organic compounds
2-{4-Methyl-N-[(2,3,4,9-tetrahydro-1H-carbazol-3-yl)methyl]benzenesulfonamido}ethyl 4-methylbenzenesulfonate
aDokuz Eylül University, Faculty of Sciences, Department of Chemistry, Tınaztepe, 35160 Buca, İzmir, Turkey, bUniversité de Montréal, Département de Chimie, H3C 3J7, Montréal, Québec, Canada, cDepartment of Physics, Sakarya University, 54187 Esentepe, Sakarya, Turkey, and dHacettepe University, Department of Physics, 06800 Beytepe, Ankara, Turkey
*Correspondence e-mail: merzifon@hacettepe.edu.tr
In the title compound, C29H32N2O5S2, the indole ring system is nearly planar, with a maximum deviation of 0.013 (2) Å, and the cyclohexenone ring has an with the methine C atom as the flap. The two methylbenzene rings are approximately perpendicular to each other, making a dihedral angle of 89.09 (8)°. In the crystal, N—H⋯O hydrogen bonds link the molecules into a chain running along the a-axis direction, and weak C—H⋯O hydrogen bonds and C—H⋯π interactions are observed between the chains.
CCDC reference: 971601
Related literature
For tetrahydrocarbazole systems present in the framework of a number of indole-type ). For related structures, see: Hökelek et al. (2009); Çaylak et al. (2007); Uludağ et al. (2009); Gündoğdu et al. (2011). For the use of tetrahydrocarbazolone in the synthesis of central-nervous-system-active drugs, see: Romeo et al. (2006). For the syntheses of tetrahydrocarbazolone-based antitumor-active compounds from tetrahydrocarbazoles, see: Chen et al. (2009). For the syntheses of aminotetrahydrocarbazoles as central nervous system agents, see: Mooradian et al. (1977). For bond-length data, see: Allen et al. (1987).
of biological interest, see: Saxton (1983Experimental
Crystal data
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Data collection: APEX2 (Bruker, 2007); cell 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: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for publication: WinGX (Farrugia, 2012) and PLATON (Spek, 2009).
Supporting information
CCDC reference: 971601
10.1107/S1600536813031097/xu5750sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536813031097/xu5750Isup2.hkl
For the preparation of the title compound, (I), a solution of 2-((2,3,4,9 -tetrahydro-1H-carbazole-3-yl)methylamino)ethanol (1.0 g, 4.1 mmol) in pyridine (5 ml) was cooled to 273 K. Then, p-toluenesulphonyl chloride (1.7 g, 9.0 mmol) was added. The mixture was stirred for 18 h at room temperature, and then washed with hydrochloric acid (10%). The organic layer was extracted with chloroform and dried over anhydrous magnesium sulfate. The solvent was removed under reduced pressure. The crude product was purified by silica gel
eluting with ethyl acetate:hexane (1:1). The solvent was evaporated under reduced pressure and the residue was recrystallized from methanol (yield; 1.7 g, 75%, m.p. 425 K).The H9 atom is located in a difference Fourier synthesis and refined isotropically. The remaining C-bound H-atoms were positioned geometrically with C—H = 0.95, 1.00, 0.99 and 0.98 Å, for aromatic, methine, methylene and methyl H-atoms, respectively, and constrained to ride on their parent atoms, with Uiso(H) = k × Ueq(C), where k = 1.5 for methyl H-atoms and k = 1.2 for all other H-atoms.
