organic compounds
1-(Prop-2-en-1-yl)-3-{[3-(pyridin-4-yl)-4,5-dihydroisoxazol-5-yl]methyl}-1H-anthra[1,2-d]imidazole-2,6,11(3H)-trione
aLaboratoire de Chimie Organique Appliquée, Université Sidi Mohamed, Ben Abdallah, Faculté des Sciences et Techniques, Route d'Immouzzer, BP 2202 Fès, Morocco, bUnité de Catalyse et de Chimie du Solide (UCCS), UMR 8181 Ecole Nationale Supérieure de Chimie de Lille, France, cLaboratoire de Chimie Organique Hétérocyclique, URAC 21, Pôle de Compétences Pharmacochimie, Université Mohammed V-Agdal, BP 1014, Avenue Ibn Batouta, Rabat , Morocco, dUSR 3290 Miniaturisation pour l'Analyse, la Synthèse et la Protéomique, 59655 Villeneuve d'Ascq Cedex, Université Lille 1, France, and eLaboratoire de Chimie du Solide Appliquée, Faculté des Sciences, Université Mohammed V-Agdal, Avenue Ibn Battouta, BP 1014, Rabat, Morocco
*Correspondence e-mail: afrassou@yahoo.fr
The fused five- and three six-membered rings of the anthra[1,2-d]imidazoletrione part of the title compound, C27H20N4O4, show two different substituents at the imidazole N atoms, viz. an allyl group and a [3-(pyridin-4-yl)-4,5-dihydroisoxazol-5-yl]methyl group. The fused-ring system is approximately planar [r.m.s. deviation = 0.232 (2) Å], but is slightly buckled along the common edge of the two pairs of adjacent rings, with a dihedral angle between them of 11.17 (6)°. The isoxazole ring makes dihedral angles of 27.2 (2) and 12.7 (2)° with the imidazole and pyridine rings, respectively. Weak C—H⋯O and C—H⋯N hydrogen bonds ensure the cohesion of the forming a three-dimensional network.
Related literature
For the use of anthraquinone as an organic redox mediator, see: Campos-Martin et al. (2006); Harish et al. (2009); Jürmann et al. (2007); Manisankar & Gomathi (2005). For the biological activity of anthraquinone derivatives, see: Henderson et al. (1998); Barasch et al. (1999); Dou et al. (2009). For background to pH sensor applications, see: Wong et al. (2004); Lafitte et al. (2008); Wildgoose et al. (2003). For similar compounds, see: Afrakssou et al. (2010, 2011).
Experimental
Crystal data
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Data collection: APEX2 (Bruker, 2009); cell SAINT-Plus (Bruker, 2009); data reduction: SAINT-Plus; 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: PLATON (Spek, 2009) and publCIF (Westrip, 2010).
Supporting information
10.1107/S160053681301369X/im2433sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S160053681301369X/im2433Isup2.hkl
Supporting information file. DOI: 10.1107/S160053681301369X/im2433Isup3.cml
To a solution of 1,3-diallyl-1H-anthra[1,2-d]imidazole-2,6,11(3H) -trione (0.5 g, 1.45 mmol) and (E)-isonicotinaldehyde oxime (0.44 g, 3.62 mmol) in chloroform (16 ml) was added dropwise a 24% sodium hypochlorite solution (8 ml) at 273 K. Stirring was continued for 4 h. The organic layer was dried over Na2SO4 and the solvent was evaporated under reduced pressure. The residue was then purified by
on silica gel using a mixture of hexane/ethyl acetate (1/1) as The yield of the reaction is of 51%. Orange crystals were isolated after the solvent was allowed to evaporate.All H atoms could be located in a difference Fourier map. However, they were placed in calculated positions with C—H = 0.93 Å (aromatic and methyne), and C—H = 0.97 Å (methylene) and refined as riding on their parent atoms with Uiso(H) = 1.2 Ueq (C).
