organic compounds
N-{3-[2-(4-Fluorophenoxy)ethyl]-2,4-dioxo-1,3-diazaspiro[4.5]decan-7-yl}-4-methylbenzamide
aDepartment of Physics, Sri D Devaraja Urs Govt. First Grade College, Hunsur 571 105, Mysore District, Karnataka, India, bDepartment of Chemistry, Pondicherry University, Pondicherry 605 014, India, cDepartment of Physics, Yuvaraja's College (Constituent College), University of Mysore, Mysore 570 005, Karnataka, India, and dDepartment of Studies in Chemistry, Manasagangotri, University of Mysore, Mysore 570 006, Karnataka, India
*Correspondence e-mail: devarajegowda@yahoo.com
In the title compound, C24H26FN3O4, the two aromatic rings form a dihedral angle of 88.81 (15)°. The cyclohexane ring adopts a chair conformation and the five-membered ring is essentially planar, with a maximum deviation from planarity of 0.041 (2) Å. The displays intermolecular C—H⋯O and N—H⋯O hydrogen bonds.
Related literature
For the biological activity of related compounds, see: Cartwright et al. (2007); Collins (2000); Warshakoon et al. (2006). For the pharmaceutical activity of related compounds, see: Kiselyov et al. (2006); Sakthivel & Cook (2005); Eldrup et al. (2004); Bamford et al. (2005); Puerstinger et al. (2006). For reference bond-length data, see: Allen et al. (1987).
Experimental
Crystal data
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Refinement
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Data collection: CrysAlis PRO CCD (Oxford Diffraction, 2010); cell CrysAlis PRO CCD; data reduction: CrysAlis PRO RED (Oxford Diffraction, 2010); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997) and CAMERON (Watkin et al., 1993); software used to prepare material for publication: WinGX (Farrugia, 1999).
Supporting information
10.1107/S1600536811017946/wn2425sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536811017946/wn2425Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536811017946/wn2425Isup3.cml
tert-Butyl 4-oxocyclohexylcarbamate (5 g, 0.251 mol) and ammonium carbonate (4.99 g, 0.051 mol) were taken up in methanol (20 ml) and water (20 ml). A solution of sodium cyanide (2.41 g, 0.049 mol) in water (10 ml) was added dropwise and the reaction mixture stirred at RT for 24 hrs. It was then heated to 323 K for 2 days and cooled to RT. The resulting solid was filtered, washed with water and dried to yield hydantoin. This was taken up in acetonitrile (50 ml), K2CO3 (3.28 g, 0.023 mol) and 1-(2-bromoethoxy)-4- fluorobenzene (4.17 g, 0.019 mol) was added. The reaction mixture was heated at 358 K for 6 hrs, cooled to RT and filtered. The filtrate was concentrated to yield a white solid. The tert-butyl dicarbonate (BOC) was deprotected using dioxane-HCl (10 ml) and it was basified to obtain the free amine. The solid thus obtained was taken up (100 mg, 0.311 mmol) in dichloromethane (2 ml), and Et3N (0.2 ml) added. The mixture was then added to 4-methylbenzoyl chloride (57.7 mg, 0.373 mmol) and stirred at RT overnight. It was extracted in dichloromethane, concentrated, and purified using
over silica gel to yield the title compound (50 mg, 36.7%).All H atoms were placed at calculated positions and refined using a riding model. N—H = 0.86 Å, C—H = 0.98 Å for methine, C—H = 0.97 Å for methylene, C—H = 0.93 Å for Csp2 and C—H = 0.96 Å for methyl. Uiso(H) = 1.5Ueq(C) for methyl H and 1.2Ueq(C, N) for all other H atoms.