Data collection: APEX2 (Bruker, 2007); cell
SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); 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: WinGX (Farrugia, 2012) and PLATON (Spek, 2009).Fig. 1. The molecular structure of the title molecule with the atom-numbering scheme. Displacement ellipsoids are drawn at the 50% probability level. | |
Fig. 2. A view of the crystal packing of the title compound. The N—H···O and C—H···O hydrogen bonds are shown as dashed lines [H-atoms not involved in hydrogen bonding have been omitted for clarity]. |
C29H32N2O5S2 | F(000) = 1168 |
Mr = 552.69 | Dx = 1.339 Mg m−3 |
Monoclinic, P21/c | Cu Kα radiation, λ = 1.54178 Å |
Hall symbol: -P 2ybc | Cell parameters from 9835 reflections |
a = 10.5719 (5) Å | θ = 3.7–69.1° |
b = 10.8783 (6) Å | µ = 2.11 mm−1 |
c = 23.8868 (11) Å | T = 150 K |
β = 93.507 (2)° | Block, pink |
V = 2741.9 (2) Å3 | 0.21 × 0.16 × 0.13 mm |
Z = 4 |
Bruker Kappa APEXII CCD area-detector diffractometer | 5101 independent reflections |
Radiation source: fine-focus sealed tube | 4955 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.048 |
ϕ and ω scans | θmax = 69.3°, θmin = 3.7° |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | h = −12→12 |
Tmin = 0.701, Tmax = 0.761 | k = −12→9 |
168526 measured reflections | l = −28→28 |
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)] = 0.042 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.116 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.05 | w = 1/[σ2(Fo2) + (0.0702P)2 + 1.3803P] where P = (Fo2 + 2Fc2)/3 |
5101 reflections | (Δ/σ)max = 0.001 |
349 parameters | Δρmax = 0.43 e Å−3 |
0 restraints | Δρmin = −0.43 e Å−3 |
C29H32N2O5S2 | V = 2741.9 (2) Å3 |
Mr = 552.69 | Z = 4 |
Monoclinic, P21/c | Cu Kα radiation |
a = 10.5719 (5) Å | µ = 2.11 mm−1 |
b = 10.8783 (6) Å | T = 150 K |
c = 23.8868 (11) Å | 0.21 × 0.16 × 0.13 mm |
β = 93.507 (2)° |
Bruker Kappa APEXII CCD area-detector diffractometer | 5101 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | 4955 reflections with I > 2σ(I) |
Tmin = 0.701, Tmax = 0.761 | Rint = 0.048 |
168526 measured reflections |
R[F2 > 2σ(F2)] = 0.042 | 0 restraints |
wR(F2) = 0.116 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.05 | Δρmax = 0.43 e Å−3 |
5101 reflections | Δρmin = −0.43 e Å−3 |
349 parameters |
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds 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 > 2sigma(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 | 0.74839 (4) | 0.45706 (4) | 0.440644 (18) | 0.03720 (14) | |
S2 | 0.91673 (4) | 0.22863 (4) | 0.250089 (17) | 0.03013 (13) | |
O1 | 0.79745 (12) | 0.41437 (12) | 0.38233 (5) | 0.0376 (3) | |
O2 | 0.79715 (13) | 0.36599 (15) | 0.47877 (6) | 0.0483 (4) | |
O3 | 0.77959 (14) | 0.58320 (14) | 0.44931 (6) | 0.0477 (3) | |
O4 | 0.85386 (12) | 0.11380 (11) | 0.23933 (6) | 0.0414 (3) | |
