organic compounds
N-[3-(4-Fluorobenzyl)-2,4-dioxo-1,3-diazaspiro[4.5]dec-8-yl]-2-methylbenzenesulfonamide
aDepartment of Physics, Yuvaraja's College (Constituent College), University of Mysore, Mysore 570 005, Karnataka, India, bDepartment of Physics, Sri D. Devaraja Urs Govt. First Grade College, Hunsur 571 105, Mysore District, Karnataka, India, cDepartment of Studies in Chemistry, Manasagangotri, University of Mysore, Mysore 570 006, Karnataka, India, and dDepartment of Chemistry, Pondicherry, University, Pondicherry 605 014, India
*Correspondence e-mail: vinduvahinim@yahoo.in
In the title compound, C22H24FN3O4S, the cyclohexane ring adopts a chair conformation and the five-membered ring is essentially planar, with a maximum deviation of 0.040 (2) Å. The dihedral angles between the five-membered ring and the tolyl and fluorobenzene rings are 56.74 (12) and 89.88 (12)°, respectively. The two terminal benzene rings make a dihedral angle of 63.53 (12)°. The displays intermolecular C—H⋯O and N—H⋯O hydrogen bonds. An intramolecular C—H⋯O hydrogen bond also occurs.
Related literature
For the biological activity of related compounds, see: Cartwright et al. (2007); Collins (2000); Warshakoon et al. (2006) and for their pharmaceutical activity, see: Kiselyov et al. (2006); Sakthivel & Cook (2005); Eldrup et al. (2004); Bamford et al. (2005); Puerstinger et al. (2006).
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/S160053681105269X/wn2460sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S160053681105269X/wn2460Isup2.hkl
Supporting information file. DOI: 10.1107/S160053681105269X/wn2460Isup3.cml
A mixture of tert-butyl (4-oxocyclohexyl)carbamate (2 g, 9.37 mmol) and ammonium carbonate (1.08 g, 11.2 mmol) were taken up in ethanol and water, respectively. A solution of sodium cyanide (2 g, 9.37 mmol) in water (6 ml) was added dropwise and the reaction mixture was stirred at RT for 24 hrs. A mixture of anhydrous potassium carbonate (1.28 g, 9.31 mmol) and 1-(bromomethyl)-4-fluorobenzene (1.30 g, 6.9 mmol) in DMF (20ml) was refluxed and the solid was filtered, washed with water and dried in vacuum to yield hydantoin. The tert-butyl dicarbonate (BOC) was de-protected using dioxane-HCl and rendered basic to obtain the free amine. A mixture of the product (0.2 g, 0.686 mmol), triethylamine (0.083 g, 0.82 mmol) and sulfonyl chloride (0.083 g, 0.617 mmol) in dichloromethane (10ml) was stirred at room temperature. After completion of the reaction (checked by TLC) the product was concentrated in vacuum to give the title compound (160 mg, 53%), which was recrystalized using 1:1 hexane: ethyl acetate as solvent.
