organic compounds
N-Acetyl-N-[2,4-dicyano-1-(4-methoxyphenyl)-9,10-dihydrophenanthren-3-yl]acetamide
aChemistry Department, Faculty of Science, King Abdulaziz University, PO Box 80203, Jeddah, Saudi Arabia, bThe Center of Excellence for Advanced Materials Research, King Abdulaziz University, Jeddah, PO Box 80203, Saudi Arabia, and cDepartment of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia
*Correspondence e-mail: edward.tiekink@gmail.com
In the title compound, C27H21N3O3, the cyclohexa-1,3-diene ring has a screw-boat conformation, and the fused ring system is folded, the dihedral angle between the outer benzene rings being 27.61 (6)°. The N-acetylacetamide residue (r.m.s. deviation = 0.0935 Å) has an anti conformation and is essentially perpendicular to the benzene ring to which it is connected [dihedral angle = 89.14 (6)°]; the methoxybenzene group is also twisted out of this ring [dihedral angle = 59.47 (7)°]. The three-dimensional architecture is consolidated by C—H⋯O and C—H⋯π interactions.
Related literature
For background to the biological activity of related phenanthrene compounds, see: Wang et al. (2010); Rostom et al. (2011). For related structures, see: Asiri et al. (2011); Al-Youbi et al. (2012). For additional see: Cremer & Pople (1975).
Experimental
Crystal data
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Refinement
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Data collection: CrysAlis PRO (Agilent, 2011); cell CrysAlis PRO; data reduction: CrysAlis PRO; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: X-SEED (Barbour, 2001) and DIAMOND (Brandenburg, 2006); software used to prepare material for publication: publCIF (Westrip, 2010).
Supporting information
10.1107/S160053681201210X/lh5437sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S160053681201210X/lh5437Isup2.hkl
Supporting information file. DOI: 10.1107/S160053681201210X/lh5437Isup3.cml
A mixture of 3-amino-1-(4-methoxyphenyl)-9,10- dihydrophenanthrene-2,4-dicarbonitrile (0.01 mmol), acetic anhydride (5 ml) and conc. H2SO4 (0.5 ml) was heated over a boiling water bath for 10 min. The solution was cooled, poured onto ice-cold water, treated with 20% NaOH solution till alkaline (pH = 11). The crude solid product was filtered and recrystallized from ethanol. Yield: 68%. M.pt: 455–457 K.
Carbon-bound H-atoms were placed in calculated positions [C—H = 0.95 to 0.99 Å, Uiso(H) = 1.2 to 1.5Ueq(C)] and were included in the
in the riding model approximation.The biological activity of phenanthrene compounds (Wang et al. 2010; Rostom et al., 2011), has motivated structural studies on these systems Asiri et al., 2011; Al-Youbi et al., 2012) and led to the characterization of the title compound, (I).
In (I), Fig. 1, the cyclohexa-1,3-diene ring has a screw-boat conformation as quantified by the following geometric parameters (Cremer & Pople, 1975): puckering parameters q2 = 0.499 (2) Å and q3 = 0.176 (2) Å, and amplitudes: Q = 0.529 (2) Å, θ = 70.6 (2)° and φ2 = 91.2 (3)°. The benzene rings of the 1,2-dihydronaphthalene and methoxybenzene residues form dihedral angles of 27.61 (6) and 59.47 (7)°, respectively, with the central dicyanobenzene ring, indicating a fold in the fused ring system and a twist of the methoxybenzene ring out of the plane of the benzene ring to which it is connected. The N-acetylacetamide residue has an anti conformation and is essentially planar. The r.m.s. deviation for the seven fitted atoms = 0.0935 Å with maximum deviations of 0.1476 (15) Å for the O2 atom and -0.1378 (15) Å for the C19 atom. This residue is inclined in a perpendicular fashion with respect to the benzene ring to which it is connected, forming a dihedral angle of 89.14 (6)°.
The three-dimensional architecture of (I) is stabilized by C—H···O and C—H···π interactions, Fig. 2 and Table 1. Notably, the O2 atom of the N-acetylacetamide, i.e. the oxygen atom residue directed away from the rest of the molecule, participates in three C—H···O interactions, Table 1.