O5 | 1.01947 (11) | 0.23485 (13) | 0.29196 (6) | 0.0401 (3) | |
N1 | 0.81003 (12) | 0.32611 (12) | 0.26881 (6) | 0.0279 (3) | |
N9 | 0.26066 (13) | 0.12277 (12) | 0.33533 (6) | 0.0274 (3) | |
H9 | 0.183 (2) | 0.1403 (18) | 0.3313 (8) | 0.029 (5)* | |
C1 | 0.33412 (15) | 0.27199 (16) | 0.26254 (7) | 0.0323 (4) | |
H1A | 0.2622 | 0.2488 | 0.2362 | 0.039* | |
H1B | 0.3134 | 0.3508 | 0.2806 | 0.039* | |
C2 | 0.45468 (16) | 0.28622 (18) | 0.23078 (8) | 0.0364 (4) | |
H2A | 0.4602 | 0.2173 | 0.2040 | 0.044* | |
H2B | 0.4497 | 0.3636 | 0.2090 | 0.044* | |
C3 | 0.57387 (15) | 0.28803 (15) | 0.26999 (7) | 0.0309 (4) | |
H3 | 0.5629 | 0.3536 | 0.2986 | 0.037* | |
C4 | 0.59305 (14) | 0.16623 (15) | 0.30117 (7) | 0.0289 (3) | |
H4A | 0.6225 | 0.1027 | 0.2753 | 0.035* | |
H4B | 0.6585 | 0.1761 | 0.3323 | 0.035* | |
C4A | 0.47025 (14) | 0.12658 (14) | 0.32400 (6) | 0.0256 (3) | |
C5 | 0.52340 (16) | −0.03680 (15) | 0.40220 (7) | 0.0297 (3) | |
H5 | 0.6127 | −0.0374 | 0.3996 | 0.036* | |
C5A | 0.44685 (15) | 0.04014 (13) | 0.36752 (6) | 0.0252 (3) | |
C6 | 0.46753 (17) | −0.11183 (16) | 0.44023 (7) | 0.0358 (4) | |
H6 | 0.5192 | −0.1639 | 0.4640 | 0.043* | |
C7 | 0.33587 (17) | −0.11239 (17) | 0.44440 (8) | 0.0365 (4) | |
H7 | 0.2996 | −0.1660 | 0.4704 | 0.044* | |
C8 | 0.25776 (16) | −0.03621 (15) | 0.41124 (7) | 0.0314 (4) | |
H8 | 0.1686 | −0.0359 | 0.4144 | 0.038* | |
C8A | 0.31414 (15) | 0.03974 (14) | 0.37326 (6) | 0.0258 (3) | |
C9A | 0.35577 (14) | 0.17487 (14) | 0.30590 (7) | 0.0268 (3) | |
C10 | 0.68646 (14) | 0.32474 (15) | 0.23591 (7) | 0.0292 (3) | |
H10A | 0.6918 | 0.2666 | 0.2043 | 0.035* | |
H10B | 0.6703 | 0.4076 | 0.2199 | 0.035* | |
C11 | 0.85600 (16) | 0.44698 (15) | 0.28894 (7) | 0.0308 (3) | |
H11A | 0.8517 | 0.5055 | 0.2571 | 0.037* | |
H11B | 0.9460 | 0.4394 | 0.3026 | 0.037* | |
C12 | 0.78106 (16) | 0.49826 (16) | 0.33539 (7) | 0.0324 (4) | |
H12A | 0.8126 | 0.5811 | 0.3463 | 0.039* | |
H12B | 0.6903 | 0.5048 | 0.3229 | 0.039* | |
C13 | 0.58318 (17) | 0.44288 (16) | 0.43154 (7) | 0.0321 (4) | |
C14 | 0.52784 (17) | 0.32846 (16) | 0.43769 (7) | 0.0328 (4) | |
H14 | 0.5789 | 0.2582 | 0.4462 | 0.039* | |
C15 | 0.39759 (17) | 0.31795 (16) | 0.43132 (7) | 0.0332 (4) | |
H15 | 0.3594 | 0.2399 | 0.4361 | 0.040* | |
C16 | 0.32127 (17) | 0.41895 (16) | 0.41813 (7) | 0.0344 (4) | |
C17 | 0.37962 (19) | 0.53315 (17) | 0.41211 (8) | 0.0411 (4) | |
H17 | 0.3288 | 0.6033 | 0.4032 | 0.049* | |
C18 | 0.50931 (19) | 0.54588 (16) | 0.41887 (8) | 0.0393 (4) | |
H18 | 0.5477 | 0.6241 | 0.4149 | 0.047* | |
C19 | 0.17940 (19) | 0.40483 (19) | 0.41047 (9) | 0.0445 (4) | |
H19A | 0.1532 | 0.4090 | 0.3704 | 0.067* | |
H19B | 0.1545 | 0.3252 | 0.4256 | 0.067* | |
H19C | 0.1383 | 0.4711 | 0.4304 | 0.067* | |
C20 | 0.97518 (15) | 0.27802 (14) | 0.18609 (7) | 0.0283 (3) | |
C21 | 1.05368 (15) | 0.38076 (15) | 0.18504 (7) | 0.0305 (3) | |
H21 | 1.0743 | 0.4261 | 0.2183 | 0.037* | |