All H atoms were placed at calculated positions and refined as riding, with N—H = 0.86 Å, C(methine)—H = 0.98 Å, C(methylene)—H = 0.97 Å , Csp2—H = 0.93 Å and C(methyl)—H = 0.96 Å. Uiso(H) = xUeq(C,N), where x = 1.5 for methyl H and 1.2 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).C22H24FN3O4S | F(000) = 936 |
Mr = 445.50 | Dx = 1.405 Mg m−3 |
Monoclinic, P21/c | Melting point: 425 K |
Hall symbol: -P 2ybc | Mo Kα radiation, λ = 0.71073 Å |
a = 5.8314 (3) Å | Cell parameters from 3693 reflections |
b = 26.3603 (11) Å | θ = 2.8–25.0° |
c = 13.8558 (7) Å | µ = 0.20 mm−1 |
β = 98.623 (5)° | T = 293 K |
V = 2105.80 (18) Å3 | Prism, colourless |
Z = 4 | 0.20 × 0.15 × 0.12 mm |
Oxford Diffraction Xcalibur diffractometer | 3693 independent reflections |
Radiation source: fine-focus sealed tube | 3034 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.044 |
Detector resolution: 15.9821 pixels mm-1 | θmax = 25.0°, θmin = 2.8° |
ω scans | h = −6→6 |
Absorption correction: multi-scan (CrysAlis PRO RED; Oxford Diffraction, 2010) | k = −31→31 |
Tmin = 0.771, Tmax = 1.000 | l = −16→16 |
23208 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)] = 0.043 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.114 | H-atom parameters constrained |
S = 1.06 | w = 1/[σ2(Fo2) + (0.0528P)2 + 1.3845P] where P = (Fo2 + 2Fc2)/3 |
3693 reflections | (Δ/σ)max = 0.001 |
280 parameters | Δρmax = 0.46 e Å−3 |
0 restraints | Δρmin = −0.43 e Å−3 |
C22H24FN3O4S | V = 2105.80 (18) Å3 |
Mr = 445.50 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 5.8314 (3) Å | µ = 0.20 mm−1 |
b = 26.3603 (11) Å | T = 293 K |
c = 13.8558 (7) Å | 0.20 × 0.15 × 0.12 mm |
β = 98.623 (5)° |
Oxford Diffraction Xcalibur diffractometer | 3693 independent reflections |
Absorption correction: multi-scan (CrysAlis PRO RED; Oxford Diffraction, 2010) | 3034 reflections with I > 2σ(I) |
Tmin = 0.771, Tmax = 1.000 | Rint = 0.044 |
23208 measured reflections |
R[F2 > 2σ(F2)] = 0.043 | 0 restraints |
wR(F2) = 0.114 | H-atom parameters constrained |
S = 1.06 | Δρmax = 0.46 e Å−3 |
3693 reflections | Δρmin = −0.43 e Å−3 |
280 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. Colourless solid; Yield: 98 mg, 64%; mp:425 K; IR cm-1 (KBr) 3355 (N—H), 1652, 1344 (S=O); Anal.Calcd for C22H24FN3O4S: C, 59.31; H, 5.43; N, 9.43%, Found, C, 58.75; H, 5.39; N, 9.11%. |
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 | ||