Data collection: CrysAlis PRO CCD (Oxford Diffraction, 2010); cell
CrysAlis PRO CCD (Oxford Diffraction, 2010); data reduction: CrysAlis PRO RED (Oxford Diffraction, 2010); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997) and CAMERON (Watkin et al., 1993); software used to prepare material for publication: WinGX (Farrugia, 1999).C24H26FN3O4 | Z = 2 |
Mr = 439.48 | F(000) = 464 |
Triclinic, P1 | Dx = 1.287 Mg m−3 |
Hall symbol: -P 1 | Melting point: 419 K |
a = 9.1436 (17) Å | Mo Kα radiation, λ = 0.71073 Å |
b = 10.103 (2) Å | Cell parameters from 3967 reflections |
c = 13.939 (2) Å | θ = 2.7–25.0° |
α = 99.239 (15)° | µ = 0.09 mm−1 |
β = 106.550 (14)° | T = 293 K |
γ = 107.417 (18)° | Prism, colourless |
V = 1134.5 (4) Å3 | 0.22 × 0.15 × 0.12 mm |
Oxford Diffraction Xcalibur diffractometer | 3967 independent reflections |
Radiation source: fine-focus sealed tube | 2163 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.045 |
Detector resolution: 15.9821 pixels mm-1 | θmax = 25.0°, θmin = 2.7° |
ω scans | h = −10→10 |
Absorption correction: multi-scan (CrysAlis PRO RED; Oxford Diffraction, 2010) | k = −12→12 |
Tmin = 0.770, Tmax = 1.000 | l = −16→16 |
7145 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)] = 0.052 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.135 | H-atom parameters constrained |
S = 0.90 | w = 1/[σ2(Fo2) + (0.0758P)2] where P = (Fo2 + 2Fc2)/3 |
3967 reflections | (Δ/σ)max < 0.001 |
289 parameters | Δρmax = 0.21 e Å−3 |
0 restraints | Δρmin = −0.19 e Å−3 |
C24H26FN3O4 | γ = 107.417 (18)° |
Mr = 439.48 | V = 1134.5 (4) Å3 |
Triclinic, P1 | Z = 2 |
a = 9.1436 (17) Å | Mo Kα radiation |
b = 10.103 (2) Å | µ = 0.09 mm−1 |
c = 13.939 (2) Å | T = 293 K |
α = 99.239 (15)° | 0.22 × 0.15 × 0.12 mm |
β = 106.550 (14)° |
Oxford Diffraction Xcalibur diffractometer | 3967 independent reflections |
Absorption correction: multi-scan (CrysAlis PRO RED; Oxford Diffraction, 2010) | 2163 reflections with I > 2σ(I) |
Tmin = 0.770, Tmax = 1.000 | Rint = 0.045 |
7145 measured reflections |
R[F2 > 2σ(F2)] = 0.052 | 0 restraints |
wR(F2) = 0.135 | H-atom parameters constrained |
S = 0.90 | Δρmax = 0.21 e Å−3 |
3967 reflections | Δρmin = −0.19 e Å−3 |
289 parameters |
Experimental. CrysAlis PRO, Oxford Diffraction Ltd., Version 1.171.33.55 (release 05–01–2010 CrysAlis171. NET) Empirical absorption correction using spherical harmonics, implemented in SCALE3 ABSPACK scaling algorithm. 1H NMR 400 MHz, DMSO-d6:δ 9.00 (s, 1H), 8.18 (d, J = 8.12 Hz, 1H), 7.72 (d, J = 8.16 Hz, 2H), 6.87–7.25 (m, 6H), 4.12 (q, J = 5.76 Hz, 3H), 3.71 (t, J = 5.84 Hz, 2H), 2.49–2.51 (m, 1H), 2.34 (s, 3H), 1.13–1.85 (m, 7H); MS:m/z 439.5 (M+), 440.5 (M+1); Anal.calcd for C24H26FN3O4: C, 65.59; H, 5.96; N, 9.56%; Found: C, 65.54; H, 5.92; N, 9.53%. |
