organic compounds
3,6,14,17-Tetramethoxy-22,23-diphenyl-1,10,12,21-tetraazahexacyclo[19.2.1.02,7.010,23.012,22.013,18]tetracosa-2(7),3,5,13(18),14,16-hexaene-11,24-dithione
aKey Laboratory of Pesticides and Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, People's Republic of China
*Correspondence e-mail: yanyang20100203@gmail.com
The title compound, C36H34N4O4S2, is a thioglycoluril derivative, which bears two phenyl substituents on its convex face and two methoxy substituted o-xylylenes as sidewalls of the molecular clip. There is one half-molecule in the a crystallographic twofold axis generates the complete molecule. The non-planar seven-membered rings adopt chair conformations, while the two five-membered rings exhibit envelope conformations and make a dihedral angle of 68.46 (12)°. The O atoms of the methoxy groups are coplanar with the six-membered o-xylylene sidewalls.
Related literature
For related structures, see: Broan et al. (1989); Cao et al. (2009); Wang et al. (2006); Wang & Xi (2009); Wu & Sun, (2009). For further synthetic details, see: Broan et al. (1989); Wu et al. (2002). The rigid concave shape of glycoluril makes it a versatile building block in supramolecular chemistry, see: Gao et al. (2009); Rowan et al. (1999); Hof et al. (2002); Kolbel & Menger (2001); Wu et al. (2002); Kang et al. (2004).
Experimental
Crystal data
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Data collection: SMART (Bruker, 2001); cell SAINT-Plus (Bruker, 2001); data reduction: SAINT-Plus; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: PLATON.
Supporting information
10.1107/S160053681002204X/fl2304sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S160053681002204X/fl2304Isup2.hkl
The thioglycoluril was synthesized according to a literature procedure, see : Broan et al., (1989). Preparation of the title compound: A solution of thioglycoluril (326 mg, 1.00 mmol), paraformaldehyde (120 mg, 4.00 mmol) and 1,4-dimethoxybenzene (304 mg, 2.20 mmol) in TFA (5 ml) was stirred and heated at reflux for 6 h. After rotary evaporation the residue was chromatographed to yield the tile compound (521 mg, 0.80 mmol,80%). Crystals of (I) suitable for X-ray diffraction were grown by slow evaporation of a dichloromethane-methanol (1:2) solution of the title compound under 293 K.
All H atoms were positioned in geometrically idealized positions and constrained to ride on their parent atoms, with C—H distances in the range 0.93-0.98 Å and Uĩso~(H) = 1.2U~eq~(C) or Uĩso~(H) = 1.5U~eq~(C).
Data collection: SMART (Bruker, 2001); cell
SAINT-Plus (Bruker, 2001); data reduction: SAINT-Plus (Bruker, 2001); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: PLATON (Spek, 2009).C36H34N4O4S2 | F(000) = 1368 |