Data collection: APEX2 (Bruker, 2009); cell
SAINT-Plus (Bruker, 2009); data reduction: SAINT-Plus (Bruker, 2009); 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: PLATON (Spek, 2009) and publCIF (Westrip, 2010).Fig. 1. : Molecular structure of the title compound with the atom-labelling scheme. Displacement ellipsoids are drawn at the 50% probability level. H atoms are represented as small circles. | |
Fig. 2. : Intermolecular interactions in the title compound. Hydrogen bonds are shown as dashed lines. Symmetry codes: (i) -x + 1, -y + 1, -z + 2; (ii) -x + 3, -y, -z + 2. |
C27H20N4O4 | Z = 2 |
Mr = 464.47 | F(000) = 484 |
Triclinic, P1 | Dx = 1.403 Mg m−3 |
Hall symbol: -P 1 | Melting point: 443 K |
a = 8.0930 (2) Å | Mo Kα radiation, λ = 0.71073 Å |
b = 12.1191 (3) Å | Cell parameters from 8485 reflections |
c = 12.2743 (2) Å | θ = 2.8–26.0° |
α = 87.109 (1)° | µ = 0.10 mm−1 |
β = 73.612 (1)° | T = 296 K |
γ = 72.283 (1)° | Block, orange |
V = 1099.35 (4) Å3 | 0.14 × 0.10 × 0.08 mm |
Bruker APEXII CCD diffractometer | 3900 reflections with I > 2σ(I) |
Radiation source: microfocus source | Rint = 0.031 |
Graphite monochromator | θmax = 28.7°, θmin = 1.7° |
ϕ and ω scans | h = −10→10 |
36799 measured reflections | k = −16→16 |
5659 independent reflections | l = −16→16 |
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)] = 0.048 | Hydrogen site location: difference Fourier map |
wR(F2) = 0.148 | H-atom parameters constrained |
S = 1.02 | w = 1/[σ2(Fo2) + (0.0711P)2 + 0.2464P] where P = (Fo2 + 2Fc2)/3 |
5659 reflections | (Δ/σ)max < 0.001 |
316 parameters | Δρmax = 0.37 e Å−3 |
0 restraints | Δρmin = −0.20 e Å−3 |
C27H20N4O4 | γ = 72.283 (1)° |
Mr = 464.47 | V = 1099.35 (4) Å3 |
Triclinic, P1 | Z = 2 |
a = 8.0930 (2) Å | Mo Kα radiation |
b = 12.1191 (3) Å | µ = 0.10 mm−1 |
c = 12.2743 (2) Å | T = 296 K |
α = 87.109 (1)° | 0.14 × 0.10 × 0.08 mm |
β = 73.612 (1)° |
Bruker APEXII CCD diffractometer | 3900 reflections with I > 2σ(I) |
36799 measured reflections | Rint = 0.031 |
5659 independent reflections |
R[F2 > 2σ(F2)] = 0.048 | 0 restraints |
wR(F2) = 0.148 | H-atom parameters constrained |
S = 1.02 | Δρmax = 0.37 e Å−3 |
5659 reflections | Δρmin = −0.20 e Å−3 |
316 parameters |
Geometry. All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s in distances, angles and torsion angles; correlations between s.u.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell s.u.'s is used for estimating s.u.'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 | 0.5114 (2) | 0.62606 (14) | 1.11854 (16) | 0.0495 (4) | |
C2 | 0.3824 (3) | 0.73461 (16) | 1.1261 (2) | 0.0637 (5) | |
H2 | 0.3864 | 0.7808 | 1.0631 | 0.076* | |
C3 | 0.2504 (3) | 0.77342 (18) | 1.2256 (2) | 0.0742 (7) | |
