organic compounds
2,15-Dioxa-7,18,19,20,23-pentaazaheptacyclo[21.6.1.117,20.01,8.03,7.09,14.024,29]hentriaconta-9,11,13,17(31),18,24,26,28-octaen-30-one
aDepartment of Physics, Dr. M.G.R. Educational and Research Institute University, Periyar E.V.R. High Road, Adayalampattu, Chennai 600 095, India, bDepartment of Organic Chemistry, University of Madras, Guindy Campus, Chennai 600 025, India, cCentre of Advanced Study in Crystallography and Biophysics, University of Madras, Guindy Campus, Chennai 600 025, India, and dDepartment of Biotechnology, Dr. M.G.R. Educational and Research Institute University, Periyar E.V.R. High Road, Maduravoyal, Chennai 600 095, India
*Correspondence e-mail: drdgayathri@gmail.com
In the title compound, C24H23N5O3, the oxindole ring system is nearly planar, with a dihedral angle between the two fused rings of 3.3 (1)°. In the fused pyrrolo–oxazole ring system, the oxazole and pyrrolidine rings adopt envelope conformations with the spiro C atom and one of the methylene C atoms, respectively, as the flap atoms. In the crystal, molecules are linked into a helical chain along the b axis via C—H⋯O interactions generating R21(7) and R22(8) ring motifs.
CCDC reference: 965072
Related literature
For the biological activity of pyrrole, oxazole and indole derivatives, see: Fernandes et al. (2004); Jiang et al. (2004). For a related see: Narayanan et al. (2013).
Experimental
Crystal data
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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: 965072
10.1107/S1600536813027396/is5309sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536813027396/is5309Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536813027396/is5309Isup3.cml
Solution of (2-((1-(2-(2,3-dioxoindolin-1-yl)ethyl)-1H-1,2,3-triazol-4-yl) methoxy)benzaldehyde (300 mg, 0.79 mmol) and L-proline (90 mg, 0.79 mmol) was refluxed in dry toluene (50 ml) under N2 atmosphere for 4 h under Dean–Stark apparatus. After the completion of reaction as indicated by TLC, toluene was evaporated under reduced pressure. The crude product was washed with water and extracted with dichloromethane (4×20 ml). The combined organic layers were dried (MgSO4), filtered and concentrated in vacuum. The crude product was purified by
using hexane: EtOAc (6:4) as eluent.All H-atoms were refined using a riding model with C—H = 0.93, 0.98 and 0.97 Å for aromatic, methine and methylene groups, respectively, and with Uiso(H) = 1.2Ueq(C).
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).C24H23N5O3 | F(000) = 904 |
Mr = 429.47 | Dx = 1.394 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 5113 reflections |