Mr = 650.79 | Dx = 1.327 Mg m−3 |
Monoclinic, C2/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -C 2yc | Cell parameters from 2697 reflections |
a = 17.9993 (15) Å | θ = 2.5–21.3° |
b = 12.5069 (11) Å | µ = 0.21 mm−1 |
c = 16.0934 (12) Å | T = 298 K |
β = 115.961 (3)° | Block, colorless |
V = 3257.3 (5) Å3 | 0.23 × 0.20 × 0.10 mm |
Z = 4 |
Bruker SMART CCD area-detector diffractometer | 2279 reflections with I > 2σ(I) |
Radiation source: fine-focus sealed tube | Rint = 0.067 |
Graphite monochromator | θmax = 27.0°, θmin = 2.1° |
phi and ω scans | h = −22→13 |
13570 measured reflections | k = −15→15 |
3546 independent reflections | l = −19→20 |
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)] = 0.056 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.162 | H-atom parameters constrained |
S = 0.98 | w = 1/[σ2(Fo2) + (0.0878P)2] where P = (Fo2 + 2Fc2)/3 |
3546 reflections | (Δ/σ)max = 0.001 |
210 parameters | Δρmax = 0.29 e Å−3 |
0 restraints | Δρmin = −0.24 e Å−3 |
C36H34N4O4S2 | V = 3257.3 (5) Å3 |
Mr = 650.79 | Z = 4 |
Monoclinic, C2/c | Mo Kα radiation |
a = 17.9993 (15) Å | µ = 0.21 mm−1 |
b = 12.5069 (11) Å | T = 298 K |
c = 16.0934 (12) Å | 0.23 × 0.20 × 0.10 mm |
β = 115.961 (3)° |
Bruker SMART CCD area-detector diffractometer | 2279 reflections with I > 2σ(I) |
13570 measured reflections | Rint = 0.067 |
3546 independent reflections |
R[F2 > 2σ(F2)] = 0.056 | 0 restraints |
wR(F2) = 0.162 | H-atom parameters constrained |
S = 0.98 | Δρmax = 0.29 e Å−3 |
3546 reflections | Δρmin = −0.24 e Å−3 |
210 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 > 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 | ||
S1 | 0.11451 (4) | 0.22118 (5) | 0.14339 (5) | 0.0528 (3) | |
N1 | 0.09215 (11) | 0.31734 (13) | 0.27979 (13) | 0.0335 (5) | |
N2 | −0.00738 (11) | 0.34780 (13) | 0.14082 (13) | 0.0325 (4) | |
C13 | 0.07957 (13) | 0.50126 (16) | 0.32973 (15) | 0.0343 (5) | |
C9 | 0.16813 (14) | 0.27755 (17) | 0.35521 (17) | 0.0388 (6) | |
H9A | 0.1970 | 0.3371 | 0.3949 | 0.047* | |
H9B | 0.2036 | 0.2489 | 0.3294 | 0.047* | |
C12 | 0.03855 (13) | 0.39284 (16) | 0.29759 (15) | 0.0306 (5) | |
C10 | 0.06573 (14) | 0.29489 (16) | 0.18917 (16) | 0.0326 (5) | |
O2 | 0.06197 (14) | 0.16264 (16) | 0.57355 (15) | 0.0713 (6) | |
O1 | 0.24132 (13) | 0.08009 (14) | 0.37734 (15) | 0.0683 (6) | |
C1 | 0.15415 (14) | 0.19204 (17) | 0.41322 (17) | 0.0393 (6) | |
C2 | 0.10798 (15) | 0.21274 (17) | 0.46227 (17) | 0.0406 (6) | |
C6 | 0.19350 (16) | 0.09225 (18) | 0.42349 (19) | 0.0477 (7) | |
C18 | 0.13789 (15) | 0.53676 (19) | 0.30210 (19) | 0.0497 (7) | |
