organic compounds
3-(1-Adamantyl)-4-amino-1-(2-benzoyl-1-phenylethyl)-1H-1,2,4-triazol-5(4H)-thione
aDepartment of Chemistry, College of Sciences, King Saud University, Riyadh, Saudi Arabia, bDepartment of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia, and cX-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
*Correspondence e-mail: hkfun@usm.my
In the title compound, C27H30N4OS, the 3-(adamantan-1-yl)-4-amino-1H-1,2,4-triazole-5(4H)-thione unit and the O atom are each disordered over two sets of sites with refined site-occupancies of 0.7630 (13) and 0.2370 (13). The 1,2,4-triazole ring of the major component forms dihedral angles of 62.61 (17) and 61.93 (16)° with the benzene rings, while that of the minor component makes corresponding angles of 86.3 (4) and 79.1 (4)°. The dihedral angle between the benzene rings is 39.21 (16)°. The molecular structure is stabilized by an intramolecular C—H⋯N hydrogen bond, which generates an S(6) ring motif. In the crystal, molecules are linked into inversion dimers by pairs of N—H⋯S hydrogen bonds.
Related literature
For the biological activity of adamantane derivatives, see: Vernier et al. (1969); Kadi et al. (2007, 2010); Al-Abdullah et al. (2007); El-Emam et al. (2004). For related adamantyl-1,2,4-triazole structures, see: Al-Abdullah et al. (2012); Almutairi et al. (2012); Al-Tamimi et al. (2010). For related amino-1,2,4-triazole structures, see: Song et al. (2011); Gao et al. (2011); Wang et al. (2011). For standard bond-length data, see: Allen et al. (1987). For hydrogen-bond motifs, see: Bernstein et al. (1995).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2009); cell SAINT (Bruker, 2009); 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/S1600536812015929/is5114sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536812015929/is5114Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536812015929/is5114Isup3.cml
A mixture of 3-(1-adamantyl)-4-amino-4H-1,2,4-triazole-5-thiol (2.5 g, 0.01 mol) and (E)-1-(4-phenyl)-3-phenylprop-2-en-1-one (2.08 g, 0.01 mol), in ethanol (15 ml), was heated under reflux for 10 h and the solvent was then distilled off in vacuo. The resulted residue was eluted from silica gel column using hexane:ethyl acetate (4:1) to yield 1.01 g (22%) of the title compound (I) as pale yellow powder. M.p. 191-193°C. Crystals of (I) suitable for single crystal X-ray analysis were grown by slow evaporation of a solution in chloroform-ethanol (1:1) at room temperature. 1H NMR (CDCl3, 500.13 MHz): δ 1.66 (s, 6H, Adamantane-H), 1.95 (s, 9H, Adamantane-H), 3.45-3.49 (m, 1Ha, CH2CO), 4.23-4.29 (m, 1Hb, CH2CO), 4.51 (s, 2H, NH2), 6.48-6.51 (m, 1H, CH), 7.18-7.27 (m, 3H, Ar-H), 7.36-7.48 (m, 5H, Ar-H), 7.88-7.90 (m, 2H, Ar-H). 13C NMR (CDCl3, 125.76 MHz): δ 27.84, 35.0, 36.42, 38.41 (Adamantane-C), 42.75 (CH), 58.09 (CH2), 127.54, 128.14, 128.24, 128.60, 128.71, 133.30, 136.66, 138.71 (Ar-C), 156.25 (Triazole C-3), 167.55 (C=S), 196.09 (C=O).
The 3-(adamantan-1-yl)-4-amino-1H-1,2,4-triazole-5(4H)-thione moiety and the oxygen atom are disordered over two positions with refined site-occupancies of 0.763 (1) : 0.237 (1). All minor disordered components were refined isotropically. All hydrogen atoms were positioned geometrically (N—H = 0.8979 Å and C—H = 0.93–0.98 Å) and were refined using a riding model, with Uiso(H) = 1.2 Ueq(N,C). The adamantyl (C3–C12) moiety was subjected to similarity restraints.
