organic compounds
H-pyrazolo[3,4-b]pyridin-5-yl)methanone
of (2-hydroxy-5-methylphenyl)(3-methyl-1-phenyl-1aDepartment of Physics, Presidency College (Autonomous), Chennai 600 005, India, and bOrganic Chemistry Division, CSIR Central Leather Research Institute, Adyar, Chennai 600 020, India
*Correspondence e-mail: aspandian59@gmail.com
In the title compound, C21H17N3O2, the 2-hydroxy-5-methylphenyl ring and the phenyl ring are inclined to the mean plane of the pyrazolopyridine moiety (r.m.s. deviation = 0.013 Å) by 52.89 (9) and 19.63 (8)°, respectively, and to each other by 42.83 (11)°. In the molecule, there are intramolecular O—H⋯O and C—H⋯N hydrogen bonds, both enclosing an S(6) ring motif. In the crystal, molecules stack along the c-axis direction, forming columns within which there are a number of π–π interactions [the inter-centroid distances vary from 3.5278 (10) to 3.8625 (10) Å]. The columns are linked by C—H⋯π interactions, forming slabs parallel to (100).
Keywords: crystal structure; pyrazoles; propenones; pyrazolopyridine; intramolecular hydrogen bonding; π–π interactions; C—H⋯π interactions.
CCDC reference: 1406889
1. Related literature
For some details of the biological activity of pyrazole derivatives, see: Burger & Iorio (1979, 1980); Kalluraya & Ramesh (2001); Windholz (2003). For the antibacterial activity of propenones, see: Holla et al. (1994). For details of the pyrazole moiety found in blockbuster drugs, see: Penning et al. (1997) for celecobix; Terrett et al. (1996) for sildenafil; Seltzman et al. (1995) for rimonabant.
2. Experimental
2.1. Crystal data
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2.3. Refinement
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Data collection: APEX2 (Bruker, 2008); cell 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).
Supporting information
CCDC reference: 1406889
10.1107/S2056989015011597/su5154sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S2056989015011597/su5154Isup2.hkl
Supporting information file. DOI: 10.1107/S2056989015011597/su5154Isup3.cml
Pyrazole derivatives are reported to possess varied biological activities such as anti-inflammatory (Windholz, 2003), analgesic (Windholz, 2003), hypoglysemic, seditive (Burger et al., 1979), hypnotic (Burger et al., 1980), antifungal and antibacterial (Kalluraya & Ramesh, 2001) activities. Propenones are also found to show good antibacterial activity (Holla et al., 1994). The pyrazole moiety is found in blockbuster drugs such as celecobix (Penning et al., 1997), sildenafil (Terrett et al., 1996) and rimonabant (Seltzmann et al., 1995).
The molecular structure of the title molecule is shown in Fig. 1. The 2-hydroxy-5-methylphenyl ring (C1—C4/C6/C7) and the phenyl ring (C16—C21) are inclined to the mean plane of the pyrazolopyridine moiety (N1—N3/C9—C14; r.m.s. deviation = 0.013 Å) by 52.89 (9) and 19.63 (8) °, respectively, and to each other by 42.83 (11) °. The
is partly determined by the intramolecular O—H···O hydrogen bond with an S(6) ring motif, and a C—H···N short contact enclosing a second S(6) ring motif (Table 1 and Fig. 1).In the crystal, the molecules stack along the c axis direction forming columns, within which there are a number of π–π interactions [Cg1···Cg1i = 3.7660 (10) Å, interplanar distance = 3.4748 (7) Å, slippage = 1.452 Å; Cg1··· Cg1ii = 3.5278 (10) Å, interplanar distance = 3.4477 (7) Å, slippage = 0.747 Å; Cg1···Cg2i = 3.6162 (10) Å; Cg1···Cg2ii = 3.8625 (10) Å; Cg1 and Cg2 are the centroids of rings N2/N3/C11—C14 and N1/C9—C13, respectively; symmetry codes: (i) -x + 1, -y, -z; (ii) -x + 1, -y, -z + 1]. The columns are linked by C—H···π interactions (Table 1 and Fig. 2) forming slabs parallel to (100).