C22 | 1.10105 (16) | 0.41571 (17) | 0.13478 (8) | 0.0346 (4) | |
H22 | 1.1539 | 0.4862 | 0.1338 | 0.041* | |
C23 | 1.07314 (16) | 0.34982 (18) | 0.08539 (7) | 0.0363 (4) | |
C24 | 0.99322 (17) | 0.24845 (17) | 0.08763 (8) | 0.0374 (4) | |
H24 | 0.9725 | 0.2028 | 0.0544 | 0.045* | |
C25 | 0.94355 (16) | 0.21302 (16) | 0.13735 (8) | 0.0338 (4) | |
H25 | 0.8880 | 0.1445 | 0.1381 | 0.041* | |
C26 | 1.1295 (2) | 0.3854 (2) | 0.03154 (9) | 0.0509 (5) | |
H26A | 1.0676 | 0.3703 | 0.0000 | 0.076* | |
H26B | 1.2058 | 0.3363 | 0.0267 | 0.076* | |
H26C | 1.1518 | 0.4728 | 0.0327 | 0.076* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0384 (2) | 0.0419 (3) | 0.0316 (2) | −0.00848 (18) | 0.00467 (17) | 0.00134 (17) |
S2 | 0.0248 (2) | 0.0244 (2) | 0.0415 (2) | 0.00333 (14) | 0.00396 (16) | 0.00732 (15) |
O1 | 0.0419 (7) | 0.0361 (7) | 0.0354 (6) | 0.0008 (5) | 0.0079 (5) | 0.0068 (5) |
O2 | 0.0413 (7) | 0.0644 (9) | 0.0388 (7) | −0.0054 (6) | −0.0007 (6) | 0.0135 (6) |
O3 | 0.0521 (8) | 0.0474 (8) | 0.0444 (7) | −0.0204 (7) | 0.0113 (6) | −0.0087 (6) |
O4 | 0.0390 (7) | 0.0218 (6) | 0.0642 (8) | 0.0015 (5) | 0.0102 (6) | 0.0080 (5) |
O5 | 0.0288 (6) | 0.0466 (8) | 0.0446 (7) | 0.0086 (5) | 0.0008 (5) | 0.0120 (6) |
N1 | 0.0234 (6) | 0.0258 (7) | 0.0348 (7) | 0.0009 (5) | 0.0039 (5) | 0.0044 (5) |
N9 | 0.0202 (6) | 0.0273 (7) | 0.0347 (7) | −0.0013 (5) | 0.0028 (5) | 0.0003 (5) |
C1 | 0.0244 (8) | 0.0316 (9) | 0.0406 (9) | 0.0017 (6) | 0.0001 (7) | 0.0076 (7) |
C2 | 0.0299 (9) | 0.0392 (10) | 0.0399 (9) | 0.0004 (7) | 0.0012 (7) | 0.0130 (7) |
C3 | 0.0254 (8) | 0.0277 (8) | 0.0397 (9) | 0.0013 (6) | 0.0035 (6) | 0.0087 (7) |
C4 | 0.0231 (7) | 0.0272 (8) | 0.0367 (8) | 0.0014 (6) | 0.0032 (6) | 0.0078 (6) |
C4A | 0.0251 (7) | 0.0213 (7) | 0.0305 (8) | −0.0009 (6) | 0.0022 (6) | 0.0014 (6) |
C5 | 0.0291 (8) | 0.0261 (8) | 0.0342 (8) | 0.0000 (6) | 0.0032 (6) | 0.0017 (6) |
C5A | 0.0263 (8) | 0.0203 (7) | 0.0292 (8) | −0.0031 (6) | 0.0041 (6) | −0.0023 (6) |
C6 | 0.0398 (9) | 0.0306 (9) | 0.0370 (9) | 0.0007 (7) | 0.0024 (7) | 0.0077 (7) |
C7 | 0.0417 (10) | 0.0322 (9) | 0.0365 (9) | −0.0075 (7) | 0.0092 (7) | 0.0056 (7) |
C8 | 0.0294 (8) | 0.0302 (8) | 0.0351 (9) | −0.0067 (6) | 0.0070 (7) | −0.0034 (6) |
C8A | 0.0266 (8) | 0.0217 (7) | 0.0294 (8) | −0.0024 (6) | 0.0030 (6) | −0.0049 (6) |
C9A | 0.0237 (7) | 0.0252 (8) | 0.0317 (8) | −0.0020 (6) | 0.0020 (6) | −0.0002 (6) |
C10 | 0.0250 (8) | 0.0292 (8) | 0.0336 (8) | 0.0012 (6) | 0.0025 (6) | 0.0076 (6) |
C11 | 0.0299 (8) | 0.0283 (8) | 0.0347 (8) | −0.0031 (6) | 0.0063 (6) | 0.0035 (6) |
C12 | 0.0338 (8) | 0.0286 (8) | 0.0350 (8) | −0.0012 (7) | 0.0046 (7) | 0.0037 (7) |
C13 | 0.0396 (9) | 0.0304 (8) | 0.0267 (8) | −0.0045 (7) | 0.0053 (7) | −0.0013 (6) |
C14 | 0.0405 (9) | 0.0257 (8) | 0.0323 (8) | 0.0002 (7) | 0.0024 (7) | 0.0004 (6) |
C15 | 0.0422 (9) | 0.0247 (8) | 0.0325 (8) | −0.0039 (7) | 0.0008 (7) | −0.0021 (6) |