For background to the biological activity of related phenanthrene compounds, see: Wang et al. (2010); Rostom et al. (2011). For related structures, see: Asiri et al. (2011); Al-Youbi et al. (2012). For additional
see: Cremer & Pople (1975).Data collection: CrysAlis PRO (Agilent, 2011); cell
CrysAlis PRO (Agilent, 2011); data reduction: CrysAlis PRO (Agilent, 2011); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: X-SEED (Barbour, 2001) and DIAMOND (Brandenburg, 2006); software used to prepare material for publication: publCIF (Westrip, 2010).Fig. 1. The molecular structure of (I) showing the atom-labelling scheme and displacement ellipsoids at the 70% probability level. | |
Fig. 2. A view in projection down the a axis of the unit-cell contents of (I). The C—H···O and C—H···π interactions are shown as orange and purple dashed lines, respectively. |
C27H21N3O3 | F(000) = 1824 |
Mr = 435.47 | Dx = 1.297 Mg m−3 |
Orthorhombic, Pbca | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ac 2ab | Cell parameters from 2867 reflections |
a = 8.3321 (4) Å | θ = 2.4–27.5° |
b = 19.4037 (11) Å | µ = 0.09 mm−1 |
c = 27.5887 (14) Å | T = 100 K |
V = 4460.4 (4) Å3 | Prism, light-brown |
Z = 8 | 0.40 × 0.20 × 0.10 mm |
Agilent SuperNova Dual diffractometer with an Atlas detector | 5106 independent reflections |
Radiation source: SuperNova (Mo) X-ray Source | 3488 reflections with I > 2σ(I) |
Mirror monochromator | Rint = 0.041 |
Detector resolution: 10.4041 pixels mm-1 | θmax = 27.6°, θmin = 2.6° |
ω scan | h = −10→7 |
Absorption correction: multi-scan (CrysAlis PRO; Agilent, 2011) | k = −13→25 |
Tmin = 0.966, Tmax = 0.991 | l = −35→21 |
11528 measured reflections |
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)] = 0.061 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.166 | H-atom parameters constrained |
S = 1.02 | w = 1/[σ2(Fo2) + (0.0647P)2 + 2.7824P] where P = (Fo2 + 2Fc2)/3 |
5106 reflections | (Δ/σ)max = 0.001 |
300 parameters | Δρmax = 0.39 e Å−3 |
0 restraints | Δρmin = −0.29 e Å−3 |
C27H21N3O3 | V = 4460.4 (4) Å3 |
Mr = 435.47 | Z = 8 |
Orthorhombic, Pbca | Mo Kα radiation |
a = 8.3321 (4) Å | µ = 0.09 mm−1 |
b = 19.4037 (11) Å | T = 100 K |
c = 27.5887 (14) Å | 0.40 × 0.20 × 0.10 mm |
Agilent SuperNova Dual diffractometer with an Atlas detector | 5106 independent reflections |
Absorption correction: multi-scan (CrysAlis PRO; Agilent, 2011) | 3488 reflections with I > 2σ(I) |
Tmin = 0.966, Tmax = 0.991 | Rint = 0.041 |
11528 measured reflections |
R[F2 > 2σ(F2)] = 0.061 | 0 restraints |
wR(F2) = 0.166 | H-atom parameters constrained |
S = 1.02 | Δρmax = 0.39 e Å−3 |