a = 9.273 (5) Å | θ = 2.0–28.4° |
b = 10.983 (5) Å | µ = 0.10 mm−1 |
c = 20.096 (5) Å | T = 293 K |
β = 90.038 (5)° | Block, colourless |
V = 2046.7 (15) Å3 | 0.30 × 0.25 × 0.20 mm |
Z = 4 |
Bruker SMART APEXII area-detector diffractometer | 5113 independent reflections |
Radiation source: fine-focus sealed tube | 3845 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.027 |
ω and ϕ scans | θmax = 28.4°, θmin = 2.0° |
Absorption correction: multi-scan (SADABS; Bruker, 2008) | h = −12→12 |
Tmin = 0.653, Tmax = 0.746 | k = −12→14 |
18864 measured reflections | l = −25→26 |
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)] = 0.050 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.146 | H-atom parameters constrained |
S = 1.01 | w = 1/[σ2(Fo2) + (0.0709P)2 + 0.8032P] where P = (Fo2 + 2Fc2)/3 |
5113 reflections | (Δ/σ)max < 0.001 |
289 parameters | Δρmax = 0.56 e Å−3 |
0 restraints | Δρmin = −0.25 e Å−3 |
C24H23N5O3 | V = 2046.7 (15) Å3 |
Mr = 429.47 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 9.273 (5) Å | µ = 0.10 mm−1 |
b = 10.983 (5) Å | T = 293 K |
c = 20.096 (5) Å | 0.30 × 0.25 × 0.20 mm |
β = 90.038 (5)° |
Bruker SMART APEXII area-detector diffractometer | 5113 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2008) | 3845 reflections with I > 2σ(I) |
Tmin = 0.653, Tmax = 0.746 | Rint = 0.027 |
18864 measured reflections |
R[F2 > 2σ(F2)] = 0.050 | 0 restraints |
wR(F2) = 0.146 | H-atom parameters constrained |
S = 1.01 | Δρmax = 0.56 e Å−3 |
5113 reflections | Δρmin = −0.25 e Å−3 |
289 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 | 0.14019 (16) | 0.05291 (14) | 0.29426 (8) | 0.0343 (3) | |
C2 | 0.12581 (16) | −0.13095 (15) | 0.34750 (8) | 0.0345 (3) | |
C3 | 0.09293 (19) | −0.25119 (17) | 0.36051 (10) | 0.0439 (4) | |
H3 | 0.0563 | −0.3021 | 0.3276 | 0.053* | |
C4 | 0.1166 (2) | −0.29295 (19) | 0.42455 (11) | 0.0523 (5) | |
H4 | 0.0961 | −0.3737 | 0.4348 | 0.063* | |
C5 | 0.1700 (2) | −0.2177 (2) | 0.47336 (10) | 0.0551 (5) | |
H5 | 0.1858 | −0.2483 | 0.5159 | 0.066* | |
C6 | 0.2005 (2) | −0.09606 (19) | 0.45972 (9) | 0.0481 (4) | |
H6 | 0.2342 | −0.0447 | 0.4931 | 0.058* | |
C7 | 0.17987 (16) | −0.05276 (15) | 0.39565 (8) | 0.0358 (3) | |
C8 | 0.19783 (16) | 0.07191 (14) | 0.36545 (8) | 0.0339 (3) | |
C9 | 0.18801 (18) | 0.20933 (17) | 0.45133 (9) | 0.0414 (4) | |
H9 | 0.1564 | 0.1690 | 0.4923 | 0.050* | |
C10 | 0.1736 (2) | 0.34643 (19) | 0.45780 (11) | 0.0542 (5) | |
H10A | 0.0888 | 0.3754 | 0.4344 | 0.065* | |
H10B | 0.1667 | 0.3702 | 0.5042 | 0.065* | |
C11 | 0.3081 (3) | 0.3960 (2) | 0.42698 (13) | 0.0631 (6) | |
H11A | 0.3340 | 0.4741 | 0.4462 | 0.076* | |
H11B | 0.2976 | 0.4049 | 0.3792 | 0.076* | |
