Abstract
The title compound, C15H23NO2S, synthesized by N-methylation of cyclohexylamine sulfonamide with propyl iodide, is of interest as a precursor to biologically active sulfur-containing heterocyclic compounds. The cyclohexyl ring exists in the chair form and the dihedral angle between the ring plane of the benzene ring and that of the cyclohexyl ring is 50.13 (9)°.
Related literature
For the synthesis of related molecules, see: Kayser et al. (2004 ▶); Zia-ur-Rehman et al. (2006 ▶, 2009 ▶). For the biological activity of sulfonamides, see: La Roche & Co (1967 ▶); Rough et al. (1998 ▶); Gennarti et al. (1994 ▶). For related structures, see: Arshad et al. (2008 ▶); Khan et al. (2009 ▶); Gowda et al. (2007a
▶,b
▶,c
▶). For bond-length data, see: Allen et al. (1987 ▶).
Experimental
Crystal data
C15H23NO2S
M r = 281.40
Monoclinic,
a = 8.5532 (3) Å
b = 11.6877 (4) Å
c = 15.4410 (5) Å
β = 90.649 (2)°
V = 1543.50 (9) Å3
Z = 4
Mo Kα radiation
μ = 0.21 mm−1
T = 296 K
0.42 × 0.31 × 0.25 mm
Data collection
Bruker APEXII CCD area-detector diffractometer
Absorption correction: multi-scan (SADABS; Bruker, 2007 ▶) T min = 0.918, T max = 0.950
17345 measured reflections
3839 independent reflections
2475 reflections with I > 2σ(I)
R int = 0.041
Refinement
R[F 2 > 2σ(F 2)] = 0.050
wR(F 2) = 0.141
S = 1.03
3839 reflections
173 parameters
H-atom parameters constrained
Δρmax = 0.29 e Å−3
Δρmin = −0.21 e Å−3
Data collection: APEX2 (Bruker, 2007 ▶); cell refinement: SAINT (Bruker, 2007 ▶); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: PLATON (Spek, 2009 ▶) and Mercury (Macrae et al., 2006 ▶); software used to prepare material for publication: WinGX (Farrugia, 1999 ▶) and PLATON.
Supplementary Material
Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536809046650/hg2581sup1.cif
Structure factors: contains datablocks I. DOI: 10.1107/S1600536809046650/hg2581Isup2.hkl
Additional supplementary materials: crystallographic information; 3D view; checkCIF report
Acknowledgments
The authors are grateful to the Higher Education Commission of Pakistan for the financial support to purchase the diffractometer.
supplementary crystallographic information
Comment
Sulfonamides are well known for their enormous potential as biologically active molecules (Rough et al., 1998). They are being used as anti-microbial (Kayser et al., 2004), anti-convulsant (Arshad et al., 2008), anti-cancer (La Roche & Co, 1967) agents and for the treatment of inflammatory rheumatic and non-rheumatic processes including onsets and traumatologic lesions (Gennarti et al., 1994). In the present paper, the structure of N-cyclohexyl-N-propyl benzene sulfonamide has been determined as part of a research program involving the synthesis and biological evaluation of sulfur containing heterocyclic compounds (Zia-ur-Rehman et al., 2006, 2009; Khan et al., 2009). In the molecule of (I) (Scheme 1; Fig. 1), bond lengths and bond angles are almost similar to those in the related molecules (Gowda et al., 2007a,b,c) and are within normal ranges (Allen et al., 1987). The benzene ring is essentially planar while cyclohexane ring is in chair form. No significant hydrogen bond interactions are observed in the title molecule. The dihedral angle between the phenyl and cyclohexane rings is 50.13 (9)%.
Experimental
A mixture of N-cyclohexylbenzene sulfonamide (1 g, 0.43 mmol), sodium hydride (0.21 g; 0.88 mmoles) and N, N-dimethylformamide (10.0 ml) was stirred at room temperature for half an hour followed by addition of propyl iodide (0.146 g; 0.86 mmoles). Stirring was continued further for a period of three hours and the contents were poured over crushed ice. Precipitated product was isolated, washed and crystallized from methanol.
Refinement
All hydrogen atoms were refined geometrically and treated as riding on their parent atoms. The following distances were used: Aromatic C–H=0.93Å, methine C–H=0.98Å, methylene C–H=0.97Å and methyl C–H=0.96Å U(H) was set to 1.2Ueq of the parent atoms or 1.5Ueq for methyl group.