Data collection: APEX2 (Bruker, 2009); cell
SAINT (Bruker, 2009); data reduction: SAINT (Bruker, 2009); 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).C27H30N4OS | F(000) = 976 |
Mr = 458.61 | Dx = 1.249 Mg m−3 |
Monoclinic, P21/c | Cu Kα radiation, λ = 1.54178 Å |
Hall symbol: -P 2ybc | Cell parameters from 3061 reflections |
a = 11.9409 (3) Å | θ = 3.8–67.9° |
b = 9.5478 (3) Å | µ = 1.38 mm−1 |
c = 22.0034 (6) Å | T = 296 K |
β = 103.610 (2)° | Plate, colourless |
V = 2438.15 (12) Å3 | 0.98 × 0.66 × 0.33 mm |
Z = 4 |
Bruker SMART APEXII CCD area-detector diffractometer | 4512 independent reflections |
Radiation source: fine-focus sealed tube | 3341 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.041 |
ϕ and ω scans | θmax = 69.6°, θmin = 3.8° |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | h = −14→13 |
Tmin = 0.345, Tmax = 0.662 | k = −11→11 |
18569 measured reflections | l = −26→26 |
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)] = 0.057 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.140 | H-atom parameters constrained |
S = 1.04 | w = 1/[σ2(Fo2) + (0.0357P)2 + 1.3343P] where P = (Fo2 + 2Fc2)/3 |
4512 reflections | (Δ/σ)max = 0.001 |
371 parameters | Δρmax = 0.17 e Å−3 |
30 restraints | Δρmin = −0.18 e Å−3 |
C27H30N4OS | V = 2438.15 (12) Å3 |
Mr = 458.61 | Z = 4 |
Monoclinic, P21/c | Cu Kα radiation |
a = 11.9409 (3) Å | µ = 1.38 mm−1 |
b = 9.5478 (3) Å | T = 296 K |
c = 22.0034 (6) Å | 0.98 × 0.66 × 0.33 mm |
β = 103.610 (2)° |
Bruker SMART APEXII CCD area-detector diffractometer | 4512 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | 3341 reflections with I > 2σ(I) |
Tmin = 0.345, Tmax = 0.662 | Rint = 0.041 |
18569 measured reflections |
R[F2 > 2σ(F2)] = 0.057 | 30 restraints |
wR(F2) = 0.140 | H-atom parameters constrained |
S = 1.04 | Δρmax = 0.17 e Å−3 |
4512 reflections | Δρmin = −0.18 e Å−3 |
371 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 | Occ. (<1) | |
S1 | 0.52127 (8) | 0.89181 (9) | −0.08864 (4) | 0.0666 (3) | 0.7630 (13) |
O1 | 0.5192 (2) | 0.6892 (3) | 0.05575 (12) | 0.0788 (7) | 0.7630 (13) |
N1 | 0.7014 (2) | 0.7645 (2) | −0.00707 (12) | 0.0514 (6) | 0.7630 (13) |
N2 | 0.7971 (2) | 0.7977 (2) | 0.03974 (12) | 0.0524 (6) | 0.7630 (13) |
N3 | 0.7028 (2) | 0.9862 (2) | 0.00087 (11) | 0.0506 (6) | 0.7630 (13) |
N4 | 0.6719 (2) | 1.1284 (2) | −0.00704 (13) | 0.0632 (7) | 0.7630 (13) |
H1N4 | 0.6119 | 1.1217 | 0.0110 | 0.076* | 0.7630 (13) |