H18 | 0.1560 | 0.4916 | 0.2688 | 0.060* | |
C11 | −0.06462 (15) | 0.31850 (18) | 0.04628 (16) | 0.0392 (6) | |
H11A | −0.0343 | 0.3157 | 0.0092 | 0.047* | |
H11B | −0.1060 | 0.3742 | 0.0209 | 0.047* | |
C3 | 0.10368 (17) | 0.1344 (2) | 0.52320 (19) | 0.0512 (7) | |
C14 | 0.05429 (16) | 0.56979 (18) | 0.37978 (18) | 0.0463 (7) | |
H14 | 0.0150 | 0.5469 | 0.3988 | 0.056* | |
C4 | 0.14195 (17) | 0.0364 (2) | 0.5309 (2) | 0.0578 (8) | |
H4 | 0.1379 | −0.0156 | 0.5701 | 0.069* | |
C17 | 0.16966 (18) | 0.6394 (2) | 0.3237 (2) | 0.0655 (9) | |
H17 | 0.2086 | 0.6631 | 0.3045 | 0.079* | |
C5 | 0.18588 (18) | 0.0156 (2) | 0.4811 (2) | 0.0564 (8) | |
H5 | 0.2108 | −0.0508 | 0.4863 | 0.068* | |
C15 | 0.0865 (2) | 0.6717 (2) | 0.4019 (2) | 0.0638 (9) | |
H15 | 0.0693 | 0.7170 | 0.4360 | 0.077* | |
C16 | 0.1438 (2) | 0.7055 (2) | 0.3733 (2) | 0.0731 (10) | |
H16 | 0.1654 | 0.7742 | 0.3878 | 0.088* | |
C7 | 0.2729 (2) | −0.0224 (2) | 0.3750 (3) | 0.0859 (11) | |
H7A | 0.2924 | −0.0550 | 0.4348 | 0.129* | |
H7B | 0.3178 | −0.0162 | 0.3583 | 0.129* | |
H7C | 0.2301 | −0.0658 | 0.3302 | 0.129* | |
C8 | 0.0599 (2) | 0.0907 (3) | 0.6401 (2) | 0.0865 (11) | |
H8A | 0.0241 | 0.0319 | 0.6094 | 0.130* | |
H8B | 0.0396 | 0.1269 | 0.6787 | 0.130* | |
H8C | 0.1146 | 0.0643 | 0.6775 | 0.130* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0520 (5) | 0.0520 (4) | 0.0612 (5) | 0.0130 (3) | 0.0311 (4) | −0.0081 (3) |
N1 | 0.0300 (11) | 0.0293 (9) | 0.0435 (12) | 0.0043 (7) | 0.0181 (9) | 0.0014 (8) |
N2 | 0.0341 (11) | 0.0273 (9) | 0.0390 (11) | 0.0020 (8) | 0.0189 (9) | −0.0016 (8) |
C13 | 0.0316 (13) | 0.0300 (11) | 0.0397 (13) | −0.0029 (9) | 0.0141 (10) | 0.0006 (9) |
C9 | 0.0268 (13) | 0.0385 (13) | 0.0466 (14) | 0.0035 (10) | 0.0118 (11) | 0.0042 (10) |
C12 | 0.0317 (12) | 0.0264 (10) | 0.0391 (12) | 0.0013 (9) | 0.0205 (10) | 0.0006 (9) |
C10 | 0.0327 (13) | 0.0270 (11) | 0.0395 (14) | −0.0012 (9) | 0.0170 (11) | 0.0011 (9) |
O2 | 0.0922 (16) | 0.0662 (13) | 0.0746 (14) | 0.0174 (11) | 0.0543 (13) | 0.0311 (11) |
O1 | 0.0756 (15) | 0.0481 (11) | 0.0968 (17) | 0.0248 (10) | 0.0521 (13) | 0.0162 (10) |
C1 | 0.0328 (14) | 0.0343 (12) | 0.0433 (14) | 0.0000 (10) | 0.0097 (11) | 0.0030 (10) |
C2 | 0.0390 (14) | 0.0331 (12) | 0.0430 (14) | −0.0015 (10) | 0.0118 (12) | 0.0037 (10) |
C6 | 0.0452 (16) | 0.0364 (13) | 0.0582 (17) | 0.0053 (11) | 0.0197 (13) | 0.0014 (11) |
C18 | 0.0428 (16) | 0.0428 (14) | 0.0692 (19) | −0.0048 (11) | 0.0300 (14) | 0.0017 (12) |
C11 | 0.0397 (14) | 0.0408 (13) | 0.0357 (13) | 0.0020 (10) | 0.0153 (11) | −0.0017 (10) |
C3 | 0.0549 (18) | 0.0474 (15) | 0.0536 (17) | −0.0009 (13) | 0.0259 (14) | 0.0083 (12) |