5106 reflections | Δρmin = −0.29 e Å−3 |
300 parameters |
x | y | z | Uiso*/Ueq | ||
O1 | 0.2784 (2) | 0.49381 (8) | 0.63579 (6) | 0.0326 (4) | |
O2 | −0.1406 (2) | 0.59674 (9) | 0.61677 (7) | 0.0403 (5) | |
O3 | 0.0262 (2) | 0.10850 (9) | 0.47080 (6) | 0.0332 (4) | |
N1 | 0.0632 (3) | 0.51602 (11) | 0.74941 (8) | 0.0433 (6) | |
N2 | 0.0092 (2) | 0.49981 (9) | 0.62945 (7) | 0.0213 (4) | |
N3 | −0.0310 (3) | 0.41448 (11) | 0.51859 (8) | 0.0392 (6) | |
C1 | 0.0157 (2) | 0.28935 (11) | 0.67074 (8) | 0.0189 (5) | |
C2 | 0.0293 (3) | 0.21508 (11) | 0.68718 (8) | 0.0210 (5) | |
H2A | 0.0725 | 0.1866 | 0.6604 | 0.025* | |
H2B | −0.0785 | 0.1973 | 0.6956 | 0.025* | |
C3 | 0.1396 (3) | 0.20966 (11) | 0.73113 (8) | 0.0217 (5) | |
H3A | 0.1433 | 0.1613 | 0.7426 | 0.026* | |
H3B | 0.2497 | 0.2237 | 0.7220 | 0.026* | |
C4 | 0.0780 (2) | 0.25552 (11) | 0.77096 (8) | 0.0205 (5) | |
C5 | 0.0778 (3) | 0.23518 (12) | 0.81939 (8) | 0.0245 (5) | |
H5 | 0.1225 | 0.1918 | 0.8280 | 0.029* | |
C6 | 0.0133 (3) | 0.27708 (13) | 0.85540 (8) | 0.0273 (5) | |
H6 | 0.0167 | 0.2629 | 0.8883 | 0.033* | |
C7 | −0.0557 (3) | 0.33955 (13) | 0.84298 (8) | 0.0269 (5) | |
H7 | −0.1024 | 0.3677 | 0.8674 | 0.032* | |
C8 | −0.0567 (3) | 0.36109 (12) | 0.79510 (8) | 0.0241 (5) | |
H8 | −0.1048 | 0.4039 | 0.7869 | 0.029* | |
C9 | 0.0125 (3) | 0.32038 (11) | 0.75861 (8) | 0.0206 (5) | |
C10 | 0.0137 (3) | 0.34111 (11) | 0.70697 (8) | 0.0200 (5) | |
C11 | 0.0169 (3) | 0.41078 (11) | 0.69237 (8) | 0.0202 (5) | |
C12 | 0.0090 (3) | 0.42839 (11) | 0.64368 (8) | 0.0222 (5) | |
C13 | 0.0038 (3) | 0.37711 (11) | 0.60844 (8) | 0.0204 (5) | |
C14 | 0.0111 (2) | 0.30663 (11) | 0.62148 (8) | 0.0189 (4) | |
C15 | 0.0407 (3) | 0.46807 (12) | 0.72585 (9) | 0.0295 (5) | |
C16 | −0.2878 (3) | 0.49315 (14) | 0.63111 (11) | 0.0379 (6) | |
H16A | −0.3823 | 0.5230 | 0.6288 | 0.057* | |
H16B | −0.2863 | 0.4705 | 0.6629 | 0.057* | |
H16C | −0.2922 | 0.4582 | 0.6055 | 0.057* | |
C17 | −0.1384 (3) | 0.53571 (12) | 0.62517 (9) | 0.0288 (5) | |
C18 | 0.1648 (3) | 0.52930 (12) | 0.62423 (8) | 0.0247 (5) | |
C19 | 0.1828 (3) | 0.60013 (12) | 0.60405 (9) | 0.0336 (6) | |
H19A | 0.2963 | 0.6091 | 0.5971 | 0.050* | |
H19B | 0.1436 | 0.6338 | 0.6277 | 0.050* | |
H19C | 0.1204 | 0.6040 | 0.5741 | 0.050* | |
C20 | −0.0140 (3) | 0.39733 (12) | 0.55834 (9) | 0.0268 (5) | |
C21 | 0.0139 (3) | 0.25367 (11) | 0.58236 (8) | 0.0200 (5) | |
C22 | 0.1360 (3) | 0.25280 (12) | 0.54760 (8) | 0.0251 (5) | |
H22 | 0.2192 | 0.2862 | 0.5492 | 0.030* | |
C23 | 0.1380 (3) | 0.20432 (12) | 0.51101 (8) | 0.0266 (5) | |
H23 | 0.2224 | 0.2042 | 0.4879 | 0.032* | |