C12 | 0.4193 (2) | 0.29847 (19) | 0.44428 (10) | 0.0508 (5) | |
H12A | 0.5002 | 0.3015 | 0.4138 | 0.061* | |
H12B | 0.4549 | 0.3095 | 0.4893 | 0.061* | |
C13 | 0.34670 (17) | 0.13335 (15) | 0.36914 (8) | 0.0353 (3) | |
H13 | 0.3473 | 0.2022 | 0.3381 | 0.042* | |
C14 | 0.48023 (16) | 0.05760 (15) | 0.35651 (8) | 0.0346 (3) | |
C15 | 0.52497 (18) | −0.02832 (17) | 0.40269 (9) | 0.0420 (4) | |
H15 | 0.4738 | −0.0365 | 0.4422 | 0.050* | |
C16 | 0.64310 (19) | −0.10212 (19) | 0.39183 (10) | 0.0480 (4) | |
H16 | 0.6693 | −0.1604 | 0.4232 | 0.058* | |
C17 | 0.7216 (2) | −0.0889 (2) | 0.33447 (11) | 0.0544 (5) | |
H17 | 0.8000 | −0.1396 | 0.3264 | 0.065* | |
C18 | 0.6847 (2) | −0.0009 (2) | 0.28880 (10) | 0.0512 (5) | |
H18 | 0.7405 | 0.0099 | 0.2508 | 0.061* | |
C19 | 0.56425 (17) | 0.07204 (15) | 0.29935 (8) | 0.0371 (4) | |
C20 | 0.5354 (2) | 0.13510 (18) | 0.18557 (9) | 0.0469 (4) | |
H20A | 0.6291 | 0.1004 | 0.1756 | 0.056* | |
H20B | 0.5249 | 0.2093 | 0.1598 | 0.056* | |
C21 | 0.4204 (2) | 0.04717 (17) | 0.16601 (9) | 0.0425 (4) | |
C22 | 0.37870 (18) | −0.05874 (16) | 0.19571 (8) | 0.0382 (4) | |
H22 | 0.4218 | −0.0976 | 0.2317 | 0.046* | |
C23 | 0.15348 (19) | −0.18146 (16) | 0.18336 (9) | 0.0405 (4) | |
H23A | 0.1993 | −0.2465 | 0.2083 | 0.049* | |
H23B | 0.1060 | −0.2170 | 0.1450 | 0.049* | |
C24 | 0.04305 (17) | −0.11776 (16) | 0.22683 (8) | 0.0384 (4) | |
H24A | −0.0017 | −0.0527 | 0.2015 | 0.046* | |
H24B | −0.0318 | −0.1754 | 0.2388 | 0.046* | |
N1 | 0.10500 (14) | −0.06718 (12) | 0.28709 (7) | 0.0343 (3) | |
N2 | 0.34184 (15) | 0.18234 (14) | 0.43800 (7) | 0.0392 (3) | |
N3 | 0.3288 (2) | 0.07077 (18) | 0.11524 (9) | 0.0630 (5) | |
N4 | 0.2310 (2) | −0.01524 (18) | 0.11278 (9) | 0.0621 (5) | |
N5 | 0.26167 (16) | −0.09446 (14) | 0.16155 (7) | 0.0408 (3) | |
O1 | 0.12691 (15) | 0.13061 (11) | 0.25218 (6) | 0.0473 (3) | |
O2 | 0.10994 (12) | 0.16351 (11) | 0.39546 (6) | 0.0419 (3) | |
O3 | 0.52789 (14) | 0.16379 (11) | 0.25560 (6) | 0.0445 (3) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.0311 (7) | 0.0327 (8) | 0.0390 (8) | 0.0058 (6) | −0.0041 (6) | −0.0042 (6) |
C2 | 0.0289 (7) | 0.0377 (8) | 0.0369 (8) | 0.0034 (6) | 0.0002 (6) | 0.0002 (6) |
C3 | 0.0418 (9) | 0.0390 (9) | 0.0510 (10) | −0.0013 (7) | 0.0015 (7) | −0.0013 (8) |
C4 | 0.0520 (10) | 0.0443 (10) | 0.0607 (12) | 0.0003 (8) | 0.0091 (9) | 0.0121 (9) |
C5 | 0.0568 (11) | 0.0630 (13) | 0.0456 (11) | 0.0005 (10) | 0.0025 (9) | 0.0183 (9) |
C6 | 0.0483 (10) | 0.0574 (11) | 0.0385 (9) | −0.0030 (8) | −0.0035 (8) | 0.0037 (8) |
C7 | 0.0308 (7) | 0.0399 (9) | 0.0366 (8) | 0.0009 (6) | −0.0002 (6) | −0.0002 (7) |