C14 | 0.0582 (17) | 0.0334 (13) | 0.0518 (16) | −0.0035 (11) | 0.0284 (14) | −0.0037 (11) |
C4 | 0.063 (2) | 0.0437 (15) | 0.0596 (18) | 0.0013 (13) | 0.0207 (16) | 0.0190 (13) |
C17 | 0.0486 (18) | 0.0531 (17) | 0.091 (2) | −0.0183 (14) | 0.0267 (17) | 0.0117 (16) |
C5 | 0.065 (2) | 0.0345 (14) | 0.0639 (19) | 0.0073 (12) | 0.0226 (16) | 0.0073 (13) |
C15 | 0.090 (2) | 0.0359 (14) | 0.0624 (19) | −0.0065 (15) | 0.0304 (17) | −0.0115 (13) |
C16 | 0.084 (3) | 0.0387 (16) | 0.080 (2) | −0.0232 (16) | 0.021 (2) | −0.0042 (15) |
C7 | 0.112 (3) | 0.055 (2) | 0.113 (3) | 0.0199 (19) | 0.070 (3) | −0.0035 (18) |
C8 | 0.099 (3) | 0.095 (3) | 0.076 (2) | 0.009 (2) | 0.048 (2) | 0.036 (2) |
S1—C10 | 1.652 (2) | C6—C5 | 1.381 (4) |
N1—C10 | 1.351 (3) | C18—C17 | 1.386 (4) |
N1—C9 | 1.462 (3) | C18—H18 | 0.9300 |
N1—C12 | 1.465 (3) | C11—C2i | 1.511 (3) |
N2—C10 | 1.371 (3) | C11—H11A | 0.9700 |
N2—C12i | 1.450 (3) | C11—H11B | 0.9700 |
N2—C11 | 1.462 (3) | C3—C4 | 1.384 (4) |
C13—C18 | 1.381 (3) | C14—C15 | 1.381 (3) |
C13—C14 | 1.382 (3) | C14—H14 | 0.9300 |
C13—C12 | 1.522 (3) | C4—C5 | 1.375 (4) |
C9—C1 | 1.511 (3) | C4—H4 | 0.9300 |
C9—H9A | 0.9700 | C17—C16 | 1.364 (4) |
C9—H9B | 0.9700 | C17—H17 | 0.9300 |
C12—N2i | 1.450 (3) | C5—H5 | 0.9300 |
C12—C12i | 1.553 (4) | C15—C16 | 1.369 (4) |
O2—C3 | 1.370 (3) | C15—H15 | 0.9300 |
O2—C8 | 1.412 (3) | C16—H16 | 0.9300 |
O1—C6 | 1.369 (3) | C7—H7A | 0.9600 |
O1—C7 | 1.410 (3) | C7—H7B | 0.9600 |
C1—C2 | 1.398 (3) | C7—H7C | 0.9600 |
C1—C6 | 1.409 (3) | C8—H8A | 0.9600 |
C2—C3 | 1.412 (3) | C8—H8B | 0.9600 |
C2—C11i | 1.511 (3) | C8—H8C | 0.9600 |
C10—N1—C9 | 125.79 (19) | N2—C11—H11A | 108.6 |
C10—N1—C12 | 113.23 (17) | C2i—C11—H11A | 108.6 |
C9—N1—C12 | 120.91 (18) | N2—C11—H11B | 108.6 |
C10—N2—C12i | 111.24 (18) | C2i—C11—H11B | 108.6 |
C10—N2—C11 | 122.26 (18) | H11A—C11—H11B | 107.6 |
C12i—N2—C11 | 120.09 (18) | O2—C3—C4 | 123.7 (2) |
C18—C13—C14 | 118.6 (2) | O2—C3—C2 | 116.3 (2) |
C18—C13—C12 | 120.1 (2) | C4—C3—C2 | 120.0 (3) |
C14—C13—C12 | 121.1 (2) | C15—C14—C13 | 121.0 (3) |
N1—C9—C1 | 113.92 (19) | C15—C14—H14 | 119.5 |
N1—C9—H9A | 108.8 | C13—C14—H14 | 119.5 |
C1—C9—H9A | 108.8 | C5—C4—C3 | 120.4 (2) |
N1—C9—H9B | 108.8 | C5—C4—H4 | 119.8 |
C1—C9—H9B | 108.8 | C3—C4—H4 | 119.8 |
H9A—C9—H9B | 107.7 | C16—C17—C18 | 120.0 (3) |
N2i—C12—N1 | 111.61 (16) | C16—C17—H17 | 120.0 |
N2i—C12—C13 | 112.90 (18) | C18—C17—H17 | 120.0 |
N1—C12—C13 | 112.20 (18) | C4—C5—C6 | 120.8 (2) |
N2i—C12—C12i | 103.2 (2) | C4—C5—H5 | 119.6 |
N1—C12—C12i | 100.82 (17) | C6—C5—H5 | 119.6 |
C13—C12—C12i | 115.23 (12) | C16—C15—C14 | 119.4 (3) |
N1—C10—N2 | 108.02 (18) | C16—C15—H15 | 120.3 |
N1—C10—S1 | 126.35 (17) | C14—C15—H15 | 120.3 |