Figures
Fig. 1.
The molecular structure of (I), with displacement ellipsoids at the 50% probability level.
Crystal data
| C15H23NO2S | F(000) = 608 |
| Mr = 281.40 | Dx = 1.211 Mg m−3 |
| Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
| Hall symbol: -P 2yn | Cell parameters from 4904 reflections |
| a = 8.5532 (3) Å | θ = 2.2–24.1° |
| b = 11.6877 (4) Å | µ = 0.21 mm−1 |
| c = 15.4410 (5) Å | T = 296 K |
| β = 90.649 (2)° | Needles, colourless |
| V = 1543.50 (9) Å3 | 0.42 × 0.31 × 0.25 mm |
| Z = 4 |
Data collection
| Bruker APEXII CCD area-detector diffractometer | 3839 independent reflections |
| Radiation source: fine-focus sealed tube | 2475 reflections with I > 2σ(I) |
| graphite | Rint = 0.041 |
| φ and ω scans | θmax = 28.3°, θmin = 2.2° |
| Absorption correction: multi-scan (SADABS; Bruker, 2007) | h = −11→11 |
| Tmin = 0.918, Tmax = 0.950 | k = −15→15 |
| 17345 measured reflections | l = −20→18 |
Refinement
| 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) = 0.141 | H-atom parameters constrained |
| S = 1.03 | w = 1/[σ2(Fo2) + (0.0648P)2 + 0.2752P] where P = (Fo2 + 2Fc2)/3 |
| 3839 reflections | (Δ/σ)max = 0.001 |
| 173 parameters | Δρmax = 0.29 e Å−3 |
| 0 restraints | Δρmin = −0.21 e Å−3 |
Special details
| 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. |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2)
| x | y | z | Uiso*/Ueq | ||
| S1 | 0.25538 (5) | 0.86234 (4) | 0.23201 (4) | 0.05546 (19) | |
| O1 | 0.36858 (17) | 0.78724 (15) | 0.26990 (10) | 0.0777 (5) | |
| O2 | 0.29533 (18) | 0.97863 (13) | 0.21357 (12) | 0.0803 (5) | |
| N1 | 0.10568 (17) | 0.86333 (13) | 0.29521 (10) | 0.0483 (4) | |
| C1 | 0.1958 (2) | 0.80108 (17) | 0.13244 (12) | 0.0480 (4) | |
| C2 | 0.1431 (3) | 0.8704 (2) | 0.06558 (16) | 0.0702 (6) | |
| H2 | 0.1435 | 0.9495 | 0.0718 | 0.084* | |
| C3 | 0.0896 (3) | 0.8205 (3) | −0.01092 (16) | 0.0908 (9) | |
| H3 | 0.0530 | 0.8666 | −0.0559 | 0.109* | |
| C4 | 0.0904 (3) | 0.7056 (3) | −0.02042 (18) | 0.0919 (9) | |
| H4 | 0.0546 | 0.6731 | −0.0719 | 0.110* | |
| C5 | 0.1431 (3) | 0.6373 (2) | 0.04474 (18) | 0.0800 (7) | |
| H5 | 0.1438 | 0.5584 | 0.0373 | 0.096* | |
| C6 | 0.1956 (2) | 0.68386 (18) | 0.12180 (14) | 0.0579 (5) | |
| H6 | 0.2307 | 0.6365 | 0.1664 | 0.070* | |
| C7 | −0.01977 (19) | 0.94843 (16) | 0.27965 (11) | 0.0458 (4) | |
| H7 | 0.0252 | 1.0101 | 0.2449 | 0.055* | |
| C8 | −0.0737 (2) | 1.00139 (17) | 0.36414 (12) | 0.0535 (5) | |