C24 | 0.0150 (3) | 0.15530 (12) | 0.50807 (8) | 0.0243 (5) | |
C25 | −0.1080 (3) | 0.15542 (11) | 0.54194 (8) | 0.0223 (5) | |
H25 | −0.1922 | 0.1226 | 0.5399 | 0.027* | |
C26 | −0.1067 (3) | 0.20427 (11) | 0.57908 (8) | 0.0205 (5) | |
H26 | −0.1900 | 0.2038 | 0.6026 | 0.025* | |
C27 | −0.1006 (3) | 0.06072 (15) | 0.46578 (10) | 0.0420 (7) | |
H27A | −0.0789 | 0.0304 | 0.4381 | 0.063* | |
H27B | −0.2014 | 0.0855 | 0.4603 | 0.063* | |
H27C | −0.1093 | 0.0331 | 0.4954 | 0.063* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0286 (9) | 0.0278 (9) | 0.0413 (10) | −0.0001 (7) | −0.0040 (8) | 0.0001 (8) |
O2 | 0.0445 (11) | 0.0217 (9) | 0.0548 (12) | 0.0075 (8) | −0.0187 (9) | −0.0036 (8) |
O3 | 0.0439 (10) | 0.0312 (9) | 0.0244 (9) | −0.0042 (8) | 0.0033 (8) | −0.0079 (7) |
N1 | 0.0689 (17) | 0.0307 (12) | 0.0303 (11) | −0.0073 (12) | −0.0001 (12) | −0.0032 (10) |
N2 | 0.0276 (10) | 0.0130 (9) | 0.0234 (9) | 0.0005 (7) | −0.0038 (8) | 0.0006 (7) |
N3 | 0.0618 (15) | 0.0267 (11) | 0.0291 (12) | −0.0033 (11) | −0.0083 (11) | 0.0036 (9) |
C1 | 0.0163 (10) | 0.0169 (11) | 0.0235 (11) | −0.0004 (8) | 0.0023 (9) | 0.0018 (9) |
C2 | 0.0236 (11) | 0.0179 (11) | 0.0217 (11) | 0.0010 (9) | −0.0001 (9) | 0.0039 (9) |
C3 | 0.0211 (11) | 0.0203 (11) | 0.0237 (11) | 0.0020 (9) | −0.0015 (9) | 0.0035 (9) |
C4 | 0.0156 (10) | 0.0226 (11) | 0.0232 (11) | −0.0022 (8) | −0.0014 (9) | 0.0019 (9) |
C5 | 0.0209 (11) | 0.0274 (12) | 0.0252 (12) | 0.0025 (9) | −0.0028 (9) | 0.0064 (10) |
C6 | 0.0261 (12) | 0.0351 (14) | 0.0208 (11) | −0.0021 (10) | −0.0005 (10) | 0.0044 (10) |
C7 | 0.0270 (12) | 0.0300 (13) | 0.0238 (11) | 0.0001 (10) | 0.0016 (10) | −0.0025 (10) |
C8 | 0.0230 (11) | 0.0227 (12) | 0.0267 (12) | −0.0003 (9) | 0.0006 (10) | −0.0011 (9) |
C9 | 0.0177 (10) | 0.0205 (11) | 0.0237 (11) | −0.0018 (9) | −0.0014 (9) | 0.0006 (9) |
C10 | 0.0170 (10) | 0.0199 (11) | 0.0230 (11) | 0.0005 (8) | −0.0003 (9) | 0.0023 (9) |
C11 | 0.0223 (11) | 0.0178 (11) | 0.0204 (11) | 0.0010 (9) | −0.0012 (9) | −0.0010 (9) |
C12 | 0.0238 (11) | 0.0167 (11) | 0.0261 (12) | 0.0015 (9) | −0.0022 (9) | −0.0001 (9) |
C13 | 0.0226 (11) | 0.0190 (11) | 0.0196 (10) | −0.0014 (9) | −0.0016 (9) | 0.0005 (8) |
C14 | 0.0182 (10) | 0.0171 (11) | 0.0215 (10) | −0.0010 (8) | 0.0009 (9) | 0.0015 (9) |
C15 | 0.0393 (14) | 0.0232 (12) | 0.0259 (12) | −0.0004 (11) | 0.0007 (11) | 0.0005 (10) |
C16 | 0.0293 (13) | 0.0353 (15) | 0.0490 (16) | 0.0035 (11) | −0.0028 (12) | 0.0001 (12) |
C17 | 0.0349 (13) | 0.0248 (13) | 0.0266 (12) | 0.0042 (10) | −0.0079 (11) | −0.0037 (10) |
