organic compounds
5-(5-Chloro-2-hydroxybenzoyl)-1-methyl-3-nitropyridin-2(1H)-one
aDepartment of Physics, S.D.N.B. Vaishnav College for Women, Chromepet, Chennai 600 044, India, and bOrganic Chemistry Division, CSIR Central Leather Research Institute, Chennai 600 020, India
*Correspondence e-mail: lakssdnbvc@gmail.com
In the title compound, C13H9ClN2O5, the dihedral angle between the planes of the benzene and pyridine rings is 55.30 (13)°. The nitro group is tilted by 38.21 (10)° with respect to the mean plane of the pyridine ring. In the crystal, molecules are linked by O—H⋯O and C—H⋯O hydrogen bonds, forming a three-dimensional framework. The crystal packing is further stabilized by π–π stacking interactions [intercentroid distance = 3.5877 (17) Å].
Keywords: crystal structure; nitropyridine; hydrogen bonding; framework; π–π interactions.
CCDC reference: 1575441
Structure description
The pyridine moiety has profound importance in the fields of chemistry and biology (Ghosh et al., 2014). Compounds that contain pyridine and its derivatives have occupied a central role in the development of coordination chemistry and biochemistry (Rajeswar et al., 2014). Heterocycles are important molecular building blocks that are involved in the structural composition of crucial chemicals for humans, including pharmaceuticals, natural resources, veterinary, agricultural products, analytical reagents and dyes (Göktaş et al., 2014). In drug discovery, pyridine has been used as a bioisosteric replacement of the benzene ring (Ajit Kumar et al., 2011). Pyridine derivatives of different heterocyclic nuclei have shown important pharmacological properties such as anticancer (Abbas et al., 2015), antimicrobial (Hussein et al., 2014), antibacterial (Rani et al., 2012), antimycobacterial (Banfi et al., 2001) and antioxidant activities (Fadda et al., 2012).
In the title compound (Fig. 1), the dihedral angle between the benzene (C1–C6) and pyridine (N1/C8–C12) rings is 55.30 (13)°. The nitro group is tilted by 38.21 (10)° with respect to the mean plane of the pyridine ring. The chlorine atom Cl1 deviates from the plane of the benzene ring by 0.009 (1) Å. The Cl1—C2—C3—C4 torsion angle of 179.7 (2)° indicates that the chlorine atom Cl1 is not quite coplanar with the phenol ring.
In the crystal, molecules are linked by O1—H1⋯O4 and O1—H1⋯O5 hydrogen bonds (Table 1), forming chains, which are further linked by C1—H1A⋯O4 and C12—H12⋯O2 hydrogen bonds, forming a two-dimensional network parallel to (100) (Fig. 2). The crystal packing also features π–π stacking interactions [Cg1⋯Cg2i = 3.5877 (17) Å, interplanar distance = 3.3360 (11) Å, Cg1 and Cg2 are the centroids of rings N1/C8–C12 and C1–C6, respectively; symmetry code: (i) 2 − x, −y, − + z].
Synthesis and crystallization
A mixture of 6-chloro-3-formylchromone (1 mmol), (Z)-N-methyl-1-(methylthio)-2-nitroethenamine (1 mmol), and indium trifluoromethanesulfonate (0.020 mmol) in ethanol (3 ml) were charged in a 25 ml round-bottomed flask and the mixture was heated at reflux. The resulting solution was stirred for 1h. The consumption of the starting material was monitored by TLC. After completion of the reaction, the product was filtered, washed with ethanol, dried under vacuum and the pure product obtained in good yield (88%). The purified compound was recrystallized from ethanol and DMSO-d6 by using the slow evaporation method.
Refinement
Crystal data, data collection and structure .
