organic compounds
3-Benzyl-7-chloro-9-phenyl-2-tosyl-2,3,3a,4,9,9a-hexahydro-1H-pyrrolo[3,4-b]quinoline
aDepartment of Physics, Anna University Chennai, Chennai 600 025, India, bDepartment of Organic Chemistry, University of Madras, Guindy Campus, Chennai 600 025, India, and cX-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
*Correspondence e-mail: kali@annauniv.edu
In the title compound, C31H29ClN2O2S, the pyrrolidine ring adopts an with the methine C atom adjacent to the NH group as the flap atom. The tetrahydropyridine ring has a half-chair conformation. The two rings are trans-fused. The chlorobenzene ring and the adjacent phenyl ring form a dihedral angle of 77.9 (1)°. The benzyl phenyl and the tosyl phenyl rings are oriented at a dihedral angle of 88.0 (1)°. In the crystal, molecules are linked into chains along the a axis by N—H⋯Cl and C—H⋯Cl hydrogen bonds and the adjacent chains are cross-linked via C—H⋯π interactions.
Related literature
For the caspase-3 inhibitory, vasorelaxing and antileukemic activities of pyrroloquinoline compounds, see: Kravchenko et al. (2005); Ferlin et al. (2002); Anderson et al. (1988). For related structures, see: Sudha et al. (2007, 2008a,b). For the of the unchlorinated analogue, see: Chinnakali et al. (2009). For ring puckering parameters, see: Cremer & Pople (1975). For asymmetry parameters, see: Duax et al. (1976).
Experimental
Crystal data
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Data collection: APEX2 (Bruker, 2005); cell SAINT (Bruker, 2005); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL and PLATON (Spek, 2009).
Supporting information
10.1107/S1600536809045267/hb5197sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536809045267/hb5197Isup2.hkl
InCl3 (20 mol%) was added to a mixture of S-2-(N-cinnamyl-N-tosylamino)-3-phenyl propanal (1 mmol) and p-chloroaniline (1 mmol) in acetonitrile (20 ml). The reaction mixture was stirred at room temperature for 1 min. On completion of the reaction, as indicated by TLC, the mixture was quenched with water and extracted with ethyl acetate. The organic layer was washed with brine and dried over Na2SO4. The solvent was evaporated in vacuo and the crude product was chromatographed on silica gel using a hexane-ethyl acetate (8.5:1.5 v/v) mixture to obtain the title compound. The compound was recrystallized from ethyl acetate solution by slow evaporation.
The N-bound H atom was located in a difference map and refined freely [N—H = 0.84 (2) Å]. The remaining H atoms were positioned geometrically (C—H = 0.93–0.98 Å) and allowed to ride on their parent atoms, with Uiso(H) = 1.2Ueq(C) or 1.5Ueq(Cmethyl). A rotating group model was used for methyl groups. Reflection 002 was partially obscured by the beam stop and was omitted.
Data collection: APEX2 (Bruker, 2005); cell