To a mixture of 3-formylchromone and 5-amino-3-methyl-1-phenyl pyrazole in ethanol, was added a catalytic amount of In(OTf)3 and the resulting mixture was refluxed for ca. 20 min. The precipitate formed was filtered and dried under vacuum to afford the pure title product (yield: 87%). It was recrystallized from ethanol and DMSO-D6 by slow evaporation over 48 h, giving colourless block-like crystals.
Crystal data, data collection and structure
details are summarized in Table 2. The O- and C-bound H atoms were positioned geometrically and allowed to ride on their parent atoms: O—H = 0.82 Å, C–H = 0.93–0.96 Å with Uiso(H) = 1.5Ueq(O,C) for the hydroxyl and methyl H atoms and 1.2Ueq(C) for other H atoms.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: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009).Fig. 1. The molecular structure of the title compound, with atom labelling. Displacement ellipsoids are drawn at the 30% probability level. Intramolecular hydrogen bonds are shown as dashed lines (see Table 1 for details) | |
Fig. 2. The crystal packing of the title compound, viewed along the c axis. The O—H···O and C—H···π interactions are shown as dashed lines (see Table 1 for details). |
C21H17N3O2 | F(000) = 720 |
Mr = 343.38 | Dx = 1.314 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 2001 reflections |
a = 14.7164 (7) Å | θ = 1.4–25.0° |
b = 16.7306 (9) Å | µ = 0.09 mm−1 |
c = 7.0733 (3) Å | T = 293 K |
β = 94.857 (2)° | Block, colourless |
V = 1735.29 (14) Å3 | 0.25 × 0.20 × 0.20 mm |
Z = 4 |
Bruker SMART APEXII CCD diffractometer | 3055 independent reflections |
Radiation source: fine-focus sealed tube | 2001 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.036 |
ω and ϕ scans | θmax = 25.0°, θmin = 1.4° |
Absorption correction: multi-scan (SADABS; Bruker, 2008) | h = −17→17 |
Tmin = 0.979, Tmax = 0.983 | k = −19→19 |
10536 measured reflections | l = −5→8 |
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)] = 0.045 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.125 | H-atom parameters constrained |
S = 1.04 | w = 1/[σ2(Fo2) + (0.0597P)2 + 0.1547P] where P = (Fo2 + 2Fc2)/3 |
3055 reflections | (Δ/σ)max < 0.001 |
237 parameters | Δρmax = 0.20 e Å−3 |
0 restraints | Δρmin = −0.18 e Å−3 |
C21H17N3O2 | V = 1735.29 (14) Å3 |
Mr = 343.38 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 14.7164 (7) Å | µ = 0.09 mm−1 |
b = 16.7306 (9) Å | T = 293 K |
c = 7.0733 (3) Å | 0.25 × 0.20 × 0.20 mm |
β = 94.857 (2)° |
Bruker SMART APEXII CCD diffractometer | 3055 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2008) | 2001 reflections with I > 2σ(I) |