details are summarized in Table 2Structural data
CCDC reference: 1575441
https://doi.org/10.1107/S2414314617013451/ff4020sup1.cif
contains datablock I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S2414314617013451/ff4020Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S2414314617013451/ff4020Isup3.cml
Data collection: APEX2 (Bruker, 2008); cell
SAINT (Bruker, 2008); data reduction: SAINT (Bruker, 2008); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and PLATON (Spek, 2009); software used to prepare material for publication: publCIF (Westrip, 2010).C13H9ClN2O5 | Dx = 1.590 Mg m−3 |
Mr = 308.67 | Mo Kα radiation, λ = 0.71073 Å |
Orthorhombic, Pna21 | Cell parameters from 1614 reflections |
a = 11.1491 (4) Å | θ = 2.3–25.0° |
b = 15.0153 (6) Å | µ = 0.32 mm−1 |
c = 7.7045 (3) Å | T = 296 K |
V = 1289.79 (9) Å3 | Block, colourless |
Z = 4 | 0.30 × 0.25 × 0.20 mm |
F(000) = 632 |
Bruker Kappa APEXII CCD diffractometer | 1614 reflections with I > 2σ(I) |
Radiation source: fine-focus sealed tube | Rint = 0.015 |
ω and φ scans | θmax = 25.0°, θmin = 2.3° |
Absorption correction: multi-scan (SADABS; Bruker, 2008) | h = −13→12 |
Tmin = 0.908, Tmax = 0.938 | k = −17→10 |
4752 measured reflections | l = −5→9 |
1705 independent 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)] = 0.026 | H-atom parameters constrained |
wR(F2) = 0.070 | w = 1/[σ2(Fo2) + (0.0449P)2 + 0.1924P] where P = (Fo2 + 2Fc2)/3 |
S = 1.06 | (Δ/σ)max < 0.001 |
1705 reflections | Δρmax = 0.12 e Å−3 |
191 parameters | Δρmin = −0.21 e Å−3 |
1 restraint | Absolute structure: Flack (1983), 481 Friedel pairs |
Primary atom site location: structure-invariant direct methods | Absolute structure parameter: 0.59 (3) |
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes. |
x | y | z | Uiso*/Ueq | ||
Cl1 | 0.63594 (6) | 0.15295 (6) | 0.00210 (13) | 0.0547 (3) | |
C9 | 1.0658 (2) | −0.18373 (17) | 0.2334 (4) | 0.0292 (6) | |
H9 | 1.0034 | −0.2146 | 0.2864 | 0.035* | |
O5 | 1.35111 (14) | −0.22295 (12) | 0.0251 (3) | 0.0389 (5) | |
C8 | 1.0640 (2) | −0.09006 (17) | 0.2281 (4) | 0.0262 (5) | |
N1 | 1.25635 (18) | −0.09334 (14) | 0.0949 (3) | 0.0290 (5) | |
C12 | 1.1613 (2) | −0.04804 (17) | 0.1581 (4) | 0.0278 (5) | |
H12 | 1.1621 | 0.0138 | 0.1538 | 0.033* | |
O4 | 1.1848 (2) | −0.36386 (13) | 0.0251 (4) | 0.0543 (6) | |
C13 | 1.3620 (2) | −0.04375 (19) | 0.0311 (5) | 0.0442 (8) | |
H13A | 1.3441 | 0.0188 | 0.0289 | 0.066* | |
H13B | 1.3816 | −0.0635 | −0.0839 | 0.066* | |
H13C | 1.4288 | −0.0543 | 0.1069 | 0.066* | |
O2 | 0.87647 (16) | −0.08953 (12) | 0.3612 (3) | 0.0433 (5) | |
C11 | 1.2624 (2) | −0.18667 (17) | 0.0867 (3) | 0.0294 (6) | |
O1 | 1.09214 (16) | 0.11145 (13) | 0.3731 (3) | 0.0415 (5) | |
H1 | 1.1227 | 0.1599 | 0.3941 | 0.062* | |
N2 | 1.14859 (19) | −0.32526 (15) | 0.1549 (4) | 0.0371 (6) | |
C2 | 0.7722 (2) | 0.1431 (2) | 0.1122 (4) | 0.0360 (7) | |