C16 | 0.0408 (9) | 0.0308 (9) | 0.0314 (8) | 0.0003 (7) | 0.0006 (7) | −0.0035 (7) |
C17 | 0.0469 (11) | 0.0262 (9) | 0.0500 (11) | 0.0044 (7) | 0.0014 (8) | 0.0023 (7) |
C18 | 0.0503 (11) | 0.0253 (9) | 0.0428 (10) | −0.0047 (7) | 0.0074 (8) | 0.0013 (7) |
C19 | 0.0429 (10) | 0.0385 (10) | 0.0513 (11) | 0.0006 (8) | −0.0037 (8) | −0.0032 (8) |
C20 | 0.0227 (7) | 0.0241 (8) | 0.0382 (9) | 0.0043 (6) | 0.0032 (6) | 0.0000 (6) |
C21 | 0.0270 (8) | 0.0272 (8) | 0.0375 (9) | −0.0006 (6) | 0.0031 (6) | −0.0041 (6) |
C22 | 0.0288 (8) | 0.0327 (9) | 0.0428 (9) | −0.0009 (7) | 0.0070 (7) | 0.0011 (7) |
C23 | 0.0312 (8) | 0.0413 (10) | 0.0367 (9) | 0.0114 (7) | 0.0052 (7) | 0.0007 (7) |
C24 | 0.0337 (9) | 0.0375 (9) | 0.0404 (9) | 0.0098 (7) | −0.0010 (7) | −0.0104 (8) |
C25 | 0.0274 (8) | 0.0263 (8) | 0.0475 (10) | 0.0029 (6) | 0.0007 (7) | −0.0063 (7) |
C26 | 0.0508 (12) | 0.0624 (14) | 0.0406 (10) | 0.0102 (10) | 0.0119 (9) | 0.0045 (9) |
S1—O1 | 1.5854 (13) | C9A—C1 | 1.487 (2) |
S1—O2 | 1.4209 (15) | C9A—C4A | 1.365 (2) |
S1—O3 | 1.4234 (15) | C10—H10A | 0.9900 |
S1—C13 | 1.7536 (18) | C10—H10B | 0.9900 |
S2—O4 | 1.4308 (13) | C11—C12 | 1.509 (2) |
S2—O5 | 1.4325 (13) | C11—H11A | 0.9900 |
S2—N1 | 1.6305 (14) | C11—H11B | 0.9900 |
S2—C20 | 1.7672 (17) | C12—H12A | 0.9900 |
O1—C12 | 1.448 (2) | C12—H12B | 0.9900 |
N1—C10 | 1.483 (2) | C13—C14 | 1.387 (2) |
N1—C11 | 1.472 (2) | C13—C18 | 1.388 (3) |
N9—C8A | 1.376 (2) | C14—C15 | 1.381 (3) |
N9—C9A | 1.383 (2) | C14—H14 | 0.9500 |
N9—H9 | 0.84 (2) | C15—C16 | 1.388 (3) |
C1—C2 | 1.530 (2) | C15—H15 | 0.9500 |
C1—H1A | 0.9900 | C16—C17 | 1.398 (3) |
C1—H1B | 0.9900 | C16—C19 | 1.508 (3) |
C2—C3 | 1.523 (2) | C17—C18 | 1.378 (3) |
C2—H2A | 0.9900 | C17—H17 | 0.9500 |
C2—H2B | 0.9900 | C18—H18 | 0.9500 |
C3—C4 | 1.527 (2) | C19—H19A | 0.9800 |
C3—C10 | 1.536 (2) | C19—H19B | 0.9800 |
C3—H3 | 1.0000 | C19—H19C | 0.9800 |
C4—C4A | 1.502 (2) | C20—C21 | 1.393 (2) |
C4—H4A | 0.9900 | C20—C25 | 1.385 (2) |
C4—H4B | 0.9900 | C21—C22 | 1.382 (2) |
C5—C6 | 1.381 (2) | C21—H21 | 0.9500 |
C5—H5 | 0.9500 | C22—C23 | 1.396 (3) |
C5A—C4A | 1.434 (2) | C22—H22 | 0.9500 |
C5A—C5 | 1.400 (2) | C23—C24 | 1.392 (3) |
C6—C7 | 1.401 (3) | C23—C26 | 1.501 (3) |
C6—H6 | 0.9500 | C24—C25 | 1.382 (3) |
C7—C8 | 1.384 (3) | C24—H24 | 0.9500 |
C7—H7 | 0.9500 | C25—H25 | 0.9500 |
C8—H8 | 0.9500 | C26—H26A | 0.9800 |
C8A—C5A | 1.418 (2) | C26—H26B | 0.9800 |
C8A—C8 | 1.388 (2) | C26—H26C | 0.9800 |
O1—S1—C13 | 104.01 (7) | N1—C10—C3 | 114.07 (13) |
O2—S1—O1 | 103.50 (8) | N1—C10—H10A | 108.7 |
O2—S1—O3 | 120.48 (9) | N1—C10—H10B | 108.7 |
O2—S1—C13 | 109.74 (8) | C3—C10—H10A | 108.7 |
O3—S1—O1 | 108.95 (8) | C3—C10—H10B | 108.7 |
O3—S1—C13 | 108.84 (9) | H10A—C10—H10B | 107.6 |
O4—S2—O5 | 119.39 (8) | N1—C11—C12 | 113.12 (13) |
O4—S2—N1 | 107.19 (7) | N1—C11—H11A | 109.0 |
O4—S2—C20 | 107.05 (8) | N1—C11—H11B | 109.0 |
O5—S2—N1 | 106.59 (8) | C12—C11—H11A | 109.0 |