Tmin = 0.979, Tmax = 0.983 | Rint = 0.036 |
10536 measured reflections |
R[F2 > 2σ(F2)] = 0.045 | 0 restraints |
wR(F2) = 0.125 | H-atom parameters constrained |
S = 1.04 | Δρmax = 0.20 e Å−3 |
3055 reflections | Δρmin = −0.18 e Å−3 |
237 parameters |
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. |
x | y | z | Uiso*/Ueq | ||
C1 | 0.05588 (15) | 0.09390 (16) | 0.0431 (4) | 0.0621 (7) | |
C2 | 0.00532 (16) | 0.13878 (17) | −0.0938 (4) | 0.0746 (8) | |
H2 | −0.0552 | 0.1509 | −0.0781 | 0.090* | |
C3 | 0.04416 (17) | 0.16526 (16) | −0.2520 (4) | 0.0724 (8) | |
H3 | 0.0090 | 0.1950 | −0.3420 | 0.087* | |
C4 | 0.13449 (15) | 0.14903 (14) | −0.2816 (3) | 0.0559 (6) | |
C5 | 0.17618 (19) | 0.17799 (17) | −0.4560 (4) | 0.0787 (8) | |
H5A | 0.1872 | 0.2344 | −0.4458 | 0.118* | |
H5B | 0.1352 | 0.1674 | −0.5660 | 0.118* | |
H5C | 0.2328 | 0.1506 | −0.4675 | 0.118* | |
C6 | 0.18475 (14) | 0.10574 (13) | −0.1436 (3) | 0.0491 (6) | |
H6 | 0.2454 | 0.0945 | −0.1602 | 0.059* | |
C7 | 0.14798 (13) | 0.07811 (13) | 0.0206 (3) | 0.0482 (6) | |
C8 | 0.20198 (14) | 0.03024 (15) | 0.1632 (3) | 0.0517 (6) | |
C9 | 0.30348 (13) | 0.03373 (13) | 0.1803 (3) | 0.0420 (5) | |
C10 | 0.35019 (13) | 0.10607 (14) | 0.1603 (3) | 0.0451 (5) | |
H10 | 0.3150 | 0.1511 | 0.1289 | 0.054* | |
C11 | 0.48557 (12) | 0.04804 (12) | 0.2241 (2) | 0.0358 (5) | |
C12 | 0.44789 (12) | −0.02748 (12) | 0.2511 (2) | 0.0364 (5) | |
C13 | 0.35323 (13) | −0.03413 (13) | 0.2305 (3) | 0.0426 (5) | |
H13 | 0.3245 | −0.0826 | 0.2500 | 0.051* | |
C14 | 0.52392 (13) | −0.07907 (13) | 0.2957 (3) | 0.0409 (5) | |
C15 | 0.52419 (16) | −0.16642 (14) | 0.3369 (3) | 0.0585 (6) | |
H15A | 0.5858 | −0.1858 | 0.3471 | 0.088* | |
H15B | 0.4895 | −0.1940 | 0.2360 | 0.088* | |
H15C | 0.4975 | −0.1757 | 0.4542 | 0.088* | |
C16 | 0.64979 (12) | 0.09625 (12) | 0.2357 (2) | 0.0376 (5) | |
C17 | 0.73654 (13) | 0.07915 (14) | 0.3181 (3) | 0.0484 (6) | |
H17 | 0.7475 | 0.0326 | 0.3881 | 0.058* | |
C18 | 0.80646 (14) | 0.13251 (17) | 0.2945 (3) | 0.0618 (7) | |
H18 | 0.8650 | 0.1211 | 0.3478 | 0.074* | |
C19 | 0.79085 (16) | 0.20215 (17) | 0.1933 (3) | 0.0639 (7) | |
H19 | 0.8384 | 0.2375 | 0.1783 | 0.077* | |
C20 | 0.70447 (15) | 0.21893 (15) | 0.1146 (3) | 0.0548 (6) | |
H20 | 0.6935 | 0.2662 | 0.0473 | 0.066* | |
C21 | 0.63382 (14) | 0.16638 (13) | 0.1345 (3) | 0.0448 (5) | |
H21 | 0.5756 | 0.1780 | 0.0800 | 0.054* | |
N1 | 0.44001 (10) | 0.11614 (10) | 0.1820 (2) | 0.0426 (4) | |
N2 | 0.57850 (10) | 0.03981 (10) | 0.2511 (2) | 0.0378 (4) | |