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 > 2σ(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 | ||
F1 | −0.5189 (2) | 1.1248 (2) | −0.66068 (14) | 0.1221 (8) | |
O2 | −0.0604 (2) | 1.1356 (2) | −0.30513 (13) | 0.0641 (5) | |
O3 | −0.1769 (2) | 0.91403 (17) | −0.11175 (13) | 0.0591 (5) | |
O4 | 0.32910 (19) | 1.06151 (17) | −0.14001 (13) | 0.0621 (5) | |
O5 | 0.18882 (18) | 0.46876 (16) | 0.09178 (12) | 0.0594 (5) | |
N6 | 0.0690 (2) | 1.01919 (18) | −0.13490 (14) | 0.0458 (5) | |
N7 | −0.0049 (2) | 0.79320 (18) | −0.12864 (13) | 0.0459 (5) | |
H7 | −0.0661 | 0.7084 | −0.1313 | 0.055* | |
N8 | 0.3607 (2) | 0.67071 (18) | 0.07755 (14) | 0.0447 (5) | |
H8 | 0.4547 | 0.7397 | 0.1050 | 0.054* | |
C9 | −0.4037 (4) | 1.1332 (3) | −0.5707 (3) | 0.0780 (10) | |
C10 | −0.4070 (4) | 1.1951 (3) | −0.4784 (3) | 0.0768 (9) | |
H10 | −0.4858 | 1.2350 | −0.4762 | 0.092* | |
C11 | −0.2930 (3) | 1.1989 (3) | −0.3869 (2) | 0.0626 (7) | |
H11 | −0.2940 | 1.2426 | −0.3231 | 0.075* | |
C12 | −0.1786 (3) | 1.1383 (3) | −0.39054 (19) | 0.0532 (7) | |
C13 | −0.1785 (3) | 1.0763 (3) | −0.4859 (2) | 0.0733 (8) | |
H13 | −0.1014 | 1.0347 | −0.4891 | 0.088* | |
C14 | −0.2902 (4) | 1.0748 (4) | −0.5763 (2) | 0.0835 (10) | |
H14 | −0.2879 | 1.0343 | −0.6404 | 0.100* | |
C15 | −0.0734 (3) | 1.1746 (3) | −0.20599 (18) | 0.0560 (7) | |
H15A | −0.1757 | 1.1104 | −0.2052 | 0.067* | |
H15B | −0.0723 | 1.2721 | −0.1916 | 0.067* | |
C16 | 0.0680 (3) | 1.1645 (2) | −0.12513 (19) | 0.0585 (7) | |
H16A | 0.1691 | 1.2258 | −0.1293 | 0.070* | |
H16B | 0.0656 | 1.2010 | −0.0571 | 0.070* | |
C17 | −0.0530 (3) | 0.9055 (2) | −0.12341 (17) | 0.0447 (6) | |
C18 | 0.2006 (3) | 0.9841 (2) | −0.13550 (16) | 0.0458 (6) | |
C19 | 0.1618 (2) | 0.8280 (2) | −0.12944 (16) | 0.0393 (5) | |
C20 | 0.2797 (3) | 0.8245 (2) | −0.02788 (16) | 0.0402 (6) | |
H20A | 0.3916 | 0.8675 | −0.0249 | 0.048* | |
H20B | 0.2671 | 0.8808 | 0.0304 | 0.048* | |
C21 | 0.2468 (3) | 0.6706 (2) | −0.01947 (16) | 0.0411 (6) | |
H21 | 0.1354 | 0.6307 | −0.0189 | 0.049* | |
C22 | 0.2571 (3) | 0.5788 (3) | −0.11345 (19) | 0.0598 (7) | |
H22A | 0.3678 | 0.6149 | −0.1138 | 0.072* | |
H22B | 0.2324 | 0.4805 | −0.1083 | 0.072* | |
C23 | 0.1382 (3) | 0.5806 (3) | −0.21441 (19) | 0.0645 (8) | |
H23A | 0.0267 | 0.5373 | −0.2168 | 0.077* | |
H23B | 0.1504 | 0.5240 | −0.2727 | 0.077* | |
C24 | 0.1700 (3) | 0.7340 (3) | −0.22326 (18) | 0.0571 (7) | |
