029 (6)0.0041 (6)0.0022 (6)
C200.0222 (8)0.0180 (8)0.0189 (8)−0.0025 (7)0.0064 (7)−0.0014 (7)
C80.0217 (9)0.0168 (9)0.0265 (9)−0.0008 (7)0.0101 (7)−0.0017 (7)
C120.0162 (8)0.0161 (8)0.0145 (8)0.0030 (6)0.0053 (6)0.0014 (6)
C110.0150 (8)0.0128 (8)0.0168 (8)−0.0002 (6)0.0046 (6)−0.0018 (6)
C240.0280 (9)0.0201 (9)0.0260 (9)0.0026 (7)0.0123 (7)−0.0012 (7)
C20.0174 (8)0.0151 (8)0.0147 (8)−0.0005 (6)0.0041 (6)0.0012 (6)
C50.0278 (9)0.0147 (8)0.0223 (9)0.0020 (7)0.0072 (7)−0.0031 (7)
C70.0220 (9)0.0246 (10)0.0300 (9)0.0031 (7)0.0127 (7)−0.0015 (7)
C60.0276 (9)0.0203 (9)0.0263 (9)0.0071 (7)0.0114 (7)−0.0018 (7)
C280.0216 (9)0.0210 (9)0.0244 (9)0.0016 (7)0.0059 (7)0.0008 (7)
C180.0384 (11)0.0250 (10)0.0222 (9)0.0030 (8)0.0140 (8)0.0063 (7)
C250.0378 (11)0.0180 (9)0.0442 (12)0.0065 (8)0.0238 (9)−0.0002 (8)
C140.0206 (9)0.0223 (9)0.0294 (9)0.0014 (7)0.0131 (7)0.0012 (7)
C40.0204 (9)0.0168 (8)0.0164 (8)0.0009 (6)0.0048 (7)0.0003 (6)
C160.0238 (9)0.0201 (9)0.0212 (9)−0.0032 (7)0.0070 (7)−0.0025 (7)
C170.0294 (9)0.0280 (10)0.0172 (8)0.0009 (8)0.0050 (7)−0.0016 (7)
C270.0247 (9)0.0303 (10)0.0311 (10)0.0073 (8)0.0060 (8)0.0094 (8)
C260.0267 (10)0.0237 (10)0.0452 (12)0.0110 (8)0.0171 (9)0.0126 (8)
C190.0353 (10)0.0210 (9)0.0271 (10)−0.0060 (8)0.0143 (8)0.0021 (7)
S3—C41.7515 (18)C24—C251.389 (3)
S3—C21.7560 (16)C24—H240.9300
O22—C211.225 (2)C5—C41.383 (2)
N10—C21.359 (2)C5—C61.385 (3)
N10—C91.397 (2)C5—H50.9300
N10—C111.467 (2)C7—C61.389 (3)
N1—C21.293 (2)C7—H70.9300
N1—C131.405 (2)C6—H60.9300
C23—C281.389 (2)C28—C271.391 (3)
C23—C241.396 (2)C28—H280.9300
C23—C211.494 (2)C18—C191.380 (3)
C15—C201.386 (2)C18—C171.392 (3)
C15—C161.391 (2)C18—H180.9300
C15—C111.524 (2)C25—C261.384 (3)
C21—C121.488 (2)C25—H250.9300
C9—C81.385 (2)C14—H14A0.9600
C9—C41.398 (2)C14—H14B0.9600
C13—C121.349 (2)C14—H14C0.9600
C13—C141.497 (2)C16—C171.381 (3)
C20—C191.388 (3)C16—H160.9300
C20—H200.9300C17—H170.9300
C8—C71.389 (3)C27—C261.383 (3)
C8—H80.9300C27—H270.9300
C12—C111.525 (2)C26—H260.9300
C11—H110.9800C19—H190.9300
C4—S3—C291.18 (8)C4—C5—H5120.7
C2—N10—C9115.23 (13)C6—C5—H5120.7
C2—N10—C11121.47 (13)C8—C7—C6121.25 (17)
C9—N10—C11122.83 (13)C8—C7—H7119.4
C2—N1—C13115.35 (14)C6—C7—H7119.4
C28—C23—C24119.38 (16)C5—C6—C7120.67 (16)
C28—C23—C21120.53 (15)C5—C6—H6119.7
C24—C23—C21119.81 (15)C7—C6—H6119.7
C20—C15—C16119.38 (16)C23—C28—C27120.18 (17)
C20—C15—C11119.04 (14)C23—C28—H28119.9
C16—C15—C11121.31 (15)C27—C28—H28119.9
O22—C21—C12119.75 (14)C19—C18—C17119.92 (17)
O22—C21—C23120.07 (15)C19—C18—H18120.0
C12—C21—C23120.03 (13)C17—C18—H18120.0
C8—C9—N10126.81 (15)C26—C25—C24119.97 (18)
C8—C9—C4120.99 (15)C26—C25—H25120.0
N10—C9—C4112.20 (14)C24—C25—H25120.0
C12—C13—N1122.97 (15)C13—C14—H14A109.5
C12—C13—C14125.18 (15)C13—C14—H14B109.5
N1—C13—C14111.81 (14)H14A—C14—H14B109.5
C15—C20—C19120.36 (16)C13—C14—H14C109.5
C15—C20—H20119.8H14A—C14—H14C109.5
C19—C20—H20119.8H14B—C14—H14C109.5
C9—C8—C7117.90 (16)C5—C4—C9120.64 (16)
C9—C8—H8121.1C5—C4—S3128.57 (14)
C7—C8—H8121.1C9—C4—S3110.79 (12)
C13—C12—C21124.69 (15)C17—C16—C15120.32 (16)
C13—C12—C11122.17 (15)C17—C16—H16119.8
C21—C12—C11113.13 (13)C15—C16—H16119.8
N10—C11—C15112.04 (13)C16—C17—C18119.97 (16)
N10—C11—C12108.29 (13)C16—C17—H17120.0
C15—C11—C12109.03 (12)C18—C17—H17120.0
N10—C11—H11109.1C26—C27—C28120.05 (18)
C15—C11—H11109.1C26—C27—H27120.0
C12—C11—H11109.1C28—C27—H27120.0
C25—C24—C23120.18 (17)C27—C26—C25120.19 (17)
C25—C24—H24119.9C27—C26—H26119.9
C23—C24—H24119.9C25—C26—H26119.9
N1—C2—N10127.70 (15)C18—C19—C20120.02 (17)
N1—C2—S3121.70 (13)C18—C19—H19120.0
N10—C2—S3110.59 (12)C20—C19—H19120.0
C4—C5—C6118.55 (16)
D—H···AD—HH···AD···AD—H···A
C27—H27···N1i0.932.563.472 (2)166
Table 1

Hydrogen-bond geometry (, )

DHA DHHA D A DHA
C27H27N1i 0.932.563.472(2)166

Symmetry code: (i) .

  6 in total

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2.  A short history of SHELX.

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3.  Synthesis of novel benzo[4,5]thiazolo[1,2-a]pyrimidine-3-carboxylate derivatives and biological evaluation as potential anticancer agents.

Authors:  Lingaiah Nagarapu; Satheeshvarma Vanaparthi; Rajashaker Bantu; C Ganesh Kumar
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5.  Pyrido[2, 3-d]pyrimidines and pyrimido[5',4':5, 6]pyrido[2, 3-d]pyrimidines as new antiviral agents: synthesis and biological activity.

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Journal:  Arch Pharm (Weinheim)       Date:  2002-06       Impact factor: 3.751

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Authors:  Anthony L Spek
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