N3 | 0.60079 (11) | −0.03890 (10) | 0.2955 (2) | 0.0421 (4) | |
O1 | 0.01363 (10) | 0.06702 (12) | 0.1927 (3) | 0.0870 (6) | |
H1 | 0.0497 | 0.0411 | 0.2629 | 0.130* | |
O2 | 0.16431 (10) | −0.01281 (12) | 0.2757 (2) | 0.0770 (6) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.0363 (13) | 0.0691 (19) | 0.0801 (16) | −0.0013 (12) | 0.0012 (12) | −0.0142 (14) |
C2 | 0.0360 (13) | 0.078 (2) | 0.108 (2) | 0.0116 (13) | −0.0070 (14) | −0.0114 (17) |
C3 | 0.0540 (16) | 0.0674 (19) | 0.0910 (19) | 0.0122 (14) | −0.0217 (14) | −0.0046 (16) |
C4 | 0.0514 (14) | 0.0499 (16) | 0.0636 (14) | 0.0071 (12) | −0.0111 (11) | −0.0101 (12) |
C5 | 0.0879 (19) | 0.076 (2) | 0.0695 (16) | 0.0080 (16) | −0.0083 (14) | 0.0057 (14) |
C6 | 0.0362 (11) | 0.0506 (15) | 0.0591 (13) | 0.0039 (10) | −0.0035 (10) | −0.0120 (11) |
C7 | 0.0296 (11) | 0.0521 (15) | 0.0622 (13) | 0.0028 (10) | −0.0007 (10) | −0.0120 (11) |
C8 | 0.0384 (12) | 0.0626 (17) | 0.0542 (13) | −0.0040 (11) | 0.0044 (10) | −0.0059 (12) |
C9 | 0.0336 (11) | 0.0484 (14) | 0.0438 (11) | 0.0006 (10) | 0.0012 (8) | −0.0025 (10) |
C10 | 0.0368 (12) | 0.0459 (14) | 0.0516 (12) | 0.0073 (10) | −0.0020 (9) | −0.0009 (10) |
C11 | 0.0317 (10) | 0.0394 (13) | 0.0361 (10) | 0.0031 (9) | 0.0016 (8) | −0.0025 (9) |
C12 | 0.0366 (11) | 0.0377 (13) | 0.0348 (9) | 0.0001 (9) | 0.0025 (8) | −0.0048 (9) |
C13 | 0.0425 (12) | 0.0451 (14) | 0.0407 (10) | −0.0082 (10) | 0.0062 (9) | −0.0048 (9) |
C14 | 0.0447 (12) | 0.0382 (13) | 0.0396 (10) | 0.0015 (10) | 0.0030 (9) | −0.0029 (9) |
C15 | 0.0648 (15) | 0.0400 (15) | 0.0693 (14) | 0.0025 (12) | −0.0020 (12) | 0.0037 (11) |
C16 | 0.0337 (11) | 0.0435 (14) | 0.0363 (10) | −0.0009 (9) | 0.0071 (8) | −0.0068 (9) |
C17 | 0.0373 (12) | 0.0518 (15) | 0.0558 (12) | 0.0066 (11) | 0.0023 (9) | −0.0054 (11) |
C18 | 0.0319 (12) | 0.076 (2) | 0.0775 (16) | −0.0011 (12) | 0.0064 (11) | −0.0127 (15) |
C19 | 0.0485 (15) | 0.072 (2) | 0.0747 (16) | −0.0190 (13) | 0.0219 (12) | −0.0100 (14) |
C20 | 0.0579 (15) | 0.0539 (16) | 0.0541 (12) | −0.0116 (12) | 0.0134 (11) | 0.0017 (11) |
C21 | 0.0432 (12) | 0.0477 (15) | 0.0432 (11) | −0.0032 (10) | 0.0026 (9) | 0.0001 (10) |
N1 | 0.0340 (9) | 0.0412 (11) | 0.0520 (10) | 0.0031 (8) | 0.0003 (7) | −0.0012 (8) |
N2 | 0.0324 (9) | 0.0364 (11) | 0.0443 (9) | 0.0032 (8) | 0.0013 (7) | 0.0005 (8) |
N3 | 0.0403 (10) | 0.0367 (11) | 0.0490 (9) | 0.0066 (8) | 0.0020 (7) | 0.0006 (8) |
O1 | 0.0393 (10) | 0.1199 (18) | 0.1043 (14) | −0.0003 (10) | 0.0207 (9) | 0.0018 (12) |
O2 | 0.0431 (9) | 0.1069 (16) | 0.0816 (11) | −0.0112 (10) | 0.0087 (8) | 0.0238 (11) |
