organic compounds
N-(2-hydroxy-5-methylphenyl)benzamide
ofaDepartamento de Química – Facultad de Ciencias Naturales y Exactas, Universidad del Valle, Apartado 25360, Santiago de Cali, Colombia, and bWestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow G1 1XL, Scotland
*Correspondence e-mail: rodimo26@yahoo.es
In the title compound, C14H13NO2, the mean plane of the non-H atoms of the central amide fragment C—N—C(=O)—C (r.m.s. deviation = 0.029 Å) forms dihedral angles of 5.63 (6) and 10.20 (5)° with the phenyl and hydroxyphenyl rings, respectively. A short intramolecular N—H⋯O contact is present. In the crystal, the molecules are linked by O—H⋯O hydrogen bonds to generate C(7) chains along [100]. The chains are reinforced by weak C—H⋯O contacts, which together with the O—H⋯O bonds lead to R22(7) loops. Very weak N—H⋯O interactions link the molecules into inversion dimers.
Keywords: crystal structure; benzamide; benzanilide derivatives; biological activity.
CCDC reference: 1434264
1. Related literature
For the biological activity of benzanilide derivatives, see Calderone et al. (2006). For related structures, see: Gowda et al. (2008); Rodrigues et al. (2011).
2. Experimental
2.1. Crystal data
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2.2. Data collection
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2.3. Refinement
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Data collection: CrysAlis PRO (Oxford Diffraction, 2010); cell CrysAlis PRO; data reduction: CrysAlis PRO; program(s) used to solve structure: SIR92 (Altomare et al., 1994); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and Mercury (Macrae et al., 2006); software used to prepare material for publication: WinGX (Farrugia, 2012).
Supporting information
CCDC reference: 1434264
https://doi.org/10.1107/S2056989015020575/hb7532sup1.cif
contains datablock I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S2056989015020575/hb7532Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S2056989015020575/hb7532Isup3.cml
The title molecule was synthesized taking 0.100 g (0.812 mmol) of 2-amino-4-methylphenol dissolved in acetonitrile (10 mL), and then was added benzoyl chloride (0.100 mL, 0.860 mmol). The solution was placed under reflux and constant stirring for 3 hours at 150°C. The solid was filtered and recrystallized from methanol. The solvent was evaporated at room temperature and pink crystals were obtained (m.p. 448 (1)K).
All H-atoms were positioned in geometrically idealized positions, C—H = 0.95 Å, and were refined using a riding-model approximation with Uiso(H) constrained to 1.2 times Ueq of the respective parent atom. H1 atom was found from the Fourier maps and its coordinates were refined freely.
The ═O1)—C1, is close to planar (r.m.s. deviation for all non-H atoms = 0.0291 Å) and it forms dihedral angles of 5.63 (6)° with the C1-C6 and 10.20 (5)° with the C8-C13 rings respectively. Bond lengths and bond angles in the molecule are in a good agreement with those found in the related compounds (II) and (III). The conformation of the N—H group is syn to the –OH substituent in the benzoyl ring, which results in a short intramolecular N—H···O contact. In the crystal (Fig. 2), molecules are linked by strong O-H···O hydrogen bonds and weak C-H···O intermolecular contacts. Indeed, the O2-H20 at (x,y,z) acts as a hydrogen-bond donor to O1 atom of the carbonyl group at (x+1,+y,+z) and the C6-H6 acts as a hydrogen-bond donor to O2 atom of the hydroxyl group at (x-1,+y,+z). These interactions generate C(7) chains of molecules and R22(7) rings (See Fig. 2), running along [100]. Additionally, the molecules are linked by N-H···O interactions. N1-H1 acts as a hydrogen-bond donor to O2 atom of the hydroxyl group at (-x+1,-y,-z+1), forming inversion dimers (Fig. 3).
determination of N-(2-hydroxy-5-methylphenyl)benzamide (I), is part of a study on phenylbenzamides carried out in our research group, and it was synthesized from the reaction between of 2-amino-4-methylphenol and benzoyl chloride in acetonitrile. Benzanilide systems have a wide range of biological properties such as potassium channel activators (Calderone et al., 2006). Similar compounds to (I) have been reported in the literature: 2-Methyl-N-(m-tolyl)benzamide (II) (Gowda et al., 2008) and N-(3,5-Dimethylphenyl)-4-methylbenzamide (III) (Rodrigues et al., 2011). The molecular structure of (I) is shown in Fig. 1. The central amide moiety, C8—N1-C7(For the biological activity of benzanilide derivatives, see Calderone et al. (2006). For related structures, see: Gowda et al. (2008); Rodrigues et al. (2011).