H3 | 0.1658 | 0.8462 | 1.2302 | 0.089* | |
C4 | 0.2421 (3) | 0.70528 (19) | 1.3189 (2) | 0.0739 (6) | |
H4 | 0.1509 | 0.7316 | 1.3860 | 0.089* | |
C5 | 0.3689 (3) | 0.59784 (17) | 1.31336 (19) | 0.0637 (5) | |
H5 | 0.3630 | 0.5521 | 1.3766 | 0.076* | |
C6 | 0.5051 (2) | 0.55819 (14) | 1.21343 (15) | 0.0488 (4) | |
C7 | 0.6385 (2) | 0.44158 (14) | 1.20925 (14) | 0.0463 (4) | |
C8 | 0.7922 (2) | 0.40617 (13) | 1.10555 (13) | 0.0383 (3) | |
C9 | 0.7841 (2) | 0.46768 (13) | 1.00512 (13) | 0.0417 (3) | |
C10 | 0.6459 (2) | 0.58148 (15) | 1.00850 (16) | 0.0498 (4) | |
C11 | 0.93761 (19) | 0.30551 (12) | 1.09642 (12) | 0.0362 (3) | |
C12 | 1.0529 (2) | 0.26122 (13) | 0.98806 (12) | 0.0376 (3) | |
C13 | 1.0379 (2) | 0.31860 (15) | 0.89005 (13) | 0.0464 (4) | |
H13 | 1.1144 | 0.2877 | 0.8194 | 0.056* | |
C14 | 0.9049 (2) | 0.42393 (15) | 0.90068 (14) | 0.0478 (4) | |
H14 | 0.8960 | 0.4666 | 0.8363 | 0.057* | |
C15 | 1.1529 (2) | 0.14078 (13) | 1.11712 (13) | 0.0382 (3) | |
C16 | 0.9718 (2) | 0.24952 (15) | 1.29631 (13) | 0.0481 (4) | |
H16A | 1.0353 | 0.1796 | 1.3274 | 0.058* | |
H16B | 0.8438 | 0.2670 | 1.3348 | 0.058* | |
C17 | 1.0362 (3) | 0.34735 (19) | 1.31752 (16) | 0.0659 (5) | |
H17 | 1.1552 | 0.3440 | 1.2807 | 0.079* | |
C18 | 0.9359 (5) | 0.4370 (2) | 1.3844 (2) | 0.1064 (10) | |
H18A | 0.8164 | 0.4428 | 1.4223 | 0.128* | |
H18B | 0.9836 | 0.4953 | 1.3942 | 0.128* | |
C19 | 1.3115 (2) | 0.07767 (14) | 0.91585 (13) | 0.0418 (4) | |
H19A | 1.4231 | 0.0492 | 0.9374 | 0.050* | |
H19B | 1.3360 | 0.1169 | 0.8450 | 0.050* | |
C20 | 1.2483 (2) | −0.02358 (14) | 0.89840 (13) | 0.0426 (4) | |
H20 | 1.2199 | −0.0630 | 0.9698 | 0.051* | |
C21 | 1.3846 (2) | −0.10974 (14) | 0.80505 (14) | 0.0473 (4) | |
H21A | 1.5044 | −0.1010 | 0.7885 | 0.057* | |
H21B | 1.3904 | −0.1891 | 0.8245 | 0.057* | |
C22 | 1.3037 (2) | −0.07338 (14) | 0.70869 (13) | 0.0433 (4) | |
C23 | 1.3916 (2) | −0.11054 (15) | 0.58912 (14) | 0.0464 (4) | |
C24 | 1.5579 (3) | −0.19406 (17) | 0.55610 (16) | 0.0622 (5) | |
H24 | 1.6145 | −0.2309 | 0.6101 | 0.075* | |
C25 | 1.6397 (3) | −0.2224 (2) | 0.44121 (19) | 0.0754 (6) | |
H25 | 1.7517 | −0.2789 | 0.4207 | 0.090* | |
C26 | 1.4083 (4) | −0.0959 (2) | 0.39166 (17) | 0.0716 (6) | |
H26 | 1.3550 | −0.0618 | 0.3354 | 0.086* | |
C27 | 1.3145 (3) | −0.06123 (18) | 0.50314 (15) | 0.0581 (5) | |
H27 | 1.2015 | −0.0057 | 0.5206 | 0.070* | |
N1 | 1.00212 (17) | 0.22965 (11) | 1.17475 (10) | 0.0385 (3) | |
N2 | 1.17735 (17) | 0.15961 (11) | 1.00326 (10) | 0.0391 (3) | |
N3 | 1.14308 (19) | −0.00366 (13) | 0.73868 (12) | 0.0502 (4) | |
N4 | 1.5695 (3) | −0.17468 (18) | 0.35938 (15) | 0.0773 (6) | |
O1 | 0.61239 (19) | 0.37492 (12) | 1.28523 (12) | 0.0702 (4) | |