H2N4 | 0.6665 | 1.1741 | −0.0433 | 0.076* | 0.7630 (13) |
C1 | 0.6410 (3) | 0.8782 (3) | −0.03184 (14) | 0.0517 (7) | 0.7630 (13) |
C2 | 0.7961 (2) | 0.9338 (3) | 0.04378 (14) | 0.0485 (7) | 0.7630 (13) |
C3 | 0.8827 (3) | 1.0177 (3) | 0.08935 (15) | 0.0498 (7) | 0.7630 (13) |
C4 | 0.9397 (3) | 1.1307 (3) | 0.05715 (15) | 0.0600 (8) | 0.7630 (13) |
H4A | 0.9763 | 1.0871 | 0.0270 | 0.072* | 0.7630 (13) |
H4B | 0.8813 | 1.1948 | 0.0348 | 0.072* | 0.7630 (13) |
C5 | 1.0292 (4) | 1.2118 (4) | 0.1049 (2) | 0.0706 (11) | 0.7630 (13) |
H5A | 1.0648 | 1.2828 | 0.0834 | 0.085* | 0.7630 (13) |
C6 | 0.9684 (9) | 1.2830 (7) | 0.1497 (5) | 0.089 (4) | 0.7630 (13) |
H6A | 0.9094 | 1.3453 | 0.1266 | 0.107* | 0.7630 (13) |
H6B | 1.0234 | 1.3387 | 0.1795 | 0.107* | 0.7630 (13) |
C7 | 0.9138 (4) | 1.1753 (4) | 0.18449 (18) | 0.0736 (10) | 0.7630 (13) |
H7A | 0.8757 | 1.2225 | 0.2137 | 0.088* | 0.7630 (13) |
C8 | 0.8246 (3) | 1.0891 (4) | 0.13665 (16) | 0.0619 (8) | 0.7630 (13) |
H8A | 0.7905 | 1.0185 | 0.1584 | 0.074* | 0.7630 (13) |
H8B | 0.7635 | 1.1503 | 0.1147 | 0.074* | 0.7630 (13) |
C9 | 1.0063 (5) | 1.0770 (5) | 0.22011 (19) | 0.0914 (13) | 0.7630 (13) |
H9A | 0.9717 | 1.0077 | 0.2423 | 0.110* | 0.7630 (13) |
H9B | 1.0625 | 1.1296 | 0.2506 | 0.110* | 0.7630 (13) |
C10 | 0.9749 (5) | 0.9195 (4) | 0.1271 (4) | 0.0670 (19) | 0.7630 (13) |
H10A | 1.0118 | 0.8690 | 0.0989 | 0.080* | 0.7630 (13) |
H10B | 0.9389 | 0.8516 | 0.1492 | 0.080* | 0.7630 (13) |
C11 | 1.0660 (5) | 1.0035 (5) | 0.1744 (4) | 0.0763 (16) | 0.7630 (13) |
H11A | 1.1256 | 0.9399 | 0.1973 | 0.092* | 0.7630 (13) |
C12 | 1.1208 (3) | 1.1131 (5) | 0.1397 (2) | 0.0857 (12) | 0.7630 (13) |
H12A | 1.1788 | 1.1653 | 0.1693 | 0.103* | 0.7630 (13) |
H12B | 1.1581 | 1.0670 | 0.1104 | 0.103* | 0.7630 (13) |
S1A | 0.4172 (2) | 0.8775 (3) | 0.06445 (13) | 0.0634 (8)* | 0.2370 (13) |
O1A | 0.5678 (6) | 0.6617 (8) | −0.0404 (3) | 0.0661 (19)* | 0.2370 (13) |
N1A | 0.6323 (6) | 0.7602 (8) | 0.0891 (4) | 0.0496 (18)* | 0.2370 (13) |
N2A | 0.7482 (6) | 0.7939 (8) | 0.1048 (4) | 0.0496 (18)* | 0.2370 (13) |
N3A | 0.6374 (6) | 0.9813 (8) | 0.0936 (3) | 0.0494 (18)* | 0.2370 (13) |
N4A | 0.6033 (7) | 1.1229 (8) | 0.0904 (4) | 0.058 (2)* | 0.2370 (13) |
H3N4 | 0.5613 | 1.1566 | 0.0540 | 0.069* | 0.2370 (13) |
H4N4 | 0.5394 | 1.1375 | 0.1043 | 0.069* | 0.2370 (13) |
C1A | 0.5601 (8) | 0.8693 (10) | 0.0806 (4) | 0.050 (2)* | 0.2370 (13) |
C2A | 0.7469 (8) | 0.9328 (9) | 0.1069 (4) | 0.049 (2)* | 0.2370 (13) |