SAINT (Bruker, 2005); data reduction: SAINT (Bruker, 2005); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009).Fig. 1. The molecular structure of (I), showing 50% probability displacement ellipsoids. The dashed line indicates a hydrogen bond. | |
Fig. 2. The crystal structure of (I), viewed along the c axis. Hydrogen bonds are shown as dashed lines. For the sake of clarity, H atoms not involved in the interactions have been omitted. | |
Fig. 3. Fit of the title molecule (solid lines) with its unchlorinated analogue (dashed lines). C-bound H atoms have been omitted for clarity. |
C31H29ClN2O2S | F(000) = 1112 |
Mr = 529.07 | Dx = 1.356 Mg m−3 |
Orthorhombic, P212121 | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: P 2ac 2ab | Cell parameters from 9900 reflections |
a = 10.0106 (1) Å | θ = 2.5–29.9° |
b = 11.8612 (1) Å | µ = 0.26 mm−1 |
c = 21.8256 (2) Å | T = 100 K |
V = 2591.52 (4) Å3 | Block, colourless |
Z = 4 | 0.28 × 0.25 × 0.15 mm |
Bruker SMART APEXII CCD area-detector diffractometer | 8047 independent reflections |
Radiation source: fine-focus sealed tube | 7259 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.045 |
ϕ and ω scans | θmax = 30.7°, θmin = 2.2° |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | h = −13→14 |
Tmin = 0.930, Tmax = 0.962 | k = −17→17 |
35839 measured reflections | l = −31→30 |
Refinement on F2 | Secondary atom site location: difference Fourier map |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.037 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.090 | w = 1/[σ2(Fo2) + (0.0502P)2 + 0.3209P] where P = (Fo2 + 2Fc2)/3 |
S = 1.02 | (Δ/σ)max = 0.001 |
8047 reflections | Δρmax = 0.42 e Å−3 |
339 parameters | Δρmin = −0.31 e Å−3 |
0 restraints | Absolute structure: Flack (1983), 3555 Friedel pairs |
Primary atom site location: structure-invariant direct methods | Absolute structure parameter: 0.02 (4) |
C31H29ClN2O2S | V = 2591.52 (4) Å3 |
Mr = 529.07 | Z = 4 |
Orthorhombic, P212121 | Mo Kα radiation |
a = 10.0106 (1) Å | µ = 0.26 mm−1 |
b = 11.8612 (1) Å | T = 100 K |
c = 21.8256 (2) Å | 0.28 × 0.25 × 0.15 mm |
Bruker SMART APEXII CCD area-detector diffractometer | 8047 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | 7259 reflections with I > 2σ(I) |
Tmin = 0.930, Tmax = 0.962 | Rint = 0.045 |
35839 measured reflections |
R[F2 > 2σ(F2)] = 0.037 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.090 | Δρmax = 0.42 e Å−3 |
S = 1.02 | Δρmin = −0.31 e Å−3 |
8047 reflections | Absolute structure: Flack (1983), 3555 Friedel pairs |
339 parameters | Absolute structure parameter: 0.02 (4) |
0 restraints |
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. |
x | y | z | Uiso*/Ueq | ||
Cl1 | 0.99020 (3) | 0.23630 (3) | 0.611010 (16) | 0.01750 (8) | |
S1 | 0.87572 (4) | 0.74890 (3) | 0.237629 (16) | 0.01701 (8) | |
O1 | 1.00459 (12) | 0.75400 (9) | 0.20897 (5) | 0.0229 (2) | |
O2 | 0.75758 (13) | 0.75019 (10) | 0.20046 (5) | 0.0256 (2) | |
N1 | 0.87251 (14) | 0.63195 (10) | 0.27756 (6) | 0.0150 (2) | |
N2 | 0.72707 (13) | 0.48831 (11) | 0.40955 (6) | 0.0159 (2) | |