C1—O1 | 1.349 (3) | C11—C12 | 1.399 (3) |
C1—C2 | 1.391 (3) | C12—C13 | 1.393 (3) |
C1—C7 | 1.403 (3) | C12—C14 | 1.427 (3) |
C2—C3 | 1.372 (4) | C13—H13 | 0.9300 |
C2—H2 | 0.9300 | C14—N3 | 1.316 (2) |
C3—C4 | 1.390 (3) | C14—C15 | 1.490 (3) |
C3—H3 | 0.9300 | C15—H15A | 0.9600 |
C4—C6 | 1.379 (3) | C15—H15B | 0.9600 |
C4—C5 | 1.504 (3) | C15—H15C | 0.9600 |
C5—H5A | 0.9600 | C16—C21 | 1.384 (3) |
C5—H5B | 0.9600 | C16—C17 | 1.388 (3) |
C5—H5C | 0.9600 | C16—N2 | 1.423 (2) |
C6—C7 | 1.401 (3) | C17—C18 | 1.383 (3) |
C6—H6 | 0.9300 | C17—H17 | 0.9300 |
C7—C8 | 1.468 (3) | C18—C19 | 1.376 (3) |
C8—O2 | 1.239 (3) | C18—H18 | 0.9300 |
C8—C9 | 1.489 (3) | C19—C20 | 1.373 (3) |
C9—C13 | 1.381 (3) | C19—H19 | 0.9300 |
C9—C10 | 1.405 (3) | C20—C21 | 1.378 (3) |
C10—N1 | 1.328 (2) | C20—H20 | 0.9300 |
C10—H10 | 0.9300 | C21—H21 | 0.9300 |
C11—N1 | 1.343 (2) | N2—N3 | 1.387 (2) |
C11—N2 | 1.372 (2) | O1—H1 | 0.8200 |
O1—C1—C2 | 118.1 (2) | C11—C12—C14 | 105.31 (17) |
O1—C1—C7 | 122.7 (2) | C9—C13—C12 | 117.71 (19) |
C2—C1—C7 | 119.2 (2) | C9—C13—H13 | 121.1 |
C3—C2—C1 | 120.5 (2) | C12—C13—H13 | 121.1 |
C3—C2—H2 | 119.8 | N3—C14—C12 | 110.41 (18) |
C1—C2—H2 | 119.8 | N3—C14—C15 | 120.87 (19) |
C2—C3—C4 | 122.0 (2) | C12—C14—C15 | 128.72 (19) |
C2—C3—H3 | 119.0 | C14—C15—H15A | 109.5 |
C4—C3—H3 | 119.0 | C14—C15—H15B | 109.5 |
C6—C4—C3 | 117.3 (2) | H15A—C15—H15B | 109.5 |
C6—C4—C5 | 121.2 (2) | C14—C15—H15C | 109.5 |
C3—C4—C5 | 121.5 (2) | H15A—C15—H15C | 109.5 |
C4—C5—H5A | 109.5 | H15B—C15—H15C | 109.5 |
C4—C5—H5B | 109.5 | C21—C16—C17 | 120.13 (19) |
H5A—C5—H5B | 109.5 | C21—C16—N2 | 120.56 (16) |
C4—C5—H5C | 109.5 | C17—C16—N2 | 119.28 (18) |
H5A—C5—H5C | 109.5 | C18—C17—C16 | 118.9 (2) |
H5B—C5—H5C | 109.5 | C18—C17—H17 | 120.5 |
C4—C6—C7 | 122.6 (2) | C16—C17—H17 | 120.5 |
C4—C6—H6 | 118.7 | C19—C18—C17 | 121.1 (2) |
C7—C6—H6 | 118.7 | C19—C18—H18 | 119.5 |
C6—C7—C1 | 118.5 (2) | C17—C18—H18 | 119.5 |
C6—C7—C8 | 121.67 (18) | C20—C19—C18 | 119.5 (2) |
C1—C7—C8 | 119.8 (2) | C20—C19—H19 | 120.3 |
O2—C8—C7 | 120.86 (19) | C18—C19—H19 | 120.3 |
O2—C8—C9 | 118.09 (19) | C19—C20—C21 | 120.6 (2) |
C7—C8—C9 | 121.03 (19) | C19—C20—H20 | 119.7 |
C13—C9—C10 | 118.74 (18) | C21—C20—H20 | 119.7 |
C13—C9—C8 | 119.7 (2) | C20—C21—C16 | 119.81 (19) |
C10—C9—C8 | 121.43 (19) | C20—C21—H21 | 120.1 |
N1—C10—C9 | 126.03 (19) | C16—C21—H21 | 120.1 |
N1—C10—H10 | 117.0 | C10—N1—C11 | 113.03 (18) |
C9—C10—H10 | 117.0 | C11—N2—N3 | 109.93 (16) |
N1—C11—N2 | 126.11 (18) | C11—N2—C16 | 130.97 (17) |
N1—C11—C12 | 126.89 (17) | N3—N2—C16 | 119.08 (15) |
