supplementary materials
(1R,3S,5R,6S)-6-Acetoxy-8-methyl-3-(p-tolylsulfonyloxy)-8-azoniabicyclo[3.2.1]octane (2R,3R)-2,3-bis(benzoyloxy)-3-carboxypropanoate
The title compound, C17H24NO5S+·C18H13O8-, is the key intermediate during the preparation of lesatropane [systematic name (1R,3S,5R,6S)-6-acetoxy-3-(4-methylphenylsulfonyloxy)tropane], a potential antiglaucoma agent. The tertiary N atom of the tropane ring is involved in intermolecular N-H
O hydrogen bonding, and the carboxylate groups are involved in intermolecular O-H
O hydrogen bonding.
Rac 6β-acetoxy-3α-paramethylbenzene sulfonyloxytropane (586.3 mg, 1.66 mmol)
and (-)-2,3-dibenzoyl-L-tartaric acid (728.3 mg, 2.03 mmol) were
dissolved in methanol. After disposing at room temperature for 12 h, the title
compound as precipitate was collected by filtration. Three recrystallizations
of the crude product from anhydrous ethanol gave pure colorless crystals, 30%
yield, m.p. 443–445 K, [α]D20 -14.23 (c = 0.084, EtOH).
H atoms were located in a difference Fourier map and refined isotropically with
bond restraint: N1–H1A=0.860 (18)Å, other H atoms were positioned
geometrically and treated as riding, with C–H and O–H bond lengths
constrained to 0.96Å for methyl, 0.97Å for methylene, 0.98Å for methine,
0.93Å for Csp2—H and 0.82Å for hydroxyl, with Uiso(H)
= 1.5Ueq(methyl C and hydroxyl O) and Uiso(H) =
1.2Ueq(methylene and methine C). The 3094 Friedel pairs were used in
the measurement of the Flack parameter (Flack, 1983).
Data collection: SMART (Bruker, 2001); cell refinement: SAINT (Bruker, 2001); data reduction: SHELXTL (Sheldrick, 2080); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).
(1
R,3
S,5
R,6
S)-6-Acetoxy-8-methyl-3-(
p-
tolylsulfonyloxy)-8-azoniabicyclo[3.2.1]octane
(2
R,3
R)-2,3-bis(benzoyloxy)-3-carboxypropanoate
top
Crystal data top
| C17H24NO5S+·C18H13O8− | Dx = 1.338 Mg m−3 |
| Mr = 711.72 | Melting point: 445 K |
| Orthorhombic, P212121 | Mo Kα radiation, λ = 0.71073 Å |
| Hall symbol: P 2ac 2ab | Cell parameters from 3212 reflections |
| a = 7.4153 (5) Å | θ = 4.5–39.6° |
| b = 19.2664 (12) Å | µ = 0.16 mm−1 |
| c = 24.7388 (16) Å | T = 293 K |
| V = 3534.3 (4) Å3 | Prismatic, colorless |
| Z = 4 | 0.31 × 0.16 × 0.08 mm |
| F(000) = 1496 | |
Data collection top
Bruker SMART CCD area-detector diffractometer | 6550 independent reflections |
| Radiation source: fine-focus sealed tube | 5135 reflections with I > 2σ(I) |
| graphite | Rint = 0.081 |
| φ and ω scans | θmax = 25.5°, θmin = 1.7° |
Absorption correction: multi-scan (SADABS; Sheldrick, 2002) | h = −8→8 |
| Tmin = 0.863, Tmax = 1.000 | k = −23→22 |
| 18779 measured reflections | l = −29→25 |
Refinement top
| 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)] = 0.063 | H atoms treated by a mixture of independent and constrained refinement |
| wR(F2) = 0.125 | w = 1/[σ2(Fo2) + (0.0406P)2] where P = (Fo2 + 2Fc2)/3 |
| S = 1.06 | (Δ/σ)max = 0.002 |
| 6550 reflections | Δρmax = 0.19 e Å−3 |
| 459 parameters | Δρmin = −0.17 e Å−3 |