C8 | 0.0319 (7) | 0.0343 (8) | 0.0356 (8) | 0.0041 (6) | −0.0028 (6) | −0.0055 (6) |
C9 | 0.0382 (8) | 0.0478 (10) | 0.0382 (9) | −0.0004 (7) | 0.0018 (7) | −0.0065 (7) |
C10 | 0.0558 (11) | 0.0492 (11) | 0.0576 (12) | 0.0085 (9) | −0.0027 (9) | −0.0204 (9) |
C11 | 0.0768 (15) | 0.0423 (11) | 0.0701 (14) | −0.0039 (10) | 0.0060 (11) | −0.0097 (10) |
C12 | 0.0473 (10) | 0.0571 (12) | 0.0481 (10) | −0.0134 (9) | 0.0030 (8) | −0.0109 (9) |
C13 | 0.0351 (8) | 0.0342 (8) | 0.0364 (8) | 0.0017 (6) | −0.0016 (6) | −0.0018 (6) |
C14 | 0.0293 (7) | 0.0356 (8) | 0.0390 (8) | −0.0007 (6) | −0.0051 (6) | −0.0050 (6) |
C15 | 0.0394 (8) | 0.0490 (10) | 0.0377 (9) | 0.0038 (7) | −0.0033 (7) | 0.0000 (7) |
C16 | 0.0417 (9) | 0.0525 (11) | 0.0497 (11) | 0.0107 (8) | −0.0111 (8) | 0.0049 (8) |
C17 | 0.0377 (9) | 0.0632 (13) | 0.0624 (12) | 0.0178 (9) | −0.0008 (8) | 0.0031 (10) |
C18 | 0.0396 (9) | 0.0613 (12) | 0.0527 (11) | 0.0057 (8) | 0.0088 (8) | 0.0031 (9) |
C19 | 0.0344 (8) | 0.0353 (8) | 0.0416 (9) | −0.0025 (6) | −0.0060 (6) | −0.0004 (7) |
C20 | 0.0514 (10) | 0.0455 (10) | 0.0437 (10) | −0.0083 (8) | 0.0048 (8) | 0.0087 (8) |
C21 | 0.0461 (9) | 0.0436 (9) | 0.0379 (9) | −0.0018 (7) | 0.0018 (7) | 0.0051 (7) |
C22 | 0.0375 (8) | 0.0390 (9) | 0.0382 (9) | 0.0014 (7) | −0.0012 (7) | 0.0005 (7) |
C23 | 0.0431 (9) | 0.0373 (9) | 0.0411 (9) | −0.0044 (7) | −0.0049 (7) | −0.0062 (7) |
C24 | 0.0351 (8) | 0.0410 (9) | 0.0390 (9) | −0.0038 (7) | −0.0076 (7) | −0.0040 (7) |
N1 | 0.0353 (6) | 0.0328 (7) | 0.0346 (7) | −0.0012 (5) | −0.0045 (5) | −0.0035 (5) |
N2 | 0.0377 (7) | 0.0445 (8) | 0.0355 (7) | −0.0011 (6) | 0.0009 (6) | −0.0070 (6) |
N3 | 0.0723 (12) | 0.0685 (12) | 0.0481 (10) | −0.0187 (10) | −0.0146 (8) | 0.0199 (9) |
N4 | 0.0712 (11) | 0.0696 (12) | 0.0454 (9) | −0.0163 (10) | −0.0184 (8) | 0.0174 (9) |
N5 | 0.0442 (8) | 0.0435 (8) | 0.0348 (7) | −0.0030 (6) | −0.0020 (6) | −0.0017 (6) |
O1 | 0.0613 (8) | 0.0359 (6) | 0.0447 (7) | 0.0082 (6) | −0.0128 (6) | 0.0028 (5) |
O2 | 0.0372 (6) | 0.0436 (7) | 0.0448 (7) | 0.0082 (5) | −0.0033 (5) | −0.0134 (5) |
O3 | 0.0525 (7) | 0.0382 (6) | 0.0429 (7) | −0.0017 (5) | 0.0005 (5) | 0.0035 (5) |
C1—O1 | 1.208 (2) | C13—C14 | 1.513 (2) |
C1—N1 | 1.366 (2) | C13—H13 | 0.9800 |
C1—C8 | 1.541 (2) | C14—C15 | 1.387 (2) |
C2—C3 | 1.380 (3) | C14—C19 | 1.397 (2) |
C2—C7 | 1.387 (2) | C15—C16 | 1.380 (3) |
C2—N1 | 1.415 (2) | C15—H15 | 0.9300 |
C3—C4 | 1.384 (3) | C16—C17 | 1.371 (3) |
C3—H3 | 0.9300 | C16—H16 | 0.9300 |
C4—C5 | 1.375 (3) | C17—C18 | 1.376 (3) |
C4—H4 | 0.9300 | C17—H17 | 0.9300 |
C5—C6 | 1.393 (3) | C18—C19 | 1.391 (3) |
C5—H5 | 0.9300 | C18—H18 | 0.9300 |
C6—C7 | 1.386 (2) | C19—O3 | 1.379 (2) |