S1 | 0.25585 (10) | 0.57039 (2) | 0.03784 (4) | 0.03284 (17) | |
F2 | 0.6870 (4) | 0.79980 (6) | 0.74198 (16) | 0.0846 (6) | |
O3 | −0.0805 (3) | 0.64828 (7) | 0.51242 (13) | 0.0477 (5) | |
O4 | 0.4811 (3) | 0.53253 (6) | 0.61681 (12) | 0.0437 (4) | |
O5 | 0.4857 (3) | 0.58150 (7) | 0.08365 (12) | 0.0435 (4) | |
O6 | 0.2245 (3) | 0.53545 (6) | −0.04209 (12) | 0.0439 (4) | |
N7 | 0.2751 (3) | 0.54833 (7) | 0.46471 (13) | 0.0342 (4) | |
H7 | 0.3265 | 0.5239 | 0.4328 | 0.041* | |
N8 | 0.1988 (3) | 0.59465 (7) | 0.58837 (13) | 0.0320 (4) | |
N9 | 0.1103 (3) | 0.54742 (7) | 0.11805 (13) | 0.0342 (4) | |
H9 | 0.0578 | 0.5170 | 0.1098 | 0.041* | |
C10 | 0.5716 (5) | 0.75487 (9) | 0.7276 (2) | 0.0512 (7) | |
C11 | 0.6523 (5) | 0.71902 (10) | 0.6701 (2) | 0.0474 (6) | |
H11 | 0.7829 | 0.7251 | 0.6406 | 0.057* | |
C12 | 0.5351 (4) | 0.67352 (9) | 0.65691 (17) | 0.0396 (6) | |
H12 | 0.5881 | 0.6486 | 0.6182 | 0.048* | |
C13 | 0.3403 (4) | 0.66429 (8) | 0.70011 (15) | 0.0315 (5) | |
C14 | 0.2645 (4) | 0.70179 (9) | 0.75752 (17) | 0.0407 (6) | |
H14 | 0.1335 | 0.6962 | 0.7869 | 0.049* | |
C15 | 0.3800 (5) | 0.74727 (10) | 0.7718 (2) | 0.0509 (7) | |
H15 | 0.3289 | 0.7723 | 0.8107 | 0.061* | |
C16 | 0.2155 (4) | 0.61414 (9) | 0.68760 (16) | 0.0369 (5) | |
H16A | 0.2971 | 0.5897 | 0.7325 | 0.044* | |
H16B | 0.0606 | 0.6182 | 0.7040 | 0.044* | |
C17 | 0.3364 (4) | 0.55541 (8) | 0.56046 (16) | 0.0312 (5) | |
C18 | 0.1119 (3) | 0.58646 (8) | 0.41997 (15) | 0.0267 (4) | |
C19 | 0.0576 (4) | 0.61430 (8) | 0.50965 (16) | 0.0309 (5) | |
C20 | −0.1057 (4) | 0.56436 (9) | 0.36050 (17) | 0.0368 (5) | |
H20A | −0.2186 | 0.5912 | 0.3442 | 0.044* | |
H20B | −0.1728 | 0.5395 | 0.3998 | 0.044* | |
C21 | −0.0561 (4) | 0.53917 (9) | 0.26671 (16) | 0.0347 (5) | |
H21A | 0.0427 | 0.5098 | 0.2830 | 0.042* | |
H21B | −0.2005 | 0.5275 | 0.2294 | 0.042* | |
C22 | 0.0622 (4) | 0.57566 (8) | 0.20473 (15) | 0.0293 (5) | |
H22 | −0.0443 | 0.6036 | 0.1835 | 0.035* | |
C23 | 0.2805 (4) | 0.59716 (9) | 0.26402 (16) | 0.0335 (5) | |
H23A | 0.3504 | 0.6215 | 0.2248 | 0.040* | |
H23B | 0.3912 | 0.5700 | 0.2815 | 0.040* | |
C24 | 0.2269 (4) | 0.62287 (8) | 0.35617 (15) | 0.0322 (5) | |
H24A | 0.1248 | 0.6515 | 0.3384 | 0.039* | |
H24B | 0.3696 | 0.6357 | 0.3931 | 0.039* | |
C25 | 0.1245 (4) | 0.62927 (8) | 0.00021 (15) | 0.0316 (5) | |
C26 | −0.0956 (4) | 0.63160 (9) | −0.05589 (16) | 0.0350 (5) | |
C27 | −0.1911 (5) | 0.67963 (10) | −0.07325 (18) | 0.0448 (6) | |