H1N2 | 0.654 (2) | 0.4565 (17) | 0.4026 (10) | 0.027 (5)* | |
C1 | 0.99589 (16) | 0.60584 (12) | 0.31441 (7) | 0.0160 (3) | |
H1A | 1.0509 | 0.6725 | 0.3196 | 0.019* | |
H1B | 1.0486 | 0.5472 | 0.2950 | 0.019* | |
C2 | 0.94008 (14) | 0.56589 (12) | 0.37568 (7) | 0.0137 (3) | |
H2 | 0.9205 | 0.6320 | 0.4011 | 0.016* | |
C3 | 1.02378 (14) | 0.48294 (12) | 0.41319 (7) | 0.0132 (3) | |
H3 | 1.0572 | 0.4246 | 0.3853 | 0.016* | |
C4 | 0.93338 (14) | 0.42593 (12) | 0.46062 (7) | 0.0131 (3) | |
C5 | 0.99179 (15) | 0.36541 (11) | 0.50869 (7) | 0.0142 (3) | |
H5 | 1.0843 | 0.3619 | 0.5118 | 0.017* | |
C6 | 0.91344 (15) | 0.31068 (12) | 0.55164 (7) | 0.0141 (3) | |
C7 | 0.77481 (15) | 0.31665 (12) | 0.54938 (7) | 0.0149 (3) | |
H7 | 0.7228 | 0.2811 | 0.5789 | 0.018* | |
C8 | 0.71615 (15) | 0.37664 (13) | 0.50226 (7) | 0.0155 (3) | |
H8 | 0.6235 | 0.3817 | 0.5004 | 0.019* | |
C9 | 0.79311 (14) | 0.43009 (12) | 0.45709 (7) | 0.0134 (3) | |
C10 | 0.80912 (14) | 0.51222 (12) | 0.35619 (7) | 0.0133 (3) | |
H10 | 0.8266 | 0.4425 | 0.3335 | 0.016* | |
C11 | 0.75027 (16) | 0.60125 (12) | 0.31332 (7) | 0.0147 (3) | |
H11 | 0.7237 | 0.6666 | 0.3379 | 0.018* | |
C12 | 0.86417 (16) | 0.86286 (11) | 0.28916 (7) | 0.0159 (3) | |
C13 | 0.73961 (16) | 0.90828 (13) | 0.30416 (8) | 0.0201 (3) | |
H13 | 0.6617 | 0.8776 | 0.2880 | 0.024* | |
C14 | 0.73412 (16) | 0.99983 (13) | 0.34358 (8) | 0.0212 (3) | |
H14 | 0.6516 | 1.0306 | 0.3537 | 0.025* | |
C15 | 0.85024 (15) | 1.04677 (12) | 0.36832 (7) | 0.0170 (3) | |
C16 | 0.97308 (15) | 0.99944 (12) | 0.35296 (7) | 0.0175 (3) | |
H16 | 1.0509 | 1.0297 | 0.3694 | 0.021* | |
C17 | 0.98130 (15) | 0.90773 (12) | 0.31342 (7) | 0.0157 (3) | |
H17 | 1.0638 | 0.8768 | 0.3033 | 0.019* | |
C18 | 0.84443 (18) | 1.14674 (14) | 0.41044 (8) | 0.0236 (3) | |
H18A | 0.9244 | 1.1907 | 0.4059 | 0.035* | |
H18B | 0.8369 | 1.1212 | 0.4520 | 0.035* | |
H18C | 0.7683 | 1.1922 | 0.4003 | 0.035* | |
C19 | 1.14346 (15) | 0.53881 (12) | 0.44351 (7) | 0.0158 (3) | |
C20 | 1.12450 (17) | 0.61970 (14) | 0.48937 (7) | 0.0217 (3) | |
H20 | 1.0382 | 0.6402 | 0.5006 | 0.026* | |
C21 | 1.2328 (2) | 0.66992 (16) | 0.51843 (9) | 0.0292 (4) | |
H21 | 1.2188 | 0.7245 | 0.5483 | 0.035* | |
C22 | 1.36117 (19) | 0.63871 (17) | 0.50286 (9) | 0.0324 (4) | |
H22 | 1.4338 | 0.6714 | 0.5227 | 0.039* | |
C23 | 1.38142 (17) | 0.55904 (16) | 0.45789 (10) | 0.0318 (4) | |
H23 | 1.4680 | 0.5380 | 0.4474 | 0.038* | |
C24 | 1.27344 (16) | 0.50968 (14) | 0.42795 (8) | 0.0221 (3) | |
H24 | 1.2885 | 0.4568 | 0.3973 | 0.027* | |
C25 | 0.62882 (16) | 0.56231 (13) | 0.27564 (7) | 0.0171 (3) | |
H25A | 0.5588 | 0.5405 | 0.3040 | 0.020* | |
H25B | 0.5961 | 0.6264 | 0.2525 | 0.020* | |
C26 | 0.65082 (14) | 0.46589 (12) | 0.23147 (7) | 0.0150 (3) | |
C27 | 0.65518 (16) | 0.35343 (13) | 0.25089 (7) | 0.0192 (3) | |
H27 | 0.6466 | 0.3369 | 0.2924 | 0.023* | |
C28 | 0.67212 (16) | 0.26635 (13) | 0.20928 (8) | 0.0237 (3) | |