C6—H6 | 0.9300 | C20—O3 | 1.444 (2) |
C7—C8 | 1.507 (2) | C20—C21 | 1.491 (3) |
C8—O2 | 1.4285 (19) | C20—H20A | 0.9700 |
C8—C13 | 1.538 (2) | C20—H20B | 0.9700 |
C9—O2 | 1.427 (2) | C21—N3 | 1.352 (2) |
C9—N2 | 1.482 (2) | C21—C22 | 1.363 (2) |
C9—C10 | 1.517 (3) | C22—N5 | 1.342 (2) |
C9—H9 | 0.9800 | C22—H22 | 0.9300 |
C10—C11 | 1.496 (3) | C23—N5 | 1.453 (2) |
C10—H10A | 0.9700 | C23—C24 | 1.517 (2) |
C10—H10B | 0.9700 | C23—H23A | 0.9700 |
C11—C12 | 1.527 (3) | C23—H23B | 0.9700 |
C11—H11A | 0.9700 | C24—N1 | 1.451 (2) |
C11—H11B | 0.9700 | C24—H24A | 0.9700 |
C12—N2 | 1.469 (2) | C24—H24B | 0.9700 |
C12—H12A | 0.9700 | N3—N4 | 1.310 (3) |
C12—H12B | 0.9700 | N4—N5 | 1.341 (2) |
C13—N2 | 1.485 (2) | ||
O1—C1—N1 | 125.74 (15) | C8—C13—H13 | 108.2 |
O1—C1—C8 | 126.13 (15) | C15—C14—C19 | 117.42 (15) |
N1—C1—C8 | 108.13 (13) | C15—C14—C13 | 120.41 (15) |
C3—C2—C7 | 122.67 (16) | C19—C14—C13 | 122.16 (15) |
C3—C2—N1 | 127.32 (16) | C16—C15—C14 | 122.07 (17) |
C7—C2—N1 | 109.94 (14) | C16—C15—H15 | 119.0 |
C2—C3—C4 | 117.28 (18) | C14—C15—H15 | 119.0 |
C2—C3—H3 | 121.4 | C17—C16—C15 | 119.49 (18) |
C4—C3—H3 | 121.4 | C17—C16—H16 | 120.3 |
C5—C4—C3 | 121.42 (19) | C15—C16—H16 | 120.3 |
C5—C4—H4 | 119.3 | C16—C17—C18 | 120.24 (17) |
C3—C4—H4 | 119.3 | C16—C17—H17 | 119.9 |
C4—C5—C6 | 120.62 (18) | C18—C17—H17 | 119.9 |
C4—C5—H5 | 119.7 | C17—C18—C19 | 120.12 (17) |
C6—C5—H5 | 119.7 | C17—C18—H18 | 119.9 |
C7—C6—C5 | 118.95 (18) | C19—C18—H18 | 119.9 |
C7—C6—H6 | 120.5 | O3—C19—C18 | 121.30 (16) |
C5—C6—H6 | 120.5 | O3—C19—C14 | 118.09 (15) |
C2—C7—C6 | 119.03 (16) | C18—C19—C14 | 120.55 (16) |
C2—C7—C8 | 108.75 (14) | O3—C20—C21 | 111.30 (14) |
C6—C7—C8 | 132.13 (16) | O3—C20—H20A | 109.4 |
O2—C8—C7 | 113.99 (13) | C21—C20—H20A | 109.4 |
O2—C8—C13 | 100.54 (12) | O3—C20—H20B | 109.4 |
C7—C8—C13 | 118.59 (13) | C21—C20—H20B | 109.4 |
O2—C8—C1 | 106.84 (12) | H20A—C20—H20B | 108.0 |
C7—C8—C1 | 102.27 (13) | N3—C21—C22 | 108.41 (17) |
C13—C8—C1 | 114.51 (13) | N3—C21—C20 | 121.57 (17) |
O2—C9—N2 | 105.97 (13) | C22—C21—C20 | 129.78 (17) |
O2—C9—C10 | 111.89 (16) | N5—C22—C21 | 104.75 (15) |
N2—C9—C10 | 107.38 (15) | N5—C22—H22 | 127.6 |
O2—C9—H9 | 110.5 | C21—C22—H22 | 127.6 |
N2—C9—H9 | 110.5 | N5—C23—C24 | 109.67 (14) |
C10—C9—H9 | 110.5 | N5—C23—H23A | 109.7 |
C11—C10—C9 | 104.64 (16) | C24—C23—H23A | 109.7 |
C11—C10—H10A | 110.8 | N5—C23—H23B | 109.7 |
C9—C10—H10A | 110.8 | C24—C23—H23B | 109.7 |
C11—C10—H10B | 110.8 | H23A—C23—H23B | 108.2 |
C9—C10—H10B | 110.8 | N1—C24—C23 | 112.96 (13) |
H10A—C10—H10B | 108.9 | N1—C24—H24A | 109.0 |
C10—C11—C12 | 102.31 (18) | C23—C24—H24A | 109.0 |
C10—C11—H11A | 111.3 | N1—C24—H24B | 109.0 |