| 1 restraint | Absolute structure: Flack (1983), 3094 Friedel pairs |
| Primary atom site location: structure-invariant direct methods | Flack parameter: 0.03 (12) |
Crystal data top
| C17H24NO5S+·C18H13O8− | V = 3534.3 (4) Å3 |
| Mr = 711.72 | Z = 4 |
| Orthorhombic, P212121 | Mo Kα radiation |
| a = 7.4153 (5) Å | µ = 0.16 mm−1 |
| b = 19.2664 (12) Å | T = 293 K |
| c = 24.7388 (16) Å | 0.31 × 0.16 × 0.08 mm |
Data collection top
Bruker SMART CCD area-detector diffractometer | 6550 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 2002) | 5135 reflections with I > 2σ(I) |
| Tmin = 0.863, Tmax = 1.000 | Rint = 0.081 |
| 18779 measured reflections | θmax = 25.5° |
Refinement top
| R[F2 > 2σ(F2)] = 0.063 | H atoms treated by a mixture of independent and constrained refinement |
| wR(F2) = 0.125 | Δρmax = 0.19 e Å−3 |
| S = 1.06 | Δρmin = −0.17 e Å−3 |
| 6550 reflections | Absolute structure: Flack (1983), 3094 Friedel pairs |
| 459 parameters | Flack parameter: 0.03 (12) |
| 1 restraint | |
Special details top
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) top| | x | y | z | Uiso*/Ueq | |
| S1 | 0.43913 (19) | 0.80222 (5) | 0.07318 (5) | 0.0665 (4) | |
| O1 | 0.8630 (3) | 0.65740 (12) | 0.25014 (9) | 0.0447 (6) | |
| O2 | 0.9488 (3) | 0.64372 (13) | 0.33606 (9) | 0.0503 (7) | |
| O3 | 0.3089 (4) | 0.53125 (14) | 0.33986 (11) | 0.0635 (8) | |
| O4 | 0.2542 (3) | 0.63195 (15) | 0.29838 (11) | 0.0607 (8) | |
| H4 | 0.1541 | 0.6282 | 0.3121 | 0.091* | |
| O5 | 0.6110 (3) | 0.64586 (10) | 0.37312 (8) | 0.0344 (5) | |
| O6 | 0.6373 (5) | 0.76048 (13) | 0.37990 (11) | 0.0713 (9) | |
| O7 | 0.6535 (3) | 0.52908 (11) | 0.29852 (8) | 0.0381 (6) | |
| O8 | 0.4990 (4) | 0.47399 (14) | 0.23402 (11) | 0.0665 (8) | |
| O9 | 0.3342 (3) | 0.51778 (11) | 0.09819 (9) | 0.0437 (6) | |
| O10 | 0.6199 (4) | 0.54125 (18) | 0.11767 (14) | 0.0864 (10) | |
| O11 | 0.3041 (4) | 0.74042 (11) | 0.08365 (9) | 0.0567 (8) | |
| O12 | 0.5495 (5) | 0.81346 (16) | 0.12012 (13) | 0.0827 (10) | |
| O13 | 0.5200 (6) | 0.78393 (14) | 0.02309 (13) | 0.1013 (14) | |
| N1 | 0.0691 (4) | 0.60385 (15) | 0.17050 (12) | 0.0403 (7) | |
| C1 | 0.5418 (4) | 0.58904 (15) | 0.28989 (13) | 0.0312 (7) | |
| H1 | 0.5325 | 0.5974 | 0.2509 | 0.037* | |
| C2 | 0.6353 (4) | 0.65030 (16) | 0.31564 (11) | 0.0308 (7) | |
| H2 | 0.5784 | 0.6931 | 0.3026 | 0.037* | |
| C3 | 0.8340 (4) | 0.65123 (16) | 0.29961 (14) | 0.0337 (8) | |
| C4 | 0.3536 (5) | 0.57930 (19) | 0.31248 (13) | 0.0382 (8) | |
| C5 | 0.6121 (5) | 0.70611 (18) | 0.40081 (14) | 0.0425 (9) | |
| C6 | 0.5822 (5) | 0.69397 (18) | 0.45963 (14) | 0.0431 (9) | |
| C7 | 0.5218 (6) | 0.6320 (2) | 0.48022 (15) | 0.0561 (11) | |
| H7 | 0.5015 | 0.5949 | 0.4570 | 0.067* | |
| C8 | 0.4907 (7) | 0.6240 (2) | 0.53502 (18) | 0.0750 (14) | |
| H8 | 0.4476 | 0.5821 | 0.5485 | 0.090* | |
| C9 | 0.5241 (7) | 0.6785 (3) | 0.56931 (18) | 0.0791 (15) | |
| H9 | 0.5055 | 0.6732 | 0.6063 | 0.095* | |
| C10 | 0.5841 (7) | 0.7403 (3) | 0.54952 (18) | 0.0780 (15) | |