H24A | 0.0890 | 0.7334 | −0.2860 | 0.069* | |
H24B | 0.2773 | 0.7738 | −0.2282 | 0.069* | |
C25 | 0.3252 (3) | 0.5671 (2) | 0.12644 (17) | 0.0408 (6) | |
C26 | 0.4538 (2) | 0.5767 (2) | 0.22404 (17) | 0.0391 (5) | |
C27 | 0.6002 (3) | 0.6884 (3) | 0.27164 (19) | 0.0662 (8) | |
H27 | 0.6238 | 0.7647 | 0.2420 | 0.079* | |
C28 | 0.7148 (3) | 0.6921 (3) | 0.3625 (2) | 0.0723 (9) | |
H28 | 0.8133 | 0.7705 | 0.3921 | 0.087* | |
C29 | 0.6874 (3) | 0.5846 (3) | 0.40928 (19) | 0.0638 (8) | |
C30 | 0.5429 (4) | 0.4727 (4) | 0.3620 (3) | 0.1180 (16) | |
H30 | 0.5198 | 0.3969 | 0.3922 | 0.142* | |
C31 | 0.4285 (3) | 0.4671 (3) | 0.2704 (3) | 0.1025 (13) | |
H31 | 0.3321 | 0.3868 | 0.2397 | 0.123* | |
C32 | 0.8132 (4) | 0.5897 (4) | 0.5090 (2) | 0.1124 (14) | |
H32A | 0.7719 | 0.5052 | 0.5309 | 0.169* | |
H32B | 0.8347 | 0.6739 | 0.5619 | 0.169* | |
H32C | 0.9127 | 0.5933 | 0.4975 | 0.169* |
U11 | U22 | U33 | U12 | U13 | U23 | |
F1 | 0.1175 (15) | 0.1150 (16) | 0.0906 (13) | 0.0165 (13) | −0.0120 (12) | 0.0524 (12) |
O2 | 0.0677 (11) | 0.0840 (14) | 0.0567 (11) | 0.0419 (10) | 0.0252 (9) | 0.0281 (10) |
O3 | 0.0558 (11) | 0.0495 (10) | 0.0745 (12) | 0.0177 (9) | 0.0234 (10) | 0.0255 (9) |
O4 | 0.0522 (10) | 0.0471 (10) | 0.0820 (12) | 0.0029 (8) | 0.0205 (9) | 0.0392 (9) |
O5 | 0.0469 (10) | 0.0457 (10) | 0.0702 (11) | −0.0024 (8) | 0.0085 (9) | 0.0339 (9) |
N6 | 0.0492 (11) | 0.0292 (10) | 0.0504 (11) | 0.0061 (9) | 0.0094 (10) | 0.0186 (9) |
N7 | 0.0410 (10) | 0.0278 (10) | 0.0575 (12) | 0.0006 (8) | 0.0088 (9) | 0.0200 (9) |
N8 | 0.0381 (10) | 0.0322 (10) | 0.0571 (11) | 0.0031 (8) | 0.0111 (9) | 0.0236 (9) |
C9 | 0.078 (2) | 0.071 (2) | 0.067 (2) | 0.0094 (17) | 0.0062 (18) | 0.0400 (18) |
C10 | 0.077 (2) | 0.075 (2) | 0.091 (2) | 0.0356 (17) | 0.0264 (19) | 0.0465 (19) |
C11 | 0.0764 (19) | 0.0647 (18) | 0.0670 (17) | 0.0395 (16) | 0.0321 (16) | 0.0322 (15) |
C12 | 0.0574 (15) | 0.0552 (15) | 0.0560 (16) | 0.0213 (13) | 0.0253 (14) | 0.0277 (13) |
C13 | 0.0655 (18) | 0.088 (2) | 0.067 (2) | 0.0270 (17) | 0.0276 (16) | 0.0163 (17) |
C14 | 0.094 (2) | 0.084 (2) | 0.0567 (19) | 0.011 (2) | 0.0255 (19) | 0.0180 (17) |
C15 | 0.0770 (18) | 0.0440 (14) | 0.0574 (16) | 0.0267 (13) | 0.0279 (14) | 0.0244 (13) |
C16 | 0.0807 (18) | 0.0293 (12) | 0.0588 (15) | 0.0152 (12) | 0.0164 (14) | 0.0185 (12) |
C17 | 0.0451 (14) | 0.0358 (13) | 0.0418 (13) | 0.0047 (11) | 0.0057 (11) | 0.0175 (11) |
C18 | 0.0488 (14) | 0.0351 (12) | 0.0381 (12) | 0.0004 (12) | 0.0041 (11) | 0.0182 (11) |
C19 | 0.0408 (12) | 0.0308 (11) | 0.0415 (13) | 0.0054 (10) | 0.0116 (10) | 0.0168 (10) |