H28 | 0.6760 | 0.1922 | 0.2230 | 0.028* | |
C29 | 0.68336 (18) | 0.28986 (14) | 0.14704 (8) | 0.0253 (4) | |
H29 | 0.6945 | 0.2315 | 0.1190 | 0.030* | |
C30 | 0.67796 (17) | 0.40097 (14) | 0.12689 (8) | 0.0239 (3) | |
H30 | 0.6850 | 0.4171 | 0.0853 | 0.029* | |
C31 | 0.66208 (16) | 0.48796 (13) | 0.16892 (7) | 0.0189 (3) | |
H31 | 0.6589 | 0.5621 | 0.1551 | 0.023* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.01853 (15) | 0.02012 (16) | 0.01386 (15) | 0.00295 (13) | 0.00000 (12) | 0.00457 (12) |
S1 | 0.02840 (18) | 0.01221 (14) | 0.01041 (15) | −0.00087 (15) | −0.00294 (13) | 0.00055 (13) |
O1 | 0.0372 (6) | 0.0165 (5) | 0.0151 (5) | −0.0010 (6) | 0.0072 (5) | 0.0006 (4) |
O2 | 0.0404 (6) | 0.0180 (5) | 0.0185 (5) | −0.0022 (5) | −0.0136 (5) | 0.0016 (5) |
N1 | 0.0210 (6) | 0.0123 (5) | 0.0117 (6) | 0.0001 (5) | −0.0011 (5) | 0.0020 (4) |
N2 | 0.0138 (6) | 0.0219 (6) | 0.0120 (6) | −0.0002 (5) | −0.0011 (5) | 0.0026 (5) |
C1 | 0.0179 (7) | 0.0172 (6) | 0.0130 (7) | 0.0009 (6) | 0.0002 (6) | 0.0031 (5) |
C2 | 0.0168 (6) | 0.0134 (6) | 0.0108 (7) | 0.0004 (5) | −0.0010 (5) | 0.0000 (5) |
C3 | 0.0155 (6) | 0.0127 (6) | 0.0114 (6) | 0.0007 (5) | 0.0016 (5) | −0.0006 (5) |
C4 | 0.0146 (6) | 0.0124 (6) | 0.0121 (7) | −0.0003 (5) | 0.0012 (5) | −0.0013 (5) |
C5 | 0.0144 (6) | 0.0142 (6) | 0.0139 (7) | 0.0004 (5) | −0.0002 (5) | −0.0003 (5) |
C6 | 0.0188 (7) | 0.0140 (6) | 0.0096 (7) | 0.0020 (5) | −0.0031 (5) | −0.0001 (5) |
C7 | 0.0164 (7) | 0.0161 (6) | 0.0121 (7) | −0.0012 (5) | 0.0015 (5) | −0.0011 (5) |
C8 | 0.0148 (6) | 0.0174 (7) | 0.0145 (7) | −0.0009 (5) | 0.0002 (5) | −0.0015 (5) |
C9 | 0.0155 (6) | 0.0138 (6) | 0.0109 (7) | 0.0006 (5) | 0.0003 (5) | −0.0021 (5) |
C10 | 0.0162 (6) | 0.0129 (6) | 0.0109 (7) | 0.0004 (5) | −0.0014 (5) | 0.0002 (5) |
C11 | 0.0187 (7) | 0.0141 (6) | 0.0112 (7) | 0.0016 (5) | −0.0005 (6) | −0.0008 (5) |
C12 | 0.0227 (7) | 0.0122 (6) | 0.0129 (7) | −0.0002 (5) | −0.0008 (6) | 0.0000 (5) |
C13 | 0.0178 (7) | 0.0176 (7) | 0.0250 (9) | −0.0002 (6) | −0.0048 (6) | −0.0004 (6) |
C14 | 0.0179 (7) | 0.0186 (7) | 0.0272 (8) | 0.0028 (6) | 0.0003 (6) | −0.0009 (6) |
C15 | 0.0203 (7) | 0.0145 (6) | 0.0163 (7) | 0.0007 (5) | 0.0030 (6) | 0.0005 (5) |
C16 | 0.0177 (7) | 0.0174 (7) | 0.0175 (7) | −0.0021 (5) | −0.0002 (5) | −0.0018 (6) |
C17 | 0.0156 (7) | 0.0145 (6) | 0.0171 (7) | 0.0020 (5) | −0.0002 (6) | −0.0001 (5) |
C18 | 0.0277 (8) | 0.0205 (7) | 0.0225 (8) | 0.0014 (6) | 0.0042 (7) | −0.0066 (6) |
C19 | 0.0164 (7) | 0.0158 (6) | 0.0152 (7) | −0.0012 (5) | −0.0012 (5) | 0.0054 (5) |
C20 | 0.0224 (8) | 0.0236 (7) | 0.0190 (8) | −0.0030 (7) | −0.0015 (6) | −0.0008 (6) |
C21 | 0.0353 (10) | 0.0311 (9) | 0.0211 (9) | −0.0126 (8) | −0.0070 (7) | −0.0008 (7) |
C22 | 0.0266 (9) | 0.0339 (9) | 0.0366 (11) | −0.0130 (8) | −0.0166 (8) | 0.0158 (8) |
C23 | 0.0153 (7) | 0.0314 (9) | 0.0486 (12) | 0.0014 (7) | −0.0031 (8) | 0.0182 (8) |