| H10 | 0.6052 | 0.7771 | 0.5730 | 0.094* | |
| C11 | 0.6139 (6) | 0.7486 (2) | 0.49489 (17) | 0.0663 (12) | |
| H11 | 0.6553 | 0.7909 | 0.4817 | 0.080* | |
| C12 | 0.6235 (5) | 0.47548 (18) | 0.26441 (14) | 0.0431 (9) | |
| C13 | 0.7706 (6) | 0.42341 (17) | 0.26702 (14) | 0.0464 (10) | |
| C14 | 0.7538 (7) | 0.36354 (19) | 0.23575 (15) | 0.0697 (14) | |
| H14 | 0.6463 | 0.3543 | 0.2178 | 0.084* | |
| C15 | 0.8981 (10) | 0.3175 (2) | 0.2315 (2) | 0.0876 (19) | |
| H15 | 0.8885 | 0.2781 | 0.2100 | 0.105* | |
| C16 | 1.0522 (10) | 0.3306 (3) | 0.2589 (2) | 0.093 (2) | |
| H16 | 1.1479 | 0.2996 | 0.2560 | 0.111* | |
| C17 | 1.0715 (7) | 0.3883 (2) | 0.2910 (2) | 0.0732 (14) | |
| H17 | 1.1785 | 0.3962 | 0.3096 | 0.088* | |
| C18 | 0.9293 (6) | 0.43443 (18) | 0.29510 (16) | 0.0529 (11) | |
| H18 | 0.9405 | 0.4734 | 0.3170 | 0.064* | |
| C19 | 0.2672 (5) | 0.61242 (17) | 0.16238 (12) | 0.0380 (8) | |
| H19 | 0.3349 | 0.5816 | 0.1865 | 0.046* | |
| C20 | 0.3139 (5) | 0.68767 (17) | 0.17330 (13) | 0.0448 (9) | |
| H20A | 0.4423 | 0.6944 | 0.1680 | 0.054* | |
| H20B | 0.2865 | 0.6984 | 0.2107 | 0.054* | |
| C21 | 0.2105 (6) | 0.73772 (18) | 0.13658 (14) | 0.0509 (11) | |
| H21 | 0.2102 | 0.7841 | 0.1529 | 0.061* | |
| C22 | 0.0196 (6) | 0.71503 (18) | 0.12643 (15) | 0.0533 (10) | |
| H22A | −0.0239 | 0.7379 | 0.0940 | 0.064* | |
| H22B | −0.0548 | 0.7305 | 0.1563 | 0.064* | |
| C23 | −0.0048 (5) | 0.63679 (18) | 0.11971 (14) | 0.0450 (9) | |
| H23 | −0.1322 | 0.6249 | 0.1146 | 0.054* | |
| C24 | 0.1113 (5) | 0.60421 (18) | 0.07602 (13) | 0.0459 (10) | |
| H24A | 0.1233 | 0.6353 | 0.0454 | 0.055* | |
| H24B | 0.0591 | 0.5608 | 0.0637 | 0.055* | |
| C25 | 0.2953 (5) | 0.59160 (16) | 0.10286 (13) | 0.0365 (8) | |
| H25 | 0.3898 | 0.6197 | 0.0859 | 0.044* | |
| C26 | 0.5068 (6) | 0.4997 (2) | 0.10702 (16) | 0.0547 (11) | |
| C27 | 0.5346 (8) | 0.4234 (2) | 0.10171 (19) | 0.0869 (16) | |
| H27A | 0.6415 | 0.4101 | 0.1210 | 0.130* | |
| H27B | 0.5478 | 0.4116 | 0.0642 | 0.130* | |
| H27C | 0.4325 | 0.3993 | 0.1165 | 0.130* | |
| C28 | 0.0126 (6) | 0.53036 (19) | 0.17885 (16) | 0.0608 (11) | |
| H28A | 0.0494 | 0.5030 | 0.1484 | 0.091* | |
| H28B | −0.1162 | 0.5282 | 0.1825 | 0.091* | |
| H28C | 0.0682 | 0.5126 | 0.2110 | 0.091* | |
| C29 | 0.2935 (7) | 0.87247 (18) | 0.06412 (14) | 0.0555 (11) | |
| C30 | 0.3384 (7) | 0.93614 (18) | 0.08560 (15) | 0.0591 (12) | |
| H30 | 0.4453 | 0.9419 | 0.1047 | 0.071* | |
| C31 | 0.2217 (8) | 0.9912 (2) | 0.07822 (17) | 0.0699 (14) | |
| H31 | 0.2523 | 1.0342 | 0.0925 | 0.084* | |
| C32 | 0.0617 (8) | 0.9846 (2) | 0.05054 (16) | 0.0696 (14) | |
| C33 | 0.0230 (9) | 0.9193 (2) | 0.03008 (17) | 0.0857 (17) | |
| H33 | −0.0847 | 0.9128 | 0.0115 | 0.103* | |
| C34 | 0.1363 (8) | 0.8643 (2) | 0.03609 (16) | 0.0794 (17) | |
| H34 | 0.1069 | 0.8214 | 0.0212 | 0.095* | |
| C35 | −0.0664 (10) | 1.0455 (3) | 0.04588 (19) | 0.111 (2) | |
| H35A | −0.1094 | 1.0580 | 0.0812 | 0.167* | |
| H35B | −0.1667 | 1.0329 | 0.0234 | 0.167* | |