Data collection: CrysAlis PRO (Oxford Diffraction, 2010); cell
CrysAlis PRO (Oxford Diffraction, 2010); data reduction: CrysAlis PRO (Oxford Diffraction, 2010); program(s) used to solve structure: SIR92 (Altomare et al., 1994); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and Mercury (Macrae et al., 2006); software used to prepare material for publication: WinGX (Farrugia, 2012).Fig. 1. The molecular structure of (I) with displacement ellipsoids drawn at the 50% probability level. H atoms are shown as spheres of arbitrary radius. | |
Fig. 2. Part of the crystal structure of (I), showing the formation of C(7) chains of molecules along [100] [Symmetry codes: (i) x + 1, +y, +z; (ii) x - 1, +y, +z]. | |
Fig. 3. Part of the crystal structure of (I), showing the formation of dimers along [001]. [Symmetry codes: (iii) -x + 1, -y, -z + 1]. |
C14H13NO2 | Dx = 1.370 Mg m−3 |
Mr = 227.25 | Melting point: 448(1) K |
Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
a = 7.2263 (3) Å | Cell parameters from 10254 reflections |
b = 21.7442 (7) Å | θ = 3.4–29.4° |
c = 7.4747 (3) Å | µ = 0.09 mm−1 |
β = 110.280 (5)° | T = 123 K |
V = 1101.69 (8) Å3 | Block, pink |
Z = 4 | 0.40 × 0.35 × 0.25 mm |
F(000) = 480 |
Oxford Diffraction Gemini S CCD diffractometer | 2332 reflections with I > 2σ(I) |
Radiation source: fine-focus sealed tube | Rint = 0.032 |
Graphite monochromator | θmax = 29.4°, θmin = 3.4° |
ω scans | h = −9→9 |
10254 measured reflections | k = −30→30 |
2795 independent reflections | l = −9→10 |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.043 | Hydrogen site location: mixed |
wR(F2) = 0.109 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.03 | w = 1/[σ2(Fo2) + (0.0448P)2 + 0.5141P] where P = (Fo2 + 2Fc2)/3 |
2795 reflections | (Δ/σ)max < 0.001 |
163 parameters | Δρmax = 0.33 e Å−3 |
0 restraints | Δρmin = −0.27 e Å−3 |
C14H13NO2 | V = 1101.69 (8) Å3 |
Mr = 227.25 | Z = 4 |
Monoclinic, P21/n | Mo Kα radiation |
a = 7.2263 (3) Å | µ = 0.09 mm−1 |
b = 21.7442 (7) Å | T = 123 K |
c = 7.4747 (3) Å | 0.40 × 0.35 × 0.25 mm |
β = 110.280 (5)° |
Oxford Diffraction Gemini S CCD diffractometer | 2332 reflections with I > 2σ(I) |
10254 measured reflections | Rint = 0.032 |
2795 independent reflections |
R[F2 > 2σ(F2)] = 0.043 | 0 restraints |
wR(F2) = 0.109 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.03 | Δρmax = 0.33 e Å−3 |
2795 reflections | Δρmin = −0.27 e Å−3 |
163 parameters |
Experimental. The IR spectrum was recorded on a FT—IR SHIMADZU IR-Affinity-1 spectrophotometer. IR (KBr), cm-1, 3395 (amide N-H); 3073 (Hydroxyl O-H), 1643 (amide, C=O); 1593 (C=C). |
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. |
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 | ||
O2 | 0.55117 (13) | 0.05937 (4) | 0.41236 (14) | 0.0204 (2) | |