C18 | 0.0326 (13) | 0.0219 (12) | 0.0195 (11) | −0.0005 (10) | −0.0038 (10) | −0.0044 (9) |
C19 | 0.0438 (15) | 0.0241 (13) | 0.0328 (13) | −0.0054 (11) | −0.0042 (12) | 0.0029 (10) |
C20 | 0.0372 (13) | 0.0158 (11) | 0.0273 (12) | −0.0028 (10) | −0.0025 (11) | 0.0003 (9) |
C21 | 0.0236 (11) | 0.0172 (10) | 0.0191 (10) | 0.0040 (9) | −0.0006 (9) | 0.0045 (8) |
C22 | 0.0266 (12) | 0.0220 (12) | 0.0269 (12) | −0.0024 (9) | 0.0037 (10) | 0.0038 (9) |
C23 | 0.0307 (12) | 0.0248 (12) | 0.0244 (11) | 0.0008 (10) | 0.0086 (10) | 0.0034 (9) |
C24 | 0.0330 (13) | 0.0227 (11) | 0.0173 (10) | 0.0040 (10) | −0.0006 (10) | 0.0000 (9) |
C25 | 0.0223 (11) | 0.0219 (11) | 0.0226 (11) | −0.0016 (9) | −0.0007 (9) | −0.0004 (9) |
C26 | 0.0220 (11) | 0.0203 (11) | 0.0193 (10) | 0.0014 (9) | 0.0017 (9) | 0.0009 (9) |
C27 | 0.0426 (16) | 0.0434 (16) | 0.0400 (15) | −0.0022 (13) | −0.0020 (13) | −0.0141 (13) |
O1—C18 | 1.213 (3) | C10—C11 | 1.411 (3) |
O2—C17 | 1.207 (3) | C11—C12 | 1.388 (3) |
O3—C24 | 1.375 (3) | C11—C15 | 1.459 (3) |
O3—C27 | 1.412 (3) | C12—C13 | 1.392 (3) |
N1—C15 | 1.150 (3) | C13—C14 | 1.415 (3) |
N2—C17 | 1.418 (3) | C13—C20 | 1.445 (3) |
N2—C18 | 1.425 (3) | C14—C21 | 1.490 (3) |
N2—C12 | 1.440 (3) | C16—C17 | 1.503 (4) |
N3—C20 | 1.155 (3) | C16—H16A | 0.9800 |
C1—C14 | 1.400 (3) | C16—H16B | 0.9800 |
C1—C10 | 1.417 (3) | C16—H16C | 0.9800 |
C1—C2 | 1.515 (3) | C18—C19 | 1.490 (3) |
C2—C3 | 1.525 (3) | C19—H19A | 0.9800 |
C2—H2A | 0.9900 | C19—H19B | 0.9800 |
C2—H2B | 0.9900 | C19—H19C | 0.9800 |
C3—C4 | 1.504 (3) | C21—C26 | 1.392 (3) |
C3—H3A | 0.9900 | C21—C22 | 1.399 (3) |
C3—H3B | 0.9900 | C22—C23 | 1.380 (3) |
C4—C5 | 1.393 (3) | C22—H22 | 0.9500 |
C4—C9 | 1.414 (3) | C23—C24 | 1.400 (3) |
C5—C6 | 1.392 (3) | C23—H23 | 0.9500 |
C5—H5 | 0.9500 | C24—C25 | 1.387 (3) |
C6—C7 | 1.385 (3) | C25—C26 | 1.396 (3) |
C6—H6 | 0.9500 | C25—H25 | 0.9500 |
C7—C8 | 1.385 (3) | C26—H26 | 0.9500 |
C7—H7 | 0.9500 | C27—H27A | 0.9800 |
C8—C9 | 1.403 (3) | C27—H27B | 0.9800 |
C8—H8 | 0.9500 | C27—H27C | 0.9800 |
C9—C10 | 1.481 (3) | ||
C24—O3—C27 | 117.15 (19) | C14—C13—C20 | 120.66 (19) |
C17—N2—C18 | 125.69 (19) | C1—C14—C13 | 118.62 (19) |
C17—N2—C12 | 119.62 (19) | C1—C14—C21 | 122.50 (19) |
C18—N2—C12 | 114.52 (18) | C13—C14—C21 | 118.87 (19) |
C14—C1—C10 | 120.98 (19) | N1—C15—C11 | 175.0 (3) |
C14—C1—C2 | 121.35 (19) | C17—C16—H16A | 109.5 |
C10—C1—C2 | 117.63 (19) | C17—C16—H16B | 109.5 |
C1—C2—C3 | 110.40 (18) | H16A—C16—H16B | 109.5 |
C1—C2—H2A | 109.6 | C17—C16—H16C | 109.5 |
C3—C2—H2A | 109.6 | H16A—C16—H16C | 109.5 |
C1—C2—H2B | 109.6 | H16B—C16—H16C | 109.5 |
C3—C2—H2B | 109.6 | O2—C17—N2 | 120.8 (2) |