| H35C | −0.0043 | 1.0843 | 0.0301 | 0.167* | |
| H1A | 0.032 (5) | 0.6269 (16) | 0.1981 (11) | 0.054 (12)* | |
Atomic displacement parameters (Å2) top| | U11 | U22 | U33 | U12 | U13 | U23 |
| S1 | 0.0980 (10) | 0.0401 (5) | 0.0614 (7) | −0.0053 (6) | 0.0372 (7) | 0.0059 (5) |
| O1 | 0.0397 (14) | 0.0591 (15) | 0.0352 (13) | −0.0003 (13) | 0.0084 (11) | 0.0051 (11) |
| O2 | 0.0320 (14) | 0.0785 (18) | 0.0404 (14) | 0.0036 (14) | 0.0004 (12) | −0.0020 (13) |
| O3 | 0.0570 (19) | 0.0574 (17) | 0.076 (2) | −0.0078 (15) | 0.0169 (15) | 0.0155 (15) |
| O4 | 0.0278 (14) | 0.087 (2) | 0.0668 (18) | 0.0102 (15) | 0.0113 (13) | 0.0265 (16) |
| O5 | 0.0368 (13) | 0.0345 (12) | 0.0318 (12) | 0.0018 (11) | 0.0078 (10) | −0.0011 (10) |
| O6 | 0.121 (3) | 0.0339 (14) | 0.0589 (18) | −0.0120 (16) | 0.0077 (18) | −0.0011 (13) |
| O7 | 0.0399 (14) | 0.0359 (12) | 0.0385 (13) | 0.0052 (11) | −0.0030 (11) | −0.0047 (10) |
| O8 | 0.075 (2) | 0.0667 (18) | 0.0578 (18) | −0.0039 (17) | −0.0186 (16) | −0.0172 (15) |
| O9 | 0.0515 (17) | 0.0386 (13) | 0.0409 (14) | 0.0016 (12) | −0.0038 (12) | −0.0042 (11) |
| O10 | 0.053 (2) | 0.086 (2) | 0.120 (3) | −0.0026 (19) | −0.015 (2) | 0.012 (2) |
| O11 | 0.095 (2) | 0.0355 (13) | 0.0397 (15) | −0.0029 (14) | 0.0216 (14) | −0.0002 (11) |
| O12 | 0.077 (2) | 0.077 (2) | 0.093 (2) | −0.0141 (19) | −0.003 (2) | 0.0102 (18) |
| O13 | 0.159 (4) | 0.0518 (18) | 0.093 (2) | 0.002 (2) | 0.081 (2) | 0.0111 (16) |
| N1 | 0.0452 (19) | 0.0415 (17) | 0.0341 (17) | −0.0024 (14) | 0.0082 (14) | 0.0053 (14) |
| C1 | 0.0264 (18) | 0.0359 (16) | 0.0314 (17) | 0.0040 (15) | −0.0011 (14) | 0.0034 (14) |
| C2 | 0.0279 (18) | 0.0348 (17) | 0.0299 (17) | 0.0031 (15) | 0.0025 (14) | 0.0021 (14) |
| C3 | 0.0327 (19) | 0.0298 (16) | 0.038 (2) | 0.0031 (15) | 0.0062 (16) | 0.0033 (15) |
| C4 | 0.034 (2) | 0.048 (2) | 0.0325 (19) | −0.0028 (18) | 0.0006 (16) | 0.0029 (16) |
| C5 | 0.039 (2) | 0.041 (2) | 0.047 (2) | −0.0050 (18) | 0.0061 (17) | −0.0086 (18) |
| C6 | 0.037 (2) | 0.047 (2) | 0.045 (2) | −0.0001 (18) | 0.0039 (17) | −0.0130 (18) |
| C7 | 0.067 (3) | 0.058 (2) | 0.044 (2) | 0.007 (2) | 0.007 (2) | −0.0068 (19) |
| C8 | 0.093 (4) | 0.078 (3) | 0.054 (3) | 0.010 (3) | 0.015 (3) | 0.007 (2) |
| C9 | 0.084 (4) | 0.115 (4) | 0.038 (3) | 0.016 (3) | 0.002 (2) | 0.001 (3) |
| C10 | 0.074 (4) | 0.106 (4) | 0.054 (3) | 0.001 (3) | 0.002 (3) | −0.037 (3) |
| C11 | 0.073 (3) | 0.075 (3) | 0.050 (3) | −0.013 (3) | 0.007 (2) | −0.020 (2) |
| C12 | 0.053 (2) | 0.045 (2) | 0.031 (2) | −0.0080 (19) | 0.0071 (18) | −0.0013 (17) |
| C13 | 0.074 (3) | 0.0310 (18) | 0.035 (2) | 0.0024 (19) | 0.018 (2) | 0.0075 (16) |
| C14 | 0.123 (4) | 0.046 (2) | 0.040 (2) | 0.006 (3) | 0.020 (2) | 0.0053 (19) |
| C15 | 0.158 (6) | 0.039 (2) | 0.066 (3) | 0.033 (3) | 0.036 (4) | 0.004 (2) |
| C16 | 0.132 (6) | 0.057 (3) | 0.090 (4) | 0.038 (4) | 0.054 (4) | 0.026 (3) |
| C17 | 0.075 (3) | 0.055 (3) | 0.089 (3) | 0.023 (2) | 0.025 (3) | 0.026 (2) |
| C18 | 0.063 (3) | 0.039 (2) | 0.057 (2) | 0.004 (2) | 0.020 (2) | 0.0065 (18) |