O1 | −0.14306 (13) | 0.07692 (4) | 0.30232 (14) | 0.0214 (2) | |
N1 | 0.17579 (15) | 0.05132 (5) | 0.36397 (15) | 0.0166 (2) | |
C1 | −0.07846 (17) | −0.02289 (5) | 0.20522 (16) | 0.0153 (2) | |
C2 | 0.05257 (19) | −0.06486 (6) | 0.17363 (18) | 0.0192 (3) | |
H2 | 0.1892 | −0.0554 | 0.2136 | 0.023* | |
C3 | −0.0159 (2) | −0.12053 (6) | 0.08386 (19) | 0.0222 (3) | |
H3 | 0.0743 | −0.1490 | 0.0632 | 0.027* | |
C4 | −0.2145 (2) | −0.13469 (6) | 0.02438 (18) | 0.0217 (3) | |
H4 | −0.2607 | −0.1728 | −0.0371 | 0.026* | |
C5 | −0.34605 (19) | −0.09320 (6) | 0.05467 (19) | 0.0224 (3) | |
H5 | −0.4827 | −0.1028 | 0.0136 | 0.027* | |
C6 | −0.27845 (18) | −0.03785 (6) | 0.14471 (18) | 0.0193 (3) | |
H6 | −0.3693 | −0.0097 | 0.1656 | 0.023* | |
C7 | −0.01844 (17) | 0.03897 (5) | 0.29485 (17) | 0.0150 (2) | |
C8 | 0.26922 (17) | 0.10733 (5) | 0.43855 (17) | 0.0149 (2) | |
C13 | 0.17867 (18) | 0.15716 (6) | 0.48997 (17) | 0.0172 (3) | |
H13 | 0.0430 | 0.1547 | 0.4756 | 0.021* | |
C12 | 0.28408 (19) | 0.21075 (6) | 0.56243 (18) | 0.0186 (3) | |
C11 | 0.48182 (19) | 0.21370 (6) | 0.58174 (18) | 0.0202 (3) | |
H11 | 0.5548 | 0.2501 | 0.6301 | 0.024* | |
C10 | 0.57479 (18) | 0.16395 (6) | 0.53108 (18) | 0.0195 (3) | |
H10 | 0.7104 | 0.1666 | 0.5452 | 0.023* | |
C9 | 0.46985 (17) | 0.11075 (5) | 0.46028 (17) | 0.0157 (2) | |
C14 | 0.1817 (2) | 0.26392 (6) | 0.6182 (2) | 0.0258 (3) | |
H141 | 0.2788 | 0.2956 | 0.6812 | 0.039* | |
H142 | 0.1168 | 0.2495 | 0.7059 | 0.039* | |
H143 | 0.0827 | 0.2813 | 0.5038 | 0.039* | |
H1 | 0.258 (2) | 0.0217 (8) | 0.357 (2) | 0.031 (4)* | |
H20 | 0.658 (3) | 0.0685 (9) | 0.383 (3) | 0.047 (6)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O2 | 0.0158 (4) | 0.0173 (4) | 0.0316 (5) | 0.0009 (3) | 0.0126 (4) | −0.0013 (4) |
O1 | 0.0150 (4) | 0.0177 (4) | 0.0333 (5) | 0.0005 (3) | 0.0108 (4) | −0.0022 (4) |
N1 | 0.0129 (5) | 0.0147 (5) | 0.0224 (5) | 0.0010 (4) | 0.0063 (4) | −0.0027 (4) |
C1 | 0.0170 (6) | 0.0148 (5) | 0.0142 (5) | −0.0004 (4) | 0.0056 (4) | 0.0008 (4) |
C2 | 0.0161 (6) | 0.0200 (6) | 0.0210 (6) | 0.0009 (5) | 0.0056 (5) | −0.0008 (5) |
C3 | 0.0235 (7) | 0.0188 (6) | 0.0240 (6) | 0.0027 (5) | 0.0078 (5) | −0.0030 (5) |
C4 | 0.0267 (7) | 0.0172 (6) | 0.0190 (6) | −0.0028 (5) | 0.0051 (5) | −0.0012 (5) |
C5 | 0.0186 (6) | 0.0230 (6) | 0.0238 (6) | −0.0047 (5) | 0.0051 (5) | −0.0013 (5) |
C6 | 0.0162 (6) | 0.0197 (6) | 0.0220 (6) | 0.0008 (5) | 0.0065 (5) | −0.0002 (5) |
C7 | 0.0143 (5) | 0.0156 (6) | 0.0164 (5) | 0.0010 (4) | 0.0069 (4) | 0.0014 (4) |
C8 | 0.0145 (6) | 0.0150 (5) | 0.0146 (5) | −0.0003 (4) | 0.0043 (4) | 0.0009 (4) |
C13 | 0.0161 (6) | 0.0180 (6) | 0.0180 (6) | 0.0012 (4) | 0.0065 (5) | −0.0001 (4) |
C12 | 0.0227 (6) | 0.0155 (6) | 0.0178 (6) | 0.0015 (5) | 0.0073 (5) | 0.0006 (4) |