N2—C10—S1 | 125.57 (17) | C17—C16—C15 | 120.7 (3) |
C3—O2—C8 | 119.2 (2) | C17—C16—H16 | 119.7 |
C6—O1—C7 | 118.2 (2) | C15—C16—H16 | 119.7 |
C2—C1—C6 | 119.4 (2) | O1—C7—H7A | 109.5 |
C2—C1—C9 | 121.2 (2) | O1—C7—H7B | 109.5 |
C6—C1—C9 | 119.2 (2) | H7A—C7—H7B | 109.5 |
C1—C2—C3 | 119.4 (2) | O1—C7—H7C | 109.5 |
C1—C2—C11i | 121.4 (2) | H7A—C7—H7C | 109.5 |
C3—C2—C11i | 119.2 (2) | H7B—C7—H7C | 109.5 |
O1—C6—C5 | 123.9 (2) | O2—C8—H8A | 109.5 |
O1—C6—C1 | 116.0 (2) | O2—C8—H8B | 109.5 |
C5—C6—C1 | 120.0 (3) | H8A—C8—H8B | 109.5 |
C13—C18—C17 | 120.3 (3) | O2—C8—H8C | 109.5 |
C13—C18—H18 | 119.8 | H8A—C8—H8C | 109.5 |
C17—C18—H18 | 119.8 | H8B—C8—H8C | 109.5 |
N2—C11—C2i | 114.50 (19) | ||
C10—N1—C9—C1 | −106.3 (3) | C7—O1—C6—C5 | 11.7 (4) |
C12—N1—C9—C1 | 77.1 (3) | C7—O1—C6—C1 | −171.6 (3) |
C10—N1—C12—N2i | 122.1 (2) | C2—C1—C6—O1 | −176.5 (2) |
C9—N1—C12—N2i | −60.9 (2) | C9—C1—C6—O1 | −1.2 (3) |
C10—N1—C12—C13 | −110.1 (2) | C2—C1—C6—C5 | 0.4 (4) |
C9—N1—C12—C13 | 66.9 (2) | C9—C1—C6—C5 | 175.7 (2) |
C10—N1—C12—C12i | 13.1 (2) | C14—C13—C18—C17 | −0.5 (4) |
C9—N1—C12—C12i | −169.92 (18) | C12—C13—C18—C17 | 173.8 (2) |
C18—C13—C12—N2i | 155.7 (2) | C10—N2—C11—C2i | 70.0 (3) |
C14—C13—C12—N2i | −30.1 (3) | C12i—N2—C11—C2i | −79.4 (2) |
C18—C13—C12—N1 | 28.6 (3) | C8—O2—C3—C4 | 2.6 (4) |
C14—C13—C12—N1 | −157.3 (2) | C8—O2—C3—C2 | −175.9 (3) |
C18—C13—C12—C12i | −86.0 (3) | C1—C2—C3—O2 | 175.8 (2) |
C14—C13—C12—C12i | 88.1 (3) | C11i—C2—C3—O2 | −2.3 (4) |
C9—N1—C10—N2 | −179.57 (19) | C1—C2—C3—C4 | −2.8 (4) |
C12—N1—C10—N2 | −2.7 (2) | C11i—C2—C3—C4 | 179.0 (2) |
C9—N1—C10—S1 | −2.1 (3) | C18—C13—C14—C15 | 0.0 (4) |
C12—N1—C10—S1 | 174.75 (16) | C12—C13—C14—C15 | −174.3 (2) |
C12i—N2—C10—N1 | −10.2 (2) | O2—C3—C4—C5 | −177.0 (3) |
C11—N2—C10—N1 | −162.05 (19) | C2—C3—C4—C5 | 1.5 (4) |
C12i—N2—C10—S1 | 172.29 (15) | C13—C18—C17—C16 | 0.6 (4) |
C11—N2—C10—S1 | 20.5 (3) | C3—C4—C5—C6 | 0.8 (4) |
N1—C9—C1—C2 | −61.3 (3) | O1—C6—C5—C4 | 174.9 (2) |
N1—C9—C1—C6 | 123.5 (2) | C1—C6—C5—C4 | −1.8 (4) |
C6—C1—C2—C3 | 1.8 (4) | C13—C14—C15—C16 | 0.5 (4) |
C9—C1—C2—C3 | −173.4 (2) | C18—C17—C16—C15 | −0.2 (5) |
C6—C1—C2—C11i | 180.0 (2) | C14—C15—C16—C17 | −0.4 (5) |
C9—C1—C2—C11i | 4.8 (3) |
Symmetry code: (i) −x, y, −z+1/2. |
Cg1 is the centroid of the C1–C6 ring. |
D—H···A | D—H | H···A | D···A | D—H···A |
C9—H9A···Cg1i | 0.97 | 2.70 | 3.540 | 145 |
C11—H11A···O2i | 0.97 | 2.26 | 2.757 (3) | 111 |
C14—H14···N2i | 0.93 | 2.56 | 2.879 (3) | 101 |
C18—H18···N1 | 0.93 | 2.51 | 2.842 (3) | 102 |
C9—H9B···S1 | 0.97 | 2.73 | 3.189 (3) | 110 |
C9—H9B···O1 | 0.97 | 2.25 | 2.748 (3) | 111 |
Symmetry code: (i) −x, y, −z+1/2. |
Experimental details
Crystal data | |