| C19 | 0.048 (2) | 0.0395 (18) | 0.0269 (18) | −0.0054 (17) | −0.0006 (16) | 0.0074 (15) |
| C20 | 0.061 (3) | 0.043 (2) | 0.0304 (19) | −0.0098 (19) | −0.0002 (17) | −0.0058 (16) |
| C21 | 0.075 (3) | 0.0370 (19) | 0.041 (2) | −0.002 (2) | 0.026 (2) | 0.0010 (16) |
| C22 | 0.066 (3) | 0.050 (2) | 0.043 (2) | 0.013 (2) | 0.006 (2) | 0.0064 (18) |
| C23 | 0.037 (2) | 0.053 (2) | 0.045 (2) | 0.0005 (18) | −0.0034 (17) | 0.0060 (18) |
| C24 | 0.063 (3) | 0.0428 (19) | 0.0320 (19) | 0.0073 (19) | −0.0083 (18) | 0.0002 (16) |
| C25 | 0.048 (2) | 0.0293 (17) | 0.0320 (19) | −0.0012 (17) | 0.0033 (16) | 0.0030 (14) |
| C26 | 0.053 (3) | 0.062 (3) | 0.049 (2) | 0.003 (2) | −0.002 (2) | −0.003 (2) |
| C27 | 0.114 (5) | 0.066 (3) | 0.081 (3) | 0.034 (3) | −0.019 (3) | −0.010 (3) |
| C28 | 0.060 (3) | 0.056 (2) | 0.066 (3) | −0.013 (2) | 0.013 (2) | 0.020 (2) |
| C29 | 0.099 (4) | 0.039 (2) | 0.028 (2) | −0.012 (2) | 0.013 (2) | −0.0027 (16) |
| C30 | 0.094 (4) | 0.037 (2) | 0.047 (2) | −0.015 (2) | 0.013 (2) | −0.0071 (17) |
| C31 | 0.127 (5) | 0.037 (2) | 0.045 (3) | −0.012 (3) | 0.017 (3) | −0.0121 (19) |
| C32 | 0.123 (5) | 0.052 (3) | 0.034 (2) | 0.006 (3) | 0.000 (3) | 0.0035 (19) |
| C33 | 0.141 (5) | 0.068 (3) | 0.048 (3) | −0.005 (3) | −0.037 (3) | 0.004 (2) |
| C34 | 0.157 (5) | 0.035 (2) | 0.047 (3) | −0.011 (3) | −0.026 (3) | 0.0005 (19) |
| C35 | 0.183 (7) | 0.086 (4) | 0.064 (3) | 0.055 (4) | 0.009 (4) | 0.004 (3) |
Geometric parameters (Å, °) top
| S1—O13 | 1.421 (3) | C15—C16 | 1.353 (7) |
| S1—O12 | 1.437 (3) | C15—H15 | 0.9300 |
| S1—O11 | 1.577 (3) | C16—C17 | 1.372 (7) |
| S1—C29 | 1.746 (4) | C16—H16 | 0.9300 |
| O1—C3 | 1.248 (4) | C17—C18 | 1.383 (5) |
| O2—C3 | 1.249 (4) | C17—H17 | 0.9300 |
| O3—C4 | 1.194 (4) | C18—H18 | 0.9300 |
| O4—C4 | 1.301 (4) | C19—C20 | 1.515 (5) |
| O4—H4 | 0.8200 | C19—C25 | 1.540 (4) |
| O5—C5 | 1.348 (4) | C19—H19 | 0.9800 |
| O5—C2 | 1.436 (3) | C20—C21 | 1.530 (5) |
| O6—C5 | 1.183 (4) | C20—H20A | 0.9700 |
| O7—C12 | 1.352 (4) | C20—H20B | 0.9700 |
| O7—C1 | 1.437 (3) | C21—C22 | 1.503 (6) |
| O8—C12 | 1.191 (4) | C21—H21 | 0.9800 |
| O9—C26 | 1.344 (5) | C22—C23 | 1.527 (5) |
| O9—C25 | 1.456 (4) | C22—H22A | 0.9700 |
| O10—C26 | 1.189 (5) | C22—H22B | 0.9700 |
| O11—C21 | 1.483 (4) | C23—C24 | 1.518 (5) |
| N1—C28 | 1.491 (4) | C23—H23 | 0.9800 |
| N1—C19 | 1.492 (5) | C24—C25 | 1.537 (5) |
| N1—C23 | 1.511 (4) | C24—H24A | 0.9700 |
| N1—H1A | 0.860 (18) | C24—H24B | 0.9700 |
| C1—C2 | 1.510 (4) | C25—H25 | 0.9800 |
| C1—C4 | 1.515 (5) | C26—C27 | 1.490 (5) |
| C1—H1 | 0.9800 | C27—H27A | 0.9600 |
| C2—C3 | 1.525 (4) | C27—H27B | 0.9600 |
| C2—H2 | 0.9800 | C27—H27C | 0.9600 |
| C5—C6 | 1.491 (5) | C28—H28A | 0.9600 |
| C6—C7 | 1.373 (5) | C28—H28B | 0.9600 |
| C6—C11 | 1.387 (5) | C28—H28C | 0.9600 |
| C7—C8 | 1.384 (5) | C29—C34 | 1.365 (6) |
| C7—H7 | 0.9300 | C29—C30 | 1.378 (5) |
| C8—C9 | 1.373 (6) | C30—C31 | 1.381 (6) |
| C8—H8 | 0.9300 | C30—H30 | 0.9300 |