H27 | −0.3385 | 0.6825 | −0.1093 | 0.054* | |
C28 | −0.0752 (5) | 0.72314 (10) | −0.03893 (19) | 0.0517 (7) | |
H28 | −0.1452 | 0.7546 | −0.0516 | 0.062* | |
C29 | 0.1422 (5) | 0.72009 (10) | 0.01356 (19) | 0.0523 (7) | |
H29 | 0.2219 | 0.7494 | 0.0357 | 0.063* | |
C30 | 0.2426 (5) | 0.67305 (9) | 0.03346 (17) | 0.0418 (6) | |
H30 | 0.3904 | 0.6707 | 0.0694 | 0.050* | |
C31 | −0.2300 (4) | 0.58652 (10) | −0.0997 (2) | 0.0476 (6) | |
H31A | −0.1433 | 0.5561 | −0.0817 | 0.071* | |
H31B | −0.2565 | 0.5897 | −0.1695 | 0.071* | |
H31C | −0.3761 | 0.5849 | −0.0759 | 0.071* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0350 (3) | 0.0353 (3) | 0.0273 (3) | 0.0006 (2) | 0.0020 (2) | −0.0056 (2) |
F2 | 0.0989 (15) | 0.0430 (9) | 0.1017 (15) | −0.0217 (9) | −0.0184 (12) | 0.0032 (10) |
O3 | 0.0504 (10) | 0.0498 (10) | 0.0435 (10) | 0.0222 (9) | 0.0094 (8) | −0.0031 (8) |
O4 | 0.0563 (11) | 0.0373 (9) | 0.0333 (9) | 0.0142 (8) | −0.0068 (8) | −0.0005 (7) |
O5 | 0.0328 (9) | 0.0554 (10) | 0.0404 (9) | 0.0026 (8) | −0.0009 (7) | −0.0069 (8) |
O6 | 0.0513 (10) | 0.0443 (10) | 0.0363 (9) | 0.0004 (8) | 0.0074 (8) | −0.0140 (8) |
N7 | 0.0474 (12) | 0.0268 (9) | 0.0269 (9) | 0.0127 (8) | 0.0007 (8) | −0.0041 (8) |
N8 | 0.0391 (11) | 0.0300 (9) | 0.0267 (9) | 0.0038 (8) | 0.0045 (8) | −0.0027 (8) |
N9 | 0.0451 (11) | 0.0272 (9) | 0.0289 (10) | −0.0047 (8) | 0.0013 (8) | −0.0027 (8) |
C10 | 0.0607 (18) | 0.0321 (13) | 0.0532 (16) | −0.0021 (12) | −0.0164 (14) | 0.0063 (12) |
C11 | 0.0402 (14) | 0.0541 (16) | 0.0460 (15) | −0.0047 (12) | −0.0002 (11) | 0.0069 (13) |
C12 | 0.0404 (13) | 0.0448 (14) | 0.0347 (12) | 0.0041 (11) | 0.0091 (10) | −0.0055 (11) |
C13 | 0.0348 (12) | 0.0347 (12) | 0.0240 (10) | 0.0071 (9) | 0.0014 (9) | −0.0026 (9) |
C14 | 0.0397 (13) | 0.0448 (14) | 0.0371 (13) | 0.0119 (11) | 0.0043 (11) | −0.0068 (11) |
C15 | 0.0618 (18) | 0.0360 (14) | 0.0508 (16) | 0.0161 (12) | −0.0048 (14) | −0.0124 (12) |
C16 | 0.0459 (14) | 0.0399 (13) | 0.0261 (11) | 0.0004 (10) | 0.0094 (10) | −0.0034 (10) |
C17 | 0.0399 (13) | 0.0227 (10) | 0.0300 (11) | 0.0024 (9) | 0.0020 (10) | 0.0003 (9) |
C18 | 0.0282 (11) | 0.0240 (10) | 0.0272 (11) | 0.0029 (8) | 0.0016 (9) | −0.0003 (9) |
C19 | 0.0320 (12) | 0.0296 (11) | 0.0317 (12) | 0.0002 (9) | 0.0067 (9) | 0.0000 (9) |
C20 | 0.0323 (12) | 0.0442 (13) | 0.0343 (12) | −0.0093 (10) | 0.0059 (10) | −0.0010 (10) |