C24 | 0.0174 (7) | 0.0178 (7) | 0.0311 (9) | 0.0020 (6) | 0.0026 (6) | 0.0071 (6) |
C25 | 0.0182 (7) | 0.0201 (6) | 0.0129 (7) | 0.0040 (6) | −0.0020 (6) | 0.0005 (5) |
C26 | 0.0135 (6) | 0.0176 (6) | 0.0139 (7) | −0.0005 (5) | −0.0010 (5) | −0.0008 (5) |
C27 | 0.0188 (7) | 0.0206 (7) | 0.0181 (8) | −0.0038 (6) | 0.0006 (6) | 0.0030 (6) |
C28 | 0.0229 (7) | 0.0157 (7) | 0.0325 (9) | −0.0040 (6) | −0.0003 (7) | 0.0000 (6) |
C29 | 0.0283 (8) | 0.0223 (7) | 0.0253 (9) | −0.0029 (6) | −0.0037 (7) | −0.0103 (6) |
C30 | 0.0297 (8) | 0.0273 (8) | 0.0148 (8) | −0.0015 (7) | −0.0033 (6) | −0.0037 (6) |
C31 | 0.0234 (7) | 0.0194 (7) | 0.0141 (7) | −0.0009 (6) | −0.0039 (6) | 0.0011 (6) |
Cl1—C6 | 1.7459 (15) | C14—C15 | 1.397 (2) |
S1—O2 | 1.4341 (12) | C14—H14 | 0.93 |
S1—O1 | 1.4349 (12) | C15—C16 | 1.393 (2) |
S1—N1 | 1.6386 (12) | C15—C18 | 1.502 (2) |
S1—C12 | 1.7623 (15) | C16—C17 | 1.391 (2) |
N1—C11 | 1.496 (2) | C16—H16 | 0.93 |
N1—C1 | 1.506 (2) | C17—H17 | 0.93 |
N2—C9 | 1.4107 (19) | C18—H18A | 0.96 |
N2—C10 | 1.4531 (19) | C18—H18B | 0.96 |
N2—H1N2 | 0.84 (2) | C18—H18C | 0.96 |
C1—C2 | 1.525 (2) | C19—C24 | 1.388 (2) |
C1—H1A | 0.97 | C19—C20 | 1.399 (2) |
C1—H1B | 0.97 | C20—C21 | 1.390 (2) |
C2—C10 | 1.518 (2) | C20—H20 | 0.93 |
C2—C3 | 1.530 (2) | C21—C22 | 1.380 (3) |
C2—H2 | 0.98 | C21—H21 | 0.93 |
C3—C19 | 1.521 (2) | C22—C23 | 1.377 (3) |
C3—C4 | 1.532 (2) | C22—H22 | 0.93 |
C3—H3 | 0.98 | C23—C24 | 1.392 (3) |
C4—C5 | 1.399 (2) | C23—H23 | 0.93 |
C4—C9 | 1.4072 (19) | C24—H24 | 0.93 |
C5—C6 | 1.384 (2) | C25—C26 | 1.512 (2) |
C5—H5 | 0.93 | C25—H25A | 0.97 |
C6—C7 | 1.390 (2) | C25—H25B | 0.97 |
C7—C8 | 1.382 (2) | C26—C31 | 1.394 (2) |
C7—H7 | 0.93 | C26—C27 | 1.400 (2) |
C8—C9 | 1.403 (2) | C27—C28 | 1.386 (2) |
C8—H8 | 0.93 | C27—H27 | 0.93 |
C10—C11 | 1.529 (2) | C28—C29 | 1.391 (3) |
C10—H10 | 0.98 | C28—H28 | 0.93 |
C11—C25 | 1.539 (2) | C29—C30 | 1.390 (2) |
C11—H11 | 0.98 | C29—H29 | 0.93 |
C12—C17 | 1.392 (2) | C30—C31 | 1.390 (2) |
C12—C13 | 1.397 (2) | C30—H30 | 0.93 |
C13—C14 | 1.386 (2) | C31—H31 | 0.93 |
C13—H13 | 0.93 | ||
O2—S1—O1 | 119.63 (7) | C14—C13—C12 | 118.86 (15) |
O2—S1—N1 | 107.08 (7) | C14—C13—H13 | 120.6 |
O1—S1—N1 | 106.57 (7) | C12—C13—H13 | 120.6 |
O2—S1—C12 | 107.38 (7) | C13—C14—C15 | 121.25 (15) |
O1—S1—C12 | 107.75 (7) | C13—C14—H14 | 119.4 |
N1—S1—C12 | 107.97 (7) | C15—C14—H14 | 119.4 |
C11—N1—C1 | 110.00 (11) | C16—C15—C14 | 118.75 (14) |
C11—N1—S1 | 119.97 (10) | C16—C15—C18 | 119.99 (14) |
C1—N1—S1 | 116.23 (10) | C14—C15—C18 | 121.27 (14) |
C9—N2—C10 | 114.84 (12) | C17—C16—C15 | 121.11 (14) |
C9—N2—H1N2 | 108.8 (14) | C17—C16—H16 | 119.4 |
C10—N2—H1N2 | 115.8 (14) | C15—C16—H16 | 119.4 |
N1—C1—C2 | 103.40 (12) | C16—C17—C12 | 119.01 (14) |
N1—C1—H1A | 111.1 | C16—C17—H17 | 120.5 |
C2—C1—H1A | 111.1 | C12—C17—H17 | 120.5 |
N1—C1—H1B | 111.1 | C15—C18—H18A | 109.5 |
C2—C1—H1B | 111.1 | C15—C18—H18B | 109.5 |
H1A—C1—H1B | 109.0 | H18A—C18—H18B | 109.5 |
C10—C2—C1 | 101.60 (12) | C15—C18—H18C | 109.5 |