O2 | 0.6424 (2) | 0.63732 (13) | 0.92318 (13) | 0.0750 (4) | |
O3 | 1.24659 (15) | 0.06244 (10) | 1.15952 (9) | 0.0478 (3) | |
O4 | 1.08962 (15) | 0.01876 (11) | 0.85700 (10) | 0.0524 (3) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.0437 (9) | 0.0358 (8) | 0.0712 (11) | −0.0073 (7) | −0.0243 (8) | 0.0000 (8) |
C2 | 0.0596 (12) | 0.0400 (10) | 0.0947 (15) | −0.0030 (8) | −0.0391 (11) | 0.0001 (10) |
C3 | 0.0565 (12) | 0.0461 (11) | 0.1142 (19) | 0.0086 (9) | −0.0374 (12) | −0.0199 (12) |
C4 | 0.0505 (11) | 0.0595 (13) | 0.0962 (17) | 0.0019 (9) | −0.0117 (11) | −0.0244 (12) |
C5 | 0.0499 (10) | 0.0529 (11) | 0.0731 (13) | −0.0035 (8) | −0.0046 (9) | −0.0098 (9) |
C6 | 0.0404 (8) | 0.0387 (9) | 0.0618 (10) | −0.0068 (7) | −0.0107 (7) | −0.0039 (7) |
C7 | 0.0421 (8) | 0.0378 (8) | 0.0510 (9) | −0.0075 (7) | −0.0056 (7) | 0.0013 (7) |
C8 | 0.0387 (8) | 0.0332 (7) | 0.0417 (8) | −0.0095 (6) | −0.0105 (6) | 0.0011 (6) |
C9 | 0.0428 (8) | 0.0371 (8) | 0.0479 (9) | −0.0112 (6) | −0.0186 (7) | 0.0064 (6) |
C10 | 0.0497 (9) | 0.0415 (9) | 0.0625 (11) | −0.0120 (7) | −0.0259 (8) | 0.0115 (8) |
C11 | 0.0379 (7) | 0.0337 (7) | 0.0350 (7) | −0.0096 (6) | −0.0086 (6) | 0.0019 (6) |
C12 | 0.0368 (7) | 0.0378 (8) | 0.0374 (7) | −0.0095 (6) | −0.0107 (6) | −0.0015 (6) |
C13 | 0.0504 (9) | 0.0511 (10) | 0.0351 (8) | −0.0126 (8) | −0.0109 (7) | 0.0002 (7) |
C14 | 0.0559 (10) | 0.0498 (10) | 0.0400 (8) | −0.0161 (8) | −0.0184 (7) | 0.0104 (7) |
C15 | 0.0361 (7) | 0.0371 (8) | 0.0392 (8) | −0.0081 (6) | −0.0102 (6) | −0.0004 (6) |
C16 | 0.0589 (10) | 0.0446 (9) | 0.0329 (8) | −0.0097 (8) | −0.0073 (7) | 0.0039 (6) |
C17 | 0.0908 (15) | 0.0682 (13) | 0.0444 (10) | −0.0304 (12) | −0.0208 (10) | 0.0021 (9) |
C18 | 0.173 (3) | 0.0811 (18) | 0.0647 (15) | −0.0454 (19) | −0.0226 (17) | −0.0155 (13) |
C19 | 0.0333 (7) | 0.0453 (9) | 0.0395 (8) | −0.0044 (6) | −0.0055 (6) | −0.0059 (6) |
C20 | 0.0400 (8) | 0.0430 (8) | 0.0386 (8) | −0.0065 (6) | −0.0079 (6) | −0.0011 (6) |
C21 | 0.0465 (9) | 0.0412 (9) | 0.0468 (9) | −0.0034 (7) | −0.0109 (7) | −0.0057 (7) |
C22 | 0.0423 (8) | 0.0434 (9) | 0.0439 (8) | −0.0153 (7) | −0.0083 (7) | −0.0019 (7) |
C23 | 0.0532 (9) | 0.0459 (9) | 0.0426 (8) | −0.0237 (8) | −0.0075 (7) | −0.0013 (7) |
C24 | 0.0672 (12) | 0.0572 (11) | 0.0503 (10) | −0.0154 (9) | −0.0008 (9) | −0.0049 (8) |
C25 | 0.0807 (15) | 0.0671 (14) | 0.0613 (13) | −0.0206 (12) | 0.0070 (11) | −0.0112 (11) |
C26 | 0.1029 (18) | 0.0818 (15) | 0.0465 (10) | −0.0523 (15) | −0.0207 (11) | 0.0064 (10) |
C27 | 0.0685 (12) | 0.0629 (12) | 0.0505 (10) | −0.0312 (10) | −0.0166 (9) | 0.0033 (9) |
N1 | 0.0419 (7) | 0.0348 (6) | 0.0330 (6) | −0.0055 (5) | −0.0083 (5) | 0.0013 (5) |