C21 | 0.0322 (12) | 0.0368 (12) | 0.0333 (12) | −0.0101 (10) | −0.0011 (9) | −0.0042 (10) |
C22 | 0.0329 (12) | 0.0281 (11) | 0.0248 (11) | 0.0012 (9) | −0.0023 (9) | −0.0020 (9) |
C23 | 0.0356 (12) | 0.0358 (12) | 0.0292 (11) | −0.0105 (10) | 0.0047 (9) | −0.0024 (10) |
C24 | 0.0386 (12) | 0.0277 (11) | 0.0296 (11) | −0.0071 (9) | 0.0022 (10) | −0.0020 (9) |
C25 | 0.0395 (13) | 0.0344 (12) | 0.0214 (10) | −0.0026 (10) | 0.0064 (9) | −0.0016 (9) |
C26 | 0.0389 (13) | 0.0413 (13) | 0.0249 (11) | −0.0021 (10) | 0.0054 (10) | 0.0034 (10) |
C27 | 0.0470 (15) | 0.0514 (15) | 0.0348 (13) | 0.0073 (12) | 0.0018 (11) | 0.0068 (12) |
C28 | 0.077 (2) | 0.0395 (14) | 0.0373 (14) | 0.0141 (14) | 0.0059 (14) | 0.0038 (12) |
C29 | 0.080 (2) | 0.0354 (14) | 0.0393 (14) | −0.0076 (13) | 0.0014 (14) | −0.0058 (11) |
C30 | 0.0506 (15) | 0.0419 (14) | 0.0307 (12) | −0.0073 (11) | −0.0008 (11) | −0.0038 (11) |
C31 | 0.0400 (14) | 0.0532 (15) | 0.0462 (15) | −0.0072 (12) | −0.0047 (11) | 0.0029 (12) |
S1—O5 | 1.4248 (17) | C18—C20 | 1.522 (3) |
S1—O6 | 1.4310 (16) | C18—C24 | 1.526 (3) |
S1—N9 | 1.6141 (19) | C20—C21 | 1.525 (3) |
S1—C25 | 1.774 (2) | C20—H20A | 0.9700 |
F2—C10 | 1.362 (3) | C20—H20B | 0.9700 |
O3—C19 | 1.209 (3) | C21—C22 | 1.522 (3) |
O4—C17 | 1.219 (3) | C21—H21A | 0.9700 |
N7—C17 | 1.334 (3) | C21—H21B | 0.9700 |
N7—C18 | 1.457 (3) | C22—C23 | 1.518 (3) |
N7—H7 | 0.8600 | C22—H22 | 0.9800 |
N8—C19 | 1.366 (3) | C23—C24 | 1.519 (3) |
N8—C17 | 1.399 (3) | C23—H23A | 0.9700 |
N8—C16 | 1.457 (3) | C23—H23B | 0.9700 |
N9—C22 | 1.475 (3) | C24—H24A | 0.9700 |
N9—H9 | 0.8600 | C24—H24B | 0.9700 |
C10—C11 | 1.364 (4) | C25—C30 | 1.387 (3) |
C10—C15 | 1.367 (4) | C25—C26 | 1.399 (3) |
C11—C12 | 1.379 (4) | C26—C27 | 1.390 (3) |
C11—H11 | 0.9300 | C26—C31 | 1.501 (3) |
C12—C13 | 1.383 (3) | C27—C28 | 1.379 (4) |
C12—H12 | 0.9300 | C27—H27 | 0.9300 |
C13—C14 | 1.382 (3) | C28—C29 | 1.366 (4) |
C13—C16 | 1.507 (3) | C28—H28 | 0.9300 |
C14—C15 | 1.375 (4) | C29—C30 | 1.381 (4) |
C14—H14 | 0.9300 | C29—H29 | 0.9300 |
C15—H15 | 0.9300 | C30—H30 | 0.9300 |
C16—H16A | 0.9700 | C31—H31A | 0.9600 |
C16—H16B | 0.9700 | C31—H31B | 0.9600 |
C18—C19 | 1.517 (3) | C31—H31C | 0.9600 |
O5—S1—O6 | 118.65 (10) | C21—C20—H20A | 109.2 |
O5—S1—N9 | 109.09 (10) | C18—C20—H20B | 109.2 |
O6—S1—N9 | 105.79 (10) | C21—C20—H20B | 109.2 |
O5—S1—C25 | 106.68 (11) | H20A—C20—H20B | 107.9 |
O6—S1—C25 | 109.65 (10) | C22—C21—C20 | 111.44 (18) |