C3A | 0.8582 (8) | 1.0163 (10) | 0.1242 (5) | 0.046 (2)* | 0.2370 (13) |
C4A | 0.8573 (9) | 1.0991 (12) | 0.1852 (5) | 0.060 (3)* | 0.2370 (13) |
H4AA | 0.7929 | 1.1638 | 0.1778 | 0.072* | 0.2370 (13) |
H4AB | 0.8492 | 1.0347 | 0.2180 | 0.072* | 0.2370 (13) |
C5A | 0.9693 (11) | 1.1783 (15) | 0.2048 (7) | 0.071 (4)* | 0.2370 (13) |
H5AA | 0.9696 | 1.2288 | 0.2436 | 0.086* | 0.2370 (13) |
C6A | 0.9765 (19) | 1.2860 (16) | 0.1539 (10) | 0.048 (6)* | 0.2370 (13) |
H6AA | 0.9095 | 1.3466 | 0.1462 | 0.058* | 0.2370 (13) |
H6AB | 1.0447 | 1.3436 | 0.1675 | 0.058* | 0.2370 (13) |
C7A | 0.9818 (10) | 1.2081 (15) | 0.0943 (7) | 0.061 (4)* | 0.2370 (13) |
H7AA | 0.9876 | 1.2755 | 0.0616 | 0.074* | 0.2370 (13) |
C8A | 0.8709 (10) | 1.1192 (12) | 0.0728 (5) | 0.067 (3)* | 0.2370 (13) |
H8AA | 0.8043 | 1.1804 | 0.0628 | 0.080* | 0.2370 (13) |
H8AB | 0.8742 | 1.0676 | 0.0352 | 0.080* | 0.2370 (13) |
C9A | 1.0848 (12) | 1.1107 (16) | 0.1064 (7) | 0.083 (4)* | 0.2370 (13) |
H9AA | 1.1551 | 1.1645 | 0.1203 | 0.099* | 0.2370 (13) |
H9AB | 1.0884 | 1.0630 | 0.0680 | 0.099* | 0.2370 (13) |
C10A | 0.9617 (16) | 0.919 (2) | 0.1325 (18) | 0.111 (13)* | 0.2370 (13) |
H10C | 0.9623 | 0.8750 | 0.0929 | 0.133* | 0.2370 (13) |
H10D | 0.9560 | 0.8462 | 0.1623 | 0.133* | 0.2370 (13) |
C11A | 1.0752 (17) | 1.003 (2) | 0.1563 (8) | 0.070 (7)* | 0.2370 (13) |
H11B | 1.1415 | 0.9391 | 0.1638 | 0.084* | 0.2370 (13) |
C12A | 1.0707 (12) | 1.0799 (15) | 0.2168 (6) | 0.076 (4)* | 0.2370 (13) |
H12C | 1.0638 | 1.0127 | 0.2487 | 0.091* | 0.2370 (13) |
H12D | 1.1414 | 1.1324 | 0.2317 | 0.091* | 0.2370 (13) |
C13 | 0.6623 (2) | 0.6114 (3) | −0.01934 (12) | 0.0623 (6) | |
H13A | 0.5809 | 0.6117 | −0.0416 | 0.075* | 0.7630 (13) |
C14 | 0.6717 (2) | 0.5413 (2) | 0.04345 (11) | 0.0569 (6) | |
H14A | 0.6518 | 0.4431 | 0.0367 | 0.068* | |
H14B | 0.7510 | 0.5465 | 0.0674 | 0.068* | |
C15 | 0.5944 (2) | 0.6070 (2) | 0.08101 (12) | 0.0579 (6) | |
H15A | 0.5136 | 0.6009 | 0.0580 | 0.069* | 0.2370 (13) |
C16 | 0.6068 (2) | 0.5602 (3) | 0.14704 (12) | 0.0580 (6) | |
C17 | 0.6457 (2) | 0.4278 (3) | 0.16673 (13) | 0.0662 (7) | |
H17A | 0.6713 | 0.3675 | 0.1397 | 0.079* | |
C18 | 0.6462 (3) | 0.3853 (4) | 0.22695 (15) | 0.0832 (9) | |
H18A | 0.6705 | 0.2952 | 0.2397 | 0.100* | |
C19 | 0.6121 (3) | 0.4727 (5) | 0.26767 (15) | 0.0919 (10) | |
H19A | 0.6145 | 0.4432 | 0.3082 | 0.110* | |
C20 | 0.5742 (3) | 0.6041 (4) | 0.24904 (16) | 0.0988 (11) | |