C11 | 0.0230 (7) | 0.0149 (6) | 0.0222 (6) | −0.0034 (5) | 0.0071 (5) | 0.0006 (5) |
C10 | 0.0152 (6) | 0.0195 (6) | 0.0238 (6) | −0.0019 (5) | 0.0069 (5) | 0.0027 (5) |
C9 | 0.0153 (6) | 0.0156 (5) | 0.0172 (6) | 0.0022 (4) | 0.0070 (5) | 0.0022 (4) |
C14 | 0.0297 (7) | 0.0184 (6) | 0.0308 (7) | 0.0023 (5) | 0.0125 (6) | −0.0044 (5) |
O2—C9 | 1.3667 (14) | C5—H5 | 0.9500 |
O2—H20 | 0.89 (2) | C6—H6 | 0.9500 |
O1—C7 | 1.2369 (14) | C8—C13 | 1.3871 (16) |
N1—C7 | 1.3440 (15) | C8—C9 | 1.4038 (16) |
N1—C8 | 1.4103 (15) | C13—C12 | 1.3949 (17) |
N1—H1 | 0.889 (18) | C13—H13 | 0.9500 |
C1—C2 | 1.3929 (17) | C12—C11 | 1.3870 (18) |
C1—C6 | 1.3949 (17) | C12—C14 | 1.5074 (17) |
C1—C7 | 1.4984 (16) | C11—C10 | 1.3933 (18) |
C2—C3 | 1.3893 (17) | C11—H11 | 0.9500 |
C2—H2 | 0.9500 | C10—C9 | 1.3838 (17) |
C3—C4 | 1.3818 (19) | C10—H10 | 0.9500 |
C3—H3 | 0.9500 | C14—H141 | 0.9800 |
C4—C5 | 1.3849 (19) | C14—H142 | 0.9800 |
C4—H4 | 0.9500 | C14—H143 | 0.9800 |
C5—C6 | 1.3829 (18) | ||
C9—O2—H20 | 111.6 (12) | C13—C8—C9 | 119.61 (11) |
C7—N1—C8 | 128.14 (10) | C13—C8—N1 | 125.23 (11) |
C7—N1—H1 | 117.3 (11) | C9—C8—N1 | 115.16 (10) |
C8—N1—H1 | 114.4 (11) | C8—C13—C12 | 120.90 (11) |
C2—C1—C6 | 118.75 (11) | C8—C13—H13 | 119.5 |
C2—C1—C7 | 123.75 (11) | C12—C13—H13 | 119.5 |
C6—C1—C7 | 117.46 (10) | C11—C12—C13 | 118.90 (11) |
C3—C2—C1 | 120.22 (12) | C11—C12—C14 | 121.51 (12) |
C3—C2—H2 | 119.9 | C13—C12—C14 | 119.59 (11) |
C1—C2—H2 | 119.9 | C12—C11—C10 | 120.82 (11) |
C4—C3—C2 | 120.39 (12) | C12—C11—H11 | 119.6 |
C4—C3—H3 | 119.8 | C10—C11—H11 | 119.6 |
C2—C3—H3 | 119.8 | C9—C10—C11 | 120.07 (11) |
C3—C4—C5 | 119.83 (12) | C9—C10—H10 | 120.0 |
C3—C4—H4 | 120.1 | C11—C10—H10 | 120.0 |
C5—C4—H4 | 120.1 | O2—C9—C10 | 123.73 (11) |
C6—C5—C4 | 119.99 (12) | O2—C9—C8 | 116.55 (10) |
C6—C5—H5 | 120.0 | C10—C9—C8 | 119.71 (11) |
C4—C5—H5 | 120.0 | C12—C14—H141 | 109.5 |
C5—C6—C1 | 120.81 (12) | C12—C14—H142 | 109.5 |
C5—C6—H6 | 119.6 | H141—C14—H142 | 109.5 |
C1—C6—H6 | 119.6 | C12—C14—H143 | 109.5 |
O1—C7—N1 | 121.94 (11) | H141—C14—H143 | 109.5 |
O1—C7—C1 | 121.11 (11) | H142—C14—H143 | 109.5 |
N1—C7—C1 | 116.95 (10) | ||
C6—C1—C2—C3 | −0.16 (18) | C7—N1—C8—C9 | −166.27 (11) |
C7—C1—C2—C3 | −177.86 (11) | C9—C8—C13—C12 | 0.22 (18) |
C1—C2—C3—C4 | 0.27 (19) | N1—C8—C13—C12 | −179.91 (11) |
C2—C3—C4—C5 | −0.10 (19) | C8—C13—C12—C11 | 0.28 (18) |
C3—C4—C5—C6 | −0.2 (2) | C8—C13—C12—C14 | −179.59 (12) |
C4—C5—C6—C1 | 0.3 (2) | C13—C12—C11—C10 | −0.44 (19) |
C2—C1—C6—C5 | −0.12 (18) | C14—C12—C11—C10 | 179.44 (12) |
C7—C1—C6—C5 | 177.72 (11) | C12—C11—C10—C9 | 0.08 (19) |
C8—N1—C7—O1 | −5.48 (19) | C11—C10—C9—O2 | −178.11 (11) |
C8—N1—C7—C1 | 173.71 (10) | C11—C10—C9—C8 | 0.44 (18) |
C2—C1—C7—O1 | 172.66 (12) | C13—C8—C9—O2 | 178.06 (11) |
C6—C1—C7—O1 | −5.06 (17) | N1—C8—C9—O2 | −1.82 (15) |