O5—S2—C20 | 107.42 (8) | C12—C11—H11B | 109.0 |
N1—S2—C20 | 108.90 (7) | H11A—C11—H11B | 107.8 |
C12—O1—S1 | 117.76 (11) | O1—C12—C11 | 107.04 (14) |
C10—N1—S2 | 116.74 (11) | O1—C12—H12A | 110.3 |
C11—N1—S2 | 116.77 (10) | O1—C12—H12B | 110.3 |
C11—N1—C10 | 116.39 (13) | C11—C12—H12A | 110.3 |
C8A—N9—C9A | 108.75 (13) | C11—C12—H12B | 110.3 |
C8A—N9—H9 | 125.7 (13) | H12A—C12—H12B | 108.6 |
C9A—N9—H9 | 125.5 (13) | C14—C13—S1 | 119.29 (14) |
C2—C1—H1A | 110.0 | C14—C13—C18 | 120.80 (17) |
C2—C1—H1B | 110.0 | C18—C13—S1 | 119.91 (14) |
C9A—C1—C2 | 108.65 (13) | C13—C14—H14 | 120.4 |
C9A—C1—H1A | 110.0 | C15—C14—C13 | 119.13 (16) |
C9A—C1—H1B | 110.0 | C15—C14—H14 | 120.4 |
H1B—C1—H1A | 108.3 | C14—C15—C16 | 121.43 (16) |
C1—C2—H2A | 109.1 | C14—C15—H15 | 119.3 |
C1—C2—H2B | 109.1 | C16—C15—H15 | 119.3 |
C3—C2—C1 | 112.28 (14) | C15—C16—C17 | 118.20 (17) |
C3—C2—H2A | 109.1 | C15—C16—C19 | 120.47 (16) |
C3—C2—H2B | 109.1 | C17—C16—C19 | 121.33 (17) |
H2A—C2—H2B | 107.9 | C16—C17—H17 | 119.4 |
C2—C3—C4 | 111.63 (14) | C18—C17—C16 | 121.29 (17) |
C2—C3—C10 | 108.43 (14) | C18—C17—H17 | 119.4 |
C2—C3—H3 | 107.7 | C13—C18—H18 | 120.4 |
C4—C3—C10 | 113.59 (13) | C17—C18—C13 | 119.14 (17) |
C4—C3—H3 | 107.7 | C17—C18—H18 | 120.4 |
C10—C3—H3 | 107.7 | C16—C19—H19C | 109.5 |
C3—C4—H4A | 109.8 | C16—C19—H19B | 109.5 |
C3—C4—H4B | 109.8 | C16—C19—H19A | 109.5 |
C4A—C4—C3 | 109.53 (13) | H19C—C19—H19B | 109.5 |
C4A—C4—H4A | 109.8 | H19C—C19—H19A | 109.5 |
C4A—C4—H4B | 109.8 | H19B—C19—H19A | 109.5 |
H4A—C4—H4B | 108.2 | C21—C20—S2 | 119.98 (13) |
C5A—C4A—C4 | 129.99 (14) | C25—C20—S2 | 119.51 (13) |
C9A—C4A—C4 | 122.95 (14) | C25—C20—C21 | 120.51 (16) |
C9A—C4A—C5A | 107.03 (13) | C20—C21—H21 | 120.5 |
C5A—C5—H5 | 120.4 | C22—C21—C20 | 118.96 (16) |
C6—C5—C5A | 119.20 (15) | C22—C21—H21 | 120.5 |
C6—C5—H5 | 120.4 | C21—C22—C23 | 121.57 (17) |
C5—C5A—C4A | 134.57 (14) | C21—C22—H22 | 119.2 |
C5—C5A—C8A | 118.71 (14) | C23—C22—H22 | 119.2 |
C8A—C5A—C4A | 106.72 (13) | C22—C23—C26 | 121.15 (18) |
C5—C6—C7 | 121.07 (16) | C24—C23—C22 | 118.13 (16) |
C5—C6—H6 | 119.5 | C24—C23—C26 | 120.71 (18) |
C7—C6—H6 | 119.5 | C23—C24—H24 | 119.4 |
C6—C7—H7 | 119.4 | C25—C24—C23 | 121.14 (16) |
C8—C7—C6 | 121.13 (15) | C25—C24—H24 | 119.4 |
C8—C7—H7 | 119.4 | C20—C25—H25 | 120.2 |
C7—C8—C8A | 117.73 (15) | C24—C25—C20 | 119.66 (16) |
C7—C8—H8 | 121.1 | C24—C25—H25 | 120.2 |
C8A—C8—H8 | 121.1 | C23—C26—H26B | 109.5 |
N9—C8A—C5A | 107.66 (13) | C23—C26—H26C | 109.5 |
N9—C8A—C8 | 130.19 (15) | C23—C26—H26A | 109.5 |
C8—C8A—C5A | 122.14 (15) | H26B—C26—H26A | 109.5 |
N9—C9A—C1 | 124.01 (14) | H26B—C26—H26C | 109.5 |
C4A—C9A—N9 | 109.84 (14) | H26C—C26—H26A | 109.5 |
C4A—C9A—C1 | 126.12 (14) | ||
O2—S1—O1—C12 | −170.46 (12) | C5—C5A—C4A—C9A | −179.36 (17) |
O3—S1—O1—C12 | −41.11 (15) | C8A—C5A—C4A—C4 | 178.54 (16) |
C13—S1—O1—C12 | 74.85 (13) | C8A—C5A—C4A—C9A | 0.63 (17) |