H2A—C2—H2B | 108.1 | O2—C17—C16 | 123.2 (2) |
C4—C3—C2 | 109.55 (17) | N2—C17—C16 | 116.1 (2) |
C4—C3—H3A | 109.8 | O1—C18—N2 | 117.1 (2) |
C2—C3—H3A | 109.8 | O1—C18—C19 | 122.9 (2) |
C4—C3—H3B | 109.8 | N2—C18—C19 | 120.0 (2) |
C2—C3—H3B | 109.8 | C18—C19—H19A | 109.5 |
H3A—C3—H3B | 108.2 | C18—C19—H19B | 109.5 |
C5—C4—C9 | 118.9 (2) | H19A—C19—H19B | 109.5 |
C5—C4—C3 | 122.2 (2) | C18—C19—H19C | 109.5 |
C9—C4—C3 | 118.85 (19) | H19A—C19—H19C | 109.5 |
C6—C5—C4 | 121.3 (2) | H19B—C19—H19C | 109.5 |
C6—C5—H5 | 119.3 | N3—C20—C13 | 178.5 (3) |
C4—C5—H5 | 119.3 | C26—C21—C22 | 118.2 (2) |
C7—C6—C5 | 119.7 (2) | C26—C21—C14 | 120.73 (19) |
C7—C6—H6 | 120.2 | C22—C21—C14 | 121.1 (2) |
C5—C6—H6 | 120.2 | C23—C22—C21 | 121.2 (2) |
C6—C7—C8 | 120.2 (2) | C23—C22—H22 | 119.4 |
C6—C7—H7 | 119.9 | C21—C22—H22 | 119.4 |
C8—C7—H7 | 119.9 | C22—C23—C24 | 119.8 (2) |
C7—C8—C9 | 120.8 (2) | C22—C23—H23 | 120.1 |
C7—C8—H8 | 119.6 | C24—C23—H23 | 120.1 |
C9—C8—H8 | 119.6 | O3—C24—C25 | 123.7 (2) |
C8—C9—C4 | 119.1 (2) | O3—C24—C23 | 116.3 (2) |
C8—C9—C10 | 122.7 (2) | C25—C24—C23 | 120.0 (2) |
C4—C9—C10 | 118.10 (19) | C24—C25—C26 | 119.4 (2) |
C11—C10—C1 | 118.5 (2) | C24—C25—H25 | 120.3 |
C11—C10—C9 | 122.35 (19) | C26—C25—H25 | 120.3 |
C1—C10—C9 | 119.11 (19) | C21—C26—C25 | 121.4 (2) |
C12—C11—C10 | 120.8 (2) | C21—C26—H26 | 119.3 |
C12—C11—C15 | 115.6 (2) | C25—C26—H26 | 119.3 |
C10—C11—C15 | 123.5 (2) | O3—C27—H27A | 109.5 |
C11—C12—C13 | 120.1 (2) | O3—C27—H27B | 109.5 |
C11—C12—N2 | 120.04 (19) | H27A—C27—H27B | 109.5 |
C13—C12—N2 | 119.8 (2) | O3—C27—H27C | 109.5 |
C12—C13—C14 | 120.8 (2) | H27A—C27—H27C | 109.5 |
C12—C13—C20 | 118.5 (2) | H27B—C27—H27C | 109.5 |
C14—C1—C2—C3 | 141.1 (2) | C11—C12—C13—C14 | −1.8 (3) |
C10—C1—C2—C3 | −36.6 (3) | N2—C12—C13—C14 | 177.00 (19) |
C1—C2—C3—C4 | 56.6 (2) | C11—C12—C13—C20 | 176.4 (2) |
C2—C3—C4—C5 | 139.1 (2) | N2—C12—C13—C20 | −4.8 (3) |
C2—C3—C4—C9 | −38.3 (3) | C10—C1—C14—C13 | −0.2 (3) |
C9—C4—C5—C6 | 0.6 (3) | C2—C1—C14—C13 | −177.90 (19) |
C3—C4—C5—C6 | −176.9 (2) | C10—C1—C14—C21 | 179.67 (19) |
C4—C5—C6—C7 | 1.6 (3) | C2—C1—C14—C21 | 2.0 (3) |
C5—C6—C7—C8 | −1.7 (4) | C12—C13—C14—C1 | 3.1 (3) |
C6—C7—C8—C9 | −0.3 (3) | C20—C13—C14—C1 | −175.0 (2) |
C7—C8—C9—C4 | 2.5 (3) | C12—C13—C14—C21 | −176.8 (2) |
C7—C8—C9—C10 | 179.8 (2) | C20—C13—C14—C21 | 5.0 (3) |
C5—C4—C9—C8 | −2.6 (3) | C18—N2—C17—O2 | −0.6 (3) |
C3—C4—C9—C8 | 174.98 (19) | C12—N2—C17—O2 | 174.6 (2) |
C5—C4—C9—C10 | −179.99 (19) | C18—N2—C17—C16 | 178.7 (2) |
C3—C4—C9—C10 | −2.4 (3) | C12—N2—C17—C16 | −6.1 (3) |
C14—C1—C10—C11 | −3.8 (3) | C17—N2—C18—O1 | 169.7 (2) |