C12—C11—H11A | 111.3 | C23—C24—H24B | 109.0 |
C10—C11—H11B | 111.3 | H24A—C24—H24B | 107.8 |
C12—C11—H11B | 111.3 | C1—N1—C2 | 110.80 (13) |
H11A—C11—H11B | 109.2 | C1—N1—C24 | 123.51 (14) |
N2—C12—C11 | 105.04 (16) | C2—N1—C24 | 125.49 (14) |
N2—C12—H12A | 110.7 | C12—N2—C9 | 106.36 (14) |
C11—C12—H12A | 110.7 | C12—N2—C13 | 112.30 (14) |
N2—C12—H12B | 110.7 | C9—N2—C13 | 105.71 (12) |
C11—C12—H12B | 110.7 | N4—N3—C21 | 108.94 (16) |
H12A—C12—H12B | 108.8 | N3—N4—N5 | 107.09 (15) |
N2—C13—C14 | 112.38 (13) | N4—N5—C22 | 110.80 (15) |
N2—C13—C8 | 100.14 (12) | N4—N5—C23 | 120.06 (15) |
C14—C13—C8 | 119.02 (14) | C22—N5—C23 | 126.58 (15) |
N2—C13—H13 | 108.2 | C9—O2—C8 | 106.93 (12) |
C14—C13—H13 | 108.2 | C19—O3—C20 | 116.75 (14) |
C7—C2—C3—C4 | −0.3 (2) | C13—C14—C19—O3 | 4.1 (2) |
N1—C2—C3—C4 | −177.07 (16) | C15—C14—C19—C18 | 2.3 (2) |
C2—C3—C4—C5 | 0.4 (3) | C13—C14—C19—C18 | −178.74 (16) |
C3—C4—C5—C6 | 0.6 (3) | O3—C20—C21—N3 | 126.6 (2) |
C4—C5—C6—C7 | −1.7 (3) | O3—C20—C21—C22 | −47.2 (3) |
C3—C2—C7—C6 | −0.7 (2) | N3—C21—C22—N5 | −0.5 (2) |
N1—C2—C7—C6 | 176.53 (15) | C20—C21—C22—N5 | 173.87 (18) |
C3—C2—C7—C8 | −177.75 (15) | N5—C23—C24—N1 | −62.19 (19) |
N1—C2—C7—C8 | −0.49 (17) | O1—C1—N1—C2 | −176.26 (15) |
C5—C6—C7—C2 | 1.7 (3) | C8—C1—N1—C2 | 3.07 (17) |
C5—C6—C7—C8 | 177.89 (17) | O1—C1—N1—C24 | −1.2 (3) |
C2—C7—C8—O2 | 117.07 (14) | C8—C1—N1—C24 | 178.13 (13) |
C6—C7—C8—O2 | −59.4 (2) | C3—C2—N1—C1 | 175.41 (16) |
C2—C7—C8—C13 | −124.86 (15) | C7—C2—N1—C1 | −1.69 (18) |
C6—C7—C8—C13 | 58.7 (2) | C3—C2—N1—C24 | 0.5 (3) |
C2—C7—C8—C1 | 2.16 (16) | C7—C2—N1—C24 | −176.63 (14) |
C6—C7—C8—C1 | −174.33 (17) | C23—C24—N1—C1 | 99.69 (18) |
O1—C1—C8—O2 | 56.1 (2) | C23—C24—N1—C2 | −85.98 (19) |
N1—C1—C8—O2 | −123.19 (14) | C11—C12—N2—C9 | −27.44 (19) |
O1—C1—C8—C7 | 176.18 (16) | C11—C12—N2—C13 | 87.73 (18) |
N1—C1—C8—C7 | −3.15 (16) | O2—C9—N2—C12 | 126.13 (15) |
O1—C1—C8—C13 | −54.2 (2) | C10—C9—N2—C12 | 6.41 (19) |
N1—C1—C8—C13 | 126.45 (14) | O2—C9—N2—C13 | 6.58 (18) |
O2—C9—C10—C11 | −98.40 (19) | C10—C9—N2—C13 | −113.15 (16) |
N2—C9—C10—C11 | 17.5 (2) | C14—C13—N2—C12 | 86.45 (18) |
C9—C10—C11—C12 | −33.3 (2) | C8—C13—N2—C12 | −146.21 (14) |
C10—C11—C12—N2 | 38.0 (2) | C14—C13—N2—C9 | −157.99 (14) |
O2—C8—C13—N2 | 43.82 (14) | C8—C13—N2—C9 | −30.64 (16) |
C7—C8—C13—N2 | −81.10 (16) | C22—C21—N3—N4 | 0.8 (2) |
C1—C8—C13—N2 | 157.94 (13) | C20—C21—N3—N4 | −174.12 (19) |
O2—C8—C13—C14 | 166.61 (14) | C21—N3—N4—N5 | −0.8 (3) |
C7—C8—C13—C14 | 41.7 (2) | N3—N4—N5—C22 | 0.5 (2) |
C1—C8—C13—C14 | −79.27 (18) | N3—N4—N5—C23 | 163.50 (17) |
N2—C13—C14—C15 | 45.4 (2) | C21—C22—N5—N4 | 0.0 (2) |
C8—C13—C14—C15 | −71.2 (2) | C21—C22—N5—C23 | −161.64 (16) |