N9—S1—C25 | 106.39 (10) | C22—C21—H21A | 109.3 |
C17—N7—C18 | 112.76 (17) | C20—C21—H21A | 109.3 |
C17—N7—H7 | 123.6 | C22—C21—H21B | 109.3 |
C18—N7—H7 | 123.6 | C20—C21—H21B | 109.3 |
C19—N8—C17 | 111.21 (18) | H21A—C21—H21B | 108.0 |
C19—N8—C16 | 124.50 (18) | N9—C22—C23 | 112.51 (18) |
C17—N8—C16 | 124.18 (18) | N9—C22—C21 | 107.33 (17) |
C22—N9—S1 | 123.70 (15) | C23—C22—C21 | 110.18 (17) |
C22—N9—H9 | 118.1 | N9—C22—H22 | 108.9 |
S1—N9—H9 | 118.1 | C23—C22—H22 | 108.9 |
F2—C10—C11 | 118.8 (3) | C21—C22—H22 | 108.9 |
F2—C10—C15 | 118.7 (3) | C22—C23—C24 | 111.09 (18) |
C11—C10—C15 | 122.5 (2) | C22—C23—H23A | 109.4 |
C10—C11—C12 | 118.2 (3) | C24—C23—H23A | 109.4 |
C10—C11—H11 | 120.9 | C22—C23—H23B | 109.4 |
C12—C11—H11 | 120.9 | C24—C23—H23B | 109.4 |
C11—C12—C13 | 121.2 (2) | H23A—C23—H23B | 108.0 |
C11—C12—H12 | 119.4 | C23—C24—C18 | 111.72 (17) |
C13—C12—H12 | 119.4 | C23—C24—H24A | 109.3 |
C14—C13—C12 | 118.5 (2) | C18—C24—H24A | 109.3 |
C14—C13—C16 | 120.2 (2) | C23—C24—H24B | 109.3 |
C12—C13—C16 | 121.2 (2) | C18—C24—H24B | 109.3 |
C15—C14—C13 | 121.0 (2) | H24A—C24—H24B | 107.9 |
C15—C14—H14 | 119.5 | C30—C25—C26 | 121.1 (2) |
C13—C14—H14 | 119.5 | C30—C25—S1 | 117.35 (18) |
C10—C15—C14 | 118.6 (2) | C26—C25—S1 | 121.43 (17) |
C10—C15—H15 | 120.7 | C27—C26—C25 | 116.5 (2) |
C14—C15—H15 | 120.7 | C27—C26—C31 | 118.7 (2) |
N8—C16—C13 | 112.37 (18) | C25—C26—C31 | 124.7 (2) |
N8—C16—H16A | 109.1 | C28—C27—C26 | 122.3 (2) |
C13—C16—H16A | 109.1 | C28—C27—H27 | 118.8 |
N8—C16—H16B | 109.1 | C26—C27—H27 | 118.8 |
C13—C16—H16B | 109.1 | C29—C28—C27 | 120.2 (2) |
H16A—C16—H16B | 107.9 | C29—C28—H28 | 119.9 |
O4—C17—N7 | 128.6 (2) | C27—C28—H28 | 119.9 |
O4—C17—N8 | 124.0 (2) | C28—C29—C30 | 119.4 (2) |
N7—C17—N8 | 107.40 (18) | C28—C29—H29 | 120.3 |
N7—C18—C19 | 100.86 (16) | C30—C29—H29 | 120.3 |
N7—C18—C20 | 113.88 (18) | C29—C30—C25 | 120.4 (2) |
C19—C18—C20 | 111.67 (17) | C29—C30—H30 | 119.8 |
N7—C18—C24 | 111.37 (18) | C25—C30—H30 | 119.8 |
C19—C18—C24 | 109.52 (17) | C26—C31—H31A | 109.5 |
C20—C18—C24 | 109.28 (17) | C26—C31—H31B | 109.5 |
O3—C19—N8 | 125.5 (2) | H31A—C31—H31B | 109.5 |
O3—C19—C18 | 127.3 (2) | C26—C31—H31C | 109.5 |
N8—C19—C18 | 107.20 (17) | H31A—C31—H31C | 109.5 |
C18—C20—C21 | 112.24 (18) | H31B—C31—H31C | 109.5 |
C18—C20—H20A | 109.2 | ||
O5—S1—N9—C22 | 62.17 (19) | C20—C18—C19—N8 | 126.81 (19) |
O6—S1—N9—C22 | −169.14 (16) | C24—C18—C19—N8 | −112.00 (19) |