| H8A | −0.1183 | 0.9425 | 0.4006 | 0.064* | |
| H8B | 0.0154 | 1.0342 | 0.3947 | 0.064* | |
| C9 | −0.1949 (3) | 1.09394 (19) | 0.34699 (16) | 0.0680 (6) | |
| H9A | −0.2317 | 1.1236 | 0.4018 | 0.082* | |
| H9B | −0.1467 | 1.1565 | 0.3157 | 0.082* | |
| C10 | −0.3316 (2) | 1.0492 (2) | 0.29526 (14) | 0.0630 (6) | |
| H10A | −0.4030 | 1.1116 | 0.2825 | 0.076* | |
| H10B | −0.3871 | 0.9929 | 0.3293 | 0.076* | |
| C11 | −0.2801 (3) | 0.9953 (2) | 0.21182 (14) | 0.0703 (6) | |
| H11A | −0.2348 | 1.0533 | 0.1749 | 0.084* | |
| H11B | −0.3702 | 0.9632 | 0.1818 | 0.084* | |
| C12 | −0.1603 (2) | 0.9014 (2) | 0.22887 (14) | 0.0613 (6) | |
| H12A | −0.1255 | 0.8701 | 0.1742 | 0.074* | |
| H12B | −0.2084 | 0.8401 | 0.2615 | 0.074* | |
| C13 | 0.0697 (2) | 0.75885 (17) | 0.34458 (13) | 0.0545 (5) | |
| H13A | 0.1140 | 0.6935 | 0.3149 | 0.065* | |
| H13B | −0.0428 | 0.7487 | 0.3456 | 0.065* | |
| C14 | 0.1314 (3) | 0.7611 (2) | 0.43649 (16) | 0.0804 (7) | |
| H14A | 0.2445 | 0.7669 | 0.4357 | 0.097* | |
| H14B | 0.0914 | 0.8284 | 0.4655 | 0.097* | |
| C15 | 0.0861 (4) | 0.6566 (2) | 0.48662 (18) | 0.0980 (9) | |
| H15A | −0.0250 | 0.6564 | 0.4950 | 0.147* | |
| H15B | 0.1385 | 0.6571 | 0.5419 | 0.147* | |
| H15C | 0.1157 | 0.5894 | 0.4551 | 0.147* |
Atomic displacement parameters (Å2)
| U11 | U22 | U33 | U12 | U13 | U23 | |
| S1 | 0.0365 (3) | 0.0626 (3) | 0.0673 (4) | −0.0039 (2) | 0.0035 (2) | −0.0127 (3) |
| O1 | 0.0456 (8) | 0.1083 (13) | 0.0789 (11) | 0.0169 (8) | −0.0108 (7) | −0.0136 (9) |
| O2 | 0.0622 (9) | 0.0621 (10) | 0.1173 (13) | −0.0246 (7) | 0.0279 (9) | −0.0219 (9) |
| N1 | 0.0423 (8) | 0.0550 (9) | 0.0477 (9) | 0.0016 (7) | 0.0022 (7) | −0.0050 (7) |
| C1 | 0.0392 (9) | 0.0537 (11) | 0.0514 (11) | 0.0011 (8) | 0.0112 (8) | 0.0023 (9) |
| C2 | 0.0690 (15) | 0.0709 (15) | 0.0711 (16) | 0.0122 (11) | 0.0181 (12) | 0.0127 (12) |
| C3 | 0.0806 (18) | 0.140 (3) | 0.0521 (15) | 0.0295 (18) | 0.0081 (12) | 0.0178 (16) |
| C4 | 0.0700 (16) | 0.142 (3) | 0.0642 (17) | 0.0134 (18) | 0.0044 (13) | −0.0290 (18) |
| C5 | 0.0737 (17) | 0.0819 (17) | 0.0847 (19) | −0.0037 (13) | 0.0127 (14) | −0.0285 (15) |
| C6 | 0.0567 (12) | 0.0565 (12) | 0.0607 (13) | 0.0038 (9) | 0.0086 (10) | −0.0045 (10) |
| C7 | 0.0402 (9) | 0.0529 (11) | 0.0444 (10) | −0.0004 (8) | 0.0011 (7) | −0.0036 (8) |
| C8 | 0.0516 (11) | 0.0602 (12) | 0.0485 (11) | 0.0030 (9) | −0.0064 (8) | −0.0130 (9) |
| C9 | 0.0713 (15) | 0.0626 (13) | 0.0702 (14) | 0.0163 (11) | 0.0034 (11) | −0.0114 (11) |