C4 | 0.9437 (3) | 0.20821 (18) | 0.2460 (4) | 0.0382 (7) | |
H4 | 0.9867 | 0.2584 | 0.2792 | 0.046* | |
C6 | 0.9226 (2) | 0.04896 (16) | 0.2385 (3) | 0.0277 (6) | |
C7 | 0.9520 (2) | −0.04566 (17) | 0.2865 (4) | 0.0278 (6) | |
C10 | 1.1577 (2) | −0.22868 (16) | 0.1617 (4) | 0.0288 (6) | |
O3 | 1.0998 (2) | −0.36325 (13) | 0.2761 (4) | 0.0542 (6) | |
C1 | 0.8133 (2) | 0.05953 (17) | 0.1519 (4) | 0.0308 (6) | |
H1A | 0.7685 | 0.0098 | 0.1212 | 0.037* | |
C5 | 0.9880 (2) | 0.12375 (17) | 0.2852 (4) | 0.0310 (6) | |
C3 | 0.8360 (3) | 0.21806 (18) | 0.1579 (4) | 0.0416 (7) | |
H3 | 0.8073 | 0.2744 | 0.1301 | 0.050* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.0456 (4) | 0.0718 (5) | 0.0467 (5) | 0.0250 (4) | −0.0078 (4) | 0.0019 (5) |
C9 | 0.0263 (11) | 0.0288 (13) | 0.0325 (14) | −0.0007 (11) | −0.0017 (12) | −0.0002 (13) |
O5 | 0.0297 (10) | 0.0354 (10) | 0.0517 (14) | 0.0080 (7) | 0.0065 (10) | −0.0029 (11) |
C8 | 0.0268 (11) | 0.0255 (13) | 0.0264 (13) | 0.0030 (10) | −0.0027 (11) | 0.0012 (12) |
N1 | 0.0252 (10) | 0.0286 (11) | 0.0332 (12) | 0.0016 (9) | 0.0005 (9) | 0.0046 (10) |
C12 | 0.0295 (12) | 0.0246 (12) | 0.0294 (13) | 0.0036 (10) | −0.0054 (11) | 0.0014 (12) |
O4 | 0.0604 (13) | 0.0333 (11) | 0.0693 (18) | 0.0061 (9) | 0.0146 (14) | −0.0093 (13) |
C13 | 0.0318 (13) | 0.0399 (16) | 0.061 (2) | −0.0034 (11) | 0.0084 (14) | 0.0076 (18) |
O2 | 0.0364 (10) | 0.0330 (11) | 0.0604 (14) | 0.0012 (8) | 0.0142 (10) | 0.0032 (11) |
C11 | 0.0273 (13) | 0.0304 (13) | 0.0305 (13) | 0.0042 (11) | −0.0046 (11) | 0.0007 (12) |
O1 | 0.0362 (10) | 0.0371 (10) | 0.0513 (13) | −0.0051 (9) | −0.0084 (10) | −0.0106 (11) |
N2 | 0.0312 (12) | 0.0285 (12) | 0.0515 (16) | 0.0056 (10) | 0.0002 (12) | 0.0020 (13) |
C2 | 0.0367 (15) | 0.0445 (16) | 0.0266 (15) | 0.0128 (13) | 0.0022 (12) | −0.0006 (12) |
C4 | 0.0492 (16) | 0.0279 (13) | 0.0376 (17) | −0.0043 (12) | 0.0070 (14) | −0.0041 (13) |
C6 | 0.0274 (12) | 0.0277 (13) | 0.0281 (14) | 0.0033 (10) | 0.0037 (11) | −0.0027 (12) |
C7 | 0.0273 (12) | 0.0266 (12) | 0.0294 (14) | −0.0022 (10) | −0.0009 (11) | −0.0044 (11) |
C10 | 0.0300 (13) | 0.0244 (13) | 0.0320 (14) | 0.0026 (10) | −0.0028 (11) | 0.0026 (12) |
O3 | 0.0534 (13) | 0.0370 (11) | 0.0720 (17) | 0.0006 (10) | 0.0165 (13) | 0.0192 (12) |
C1 | 0.0298 (13) | 0.0302 (14) | 0.0322 (14) | 0.0040 (11) | 0.0024 (12) | −0.0061 (12) |
C5 | 0.0308 (13) | 0.0328 (14) | 0.0295 (14) | −0.0021 (11) | 0.0056 (12) | −0.0050 (12) |
C3 | 0.0569 (18) | 0.0295 (15) | 0.0383 (16) | 0.0105 (13) | 0.0091 (15) | 0.0011 (14) |
Cl1—C2 | 1.746 (3) | C11—C10 | 1.447 (4) |
C9—C10 | 1.346 (4) | O1—C5 | 1.357 (3) |
C9—C8 | 1.407 (4) | O1—H1 | 0.8200 |
C9—H9 | 0.9300 | N2—O3 | 1.222 (4) |
O5—C11 | 1.225 (3) | N2—C10 | 1.455 (3) |
C8—C12 | 1.366 (3) | C2—C1 | 1.371 (4) |
C8—C7 | 1.485 (3) | C2—C3 | 1.377 (4) |
N1—C12 | 1.350 (3) | C4—C3 | 1.387 (4) |
N1—C11 | 1.404 (3) | C4—C5 | 1.394 (4) |
N1—C13 | 1.477 (3) | C4—H4 | 0.9300 |