| C9—C10 | 1.362 (6) | C31—C32 | 1.375 (7) |
| C9—H9 | 0.9300 | C31—H31 | 0.9300 |
| C10—C11 | 1.379 (6) | C32—C33 | 1.386 (6) |
| C10—H10 | 0.9300 | C32—C35 | 1.515 (7) |
| C11—H11 | 0.9300 | C33—C34 | 1.360 (7) |
| C12—C13 | 1.484 (5) | C33—H33 | 0.9300 |
| C13—C18 | 1.383 (5) | C34—H34 | 0.9300 |
| C13—C14 | 1.394 (5) | C35—H35A | 0.9600 |
| C14—C15 | 1.393 (7) | C35—H35B | 0.9600 |
| C14—H14 | 0.9300 | C35—H35C | 0.9600 |
| | | |
| O13—S1—O12 | 120.1 (2) | C20—C19—C25 | 112.9 (3) |
| O13—S1—O11 | 102.92 (17) | N1—C19—H19 | 110.8 |
| O12—S1—O11 | 110.05 (17) | C20—C19—H19 | 110.8 |
| O13—S1—C29 | 109.95 (19) | C25—C19—H19 | 110.8 |
| O12—S1—C29 | 109.84 (19) | C19—C20—C21 | 112.5 (3) |
| O11—S1—C29 | 102.33 (19) | C19—C20—H20A | 109.1 |
| C4—O4—H4 | 109.5 | C21—C20—H20A | 109.1 |
| C5—O5—C2 | 116.8 (2) | C19—C20—H20B | 109.1 |
| C12—O7—C1 | 115.2 (3) | C21—C20—H20B | 109.1 |
| C26—O9—C25 | 115.4 (3) | H20A—C20—H20B | 107.8 |
| C21—O11—S1 | 117.9 (2) | O11—C21—C22 | 107.7 (3) |
| C28—N1—C19 | 113.6 (3) | O11—C21—C20 | 108.2 (3) |
| C28—N1—C23 | 114.4 (3) | C22—C21—C20 | 112.8 (3) |
| C19—N1—C23 | 101.5 (3) | O11—C21—H21 | 109.4 |
| C28—N1—H1A | 107 (2) | C22—C21—H21 | 109.4 |
| C19—N1—H1A | 111 (3) | C20—C21—H21 | 109.4 |
| C23—N1—H1A | 109 (2) | C21—C22—C23 | 114.6 (3) |
| O7—C1—C2 | 107.5 (2) | C21—C22—H22A | 108.6 |
| O7—C1—C4 | 112.1 (3) | C23—C22—H22A | 108.6 |
| C2—C1—C4 | 111.4 (3) | C21—C22—H22B | 108.6 |
| O7—C1—H1 | 108.6 | C23—C22—H22B | 108.6 |
| C2—C1—H1 | 108.6 | H22A—C22—H22B | 107.6 |
| C4—C1—H1 | 108.6 | N1—C23—C24 | 102.3 (3) |
| O5—C2—C1 | 108.3 (2) | N1—C23—C22 | 106.3 (3) |
| O5—C2—C3 | 112.3 (3) | C24—C23—C22 | 114.7 (3) |
| C1—C2—C3 | 110.1 (3) | N1—C23—H23 | 111.0 |
| O5—C2—H2 | 108.7 | C24—C23—H23 | 111.0 |
| C1—C2—H2 | 108.7 | C22—C23—H23 | 111.0 |
| C3—C2—H2 | 108.7 | C23—C24—C25 | 105.2 (3) |
| O1—C3—O2 | 127.0 (3) | C23—C24—H24A | 110.7 |
| O1—C3—C2 | 115.0 (3) | C25—C24—H24A | 110.7 |
| O2—C3—C2 | 118.0 (3) | C23—C24—H24B | 110.7 |
| O3—C4—O4 | 126.8 (3) | C25—C24—H24B | 110.7 |
| O3—C4—C1 | 124.1 (3) | H24A—C24—H24B | 108.8 |
| O4—C4—C1 | 109.0 (3) | O9—C25—C24 | 107.2 (3) |
| O6—C5—O5 | 122.8 (3) | O9—C25—C19 | 110.9 (2) |
| O6—C5—C6 | 126.1 (3) | C24—C25—C19 | 104.6 (3) |
| O5—C5—C6 | 111.1 (3) | O9—C25—H25 | 111.3 |
| C7—C6—C11 | 118.8 (4) | C24—C25—H25 | 111.3 |
| C7—C6—C5 | 123.2 (3) | C19—C25—H25 | 111.3 |
| C11—C6—C5 | 118.0 (4) | O10—C26—O9 | 122.2 (4) |
| C6—C7—C8 | 121.0 (4) | O10—C26—C27 | 125.9 (4) |
| C6—C7—H7 | 119.5 | O9—C26—C27 | 111.9 (4) |
| C8—C7—H7 | 119.5 | C26—C27—H27A | 109.5 |
| C9—C8—C7 | 119.3 (4) | C26—C27—H27B | 109.5 |
| C9—C8—H8 | 120.3 | H27A—C27—H27B | 109.5 |
| C7—C8—H8 | 120.3 | C26—C27—H27C | 109.5 |
| C10—C9—C8 | 120.4 (4) | H27A—C27—H27C | 109.5 |
| C10—C9—H9 | 119.8 | H27B—C27—H27C | 109.5 |
| C8—C9—H9 | 119.8 | N1—C28—H28A | 109.5 |
| C9—C10—C11 | 120.4 (4) | N1—C28—H28B | 109.5 |
| C9—C10—H10 | 119.8 | H28A—C28—H28B | 109.5 |
| C11—C10—H10 | 119.8 | N1—C28—H28C | 109.5 |