N2 | 0.0373 (6) | 0.0388 (7) | 0.0349 (6) | −0.0040 (5) | −0.0078 (5) | −0.0020 (5) |
N3 | 0.0441 (8) | 0.0569 (9) | 0.0486 (8) | −0.0131 (7) | −0.0127 (6) | −0.0051 (7) |
N4 | 0.1033 (16) | 0.0782 (13) | 0.0495 (10) | −0.0441 (12) | −0.0005 (10) | −0.0073 (9) |
O1 | 0.0647 (8) | 0.0511 (8) | 0.0652 (8) | −0.0048 (6) | 0.0122 (6) | 0.0122 (6) |
O2 | 0.0784 (10) | 0.0606 (9) | 0.0739 (9) | −0.0016 (7) | −0.0277 (8) | 0.0263 (7) |
O3 | 0.0435 (6) | 0.0452 (6) | 0.0494 (6) | −0.0029 (5) | −0.0168 (5) | 0.0054 (5) |
O4 | 0.0367 (6) | 0.0643 (8) | 0.0502 (7) | −0.0081 (5) | −0.0083 (5) | −0.0125 (6) |
C1—C6 | 1.390 (3) | C16—C17 | 1.493 (3) |
C1—C2 | 1.397 (2) | C16—H16A | 0.9700 |
C1—C10 | 1.479 (3) | C16—H16B | 0.9700 |
C2—C3 | 1.368 (3) | C17—C18 | 1.300 (3) |
C2—H2 | 0.9300 | C17—H17 | 0.9300 |
C3—C4 | 1.376 (3) | C18—H18A | 0.9300 |
C3—H3 | 0.9300 | C18—H18B | 0.9300 |
C4—C5 | 1.382 (3) | C19—N2 | 1.4525 (18) |
C4—H4 | 0.9300 | C19—C20 | 1.511 (2) |
C5—C6 | 1.387 (2) | C19—H19A | 0.9700 |
C5—H5 | 0.9300 | C19—H19B | 0.9700 |
C6—C7 | 1.487 (2) | C20—O4 | 1.453 (2) |
C7—O1 | 1.218 (2) | C20—C21 | 1.525 (2) |
C7—C8 | 1.479 (2) | C20—H20 | 0.9800 |
C8—C11 | 1.397 (2) | C21—C22 | 1.494 (2) |
C8—C9 | 1.415 (2) | C21—H21A | 0.9700 |
C9—C14 | 1.388 (2) | C21—H21B | 0.9700 |
C9—C10 | 1.482 (2) | C22—N3 | 1.278 (2) |
C10—O2 | 1.220 (2) | C22—C23 | 1.465 (2) |
C11—N1 | 1.3943 (19) | C23—C24 | 1.380 (3) |
C11—C12 | 1.412 (2) | C23—C27 | 1.393 (3) |
C12—C13 | 1.376 (2) | C24—C25 | 1.389 (3) |
C12—N2 | 1.3760 (19) | C24—H24 | 0.9300 |
C13—C14 | 1.381 (2) | C25—N4 | 1.315 (3) |
C13—H13 | 0.9300 | C25—H25 | 0.9300 |
C14—H14 | 0.9300 | C26—N4 | 1.326 (3) |
C15—O3 | 1.2171 (18) | C26—C27 | 1.380 (3) |
C15—N2 | 1.3726 (19) | C26—H26 | 0.9300 |
C15—N1 | 1.3927 (19) | C27—H27 | 0.9300 |
C16—N1 | 1.4621 (19) | N3—O4 | 1.4084 (18) |
C6—C1—C2 | 119.35 (18) | C18—C17—C16 | 123.9 (2) |
C6—C1—C10 | 120.62 (15) | C18—C17—H17 | 118.1 |
C2—C1—C10 | 119.92 (17) | C16—C17—H17 | 118.1 |
C3—C2—C1 | 120.4 (2) | C17—C18—H18A | 120.0 |
C3—C2—H2 | 119.8 | C17—C18—H18B | 120.0 |
C1—C2—H2 | 119.8 | H18A—C18—H18B | 120.0 |
C2—C3—C4 | 120.29 (19) | N2—C19—C20 | 111.63 (12) |
C2—C3—H3 | 119.9 | N2—C19—H19A | 109.3 |
C4—C3—H3 | 119.9 | C20—C19—H19A | 109.3 |
C3—C4—C5 | 120.2 (2) | N2—C19—H19B | 109.3 |
C3—C4—H4 | 119.9 | C20—C19—H19B | 109.3 |
C5—C4—H4 | 119.9 | H19A—C19—H19B | 108.0 |
C4—C5—C6 | 120.1 (2) | O4—C20—C19 | 108.93 (13) |
C4—C5—H5 | 120.0 | O4—C20—C21 | 104.00 (12) |
C6—C5—H5 | 120.0 | C19—C20—C21 | 112.82 (13) |
C5—C6—C1 | 119.71 (17) | O4—C20—H20 | 110.3 |
C5—C6—C7 | 118.96 (17) | C19—C20—H20 | 110.3 |
C1—C6—C7 | 121.30 (15) | C21—C20—H20 | 110.3 |
O1—C7—C8 | 121.68 (15) | C22—C21—C20 | 100.34 (13) |