C20 | 0.0437 (12) | 0.0306 (12) | 0.0428 (12) | 0.0062 (10) | 0.0149 (11) | 0.0155 (10) |
C21 | 0.0406 (12) | 0.0327 (12) | 0.0490 (13) | 0.0083 (10) | 0.0150 (11) | 0.0196 (11) |
C22 | 0.0767 (18) | 0.0399 (14) | 0.0686 (17) | 0.0234 (13) | 0.0290 (15) | 0.0192 (13) |
C23 | 0.089 (2) | 0.0459 (15) | 0.0531 (15) | 0.0195 (14) | 0.0259 (15) | 0.0058 (13) |
C24 | 0.0681 (17) | 0.0527 (15) | 0.0434 (14) | 0.0113 (13) | 0.0174 (13) | 0.0190 (13) |
C25 | 0.0421 (12) | 0.0301 (12) | 0.0529 (13) | 0.0106 (10) | 0.0192 (11) | 0.0191 (11) |
C26 | 0.0404 (12) | 0.0315 (12) | 0.0490 (13) | 0.0121 (10) | 0.0186 (11) | 0.0175 (10) |
C27 | 0.0681 (17) | 0.0468 (15) | 0.0579 (15) | −0.0049 (13) | 0.0059 (14) | 0.0257 (13) |
C28 | 0.0620 (17) | 0.0583 (18) | 0.0632 (17) | −0.0048 (14) | −0.0006 (14) | 0.0215 (15) |
C29 | 0.0542 (15) | 0.0684 (18) | 0.0593 (16) | 0.0170 (14) | 0.0058 (13) | 0.0281 (14) |
C30 | 0.078 (2) | 0.092 (2) | 0.133 (3) | −0.0113 (19) | −0.023 (2) | 0.086 (2) |
C31 | 0.0685 (19) | 0.070 (2) | 0.117 (3) | −0.0167 (16) | −0.0207 (18) | 0.067 (2) |
C32 | 0.082 (2) | 0.121 (3) | 0.092 (2) | 0.010 (2) | −0.0166 (19) | 0.055 (2) |
F1—C9 | 1.360 (3) | C19—C24 | 1.522 (3) |
O2—C12 | 1.372 (3) | C19—C20 | 1.529 (3) |
O2—C15 | 1.423 (3) | C20—C21 | 1.523 (3) |
O3—C17 | 1.216 (3) | C20—H20A | 0.9700 |
O4—C18 | 1.226 (2) | C20—H20B | 0.9700 |
O5—C25 | 1.239 (2) | C21—C22 | 1.522 (3) |
N6—C18 | 1.355 (3) | C21—H21 | 0.9800 |
N6—C17 | 1.408 (3) | C22—C23 | 1.520 (3) |
N6—C16 | 1.455 (3) | C22—H22A | 0.9700 |
N7—C17 | 1.332 (3) | C22—H22B | 0.9700 |
N7—C19 | 1.462 (3) | C23—C24 | 1.521 (3) |
N7—H7 | 0.8600 | C23—H23A | 0.9700 |
N8—C25 | 1.348 (2) | C23—H23B | 0.9700 |
N8—C21 | 1.453 (3) | C24—H24A | 0.9700 |
N8—H8 | 0.8600 | C24—H24B | 0.9700 |
C9—C10 | 1.350 (4) | C25—C26 | 1.490 (3) |
C9—C14 | 1.353 (4) | C26—C27 | 1.362 (3) |
C10—C11 | 1.385 (4) | C26—C31 | 1.364 (3) |
C10—H10 | 0.9300 | C27—C28 | 1.381 (3) |
C11—C12 | 1.369 (3) | C27—H27 | 0.9300 |
C11—H11 | 0.9300 | C28—C29 | 1.351 (3) |
C12—C13 | 1.377 (4) | C28—H28 | 0.9300 |
C13—C14 | 1.372 (4) | C29—C30 | 1.352 (4) |
C13—H13 | 0.9300 | C29—C32 | 1.513 (4) |
C14—H14 | 0.9300 | C30—C31 | 1.381 (4) |
C15—C16 | 1.496 (3) | C30—H30 | 0.9300 |
C15—H15A | 0.9700 | C31—H31 | 0.9300 |
C15—H15B | 0.9700 | C32—H32A | 0.9600 |
C16—H16A | 0.9700 | C32—H32B | 0.9600 |
C16—H16B | 0.9700 | C32—H32C | 0.9600 |
C18—C19 | 1.531 (3) | ||
C12—O2—C15 | 118.2 (2) | C21—C20—H20B | 109.4 |
C18—N6—C17 | 111.22 (18) | C19—C20—H20B | 109.4 |
C18—N6—C16 | 123.88 (18) | H20A—C20—H20B | 108.0 |
C17—N6—C16 | 123.7 (2) | N8—C21—C22 | 112.08 (19) |