O1—S1—C13—C14 | 81.47 (14) | C4A—C5A—C5—C6 | −179.06 (17) |
O1—S1—C13—C18 | −99.17 (15) | C8A—C5A—C5—C6 | 1.0 (2) |
O2—S1—C13—C14 | −28.72 (16) | C5—C6—C7—C8 | −1.2 (3) |
O2—S1—C13—C18 | 150.64 (15) | C6—C7—C8—C8A | 0.7 (3) |
O3—S1—C13—C14 | −162.50 (13) | N9—C8A—C5A—C4A | −0.49 (16) |
O3—S1—C13—C18 | 16.86 (17) | N9—C8A—C5A—C5 | 179.50 (14) |
O4—S2—N1—C10 | −43.26 (13) | C8—C8A—C5A—C4A | 178.62 (14) |
O4—S2—N1—C11 | 172.49 (12) | C8—C8A—C5A—C5 | −1.4 (2) |
O5—S2—N1—C10 | −172.17 (11) | N9—C8A—C8—C7 | 179.43 (16) |
O5—S2—N1—C11 | 43.58 (13) | C5A—C8A—C8—C7 | 0.5 (2) |
C20—S2—N1—C10 | 72.23 (12) | N9—C9A—C1—C2 | −167.88 (15) |
C20—S2—N1—C11 | −72.03 (13) | C4A—C9A—C1—C2 | 14.3 (2) |
O4—S2—C20—C21 | −172.61 (13) | N9—C9A—C4A—C4 | −178.63 (14) |
O4—S2—C20—C25 | 6.62 (15) | N9—C9A—C4A—C5A | −0.54 (18) |
O5—S2—C20—C21 | −43.26 (15) | C1—C9A—C4A—C4 | −0.6 (3) |
O5—S2—C20—C25 | 135.98 (13) | C1—C9A—C4A—C5A | 177.54 (15) |
N1—S2—C20—C21 | 71.81 (14) | N1—C11—C12—O1 | 62.68 (17) |
N1—S2—C20—C25 | −108.95 (13) | S1—C13—C14—C15 | 179.03 (13) |
S1—O1—C12—C11 | 169.71 (11) | C18—C13—C14—C15 | −0.3 (3) |
S2—N1—C10—C3 | 116.55 (14) | S1—C13—C18—C17 | −179.70 (14) |
C11—N1—C10—C3 | −99.06 (16) | C14—C13—C18—C17 | −0.4 (3) |
S2—N1—C11—C12 | −144.48 (12) | C13—C14—C15—C16 | 1.0 (3) |
C10—N1—C11—C12 | 71.14 (18) | C14—C15—C16—C17 | −0.9 (3) |
C9A—N9—C8A—C5A | 0.17 (17) | C14—C15—C16—C19 | 179.01 (16) |
C9A—N9—C8A—C8 | −178.84 (16) | C15—C16—C17—C18 | 0.2 (3) |
C8A—N9—C9A—C1 | −177.89 (15) | C19—C16—C17—C18 | −179.71 (18) |
C8A—N9—C9A—C4A | 0.24 (18) | C16—C17—C18—C13 | 0.4 (3) |
C9A—C1—C2—C3 | −44.4 (2) | S2—C20—C21—C22 | 178.25 (13) |
C1—C2—C3—C4 | 63.82 (19) | C25—C20—C21—C22 | −1.0 (2) |
C1—C2—C3—C10 | −170.31 (14) | S2—C20—C25—C24 | −177.40 (13) |
C2—C3—C4—C4A | −46.36 (19) | C21—C20—C25—C24 | 1.8 (2) |
C10—C3—C4—C4A | −169.34 (14) | C20—C21—C22—C23 | −0.7 (3) |
C2—C3—C10—N1 | −178.08 (14) | C21—C22—C23—C24 | 1.4 (3) |
C4—C3—C10—N1 | −53.4 (2) | C21—C22—C23—C26 | −177.40 (17) |
C3—C4—C4A—C5A | −161.21 (16) | C22—C23—C24—C25 | −0.6 (3) |
C3—C4—C4A—C9A | 16.4 (2) | C26—C23—C24—C25 | 178.28 (17) |
C5A—C5—C6—C7 | 0.3 (3) | C23—C24—C25—C20 | −1.1 (3) |
C5—C5A—C4A—C4 | −1.4 (3) |
Cg2 and Cg5 are the centroids of the C4A/C5A/C8A/N9/C9A and C20–C25 rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
N9—H9···O5i | 0.84 (2) | 2.18 (2) | 2.9561 (19) | 154.1 (18) |
C21—H21···O4ii | 0.95 | 2.38 | 3.230 (2) | 148 |
C8—H8···Cg5iii | 0.95 | 2.81 | 3.5127 (18) | 131 |
C10—H10B···Cg2iv | 0.99 | 2.58 | 3.5538 (18) | 168 |
Symmetry codes: (i) x−1, y, z; (ii) −x+2, y+1/2, −z+1/2; (iii) −x+1, y−1/2, −z+1/2; (iv) −x+1, y+1/2, −z+1/2. |
Cg2 and Cg5 are the centroids of the C4A/C5A/C8A/N9/C9A and C20–C25 rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
N9—H9···O5i | 0.84 (2) | 2.18 (2) | 2.9561 (19) | 154.1 (18) |
C21—H21···O4ii | 0.95 | 2.38 | 3.230 (2) | 148 |
C8—H8···Cg5iii | 0.95 | 2.81 | 3.5127 (18) | 131 |