C25—S1—N9—C22 | −52.56 (19) | N7—C18—C20—C21 | −70.2 (2) |
F2—C10—C11—C12 | 179.4 (2) | C19—C18—C20—C21 | 176.36 (18) |
C15—C10—C11—C12 | −0.2 (4) | C24—C18—C20—C21 | 55.0 (2) |
C10—C11—C12—C13 | 0.3 (4) | C18—C20—C21—C22 | −55.6 (3) |
C11—C12—C13—C14 | −0.2 (4) | S1—N9—C22—C23 | −52.8 (2) |
C11—C12—C13—C16 | −178.6 (2) | S1—N9—C22—C21 | −174.14 (15) |
C12—C13—C14—C15 | −0.1 (3) | C20—C21—C22—N9 | 178.00 (17) |
C16—C13—C14—C15 | 178.3 (2) | C20—C21—C22—C23 | 55.2 (2) |
F2—C10—C15—C14 | −179.7 (2) | N9—C22—C23—C24 | −176.14 (17) |
C11—C10—C15—C14 | −0.1 (4) | C21—C22—C23—C24 | −56.4 (2) |
C13—C14—C15—C10 | 0.3 (4) | C22—C23—C24—C18 | 57.9 (2) |
C19—N8—C16—C13 | −72.2 (3) | N7—C18—C24—C23 | 70.5 (2) |
C17—N8—C16—C13 | 103.6 (2) | C19—C18—C24—C23 | −178.80 (18) |
C14—C13—C16—N8 | 141.1 (2) | C20—C18—C24—C23 | −56.2 (2) |
C12—C13—C16—N8 | −40.5 (3) | O5—S1—C25—C30 | −10.0 (2) |
C18—N7—C17—O4 | −174.2 (2) | O6—S1—C25—C30 | −139.68 (18) |
C18—N7—C17—N8 | 7.0 (3) | N9—S1—C25—C30 | 106.36 (19) |
C19—N8—C17—O4 | 178.1 (2) | O5—S1—C25—C26 | 173.77 (18) |
C16—N8—C17—O4 | 1.9 (3) | O6—S1—C25—C26 | 44.1 (2) |
C19—N8—C17—N7 | −3.0 (3) | N9—S1—C25—C26 | −69.9 (2) |
C16—N8—C17—N7 | −179.2 (2) | C30—C25—C26—C27 | −2.1 (3) |
C17—N7—C18—C19 | −7.7 (2) | S1—C25—C26—C27 | 173.96 (18) |
C17—N7—C18—C20 | −127.5 (2) | C30—C25—C26—C31 | 176.3 (2) |
C17—N7—C18—C24 | 108.4 (2) | S1—C25—C26—C31 | −7.6 (3) |
C17—N8—C19—O3 | 179.4 (2) | C25—C26—C27—C28 | 1.1 (4) |
C16—N8—C19—O3 | −4.3 (4) | C31—C26—C27—C28 | −177.4 (2) |
C17—N8—C19—C18 | −1.9 (2) | C26—C27—C28—C29 | 0.5 (4) |
C16—N8—C19—C18 | 174.32 (19) | C27—C28—C29—C30 | −1.2 (4) |
N7—C18—C19—O3 | −175.9 (2) | C28—C29—C30—C25 | 0.3 (4) |
C20—C18—C19—O3 | −54.6 (3) | C26—C25—C30—C29 | 1.5 (4) |
C24—C18—C19—O3 | 66.6 (3) | S1—C25—C30—C29 | −174.8 (2) |
N7—C18—C19—N8 | 5.5 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
N7—H7···O4i | 0.86 | 2.04 | 2.885 (2) | 166 |
N9—H9···O6ii | 0.86 | 2.24 | 3.013 (2) | 149 |
C12—H12···O3iii | 0.93 | 2.59 | 3.290 (3) | 132 |
C31—H31A···O6 | 0.96 | 2.20 | 2.973 (3) | 137 |
C31—H31C···O5iv | 0.96 | 2.47 | 3.238 (3) | 137 |
Symmetry codes: (i) −x+1, −y+1, −z+1; (ii) −x, −y+1, −z; (iii) x+1, y, z; (iv) x−1, y, z. |
Experimental details
Crystal data | |
Chemical formula | C22H24FN3O4S |
Mr | 445.50 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 293 |
a, b, c (Å) | 5.8314 (3), 26.3603 (11), 13.8558 (7) |
β (°) | 98.623 (5) |