N2—C13—C14—C19 | −133.54 (16) | C24—C23—N5—N4 | −76.5 (2) |
C8—C13—C14—C19 | 109.96 (18) | C24—C23—N5—C22 | 83.6 (2) |
C19—C14—C15—C16 | −3.4 (3) | N2—C9—O2—C8 | 22.94 (18) |
C13—C14—C15—C16 | 177.61 (16) | C10—C9—O2—C8 | 139.67 (15) |
C14—C15—C16—C17 | 1.6 (3) | C7—C8—O2—C9 | 86.14 (16) |
C15—C16—C17—C18 | 1.5 (3) | C13—C8—O2—C9 | −41.85 (16) |
C16—C17—C18—C19 | −2.5 (3) | C1—C8—O2—C9 | −161.66 (13) |
C17—C18—C19—O3 | 177.63 (18) | C18—C19—O3—C20 | 44.2 (2) |
C17—C18—C19—C14 | 0.6 (3) | C14—C19—O3—C20 | −138.69 (16) |
C15—C14—C19—O3 | −174.82 (14) | C21—C20—O3—C19 | 69.3 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
C3—H3···O1i | 0.93 | 2.45 | 3.311 (3) | 154 |
C23—H23B···O2i | 0.97 | 2.53 | 3.372 (3) | 145 |
C24—H24B···O1i | 0.97 | 2.31 | 3.209 (3) | 153 |
Symmetry code: (i) −x, y−1/2, −z+1/2. |
D—H···A | D—H | H···A | D···A | D—H···A |
C3—H3···O1i | 0.93 | 2.45 | 3.311 (3) | 154 |
C23—H23B···O2i | 0.97 | 2.53 | 3.372 (3) | 145 |
C24—H24B···O1i | 0.97 | 2.31 | 3.209 (3) | 153 |
Symmetry code: (i) −x, y−1/2, −z+1/2. |
Acknowledgements
The authors thank the TBI X-ray facility, CAS in Crystallography and Biophysics, University of Madras, India for the data collection. DV thanks the UGC (SAP–CAS) for the departmental facilities.
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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.
Macrocylces play a major role in drug development for their remarkable biological activities. Pyrrole, oxazole and indole derivatives possess various pharmaceutical properties (Fernandes et al., 2004; Jiang et al., 2004). In view of their potential bioactivity, we have synthesized series of macrocycles and report here the crystal structure of the title compound.
The bond lengths and bond angles are within the normal ranges and are comparable with the similar crystal structure (Narayanan et al., 2013). Traizole ring is planar and the oxindole moiety is nearly planar with a dihedral angle between the five- and six-membered rings being 3.3 (1)°. Atom O1 deviates by -0.080 (1) Å from the plane of the five-membered ring in oxindole moiety. In the pyrrolo-oxazole ring system, both pyrrolidine and oxazole rings adopt envelope conformations with C8 and C11 atoms deviating by -0.649 (2) and 0.565 (3) Å, respectively, from the mean plane of rest of the atoms in the corresponding rings. The crystal packing is stabilized by C—H···O intermolecular interactions, C3—H3···O1, C23—H23B···O2 and C24—H24B···O1 (Table 1), generating C(6), C(7) & C(5) chains, respectively, running along [010]. The intermolecular interaction network also generates R21(7), R22(8) and R22(11) ring motifs.