| C10 | 0.0527 (12) | 0.0780 (14) | 0.0584 (13) | 0.0185 (10) | 0.0022 (10) | 0.0054 (11) |
| C11 | 0.0524 (12) | 0.1059 (19) | 0.0525 (12) | 0.0112 (12) | −0.0068 (10) | 0.0014 (12) |
| C12 | 0.0464 (11) | 0.0857 (15) | 0.0518 (12) | 0.0056 (10) | −0.0062 (9) | −0.0209 (11) |
| C13 | 0.0507 (11) | 0.0565 (12) | 0.0564 (12) | 0.0007 (9) | −0.0040 (9) | −0.0079 (9) |
| C14 | 0.0900 (18) | 0.0855 (17) | 0.0652 (15) | 0.0007 (14) | −0.0233 (13) | 0.0073 (13) |
| C15 | 0.119 (2) | 0.095 (2) | 0.0801 (18) | 0.0125 (17) | 0.0040 (17) | 0.0243 (15) |
Geometric parameters (Å, °)
| S1—O1 | 1.4274 (16) | C8—H8B | 0.9700 |
| S1—O2 | 1.4308 (16) | C9—C10 | 1.502 (3) |
| S1—N1 | 1.6187 (15) | C9—H9A | 0.9700 |
| S1—C1 | 1.7658 (19) | C9—H9B | 0.9700 |
| N1—C13 | 1.474 (2) | C10—C11 | 1.504 (3) |
| N1—C7 | 1.481 (2) | C10—H10A | 0.9700 |
| C1—C6 | 1.380 (3) | C10—H10B | 0.9700 |
| C1—C2 | 1.384 (3) | C11—C12 | 1.522 (3) |
| C2—C3 | 1.390 (4) | C11—H11A | 0.9700 |
| C2—H2 | 0.9300 | C11—H11B | 0.9700 |
| C3—C4 | 1.351 (4) | C12—H12A | 0.9700 |
| C3—H3 | 0.9300 | C12—H12B | 0.9700 |
| C4—C5 | 1.357 (4) | C13—C14 | 1.509 (3) |
| C4—H4 | 0.9300 | C13—H13A | 0.9700 |
| C5—C6 | 1.379 (3) | C13—H13B | 0.9700 |
| C5—H5 | 0.9300 | C14—C15 | 1.499 (3) |
| C6—H6 | 0.9300 | C14—H14A | 0.9700 |
| C7—C8 | 1.520 (2) | C14—H14B | 0.9700 |
| C7—C12 | 1.530 (2) | C15—H15A | 0.9600 |
| C7—H7 | 0.9800 | C15—H15B | 0.9600 |
| C8—C9 | 1.520 (3) | C15—H15C | 0.9600 |
| C8—H8A | 0.9700 | ||
| O1—S1—O2 | 120.22 (11) | C8—C9—H9A | 109.3 |
| O1—S1—N1 | 107.15 (9) | C10—C9—H9B | 109.3 |
| O2—S1—N1 | 107.79 (9) | C8—C9—H9B | 109.3 |
| O1—S1—C1 | 107.16 (9) | H9A—C9—H9B | 107.9 |
| O2—S1—C1 | 106.21 (10) | C9—C10—C11 | 111.57 (18) |
| N1—S1—C1 | 107.79 (8) | C9—C10—H10A | 109.3 |
| C13—N1—C7 | 119.02 (15) | C11—C10—H10A | 109.3 |
| C13—N1—S1 | 118.51 (13) | C9—C10—H10B | 109.3 |
| C7—N1—S1 | 118.92 (12) | C11—C10—H10B | 109.3 |
| C6—C1—C2 | 119.5 (2) | H10A—C10—H10B | 108.0 |
| C6—C1—S1 | 120.41 (15) | C10—C11—C12 | 110.90 (17) |
| C2—C1—S1 | 120.04 (17) | C10—C11—H11A | 109.5 |
| C1—C2—C3 | 119.4 (2) | C12—C11—H11A | 109.5 |
| C1—C2—H2 | 120.3 | C10—C11—H11B | 109.5 |
| C3—C2—H2 | 120.3 | C12—C11—H11B | 109.5 |
| C4—C3—C2 | 120.5 (3) | H11A—C11—H11B | 108.0 |
| C4—C3—H3 | 119.8 | C11—C12—C7 | 110.64 (17) |
| C2—C3—H3 | 119.8 | C11—C12—H12A | 109.5 |
| C3—C4—C5 | 120.4 (3) | C7—C12—H12A | 109.5 |
| C3—C4—H4 | 119.8 | C11—C12—H12B | 109.5 |