O1—C7—C6 | 120.30 (15) | C22—C21—H21A | 111.7 |
C8—C7—C6 | 117.76 (14) | C20—C21—H21A | 111.7 |
C11—C8—C9 | 116.86 (13) | C22—C21—H21B | 111.7 |
C11—C8—C7 | 123.26 (14) | C20—C21—H21B | 111.7 |
C9—C8—C7 | 119.39 (14) | H21A—C21—H21B | 109.5 |
C14—C9—C8 | 121.33 (15) | N3—C22—C23 | 120.26 (16) |
C14—C9—C10 | 117.88 (15) | N3—C22—C21 | 113.77 (14) |
C8—C9—C10 | 120.79 (15) | C23—C22—C21 | 125.98 (15) |
O2—C10—C1 | 120.60 (16) | C24—C23—C27 | 116.82 (17) |
O2—C10—C9 | 121.25 (17) | C24—C23—C22 | 121.28 (17) |
C1—C10—C9 | 118.15 (15) | C27—C23—C22 | 121.87 (17) |
N1—C11—C8 | 134.04 (13) | C23—C24—C25 | 119.1 (2) |
N1—C11—C12 | 106.27 (12) | C23—C24—H24 | 120.4 |
C8—C11—C12 | 119.68 (13) | C25—C24—H24 | 120.4 |
C13—C12—N2 | 129.78 (14) | N4—C25—C24 | 124.4 (2) |
C13—C12—C11 | 122.57 (14) | N4—C25—H25 | 117.8 |
N2—C12—C11 | 107.59 (13) | C24—C25—H25 | 117.8 |
C12—C13—C14 | 117.41 (14) | N4—C26—C27 | 124.4 (2) |
C12—C13—H13 | 121.3 | N4—C26—H26 | 117.8 |
C14—C13—H13 | 121.3 | C27—C26—H26 | 117.8 |
C13—C14—C9 | 121.59 (15) | C26—C27—C23 | 119.0 (2) |
C13—C14—H14 | 119.2 | C26—C27—H27 | 120.5 |
C9—C14—H14 | 119.2 | C23—C27—H27 | 120.5 |
O3—C15—N2 | 126.58 (14) | C15—N1—C11 | 109.31 (12) |
O3—C15—N1 | 126.66 (14) | C15—N1—C16 | 118.49 (13) |
N2—C15—N1 | 106.75 (13) | C11—N1—C16 | 129.16 (13) |
N1—C16—C17 | 111.20 (13) | C15—N2—C12 | 109.96 (12) |
N1—C16—H16A | 109.4 | C15—N2—C19 | 122.55 (13) |
C17—C16—H16A | 109.4 | C12—N2—C19 | 127.42 (13) |
N1—C16—H16B | 109.4 | C22—N3—O4 | 109.39 (13) |
C17—C16—H16B | 109.4 | C25—N4—C26 | 116.19 (19) |
H16A—C16—H16B | 108.0 | N3—O4—C20 | 108.52 (11) |
C6—C1—C2—C3 | −0.5 (3) | N1—C16—C17—C18 | 125.5 (2) |
C10—C1—C2—C3 | 175.79 (17) | N2—C19—C20—O4 | 63.70 (16) |
C1—C2—C3—C4 | −0.7 (3) | N2—C19—C20—C21 | 178.64 (13) |
C2—C3—C4—C5 | 1.0 (3) | O4—C20—C21—C22 | 18.17 (16) |
C3—C4—C5—C6 | −0.1 (3) | C19—C20—C21—C22 | −99.71 (15) |
C4—C5—C6—C1 | −1.1 (3) | C20—C21—C22—N3 | −12.02 (19) |
C4—C5—C6—C7 | −179.20 (18) | C20—C21—C22—C23 | 168.07 (15) |
C2—C1—C6—C5 | 1.4 (3) | N3—C22—C23—C24 | −173.79 (16) |
C10—C1—C6—C5 | −174.83 (17) | C21—C22—C23—C24 | 6.1 (3) |
C2—C1—C6—C7 | 179.42 (16) | N3—C22—C23—C27 | 8.2 (3) |
C10—C1—C6—C7 | 3.2 (3) | C21—C22—C23—C27 | −171.93 (16) |
C5—C6—C7—O1 | 11.5 (3) | C27—C23—C24—C25 | 1.2 (3) |
C1—C6—C7—O1 | −166.50 (18) | C22—C23—C24—C25 | −176.92 (17) |
C5—C6—C7—C8 | −174.24 (16) | C23—C24—C25—N4 | 0.0 (3) |
C1—C6—C7—C8 | 7.7 (2) | N4—C26—C27—C23 | 0.3 (3) |
O1—C7—C8—C11 | −13.9 (3) | C24—C23—C27—C26 | −1.4 (3) |
C6—C7—C8—C11 | 171.97 (15) | C22—C23—C27—C26 | 176.75 (16) |
O1—C7—C8—C9 | 157.86 (17) | O3—C15—N1—C11 | 176.95 (15) |
C6—C7—C8—C9 | −16.3 (2) | N2—C15—N1—C11 | −2.11 (16) |