C10—C2—C3 | 110.69 (11) | H18A—C18—H18C | 109.5 |
C1—C2—C3 | 117.94 (12) | H18B—C18—H18C | 109.5 |
C10—C2—H2 | 108.7 | C24—C19—C20 | 118.21 (15) |
C1—C2—H2 | 108.7 | C24—C19—C3 | 121.56 (14) |
C3—C2—H2 | 108.7 | C20—C19—C3 | 120.21 (13) |
C19—C3—C2 | 112.59 (11) | C21—C20—C19 | 120.94 (17) |
C19—C3—C4 | 111.32 (12) | C21—C20—H20 | 119.5 |
C2—C3—C4 | 108.78 (12) | C19—C20—H20 | 119.5 |
C19—C3—H3 | 108.0 | C22—C21—C20 | 119.93 (18) |
C2—C3—H3 | 108.0 | C22—C21—H21 | 120.0 |
C4—C3—H3 | 108.0 | C20—C21—H21 | 120.0 |
C5—C4—C9 | 118.43 (13) | C23—C22—C21 | 119.78 (17) |
C5—C4—C3 | 119.09 (13) | C23—C22—H22 | 120.1 |
C9—C4—C3 | 122.47 (13) | C21—C22—H22 | 120.1 |
C6—C5—C4 | 120.78 (14) | C22—C23—C24 | 120.57 (17) |
C6—C5—H5 | 119.6 | C22—C23—H23 | 119.7 |
C4—C5—H5 | 119.6 | C24—C23—H23 | 119.7 |
C5—C6—C7 | 121.18 (14) | C19—C24—C23 | 120.54 (16) |
C5—C6—Cl1 | 119.37 (11) | C19—C24—H24 | 119.7 |
C7—C6—Cl1 | 119.42 (12) | C23—C24—H24 | 119.7 |
C8—C7—C6 | 118.47 (14) | C26—C25—C11 | 116.91 (13) |
C8—C7—H7 | 120.8 | C26—C25—H25A | 108.1 |
C6—C7—H7 | 120.8 | C11—C25—H25A | 108.1 |
C7—C8—C9 | 121.50 (14) | C26—C25—H25B | 108.1 |
C7—C8—H8 | 119.2 | C11—C25—H25B | 108.1 |
C9—C8—H8 | 119.2 | H25A—C25—H25B | 107.3 |
C8—C9—C4 | 119.59 (14) | C31—C26—C27 | 118.21 (14) |
C8—C9—N2 | 118.73 (13) | C31—C26—C25 | 119.60 (13) |
C4—C9—N2 | 121.67 (13) | C27—C26—C25 | 122.14 (14) |
N2—C10—C2 | 110.21 (12) | C28—C27—C26 | 121.02 (15) |
N2—C10—C11 | 114.05 (12) | C28—C27—H27 | 119.5 |
C2—C10—C11 | 102.39 (11) | C26—C27—H27 | 119.5 |
N2—C10—H10 | 110.0 | C27—C28—C29 | 120.02 (15) |
C2—C10—H10 | 110.0 | C27—C28—H28 | 120.0 |
C11—C10—H10 | 110.0 | C29—C28—H28 | 120.0 |
N1—C11—C10 | 99.92 (12) | C30—C29—C28 | 119.71 (16) |
N1—C11—C25 | 116.13 (12) | C30—C29—H29 | 120.1 |
C10—C11—C25 | 115.10 (12) | C28—C29—H29 | 120.1 |
N1—C11—H11 | 108.4 | C31—C30—C29 | 119.96 (16) |
C10—C11—H11 | 108.4 | C31—C30—H30 | 120.0 |
C25—C11—H11 | 108.4 | C29—C30—H30 | 120.0 |
C17—C12—C13 | 121.01 (13) | C30—C31—C26 | 121.07 (14) |
C17—C12—S1 | 118.72 (12) | C30—C31—H31 | 119.5 |
C13—C12—S1 | 120.25 (12) | C26—C31—H31 | 119.5 |
O2—S1—N1—C11 | −50.80 (12) | C2—C10—C11—N1 | 43.40 (13) |
O1—S1—N1—C11 | −179.92 (10) | N2—C10—C11—C25 | −72.42 (16) |
C12—S1—N1—C11 | 64.55 (12) | C2—C10—C11—C25 | 168.55 (12) |
O2—S1—N1—C1 | 172.80 (10) | O2—S1—C12—C17 | −155.56 (12) |
O1—S1—N1—C1 | 43.67 (12) | O1—S1—C12—C17 | −25.46 (14) |
C12—S1—N1—C1 | −71.85 (12) | N1—S1—C12—C17 | 89.29 (13) |
C11—N1—C1—C2 | −3.90 (14) | O2—S1—C12—C13 | 23.14 (15) |
S1—N1—C1—C2 | 136.63 (10) | O1—S1—C12—C13 | 153.24 (12) |
N1—C1—C2—C10 | 30.84 (14) | N1—S1—C12—C13 | −92.01 (13) |
N1—C1—C2—C3 | 151.97 (12) | C17—C12—C13—C14 | 0.4 (2) |
C10—C2—C3—C19 | −169.50 (12) | S1—C12—C13—C14 | −178.31 (12) |
C1—C2—C3—C19 | 74.18 (16) | C12—C13—C14—C15 | −0.1 (2) |
C10—C2—C3—C4 | −45.62 (15) | C13—C14—C15—C16 | −0.4 (2) |
C1—C2—C3—C4 | −161.95 (12) | C13—C14—C15—C18 | 179.29 (15) |