| C10—C11—C6 | 120.1 (4) | H28A—C28—H28C | 109.5 |
| C10—C11—H11 | 119.9 | H28B—C28—H28C | 109.5 |
| C6—C11—H11 | 119.9 | C34—C29—C30 | 120.3 (4) |
| O8—C12—O7 | 122.7 (4) | C34—C29—S1 | 120.3 (3) |
| O8—C12—C13 | 125.5 (3) | C30—C29—S1 | 119.4 (4) |
| O7—C12—C13 | 111.6 (3) | C29—C30—C31 | 118.8 (4) |
| C18—C13—C14 | 118.8 (4) | C29—C30—H30 | 120.6 |
| C18—C13—C12 | 122.9 (3) | C31—C30—H30 | 120.6 |
| C14—C13—C12 | 118.0 (4) | C32—C31—C30 | 122.4 (4) |
| C15—C14—C13 | 120.0 (5) | C32—C31—H31 | 118.8 |
| C15—C14—H14 | 120.0 | C30—C31—H31 | 118.8 |
| C13—C14—H14 | 120.0 | C31—C32—C33 | 116.4 (5) |
| C16—C15—C14 | 119.5 (5) | C31—C32—C35 | 120.5 (4) |
| C16—C15—H15 | 120.3 | C33—C32—C35 | 123.1 (5) |
| C14—C15—H15 | 120.3 | C34—C33—C32 | 122.6 (5) |
| C15—C16—C17 | 121.9 (5) | C34—C33—H33 | 118.7 |
| C15—C16—H16 | 119.0 | C32—C33—H33 | 118.7 |
| C17—C16—H16 | 119.0 | C33—C34—C29 | 119.5 (4) |
| C16—C17—C18 | 118.9 (5) | C33—C34—H34 | 120.2 |
| C16—C17—H17 | 120.5 | C29—C34—H34 | 120.2 |
| C18—C17—H17 | 120.5 | C32—C35—H35A | 109.5 |
| C13—C18—C17 | 120.9 (4) | C32—C35—H35B | 109.5 |
| C13—C18—H18 | 119.6 | H35A—C35—H35B | 109.5 |
| C17—C18—H18 | 119.6 | C32—C35—H35C | 109.5 |
| N1—C19—C20 | 107.9 (3) | H35A—C35—H35C | 109.5 |
| N1—C19—C25 | 103.5 (3) | H35B—C35—H35C | 109.5 |
| | | |
| O13—S1—O11—C21 | 172.7 (3) | C28—N1—C19—C20 | −161.2 (3) |
| O12—S1—O11—C21 | 43.5 (3) | C23—N1—C19—C20 | 75.6 (3) |
| C29—S1—O11—C21 | −73.2 (3) | C28—N1—C19—C25 | 79.0 (3) |
| C12—O7—C1—C2 | −159.4 (3) | C23—N1—C19—C25 | −44.2 (3) |
| C12—O7—C1—C4 | 77.9 (3) | N1—C19—C20—C21 | −58.4 (4) |
| C5—O5—C2—C1 | −152.1 (3) | C25—C19—C20—C21 | 55.3 (4) |
| C5—O5—C2—C3 | 86.1 (3) | S1—O11—C21—C22 | 140.3 (3) |
| O7—C1—C2—O5 | −76.2 (3) | S1—O11—C21—C20 | −97.5 (3) |
| C4—C1—C2—O5 | 47.0 (3) | C19—C20—C21—O11 | −81.1 (4) |
| O7—C1—C2—C3 | 47.0 (3) | C19—C20—C21—C22 | 37.9 (4) |
| C4—C1—C2—C3 | 170.1 (3) | O11—C21—C22—C23 | 81.2 (4) |
| O5—C2—C3—O1 | −177.7 (3) | C20—C21—C22—C23 | −38.1 (4) |
| C1—C2—C3—O1 | 61.6 (4) | C28—N1—C23—C24 | −75.5 (4) |
| O5—C2—C3—O2 | 4.5 (4) | C19—N1—C23—C24 | 47.2 (3) |
| C1—C2—C3—O2 | −116.2 (3) | C28—N1—C23—C22 | 163.8 (3) |
| O7—C1—C4—O3 | 8.4 (5) | C19—N1—C23—C22 | −73.5 (3) |
| C2—C1—C4—O3 | −112.1 (4) | C21—C22—C23—N1 | 56.9 (4) |
| O7—C1—C4—O4 | −173.3 (3) | C21—C22—C23—C24 | −55.3 (4) |
| C2—C1—C4—O4 | 66.2 (3) | N1—C23—C24—C25 | −31.6 (3) |
| C2—O5—C5—O6 | −2.3 (5) | C22—C23—C24—C25 | 83.1 (4) |
| C2—O5—C5—C6 | 179.0 (3) | C26—O9—C25—C24 | 164.0 (3) |
| O6—C5—C6—C7 | 167.8 (4) | C26—O9—C25—C19 | −82.3 (4) |
| O5—C5—C6—C7 | −13.5 (5) | C23—C24—C25—O9 | 122.5 (3) |
| O6—C5—C6—C11 | −10.9 (6) | C23—C24—C25—C19 | 4.7 (3) |
| O5—C5—C6—C11 | 167.8 (3) | N1—C19—C25—O9 | −90.9 (3) |
| C11—C6—C7—C8 | 0.8 (6) | C20—C19—C25—O9 | 152.8 (3) |
| C5—C6—C7—C8 | −177.9 (4) | N1—C19—C25—C24 | 24.4 (3) |
| C6—C7—C8—C9 | −1.2 (7) | C20—C19—C25—C24 | −92.0 (3) |
| C7—C8—C9—C10 | 1.2 (8) | C25—O9—C26—O10 | −0.3 (6) |
| C8—C9—C10—C11 | −0.7 (8) | C25—O9—C26—C27 | 179.7 (3) |