N2—C11—C12 | 107.00 (17) | C14—N3—N2 | 107.36 (15) |
C13—C12—C11 | 117.53 (18) | C1—O1—H1 | 109.5 |
C13—C12—C14 | 137.2 (2) | ||
O1—C1—C2—C3 | −177.8 (2) | C11—C12—C13—C9 | 1.6 (2) |
C7—C1—C2—C3 | 2.0 (4) | C14—C12—C13—C9 | −178.63 (19) |
C1—C2—C3—C4 | −0.3 (4) | C13—C12—C14—N3 | −179.9 (2) |
C2—C3—C4—C6 | −0.9 (4) | C11—C12—C14—N3 | −0.1 (2) |
C2—C3—C4—C5 | 179.7 (2) | C13—C12—C14—C15 | 0.7 (4) |
C3—C4—C6—C7 | 0.3 (3) | C11—C12—C14—C15 | −179.57 (19) |
C5—C4—C6—C7 | 179.8 (2) | C21—C16—C17—C18 | −1.1 (3) |
C4—C6—C7—C1 | 1.3 (3) | N2—C16—C17—C18 | 176.83 (17) |
C4—C6—C7—C8 | 178.3 (2) | C16—C17—C18—C19 | 0.9 (3) |
O1—C1—C7—C6 | 177.3 (2) | C17—C18—C19—C20 | 0.0 (4) |
C2—C1—C7—C6 | −2.4 (3) | C18—C19—C20—C21 | −0.7 (3) |
O1—C1—C7—C8 | 0.3 (4) | C19—C20—C21—C16 | 0.4 (3) |
C2—C1—C7—C8 | −179.5 (2) | C17—C16—C21—C20 | 0.5 (3) |
C6—C7—C8—O2 | −158.7 (2) | N2—C16—C21—C20 | −177.45 (17) |
C1—C7—C8—O2 | 18.2 (3) | C9—C10—N1—C11 | 1.0 (3) |
C6—C7—C8—C9 | 23.0 (3) | N2—C11—N1—C10 | 178.78 (16) |
C1—C7—C8—C9 | −160.0 (2) | C12—C11—N1—C10 | −2.1 (3) |
O2—C8—C9—C13 | 36.0 (3) | N1—C11—N2—N3 | 178.98 (17) |
C7—C8—C9—C13 | −145.7 (2) | C12—C11—N2—N3 | −0.31 (19) |
O2—C8—C9—C10 | −139.2 (2) | N1—C11—N2—C16 | −2.9 (3) |
C7—C8—C9—C10 | 39.1 (3) | C12—C11—N2—C16 | 177.79 (16) |
C13—C9—C10—N1 | 1.3 (3) | C21—C16—N2—C11 | −19.2 (3) |
C8—C9—C10—N1 | 176.53 (18) | C17—C16—N2—C11 | 162.90 (18) |
N1—C11—C12—C13 | 0.8 (3) | C21—C16—N2—N3 | 158.80 (17) |
N2—C11—C12—C13 | −179.92 (15) | C17—C16—N2—N3 | −19.1 (2) |
N1—C11—C12—C14 | −179.01 (17) | C12—C14—N3—N2 | 0.0 (2) |
N2—C11—C12—C14 | 0.27 (19) | C15—C14—N3—N2 | 179.44 (17) |
C10—C9—C13—C12 | −2.6 (3) | C11—N2—N3—C14 | 0.23 (19) |
C8—C9—C13—C12 | −177.90 (16) | C16—N2—N3—C14 | −178.13 (14) |
Cg3 and Cg4 are the centroids of rings C1–C4/C6/C7 and C16–C21, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···O2 | 0.82 | 1.91 | 2.613 (2) | 143 |
C21—H21···N1 | 0.93 | 2.41 | 3.019 (3) | 123 |
C5—H5A···Cg3i | 0.96 | 2.97 | 3.703 (3) | 134 |
C20—H20···Cg4i | 0.93 | 2.80 | 3.608 (2) | 146 |
Symmetry code: (i) x, −y+1/2, z−1/2. |
Cg3 and Cg4 are the centroids of rings C1–C4/C6/C7 and C16–C21, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···O2 | 0.82 | 1.91 | 2.613 (2) | 143 |
C21—H21···N1 | 0.93 | 2.41 | 3.019 (3) | 123 |
C5—H5A···Cg3i | 0.96 | 2.97 | 3.703 (3) | 134 |
C20—H20···Cg4i | 0.93 | 2.80 | 3.608 (2) | 146 |
Symmetry code: (i) x, −y+1/2, z−1/2. |
Acknowledgements
The authors thank the Department of Chemistry, IIT, Chennai, India, for the
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