C19—C3—C4—C5 | −41.60 (17) | C14—C15—C16—C17 | 0.5 (2) |
C2—C3—C4—C5 | −166.23 (12) | C18—C15—C16—C17 | −179.16 (14) |
C19—C3—C4—C9 | 139.71 (14) | C15—C16—C17—C12 | −0.2 (2) |
C2—C3—C4—C9 | 15.08 (19) | C13—C12—C17—C16 | −0.2 (2) |
C9—C4—C5—C6 | 0.2 (2) | S1—C12—C17—C16 | 178.46 (11) |
C3—C4—C5—C6 | −178.56 (13) | C2—C3—C19—C24 | −115.72 (15) |
C4—C5—C6—C7 | −1.8 (2) | C4—C3—C19—C24 | 121.83 (15) |
C4—C5—C6—Cl1 | −179.87 (11) | C2—C3—C19—C20 | 65.90 (17) |
C5—C6—C7—C8 | 1.5 (2) | C4—C3—C19—C20 | −56.56 (17) |
Cl1—C6—C7—C8 | 179.53 (11) | C24—C19—C20—C21 | 0.2 (2) |
C6—C7—C8—C9 | 0.5 (2) | C3—C19—C20—C21 | 178.68 (15) |
C7—C8—C9—C4 | −2.1 (2) | C19—C20—C21—C22 | −1.1 (3) |
C7—C8—C9—N2 | 178.85 (14) | C20—C21—C22—C23 | 1.0 (3) |
C5—C4—C9—C8 | 1.7 (2) | C21—C22—C23—C24 | 0.0 (3) |
C3—C4—C9—C8 | −179.61 (12) | C20—C19—C24—C23 | 0.7 (2) |
C5—C4—C9—N2 | −179.25 (12) | C3—C19—C24—C23 | −177.67 (14) |
C3—C4—C9—N2 | −0.5 (2) | C22—C23—C24—C19 | −0.9 (2) |
C10—N2—C9—C8 | −162.78 (13) | N1—C11—C25—C26 | 54.31 (17) |
C10—N2—C9—C4 | 18.1 (2) | C10—C11—C25—C26 | −61.90 (18) |
C9—N2—C10—C2 | −49.72 (16) | C11—C25—C26—C31 | −103.37 (17) |
C9—N2—C10—C11 | −164.22 (12) | C11—C25—C26—C27 | 79.21 (19) |
C1—C2—C10—N2 | −168.63 (12) | C31—C26—C27—C28 | 0.9 (2) |
C3—C2—C10—N2 | 65.30 (15) | C25—C26—C27—C28 | 178.35 (14) |
C1—C2—C10—C11 | −46.93 (14) | C26—C27—C28—C29 | −0.8 (2) |
C3—C2—C10—C11 | −172.99 (11) | C27—C28—C29—C30 | 0.2 (3) |
C1—N1—C11—C10 | −24.29 (13) | C28—C29—C30—C31 | 0.3 (3) |
S1—N1—C11—C10 | −163.12 (9) | C29—C30—C31—C26 | −0.3 (3) |
C1—N1—C11—C25 | −148.72 (12) | C27—C26—C31—C30 | −0.4 (2) |
S1—N1—C11—C25 | 72.44 (15) | C25—C26—C31—C30 | −177.87 (15) |
N2—C10—C11—N1 | 162.44 (11) |
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H1N2···Cl1i | 0.84 (2) | 2.83 (2) | 3.5947 (13) | 153 (2) |
C25—H25B···O2 | 0.97 | 2.46 | 3.0529 (19) | 119 |
C27—H27···Cl1i | 0.93 | 2.77 | 3.5980 (16) | 149 |
C17—H17···Cg2ii | 0.93 | 2.70 | 3.5403 (16) | 151 |
C29—H29···Cg1iii | 0.93 | 2.68 | 3.6014 (19) | 170 |
Symmetry codes: (i) x−1/2, −y+1/2, −z+1; (ii) −x+2, y+1/2, −z+1/2; (iii) −x+2, y−1/2, −z+1/2. |
Experimental details
Crystal data | |
Chemical formula | C31H29ClN2O2S |
Mr | 529.07 |
Crystal system, space group | Orthorhombic, P212121 |
Temperature (K) | 100 |
a, b, c (Å) | 10.0106 (1), 11.8612 (1), 21.8256 (2) |
V (Å3) | 2591.52 (4) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.26 |
Crystal size (mm) | 0.28 × 0.25 × 0.15 |
Data collection | |
Diffractometer | Bruker SMART APEXII CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2005) |
Tmin, Tmax | 0.930, 0.962 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 35839, 8047, 7259 |
Rint | 0.045 |
(sin θ/λ)max (Å−1) | 0.719 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.037, 0.090, 1.02 |
No. of reflections | 8047 |
No. of parameters | 339 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.42, −0.31 |