C11—C8—C9—C14 | 6.1 (2) | O3—C15—N1—C16 | 14.9 (2) |
C7—C8—C9—C14 | −166.19 (15) | N2—C15—N1—C16 | −164.21 (13) |
C11—C8—C9—C10 | −173.72 (14) | C8—C11—N1—C15 | 178.90 (16) |
C7—C8—C9—C10 | 14.0 (2) | C12—C11—N1—C15 | −0.01 (16) |
C6—C1—C10—O2 | 174.24 (18) | C8—C11—N1—C16 | −21.5 (3) |
C2—C1—C10—O2 | −2.0 (3) | C12—C11—N1—C16 | 159.59 (15) |
C6—C1—C10—C9 | −5.8 (2) | C17—C16—N1—C15 | 99.02 (18) |
C2—C1—C10—C9 | 178.01 (15) | C17—C16—N1—C11 | −59.0 (2) |
C14—C9—C10—O2 | −2.8 (3) | O3—C15—N2—C12 | −175.56 (15) |
C8—C9—C10—O2 | 176.99 (16) | N1—C15—N2—C12 | 3.51 (17) |
C14—C9—C10—C1 | 177.19 (15) | O3—C15—N2—C19 | 7.3 (2) |
C8—C9—C10—C1 | −3.0 (2) | N1—C15—N2—C19 | −173.60 (13) |
C9—C8—C11—N1 | 172.45 (16) | C13—C12—N2—C15 | 173.53 (16) |
C7—C8—C11—N1 | −15.6 (3) | C11—C12—N2—C15 | −3.55 (17) |
C9—C8—C11—C12 | −8.8 (2) | C13—C12—N2—C19 | −9.5 (3) |
C7—C8—C11—C12 | 163.18 (14) | C11—C12—N2—C19 | 173.38 (13) |
N1—C11—C12—C13 | −175.20 (14) | C20—C19—N2—C15 | 78.33 (18) |
C8—C11—C12—C13 | 5.7 (2) | C20—C19—N2—C12 | −98.24 (18) |
N1—C11—C12—N2 | 2.14 (16) | C23—C22—N3—O4 | −179.88 (13) |
C8—C11—C12—N2 | −176.96 (13) | C21—C22—N3—O4 | 0.2 (2) |
N2—C12—C13—C14 | −176.07 (16) | C24—C25—N4—C26 | −1.1 (3) |
C11—C12—C13—C14 | 0.6 (2) | C27—C26—N4—C25 | 1.0 (3) |
C12—C13—C14—C9 | −3.5 (3) | C22—N3—O4—C20 | 12.78 (18) |
C8—C9—C14—C13 | 0.1 (3) | C19—C20—O4—N3 | 100.89 (14) |
C10—C9—C14—C13 | 179.91 (15) | C21—C20—O4—N3 | −19.64 (16) |
D—H···A | D—H | H···A | D···A | D—H···A |
C3—H3···N3i | 0.93 | 2.58 | 3.471 (2) | 160 |
C3—H3···O4i | 0.93 | 2.67 | 3.470 (2) | 145 |
C19—H19A···O3ii | 0.97 | 2.56 | 3.3356 (19) | 137 |
C21—H21A···O3ii | 0.97 | 2.45 | 3.350 (2) | 154 |
Symmetry codes: (i) −x+1, −y+1, −z+2; (ii) −x+3, −y, −z+2. |
Experimental details
Crystal data | |
Chemical formula | C27H20N4O4 |
Mr | 464.47 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 296 |
a, b, c (Å) | 8.0930 (2), 12.1191 (3), 12.2743 (2) |
α, β, γ (°) | 87.109 (1), 73.612 (1), 72.283 (1) |
V (Å3) | 1099.35 (4) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.10 |
Crystal size (mm) | 0.14 × 0.10 × 0.08 |
Data collection | |
Diffractometer | Bruker APEXII CCD diffractometer |
Absorption correction | – |
No. of measured, independent and observed [I > 2σ(I)] reflections | 36799, 5659, 3900 |
Rint | 0.031 |
(sin θ/λ)max (Å−1) | 0.676 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.048, 0.148, 1.02 |
No. of reflections | 5659 |
No. of parameters | 316 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.37, −0.20 |
Computer programs: APEX2 (Bruker, 2009), SAINT-Plus (Bruker, 2009), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEP-3 for Windows (Farrugia, 2012), PLATON (Spek, 2009) and publCIF (Westrip, 2010).