C12—H12 | 0.9300 | C6—C5 | 1.386 (4) |
O4—N2 | 1.224 (3) | C6—C1 | 1.398 (4) |
C13—H13A | 0.9600 | C6—C7 | 1.504 (3) |
C13—H13B | 0.9600 | C1—H1A | 0.9300 |
C13—H13C | 0.9600 | C3—H3 | 0.9300 |
O2—C7 | 1.214 (3) | ||
C10—C9—C8 | 120.0 (2) | C1—C2—C3 | 121.2 (3) |
C10—C9—H9 | 120.0 | C1—C2—Cl1 | 118.5 (2) |
C8—C9—H9 | 120.0 | C3—C2—Cl1 | 120.3 (2) |
C12—C8—C9 | 117.5 (2) | C3—C4—C5 | 120.6 (3) |
C12—C8—C7 | 125.4 (2) | C3—C4—H4 | 119.7 |
C9—C8—C7 | 116.9 (2) | C5—C4—H4 | 119.7 |
C12—N1—C11 | 123.8 (2) | C5—C6—C1 | 119.3 (2) |
C12—N1—C13 | 119.5 (2) | C5—C6—C7 | 126.0 (2) |
C11—N1—C13 | 116.7 (2) | C1—C6—C7 | 114.5 (2) |
N1—C12—C8 | 122.2 (2) | O2—C7—C8 | 118.9 (2) |
N1—C12—H12 | 118.9 | O2—C7—C6 | 118.6 (2) |
C8—C12—H12 | 118.9 | C8—C7—C6 | 122.1 (2) |
N1—C13—H13A | 109.5 | C9—C10—C11 | 124.0 (2) |
N1—C13—H13B | 109.5 | C9—C10—N2 | 117.5 (2) |
H13A—C13—H13B | 109.5 | C11—C10—N2 | 118.5 (2) |
N1—C13—H13C | 109.5 | C2—C1—C6 | 120.1 (2) |
H13A—C13—H13C | 109.5 | C2—C1—H1A | 119.9 |
H13B—C13—H13C | 109.5 | C6—C1—H1A | 119.9 |
O5—C11—N1 | 120.0 (2) | O1—C5—C6 | 118.0 (2) |
O5—C11—C10 | 127.7 (2) | O1—C5—C4 | 122.3 (2) |
N1—C11—C10 | 112.2 (2) | C6—C5—C4 | 119.6 (3) |
C5—O1—H1 | 109.5 | C2—C3—C4 | 119.0 (2) |
O3—N2—O4 | 123.4 (2) | C2—C3—H3 | 120.5 |
O3—N2—C10 | 118.0 (3) | C4—C3—H3 | 120.5 |
O4—N2—C10 | 118.6 (3) | ||
C10—C9—C8—C12 | −3.9 (4) | N1—C11—C10—C9 | −0.9 (4) |
C10—C9—C8—C7 | 171.3 (3) | O5—C11—C10—N2 | −4.9 (4) |
C11—N1—C12—C8 | 3.3 (4) | N1—C11—C10—N2 | 177.1 (2) |
C13—N1—C12—C8 | −176.1 (3) | O3—N2—C10—C9 | −35.8 (4) |
C9—C8—C12—N1 | 0.3 (4) | O4—N2—C10—C9 | 140.7 (3) |
C7—C8—C12—N1 | −174.6 (2) | O3—N2—C10—C11 | 146.1 (3) |
C12—N1—C11—O5 | 178.9 (3) | O4—N2—C10—C11 | −37.4 (4) |
C13—N1—C11—O5 | −1.6 (3) | C3—C2—C1—C6 | −0.8 (4) |
C12—N1—C11—C10 | −2.9 (3) | Cl1—C2—C1—C6 | 179.4 (2) |
C13—N1—C11—C10 | 176.6 (2) | C5—C6—C1—C2 | 0.7 (4) |
C12—C8—C7—O2 | −173.3 (3) | C7—C6—C1—C2 | 175.3 (2) |
C9—C8—C7—O2 | 11.9 (4) | C1—C6—C5—O1 | 178.3 (2) |
C12—C8—C7—C6 | 13.9 (4) | C7—C6—C5—O1 | 4.4 (4) |
C9—C8—C7—C6 | −160.9 (2) | C1—C6—C5—C4 | 0.3 (4) |
C5—C6—C7—O2 | 124.2 (3) | C7—C6—C5—C4 | −173.6 (2) |
C1—C6—C7—O2 | −49.9 (3) | C3—C4—C5—O1 | −179.1 (3) |
C5—C6—C7—C8 | −62.9 (4) | C3—C4—C5—C6 | −1.2 (4) |
C1—C6—C7—C8 | 122.9 (3) | C1—C2—C3—C4 | −0.1 (4) |
C8—C9—C10—C11 | 4.3 (4) | Cl1—C2—C3—C4 | 179.7 (2) |
C8—C9—C10—N2 | −173.7 (2) | C5—C4—C3—C2 | 1.1 (4) |
O5—C11—C10—C9 | 177.1 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···O4i | 0.82 | 2.40 | 2.774 (3) | 109 |
O1—H1···O5i | 0.82 | 2.05 | 2.820 (3) | 157 |
C1—H1A···O4ii | 0.93 | 2.49 | 3.412 (3) | 169 |
C12—H12···O2iii | 0.93 | 2.56 | 3.111 (4) | 118 |
Symmetry codes: (i) −x+5/2, y+1/2, z+1/2; (ii) x−1/2, −y−1/2, z; (iii) −x+2, −y, z−1/2. |
Acknowledgements
The authors thank the Department of Chemistry, IIT, Chennai, for the data collection.
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