C2—C1—C10—C11 | 173.92 (19) | C12—N2—C18—O1 | −5.6 (3) |
C14—C1—C10—C9 | 177.67 (19) | C17—N2—C18—C19 | −11.9 (3) |
C2—C1—C10—C9 | −4.6 (3) | C12—N2—C18—C19 | 172.7 (2) |
C8—C9—C10—C11 | 29.9 (3) | C1—C14—C21—C26 | 60.5 (3) |
C4—C9—C10—C11 | −152.8 (2) | C13—C14—C21—C26 | −119.5 (2) |
C8—C9—C10—C1 | −151.6 (2) | C1—C14—C21—C22 | −120.4 (2) |
C4—C9—C10—C1 | 25.7 (3) | C13—C14—C21—C22 | 59.5 (3) |
C1—C10—C11—C12 | 5.2 (3) | C26—C21—C22—C23 | −0.2 (3) |
C9—C10—C11—C12 | −176.4 (2) | C14—C21—C22—C23 | −179.3 (2) |
C1—C10—C11—C15 | −170.0 (2) | C21—C22—C23—C24 | 0.6 (4) |
C9—C10—C11—C15 | 8.5 (3) | C27—O3—C24—C25 | 3.7 (3) |
C10—C11—C12—C13 | −2.4 (3) | C27—O3—C24—C23 | −177.0 (2) |
C15—C11—C12—C13 | 173.1 (2) | C22—C23—C24—O3 | −179.5 (2) |
C10—C11—C12—N2 | 178.78 (19) | C22—C23—C24—C25 | −0.2 (3) |
C15—C11—C12—N2 | −5.7 (3) | O3—C24—C25—C26 | 178.6 (2) |
C17—N2—C12—C11 | −89.7 (3) | C23—C24—C25—C26 | −0.7 (3) |
C18—N2—C12—C11 | 86.0 (2) | C22—C21—C26—C25 | −0.7 (3) |
C17—N2—C12—C13 | 91.5 (3) | C14—C21—C26—C25 | 178.4 (2) |
C18—N2—C12—C13 | −92.8 (2) | C24—C25—C26—C21 | 1.1 (3) |
Cg1 and Cg2 are the centroids of the C4–C9 and C21–C26 rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
C5—H5···O2i | 0.95 | 2.40 | 3.255 (3) | 150 |
C25—H25···O2ii | 0.95 | 2.59 | 3.154 (3) | 119 |
C26—H26···O2ii | 0.95 | 2.54 | 3.141 (3) | 121 |
C27—H27A···O1iii | 0.98 | 2.41 | 3.160 (3) | 133 |
C3—H3B···Cg1iv | 0.99 | 2.74 | 3.696 (3) | 164 |
C19—H19A···Cg2v | 0.98 | 2.82 | 3.618 (3) | 139 |
Symmetry codes: (i) −x, y−1/2, −z+3/2; (ii) −x−1/2, y−1/2, z; (iii) x−1/2, −y+1/2, −z+1; (iv) x−1/2, y, −z+1/2; (v) x, −y−1/2, z−1/2. |
Experimental details
Crystal data | |
Chemical formula | C27H21N3O3 |
Mr | 435.47 |
Crystal system, space group | Orthorhombic, Pbca |
Temperature (K) | 100 |
a, b, c (Å) | 8.3321 (4), 19.4037 (11), 27.5887 (14) |
V (Å3) | 4460.4 (4) |
Z | 8 |
Radiation type | Mo Kα |
µ (mm−1) | 0.09 |
Crystal size (mm) | 0.40 × 0.20 × 0.10 |
Data collection | |
Diffractometer | Agilent SuperNova Dual diffractometer with an Atlas detector |
Absorption correction | Multi-scan (CrysAlis PRO; Agilent, 2011) |
Tmin, Tmax | 0.966, 0.991 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 11528, 5106, 3488 |
Rint | 0.041 |
(sin θ/λ)max (Å−1) | 0.651 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.061, 0.166, 1.02 |
No. of reflections | 5106 |
No. of parameters | 300 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.39, −0.29 |
Computer programs: CrysAlis PRO (Agilent, 2011), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), X-SEED (Barbour, 2001) and DIAMOND (Brandenburg, 2006), publCIF (Westrip, 2010).