D—H···A | D—H | H···A | D···A | D—H···A |
C3—H3···N3i | 0.93 | 2.58 | 3.471 (2) | 160.0 |
C3—H3···O4i | 0.93 | 2.67 | 3.470 (2) | 145.1 |
C19—H19A···O3ii | 0.97 | 2.56 | 3.3356 (19) | 136.9 |
C21—H21A···O3ii | 0.97 | 2.45 | 3.350 (2) | 153.7 |
Symmetry codes: (i) −x+1, −y+1, −z+2; (ii) −x+3, −y, −z+2. |
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.
Anthraquinone is a versatile organic redox mediator and is useful for applications such as selective H2O2 production through oxygen reduction reaction (Campos-Martin et al., 2006); photo-cleavage of DNA (Henderson et al., 1998); anticancer activity (anthraquinone as central building block) (Barasch et al., 1999) and enzyme/mediator (Dou et al., 2009) etc. Similarly, electrodes that were chemically modified with anthraquinone were useful for several electrochemical (Harish et al., 2009); electrocatalytic (Jürmann et al., 2007; Manisankar et al., 2005); and pH sensor applications (Wong et al., 2004; Lafitte et al., 2008; Wildgoose et al., 2003).
In this work, we aim to prepare new derivatives of anthra [1,2-d]imidazole- 2,6,11–trione for biological activities. In a previous study we have synthesized the 1,3-diallyl-1H-anthra [1,2-d] imidazole-2,6,11(3H)-trione (Afrakssou et al., 2010), and, here we have focused in the reactivity of the exocyclic C=C bond of the allyl substituent towards nitriloxides (Afrakssou et al., 2011). The latter are produced as intermediates in the dehydrohalogenation of (E)-isonicotinaldehyde oxime by a solution of sodium hypochlorite. The oxime then reacts with 1, 3-diallyl-1H-anthra [1, 2 - d] imidazole-2, 6, 11(3H)-trione in a biphasic medium (water-chloroform) at 273 K during 4 h to a unique cycloadduct 1-allyl-3-((3-(pyridin-4-yl)-4,5-dihydroisoxazol-5-yl)methyl)- 1H-anthra[1,2-d]imidazole-2,6,11(3H)-trione (Scheme 1).
The molecule of title compound, C27H20N4O4, contains four fused rings, three are six-membered rings and one is the five-membered imidazole ring. The imidazole ring is on one side attached to the allyl chain and on the other side to a (3-(pyridin-4-yl)-4,5-dihydroisoxazol-5-yl)methyl group (Fig.1). The fused ring system is almost planar with the largest deviation from the mean plane being 0.232 (2) A° at C7. In this system, the two pairs of adjacent rings are slightly folded along the common edge (C8–C9) making a dihedral angle of 11.17 (6) °. The isoxazole (N3-O4-C20-C21-C22) ring makes dihedral angles of 27.2 (2) ° and 12.7 (2) ° with the imidazole (N1-N2-C11-C12-C15) and pyridine (N4-C23 to C27) rings, respectively.
Weak intermolecular C19–H19A···O3, C21–H21A···O3, C3–H3···O4 and C3–H3···N3 hydrogen bondings ensures the cohesion of the crystal structure as shown in Fig. 2 and Table 2.