C17—N7—C19 | 113.54 (17) | N8—C21—C20 | 109.75 (17) |
C17—N7—H7 | 123.2 | C22—C21—C20 | 110.07 (16) |
C19—N7—H7 | 123.2 | N8—C21—H21 | 108.3 |
C25—N8—C21 | 122.74 (17) | C22—C21—H21 | 108.3 |
C25—N8—H8 | 118.6 | C20—C21—H21 | 108.3 |
C21—N8—H8 | 118.6 | C23—C22—C21 | 111.5 (2) |
C10—C9—C14 | 121.4 (3) | C23—C22—H22A | 109.3 |
C10—C9—F1 | 120.1 (4) | C21—C22—H22A | 109.3 |
C14—C9—F1 | 118.5 (4) | C23—C22—H22B | 109.3 |
C9—C10—C11 | 119.9 (3) | C21—C22—H22B | 109.3 |
C9—C10—H10 | 120.0 | H22A—C22—H22B | 108.0 |
C11—C10—H10 | 120.0 | C22—C23—C24 | 110.7 (2) |
C12—C11—C10 | 119.8 (3) | C22—C23—H23A | 109.5 |
C12—C11—H11 | 120.1 | C24—C23—H23A | 109.5 |
C10—C11—H11 | 120.1 | C22—C23—H23B | 109.5 |
C11—C12—O2 | 124.8 (2) | C24—C23—H23B | 109.5 |
C11—C12—C13 | 118.9 (3) | H23A—C23—H23B | 108.1 |
O2—C12—C13 | 116.3 (3) | C23—C24—C19 | 110.85 (17) |
C14—C13—C12 | 121.1 (3) | C23—C24—H24A | 109.5 |
C14—C13—H13 | 119.5 | C19—C24—H24A | 109.5 |
C12—C13—H13 | 119.5 | C23—C24—H24B | 109.5 |
C9—C14—C13 | 118.9 (3) | C19—C24—H24B | 109.5 |
C9—C14—H14 | 120.5 | H24A—C24—H24B | 108.1 |
C13—C14—H14 | 120.5 | O5—C25—N8 | 120.7 (2) |
O2—C15—C16 | 108.8 (2) | O5—C25—C26 | 121.51 (17) |
O2—C15—H15A | 109.9 | N8—C25—C26 | 117.78 (18) |
C16—C15—H15A | 109.9 | C27—C26—C31 | 115.8 (2) |
O2—C15—H15B | 109.9 | C27—C26—C25 | 124.64 (18) |
C16—C15—H15B | 109.9 | C31—C26—C25 | 119.5 (2) |
H15A—C15—H15B | 108.3 | C26—C27—C28 | 122.2 (2) |
N6—C16—C15 | 114.0 (2) | C26—C27—H27 | 118.9 |
N6—C16—H16A | 108.7 | C28—C27—H27 | 118.9 |
C15—C16—H16A | 108.7 | C29—C28—C27 | 121.6 (2) |
N6—C16—H16B | 108.7 | C29—C28—H28 | 119.2 |
C15—C16—H16B | 108.7 | C27—C28—H28 | 119.2 |
H16A—C16—H16B | 107.6 | C28—C29—C30 | 116.6 (2) |
O3—C17—N7 | 128.92 (19) | C28—C29—C32 | 121.3 (2) |
O3—C17—N6 | 124.1 (2) | C30—C29—C32 | 122.1 (2) |
N7—C17—N6 | 106.9 (2) | C29—C30—C31 | 122.2 (2) |
O4—C18—N6 | 127.1 (2) | C29—C30—H30 | 118.9 |
O4—C18—C19 | 125.1 (2) | C31—C30—H30 | 118.9 |
N6—C18—C19 | 107.82 (17) | C26—C31—C30 | 121.5 (2) |
N7—C19—C24 | 112.72 (18) | C26—C31—H31 | 119.2 |
N7—C19—C20 | 111.68 (16) | C30—C31—H31 | 119.2 |
C24—C19—C20 | 111.41 (19) | C29—C32—H32A | 109.5 |
N7—C19—C18 | 99.91 (19) | C29—C32—H32B | 109.5 |
C24—C19—C18 | 111.22 (16) | H32A—C32—H32B | 109.5 |
C20—C19—C18 | 109.34 (17) | C29—C32—H32C | 109.5 |
C21—C20—C19 | 111.03 (17) | H32A—C32—H32C | 109.5 |
C21—C20—H20A | 109.4 | H32B—C32—H32C | 109.5 |
C19—C20—H20A | 109.4 | ||
C14—C9—C10—C11 | −0.4 (4) | O4—C18—C19—C20 | 64.1 (3) |
F1—C9—C10—C11 | 177.8 (2) | N6—C18—C19—C20 | −115.9 (2) |
C9—C10—C11—C12 | −0.8 (4) | N7—C19—C20—C21 | 71.2 (2) |