Chemical formula | C36H34N4O4S2 |
Mr | 650.79 |
Crystal system, space group | Monoclinic, C2/c |
Temperature (K) | 298 |
a, b, c (Å) | 17.9993 (15), 12.5069 (11), 16.0934 (12) |
β (°) | 115.961 (3) |
V (Å3) | 3257.3 (5) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.21 |
Crystal size (mm) | 0.23 × 0.20 × 0.10 |
Data collection | |
Diffractometer | Bruker SMART CCD area-detector diffractometer |
Absorption correction | – |
No. of measured, independent and observed [I > 2σ(I)] reflections | 13570, 3546, 2279 |
Rint | 0.067 |
(sin θ/λ)max (Å−1) | 0.639 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.056, 0.162, 0.98 |
No. of reflections | 3546 |
No. of parameters | 210 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.29, −0.24 |
Computer programs: SMART (Bruker, 2001), SAINT-Plus (Bruker, 2001), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), PLATON (Spek, 2009).
Cg1 is the centroid of the C1–C6 ring. |
D—H···A | D—H | H···A | D···A | D—H···A |
C9—H9A···Cg1i | 0.971 | 2.702 | 3.540 | 144.73 |
C11—H11A···O2i | 0.97 | 2.26 | 2.757 (3) | 111 |
C14—H14···N2i | 0.93 | 2.56 | 2.879 (3) | 101 |
C18—H18···N1 | 0.93 | 2.51 | 2.842 (3) | 102 |
C9—H9B···S1 | 0.97 | 2.73 | 3.189 (3) | 110 |
C9—H9B···O1 | 0.97 | 2.25 | 2.748 (3) | 111 |
Symmetry code: (i) −x, y, −z+1/2. |
Acknowledgements
The author thanks Professor An-Xin Wu for technical assistance and Dr Meng Xiang-Gao for the data collection.
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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.
The rigid concave shape of glycoluril makes it a versatile building block to construct various supramolecular objects (Gao et al., 2009), including molecular clips and molecular baskets (Rowan et al., 1999), molecular capsules (Hof et al., 2002), xerogels (Kolbel & Menger, 2001), the cucurbit[n]uril family (Wu et al., 2002), and anion-binding receptors (Kang et al., 2004). Based on the previous studies (Broan et al., 1989; Cao et al., 2009; Wang et al., 2006; Wang & Xi, 2009; Wu & Sun, 2009), we report here the structure of the title thioglycoluril derivative (Fig. 1), which is a potential receptor in supramolecular chemistry.
There is one half-molecule in the asymmetric unit. The non-planar seven-membered rings adopt chair conformations, while the two five-membered rings have envelope conformation and the dihedral angle between them is 68.46°. The methoxy groups on sidewalls are coplanar with the six-membered o-xylylene sidewalls. The molecule contains three nonclassical intramolecular C—H···S, C—H···O and C—H···N hydrogen bonds, and its crystal structure is stabilized mostly by intermolecular C—H···π interactions (Table 1).