H20A | 0.5509 | 0.6642 | 0.2770 | 0.119* | |
C21 | 0.5702 (3) | 0.6486 (3) | 0.18866 (15) | 0.0837 (9) | |
H21A | 0.5429 | 0.7377 | 0.1760 | 0.100* | |
C22 | 0.7301 (2) | 0.5415 (2) | −0.06068 (12) | 0.0600 (6) | |
C23 | 0.6899 (2) | 0.5500 (3) | −0.12483 (13) | 0.0745 (8) | |
H23A | 0.6229 | 0.6000 | −0.1417 | 0.089* | |
C24 | 0.7487 (3) | 0.4843 (4) | −0.16410 (15) | 0.0911 (10) | |
H24A | 0.7208 | 0.4900 | −0.2072 | 0.109* | |
C25 | 0.8477 (3) | 0.4111 (3) | −0.13989 (17) | 0.0886 (9) | |
H25A | 0.8864 | 0.3663 | −0.1664 | 0.106* | |
C26 | 0.8892 (3) | 0.4041 (3) | −0.07700 (17) | 0.0907 (10) | |
H26A | 0.9571 | 0.3557 | −0.0605 | 0.109* | |
C27 | 0.8312 (3) | 0.4684 (3) | −0.03757 (14) | 0.0814 (8) | |
H27B | 0.8606 | 0.4627 | 0.0054 | 0.098* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0676 (5) | 0.0682 (5) | 0.0566 (5) | 0.0009 (4) | −0.0002 (4) | 0.0033 (4) |
O1 | 0.0770 (15) | 0.0821 (16) | 0.0802 (16) | 0.0303 (14) | 0.0244 (13) | 0.0188 (14) |
N1 | 0.0547 (13) | 0.0405 (12) | 0.0571 (14) | −0.0021 (10) | 0.0095 (12) | −0.0025 (11) |
N2 | 0.0521 (13) | 0.0414 (13) | 0.0613 (15) | 0.0027 (10) | 0.0083 (12) | 0.0001 (11) |
N3 | 0.0565 (14) | 0.0391 (12) | 0.0541 (14) | 0.0057 (10) | 0.0087 (12) | 0.0009 (11) |
N4 | 0.0701 (16) | 0.0409 (13) | 0.0739 (18) | 0.0090 (12) | 0.0078 (14) | 0.0095 (12) |
C1 | 0.0547 (16) | 0.0493 (16) | 0.0510 (16) | 0.0035 (13) | 0.0124 (13) | 0.0017 (14) |
C2 | 0.0515 (15) | 0.0411 (15) | 0.0538 (17) | 0.0041 (12) | 0.0141 (13) | −0.0011 (12) |
C3 | 0.0520 (16) | 0.0426 (16) | 0.0537 (18) | 0.0045 (12) | 0.0100 (14) | 0.0000 (13) |
C4 | 0.0642 (19) | 0.0578 (18) | 0.0619 (19) | −0.0034 (15) | 0.0228 (17) | −0.0013 (16) |
C5 | 0.067 (3) | 0.065 (2) | 0.078 (3) | −0.013 (2) | 0.013 (2) | 0.0013 (19) |
C6 | 0.099 (5) | 0.058 (3) | 0.103 (5) | −0.010 (2) | 0.008 (3) | −0.017 (2) |
C7 | 0.086 (3) | 0.077 (3) | 0.058 (2) | 0.005 (2) | 0.016 (2) | −0.0122 (19) |
C8 | 0.068 (2) | 0.063 (2) | 0.058 (2) | 0.0005 (17) | 0.0218 (17) | −0.0007 (16) |
C9 | 0.108 (4) | 0.097 (4) | 0.060 (2) | −0.011 (3) | 0.000 (2) | 0.002 (2) |
C10 | 0.056 (2) | 0.041 (2) | 0.090 (4) | 0.0084 (14) | −0.009 (2) | −0.0022 (16) |
C11 | 0.058 (3) | 0.065 (3) | 0.091 (5) | 0.0053 (17) | −0.014 (3) | 0.004 (3) |
C12 | 0.062 (2) | 0.082 (3) | 0.106 (4) | −0.002 (2) | 0.005 (2) | −0.013 (3) |
C13 | 0.0650 (14) | 0.0609 (14) | 0.0593 (14) | 0.0091 (12) | 0.0114 (12) | −0.0032 (12) |