C10—C11—C12—O2 | −179.9 (2) | C24—C19—C20—C21 | −55.8 (2) |
C10—C11—C12—C13 | 0.9 (4) | C18—C19—C20—C21 | −179.18 (19) |
C15—O2—C12—C11 | 11.8 (3) | C25—N8—C21—C22 | −84.7 (2) |
C15—O2—C12—C13 | −168.9 (2) | C25—N8—C21—C20 | 152.6 (2) |
C11—C12—C13—C14 | 0.1 (4) | C19—C20—C21—N8 | 179.89 (18) |
O2—C12—C13—C14 | −179.2 (2) | C19—C20—C21—C22 | 56.1 (2) |
C10—C9—C14—C13 | 1.4 (4) | N8—C21—C22—C23 | −179.60 (16) |
F1—C9—C14—C13 | −176.8 (2) | C20—C21—C22—C23 | −57.2 (2) |
C12—C13—C14—C9 | −1.2 (4) | C21—C22—C23—C24 | 57.2 (3) |
C12—O2—C15—C16 | −179.74 (19) | C22—C23—C24—C19 | −55.8 (3) |
C18—N6—C16—C15 | 129.5 (2) | N7—C19—C24—C23 | −71.1 (2) |
C17—N6—C16—C15 | −64.1 (3) | C20—C19—C24—C23 | 55.4 (3) |
O2—C15—C16—N6 | −64.6 (2) | C18—C19—C24—C23 | 177.7 (2) |
C19—N7—C17—O3 | −172.4 (2) | C21—N8—C25—O5 | −2.8 (3) |
C19—N7—C17—N6 | 8.0 (2) | C21—N8—C25—C26 | 178.4 (2) |
C18—N6—C17—O3 | 173.5 (2) | O5—C25—C26—C27 | −173.7 (2) |
C16—N6—C17—O3 | 5.6 (3) | N8—C25—C26—C27 | 5.1 (3) |
C18—N6—C17—N7 | −6.9 (2) | O5—C25—C26—C31 | 7.3 (4) |
C16—N6—C17—N7 | −174.82 (19) | N8—C25—C26—C31 | −173.8 (3) |
C17—N6—C18—O4 | −176.8 (2) | C31—C26—C27—C28 | −1.3 (4) |
C16—N6—C18—O4 | −8.9 (4) | C25—C26—C27—C28 | 179.7 (3) |
C17—N6—C18—C19 | 3.2 (2) | C26—C27—C28—C29 | −0.2 (5) |
C16—N6—C18—C19 | 171.07 (18) | C27—C28—C29—C30 | 0.7 (5) |
C17—N7—C19—C24 | −124.0 (2) | C27—C28—C29—C32 | −179.7 (3) |
C17—N7—C19—C20 | 109.7 (2) | C28—C29—C30—C31 | 0.2 (6) |
C17—N7—C19—C18 | −5.9 (2) | C32—C29—C30—C31 | −179.4 (4) |
O4—C18—C19—N7 | −178.6 (2) | C27—C26—C31—C30 | 2.2 (5) |
N6—C18—C19—N7 | 1.4 (2) | C25—C26—C31—C30 | −178.7 (3) |
O4—C18—C19—C24 | −59.4 (3) | C29—C30—C31—C26 | −1.7 (6) |
N6—C18—C19—C24 | 120.6 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
N7—H7···O5i | 0.86 | 2.06 | 2.892 (3) | 163 |
N8—H8···O4ii | 0.86 | 2.22 | 3.060 (3) | 165 |
C27—H27···O4ii | 0.93 | 2.45 | 3.370 (3) | 172 |
Symmetry codes: (i) −x, −y+1, −z; (ii) −x+1, −y+2, −z. |
Experimental details
Crystal data | |
Chemical formula | C24H26FN3O4 |
Mr | 439.48 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 293 |
a, b, c (Å) | 9.1436 (17), 10.103 (2), 13.939 (2) |
α, β, γ (°) | 99.239 (15), 106.550 (14), 107.417 (18) |
V (Å3) | 1134.5 (4) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.09 |
Crystal size (mm) | 0.22 × 0.15 × 0.12 |
Data collection | |
Diffractometer | Oxford Diffraction Xcalibur diffractometer |
Absorption correction | Multi-scan (CrysAlis PRO RED; Oxford Diffraction, 2010) |
Tmin, Tmax | 0.770, 1.000 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 7145, 3967, 2163 |