V (Å3) | 2105.80 (18) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.20 |
Crystal size (mm) | 0.20 × 0.15 × 0.12 |
Data collection | |
Diffractometer | Oxford Diffraction Xcalibur diffractometer |
Absorption correction | Multi-scan (CrysAlis PRO RED; Oxford Diffraction, 2010) |
Tmin, Tmax | 0.771, 1.000 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 23208, 3693, 3034 |
Rint | 0.044 |
(sin θ/λ)max (Å−1) | 0.594 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.043, 0.114, 1.06 |
No. of reflections | 3693 |
No. of parameters | 280 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.46, −0.43 |
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···O4i | 0.86 | 2.04 | 2.885 (2) | 166.00 |
N9—H9···O6ii | 0.86 | 2.24 | 3.013 (2) | 149.00 |
C12—H12···O3iii | 0.93 | 2.59 | 3.290 (3) | 132.00 |
C31—H31A···O6 | 0.96 | 2.20 | 2.973 (3) | 137.00 |
C31—H31C···O5iv | 0.96 | 2.47 | 3.238 (3) | 137.00 |
Symmetry codes: (i) −x+1, −y+1, −z+1; (ii) −x, −y+1, −z; (iii) x+1, y, z; (iv) x−1, y, z. |
Acknowledgements
The authors thank Dr Binoy Krishna Saha, Department of Chemistry, Pondicherry University, for the data collection and Dr H. C. Devarajegowda, Department of Physics, Yuvaraja's Collage, University of Mysore, for his help and encouragement.
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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 significant molecular scaffolds in combinatorial chemistry. An example of such a process includes 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 activity. 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-(4-fluorobenzyl)-2,4-dioxo- 1,3-diazaspiro[4.5] dec-8-yl]-2-methylbenzenesulfonamide, C22H24FN3O4S, contains just one molecule (Fig. 1). The cyclohexane ring adopts a chair conformation and the five-membered ring is essentially planar, with a maximum deviation from planarity of 0.040 (2) Å, for atom C18. The dihedral angles between the five-membered ring and the (C25—C30) and (C10—C15) rings are 56.74 (12)° and 89.88 (12)°, respectively. The two terminal aromatic rings make a dihedral angle of 63.53 (12)°. The crystal structure displays intermolecular N7—H7···O4, N9—H9···O6, C12—H12···O3 and C31—H31C···O5 hydrogen bonds (Table 1); an intramolecular C31—H31A···O6 hydrogen bond is also observed. The packing of the molecules in the title structure is depicted in Fig. 2. A short contact of 2.04 Å was observed for H9···H31A.