| C5—C4—H4 | 119.8 | C7—C12—H12B | 109.5 |
| C4—C5—C6 | 120.7 (3) | H12A—C12—H12B | 108.1 |
| C4—C5—H5 | 119.7 | N1—C13—C14 | 113.53 (17) |
| C6—C5—H5 | 119.7 | N1—C13—H13A | 108.9 |
| C5—C6—C1 | 119.6 (2) | C14—C13—H13A | 108.9 |
| C5—C6—H6 | 120.2 | N1—C13—H13B | 108.9 |
| C1—C6—H6 | 120.2 | C14—C13—H13B | 108.9 |
| N1—C7—C8 | 111.13 (14) | H13A—C13—H13B | 107.7 |
| N1—C7—C12 | 113.91 (15) | C15—C14—C13 | 112.4 (2) |
| C8—C7—C12 | 110.00 (15) | C15—C14—H14A | 109.1 |
| N1—C7—H7 | 107.2 | C13—C14—H14A | 109.1 |
| C8—C7—H7 | 107.2 | C15—C14—H14B | 109.1 |
| C12—C7—H7 | 107.2 | C13—C14—H14B | 109.1 |
| C9—C8—C7 | 110.68 (16) | H14A—C14—H14B | 107.8 |
| C9—C8—H8A | 109.5 | C14—C15—H15A | 109.5 |
| C7—C8—H8A | 109.5 | C14—C15—H15B | 109.5 |
| C9—C8—H8B | 109.5 | H15A—C15—H15B | 109.5 |
| C7—C8—H8B | 109.5 | C14—C15—H15C | 109.5 |
| H8A—C8—H8B | 108.1 | H15A—C15—H15C | 109.5 |
| C10—C9—C8 | 111.73 (18) | H15B—C15—H15C | 109.5 |
| C10—C9—H9A | 109.3 | ||
| O1—S1—N1—C13 | −31.31 (16) | C2—C1—C6—C5 | 0.1 (3) |
| O2—S1—N1—C13 | −162.01 (14) | S1—C1—C6—C5 | 177.52 (16) |
| C1—S1—N1—C13 | 83.73 (14) | C13—N1—C7—C8 | 64.7 (2) |
| O1—S1—N1—C7 | 170.12 (13) | S1—N1—C7—C8 | −136.84 (14) |
| O2—S1—N1—C7 | 39.42 (16) | C13—N1—C7—C12 | −60.2 (2) |
| C1—S1—N1—C7 | −74.84 (15) | S1—N1—C7—C12 | 98.24 (17) |
| O1—S1—C1—C6 | 30.33 (18) | N1—C7—C8—C9 | 176.37 (16) |
| O2—S1—C1—C6 | 160.00 (15) | C12—C7—C8—C9 | −56.5 (2) |
| N1—S1—C1—C6 | −84.70 (16) | C7—C8—C9—C10 | 55.9 (2) |
| O1—S1—C1—C2 | −152.24 (16) | C8—C9—C10—C11 | −55.4 (3) |
| O2—S1—C1—C2 | −22.57 (18) | C9—C10—C11—C12 | 55.7 (3) |
| N1—S1—C1—C2 | 92.73 (17) | C10—C11—C12—C7 | −56.7 (3) |
| C6—C1—C2—C3 | 0.5 (3) | N1—C7—C12—C11 | −177.24 (17) |
| S1—C1—C2—C3 | −176.93 (17) | C8—C7—C12—C11 | 57.2 (2) |
| C1—C2—C3—C4 | −0.6 (4) | C7—N1—C13—C14 | −103.9 (2) |
| C2—C3—C4—C5 | 0.1 (4) | S1—N1—C13—C14 | 97.55 (19) |
| C3—C4—C5—C6 | 0.5 (4) | N1—C13—C14—C15 | 177.0 (2) |
| C4—C5—C6—C1 | −0.6 (3) |
Footnotes
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: HG2581).
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Associated Data
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Supplementary Materials
Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536809046650/hg2581sup1.cif
Structure factors: contains datablocks I. DOI: 10.1107/S1600536809046650/hg2581Isup2.hkl
Additional supplementary materials: crystallographic information; 3D view; checkCIF report