C2—C1—C7—N1 | −6.54 (17) | C13—C8—C9—C10 | −0.59 (17) |
C6—C1—C7—N1 | 175.74 (11) | N1—C8—C9—C10 | 179.54 (11) |
C7—N1—C8—C13 | 13.9 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1···O2 | 0.889 (18) | 2.173 (16) | 2.6153 (15) | 110.0 (13) |
N1—H1···O2i | 0.889 (18) | 2.518 (17) | 3.1928 (14) | 133.1 (14) |
O2—H20···O1ii | 0.89 (2) | 1.75 (2) | 2.6390 (12) | 171.3 (19) |
C6—H6···O2iii | 0.95 | 2.59 | 3.4197 (15) | 146 |
Symmetry codes: (i) −x+1, −y, −z+1; (ii) x+1, y, z; (iii) x−1, y, z. |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1···O2 | 0.889 (18) | 2.173 (16) | 2.6153 (15) | 110.0 (13) |
N1—H1···O2i | 0.889 (18) | 2.518 (17) | 3.1928 (14) | 133.1 (14) |
O2—H20···O1ii | 0.89 (2) | 1.75 (2) | 2.6390 (12) | 171.3 (19) |
C6—H6···O2iii | 0.95 | 2.59 | 3.4197 (15) | 146 |
Symmetry codes: (i) −x+1, −y, −z+1; (ii) x+1, y, z; (iii) x−1, y, z. |
Acknowledgements
RMF is grateful to the Universidad del Valle, Colombia, for partial financial support.
References
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The crystal structure determination of N-(2-hydroxy-5-methylphenyl)benzamide (I), is part of a study on phenylbenzamides carried out in our research group, and it was synthesized from the reaction between of 2-amino-4-methylphenol and benzoyl chloride in acetonitrile. Benzanilide systems have a wide range of biological properties such as potassium channel activators (Calderone et al., 2006). Similar compounds to (I) have been reported in the literature: 2-Methyl-N-(m-tolyl)benzamide (II) (Gowda et al., 2008) and N-(3,5-Dimethylphenyl)-4-methylbenzamide (III) (Rodrigues et al., 2011). The molecular structure of (I) is shown in Fig. 1. The central amide moiety, C8—N1-C7(═O1)—C1, is close to planar (r.m.s. deviation for all non-H atoms = 0.0291 Å) and it forms dihedral angles of 5.63 (6)° with the C1-C6 and 10.20 (5)° with the C8-C13 rings respectively. Bond lengths and bond angles in the molecule are in a good agreement with those found in the related compounds (II) and (III). The conformation of the N—H group is syn to the –OH substituent in the benzoyl ring, which results in a short intramolecular N—H···O contact. In the crystal (Fig. 2), molecules are linked by strong O-H···O hydrogen bonds and weak C-H···O intermolecular contacts. Indeed, the O2-H20 at (x,y,z) acts as a hydrogen-bond donor to O1 atom of the carbonyl group at (x+1,+y,+z) and the C6-H6 acts as a hydrogen-bond donor to O2 atom of the hydroxyl group at (x-1,+y,+z). These interactions generate C(7) chains of molecules and R22(7) rings (See Fig. 2), running along [100]. Additionally, the molecules are linked by N-H···O interactions. N1-H1 acts as a hydrogen-bond donor to O2 atom of the hydroxyl group at (-x+1,-y,-z+1), forming inversion dimers (Fig. 3).