Cg1 and Cg2 are the centroids of the C4–C9 and C21–C26 rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
C5—H5···O2i | 0.95 | 2.40 | 3.255 (3) | 150 |
C25—H25···O2ii | 0.95 | 2.59 | 3.154 (3) | 119 |
C26—H26···O2ii | 0.95 | 2.54 | 3.141 (3) | 121 |
C27—H27A···O1iii | 0.98 | 2.41 | 3.160 (3) | 133 |
C3—H3B···Cg1iv | 0.99 | 2.74 | 3.696 (3) | 164 |
C19—H19A···Cg2v | 0.98 | 2.82 | 3.618 (3) | 139 |
Symmetry codes: (i) −x, y−1/2, −z+3/2; (ii) −x−1/2, y−1/2, z; (iii) x−1/2, −y+1/2, −z+1; (iv) x−1/2, y, −z+1/2; (v) x, −y−1/2, z−1/2. |
Footnotes
‡Additional correspondence author, e-mail: aasiri2@kau.edu.sa.
Acknowledgements
The authors are thankful to the Center of Excellence for Advanced Materials Research and the Chemistry Department at King Abdulaziz University for providing the research facilities. We also thank the Ministry of Higher Education (Malaysia) for funding structural studies through the High-Impact Research scheme (UM.C/HIR/MOHE/SC/12).
References
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
The biological activity of phenanthrene compounds (Wang et al. 2010; Rostom et al., 2011), has motivated structural studies on these systems Asiri et al., 2011; Al-Youbi et al., 2012) and led to the characterization of the title compound, (I).
In (I), Fig. 1, the cyclohexa-1,3-diene ring has a screw-boat conformation as quantified by the following geometric parameters (Cremer & Pople, 1975): puckering parameters q2 = 0.499 (2) Å and q3 = 0.176 (2) Å, and amplitudes: Q = 0.529 (2) Å, θ = 70.6 (2)° and φ2 = 91.2 (3)°. The benzene rings of the 1,2-dihydronaphthalene and methoxybenzene residues form dihedral angles of 27.61 (6) and 59.47 (7)°, respectively, with the central dicyanobenzene ring, indicating a fold in the fused ring system and a twist of the methoxybenzene ring out of the plane of the benzene ring to which it is connected. The N-acetylacetamide residue has an anti conformation and is essentially planar. The r.m.s. deviation for the seven fitted atoms = 0.0935 Å with maximum deviations of 0.1476 (15) Å for the O2 atom and -0.1378 (15) Å for the C19 atom. This residue is inclined in a perpendicular fashion with respect to the benzene ring to which it is connected, forming a dihedral angle of 89.14 (6)°.
The three-dimensional architecture of (I) is stabilized by C—H···O and C—H···π interactions, Fig. 2 and Table 1. Notably, the O2 atom of the N-acetylacetamide, i.e. the oxygen atom residue directed away from the rest of the molecule, participates in three C—H···O interactions, Table 1.