Rint | 0.045 |
(sin θ/λ)max (Å−1) | 0.595 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.052, 0.135, 0.90 |
No. of reflections | 3967 |
No. of parameters | 289 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.21, −0.19 |
Computer programs: CrysAlis PRO CCD (Oxford Diffraction, 2010), CrysAlis PRO RED (Oxford Diffraction, 2010), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEP-3 (Farrugia, 1997) and CAMERON (Watkin et al., 1993), WinGX (Farrugia, 1999).
D—H···A | D—H | H···A | D···A | D—H···A |
N7—H7···O5i | 0.86 | 2.06 | 2.892 (3) | 163 |
N8—H8···O4ii | 0.86 | 2.22 | 3.060 (3) | 165 |
C27—H27···O4ii | 0.93 | 2.45 | 3.370 (3) | 172 |
Symmetry codes: (i) −x, −y+1, −z; (ii) −x+1, −y+2, −z. |
Acknowledgements
The authors thank Professor T. N. Guru Row, Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore, for help with the data collection.
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.
One of the challenges of medicinal chemistry is the promotion of structural diversity, which can be achieved by the attachment of pharmacophoric groups to the significant molecular scaffold in combinatorial chemistry. Examples of such a process include di and tri-substituted hydantoins, which have been widely used in biological screenings, resulting in numerous pharmaceutical applications (Cartwright et al., 2007; Collins, 2000; Warshakoon et al., 2006). Hydantoin analogues have shown versatile therapeutic applications and some of them have been approved as drugs. For example, fosphenytoin as a sodium channel antagonist is used for the treatment of epilepsy. Phenytoin has antiarrhythmic, anticonvulsant, and antineuralgic activities. Ethotoin and mephenytoin both show anticonvulsant effects. Nilutamide is used in the treatment of prostate cancer (Kiselyov et al., 2006; Sakthivel & Cook, 2005; Eldrup et al., 2004; Bamford et al., 2005; Puerstinger et al., 2006).
The asymmetric unit of N-(3-(2-(4-fluorophenoxy)ethyl)-2,4- dioxo-1,3-diazaspiro[4.5]decan-7-yl)-4-methylbenzamide, C24H26FN3O4, contains just one molecule (Fig. 1). The two benzene rings (C9–C14) and (C26–C31) form a dihedral angle of 88.81 (15)°. The cyclohexane (C19–C24) ring adopts a chair conformation, and the five-membered ring is essentially planar, with a maximum deviation from planarity of 0.041 (2) Å for atom C17. Bond lengths (Allen et al., 1987) and angles are normal.
The crystal structure displays intermolecular hydrogen bonds C27—H27···O4, N7—H7···O5 and N8—H8···O4 (Table 1 and Fig. 2). The packing of molecules in the crystal structure is depicted in Fig. 2.