Absolute structure | Flack (1983), 3555 Friedel pairs |
Absolute structure parameter | 0.02 (4) |
Computer programs: APEX2 (Bruker, 2005), SAINT (Bruker, 2005), SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H1N2···Cl1i | 0.84 (2) | 2.83 (2) | 3.5947 (13) | 153 (2) |
C27—H27···Cl1i | 0.93 | 2.77 | 3.5980 (16) | 149 |
C17—H17···Cg2ii | 0.93 | 2.70 | 3.5403 (16) | 151 |
C29—H29···Cg1iii | 0.93 | 2.68 | 3.6014 (19) | 170 |
Symmetry codes: (i) x−1/2, −y+1/2, −z+1; (ii) −x+2, y+1/2, −z+1/2; (iii) −x+2, y−1/2, −z+1/2. |
Acknowledgements
HKF thanks Universiti Sains Malaysia for the Research University Golden Goose grant No. 1001/PFIZIK/811012.
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.
Pyrroloquinoline derivatives have been found to exhibit caspase-3 inhibitory (Kravchenko et al., 2005), vasorelaxing (Ferlin et al., 2002) and antileukemic (Anderson et al., 1988) activities. Previously, we have reported crystal structures of some pyrroloquinoline derivatives (Sudha et al., 2007,2008a,b). Now, herein the crystal structure of the title compound is reported.
The pyrrolidine ring adopts an envelope conformation with C10, the envelope flap, lying 0.695 (2) Å out of the plane formed by the rest of the atoms of the ring (r.m.s. deviation 0.019 Å). The asymmetry parameter (Duax et al., 1976) ΔCs[C10] = 5.3 (1)° and the puckering parameters (Cremer & Pople, 1975) q2 = 0.464 (2) Å and ϕ = 102.7 (2)°. The tosyl group is attached to the pyrrolidine ring in a equtorial position. The tetrahydropyridine ring adopts a half-chair conformation, with the local twofold rotation axis running through the midpoint of bonds C2—C10 and C4—C9 [asymmetry parameter ΔC2[C2—C10] = 3.6 (2)°]. The phenyl ring attached to the tetrahydropyridine ring is in a biaxial position. The dihedral angle between the C4—C9 and C19—C24 rings is 77.9 (1)° and that between the C12—C17 and C26—C31 rings is 88.0 (1)°. Bond lengths and angles are comparable with those in the unchlorinated derivative, 3-benzyl-9-phenyl-2-tosyl-2,3,3a,4,9,9a-hexahydro-1H-pyrrolo[3,4-b]quinoline (Chinnakali et al., 2009).
The N2—H1N2···Cl1 and C27—H27···Cl1 hydrogen bonds (Table 1) form a pair of bifurcated acceptor bonds, generating a ring of graph-set motif R12(9). These hydrogen bonds link the molecules into a chain along the a axis (Fig. 2). The adjacent chains are crosslinked via C—H···π interactions involving the benzyl phenyl and the phenyl ring bound to the fused ring system.
A superposition of the non-H atoms (except the N-bound H atom) of the unchlorinated derivative (Chinnakali et al., 2009) with those of the title molecule using XP in SHELXTL (Sheldrick, 2008), gave an r.m.s. deviation of 1.27 Å (Fig. 3). In the unchlorinated derivative, the benzyl phenyl ring is oriented in such a way to form an N—H···π interaction. But in the title molecule, the benzyl group is twisted away from the N—H group to make it available for participation in an N—H···Cl hydrogen bond.