C10—H10B···Cg2iv | 0.99 | 2.58 | 3.5538 (18) | 168 |
Symmetry codes: (i) x−1, y, z; (ii) −x+2, y+1/2, −z+1/2; (iii) −x+1, y−1/2, −z+1/2; (iv) −x+1, y+1/2, −z+1/2. |
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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.
Tetrahydrocarbazole systems are present in the framework of a number of indole-type alkaloids of biological interest (Saxton, 1983). The structures of tricyclic, tetracyclic and pentacyclic ring systems with dithiolane and other substituents of the tetrahydrocarbazole core, have been reported previously. Tetrahydrocarbazoles have been increasingly important intermediates in the syntheses of indole or carbazole alkaloids and various biologically active heterocyclic compounds because of their unique structures. For instance, tetrahydrocarbazole was used in the syntheses of central nervous system active drugs (Romeo et al., 2006). Tetrahydrocarbazolone based antitumor active compounds were synthesized from tetrahydrocarbazoles (Chen et al., 2009). Aminotetrahydrocarbazoles were also synthesized as central nervous system agents (Mooradian et al., 1977). The present study was undertaken to ascertain the crystal structure of the title compound.
The molecule of the title compound contains a carbazole skeleton with methyl phenylsulfonamide and ethyl methyl benzenesulfonate groups, (Fig. 1), where the bond lengths are close to standard values (Allen et al., 1987) and generally agree with those in the previously reported compounds. In all structures atom N9 is substituted.
An examination of the deviations from the least-squares planes through individual rings shows that rings B (C4a/C5a/C8a/N9/C9a) and C (C5a/C5—C8/C8a) are nearly coplanar [with a maximum deviation of 0.013 (2) Å for atom C7] with dihedral angle of B/C = 0.85 (6)°. Ring A (C1—C4/C4a/C9a) adopts envelope conformation with atom C3 displaced by -0.605 (2) Å from the plane of the other rings atoms, as in 3a,4,10,10b-tetrahydro-2H-furo[2,3-a]carbazol-5(3H)-one (Çaylak et al., 2007), 3,3-ethylenedithio-3,3a,4,5,10,10b-hexahydro-2H-furo[2,3-a]carbazole (Uludağ et al., 2009), ethyl 1-oxo-1,2,3,4-tetrahydro-9H-carbazole-3-carboxylate (Hökelek et al., 2009) and ethyl 4-oxo-2,3,4,9-tetrahydro-1H-carbazole-3-carboxylate (Gündoğdu et al., 2011). Ring A has a pseudo twofold axis running through the midpoints of C2–C3 and C4a–C9a bonds. Rings D (C13—C18) and E (C20—C25) are oriented at a dihedral angle of 89.09 (8)°.
In the crystal, intermolecular N—H···O and C—H···O hydrogen bonds link the molecules into infinite chains along the a-axis (Table 1 and Fig. 2). π···π contacts between the benzene rings, Cg4—Cg4i [symmetry code: (i) 1 - x, 1 - y, 1 - z, where Cg4 is the centroid of the ring D (C13—C18)] may further stabilize the structure, with centroid-centroid distance of 3.955 (1) Å. There also exist two weak C—H···π interactions (Table 1).