| C9—C10—C11—C6 | 0.2 (8) | O13—S1—C29—C34 | 69.6 (4) |
| C7—C6—C11—C10 | −0.3 (7) | O12—S1—C29—C34 | −156.1 (3) |
| C5—C6—C11—C10 | 178.5 (4) | O11—S1—C29—C34 | −39.3 (4) |
| C1—O7—C12—O8 | −9.3 (5) | O13—S1—C29—C30 | −110.6 (3) |
| C1—O7—C12—C13 | 166.2 (3) | O12—S1—C29—C30 | 23.7 (4) |
| O8—C12—C13—C18 | 166.6 (4) | O11—S1—C29—C30 | 140.6 (3) |
| O7—C12—C13—C18 | −8.7 (5) | C34—C29—C30—C31 | 0.0 (6) |
| O8—C12—C13—C14 | −7.5 (5) | S1—C29—C30—C31 | −179.8 (3) |
| O7—C12—C13—C14 | 177.1 (3) | C29—C30—C31—C32 | 0.5 (6) |
| C18—C13—C14—C15 | −2.6 (5) | C30—C31—C32—C33 | −0.1 (7) |
| C12—C13—C14—C15 | 171.8 (4) | C30—C31—C32—C35 | 176.9 (4) |
| C13—C14—C15—C16 | 1.6 (7) | C31—C32—C33—C34 | −0.8 (7) |
| C14—C15—C16—C17 | −0.2 (8) | C35—C32—C33—C34 | −177.7 (5) |
| C15—C16—C17—C18 | −0.3 (7) | C32—C33—C34—C29 | 1.2 (8) |
| C14—C13—C18—C17 | 2.2 (5) | C30—C29—C34—C33 | −0.9 (7) |
| C12—C13—C18—C17 | −171.9 (3) | S1—C29—C34—C33 | 179.0 (4) |
| C16—C17—C18—C13 | −0.8 (6) | | |
Hydrogen-bond geometry (Å, °) top
| D—H···A | D—H | H···A | D···A | D—H···A |
| N1—H1A···O1i | 0.86 (2) | 1.89 (2) | 2.699 (4) | 156 (3) |
| O4—H4···O2i | 0.82 | 1.66 | 2.460 (3) | 164 |
| Symmetry codes: (i) x−1, y, z. |
Table 1
Hydrogen-bond geometry (Å, °) top
| D—H···A | D—H | H···A | D···A | D—H···A |
| N1—H1A···O1i | 0.86 (2) | 1.89 (2) | 2.699 (4) | 156 (3) |
| O4—H4···O2i | 0.82 | 1.66 | 2.460 (3) | 164 |
| Symmetry codes: (i) x−1, y, z. |
This work was supported by Fund of the Science and Technology Commission of
Shanghai Municipality (Key item, grant No. 06DZ19001) and Shanghai Municipal
Education Commission Fund (grant No. 06BZ009). We thank the Shanghai Institute
of Organic Chemistry for the X-ray data collection and analysis.
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6β-Acetoxy-3α-paramethylbenzene sulfonyloxy tropane is a potent muscarinic receptor agonist and has been shown to be a promising candidate as a new antiglaucoma agent. The pharmacology results suggest that the (1R,3S,5R,6S) isomer (lesatropane), the crystal structure has been reported (Yang et al., 2008), displays an improved agonistic activity compared to its racemic counterpart (Zhu et al., 2008). The enantiopure isomer was obtained by the optical resolution of the racemic tropane alkaloids with the chiral acid (Yang & Wang, 1998). We report here the crystal structure of the diastereoisomeric salt, (1R,3S,5R,6S)-6-acetoxy-3-paramethylbenzene sulfonyloxytropane and (-)-O',O'-dibenzyl-L-tartaric acid (1/1), formed during the resolution. The three-dimensional structure of the title compound is shown in Fig.1. X-ray structure analytical data showed that the diastereoisomeric salt is produced by the formation of hydrogen bonds. The nitrogen atom of the tropane alkaloid is protonated to form the cation and the chiral acid is deprotonated to form anion. Each anion interacts with a cation (via N atom) forming N–H···O hydrogen bond, and chiral acid anions are linked by O–H···O hydrogen bond with each other (Fig. 2).