C14 | 0.0601 (13) | 0.0457 (12) | 0.0648 (14) | 0.0013 (10) | 0.0148 (12) | −0.0034 (11) |
C15 | 0.0566 (13) | 0.0487 (12) | 0.0684 (15) | 0.0003 (11) | 0.0148 (12) | 0.0010 (11) |
C16 | 0.0515 (12) | 0.0600 (14) | 0.0624 (14) | −0.0037 (11) | 0.0133 (11) | −0.0042 (12) |
C17 | 0.0625 (15) | 0.0697 (16) | 0.0674 (16) | 0.0046 (12) | 0.0174 (13) | 0.0077 (13) |
C18 | 0.0720 (17) | 0.096 (2) | 0.080 (2) | 0.0040 (16) | 0.0148 (16) | 0.0204 (18) |
C19 | 0.0706 (18) | 0.141 (3) | 0.0634 (18) | −0.003 (2) | 0.0134 (15) | 0.005 (2) |
C20 | 0.102 (2) | 0.125 (3) | 0.074 (2) | −0.002 (2) | 0.0295 (19) | −0.026 (2) |
C21 | 0.094 (2) | 0.0781 (19) | 0.084 (2) | 0.0046 (16) | 0.0306 (18) | −0.0135 (16) |
C22 | 0.0697 (15) | 0.0491 (13) | 0.0631 (15) | −0.0009 (11) | 0.0192 (13) | −0.0049 (11) |
C23 | 0.0679 (16) | 0.088 (2) | 0.0664 (17) | −0.0045 (15) | 0.0134 (14) | −0.0070 (15) |
C24 | 0.102 (2) | 0.110 (3) | 0.0661 (18) | −0.016 (2) | 0.0285 (18) | −0.0176 (18) |
C25 | 0.117 (3) | 0.0713 (19) | 0.091 (2) | 0.0007 (18) | 0.051 (2) | −0.0122 (17) |
C26 | 0.114 (3) | 0.0713 (18) | 0.098 (2) | 0.0306 (18) | 0.048 (2) | 0.0051 (17) |
C27 | 0.102 (2) | 0.0725 (18) | 0.0740 (18) | 0.0263 (17) | 0.0294 (17) | 0.0056 (15) |
S1—C1 | 1.668 (3) | C4A—C5A | 1.509 (13) |
O1—C15 | 1.223 (3) | C4A—H4AA | 0.9700 |
N1—C1 | 1.345 (4) | C4A—H4AB | 0.9700 |
N1—N2 | 1.383 (3) | C5A—C12A | 1.507 (15) |
N1—C13 | 1.539 (3) | C5A—C6A | 1.54 (2) |
N2—C2 | 1.303 (4) | C5A—H5AA | 0.9800 |
N3—C1 | 1.370 (4) | C6A—C7A | 1.522 (19) |
N3—C2 | 1.373 (4) | C6A—H6AA | 0.9700 |
N3—N4 | 1.407 (3) | C6A—H6AB | 0.9700 |
N4—H1N4 | 0.8979 | C7A—C9A | 1.515 (15) |
N4—H2N4 | 0.8979 | C7A—C8A | 1.551 (13) |
C2—C3 | 1.493 (4) | C7A—H7AA | 0.9800 |
C3—C10 | 1.532 (5) | C8A—H8AA | 0.9700 |
C3—C4 | 1.535 (4) | C8A—H8AB | 0.9700 |
C3—C8 | 1.539 (4) | C9A—C11A | 1.530 (18) |
C4—C5 | 1.522 (5) | C9A—H9AA | 0.9700 |
C4—H4A | 0.9700 | C9A—H9AB | 0.9700 |
C4—H4B | 0.9700 | C10A—C11A | 1.554 (16) |
C5—C12 | 1.509 (6) | C10A—H10C | 0.9700 |
C5—C6 | 1.517 (11) | C10A—H10D | 0.9700 |
C5—H5A | 0.9800 | C11A—C12A | 1.532 (18) |
C6—C7 | 1.517 (10) | C11A—H11B | 0.9800 |
C6—H6A | 0.9700 | C12A—H12C | 0.9700 |
C6—H6B | 0.9700 | C12A—H12D | 0.9700 |
C7—C9 | 1.518 (6) | C13—C22 | 1.509 (3) |
C7—C8 | 1.547 (6) | C13—C14 | 1.516 (3) |
C7—H7A | 0.9800 | C13—H13A | 0.9800 |
C8—H8A | 0.9700 | C14—C15 | 1.513 (3) |
C8—H8B | 0.9700 | C14—H14A | 0.9700 |
C9—C11 | 1.534 (10) | C14—H14B | 0.9700 |
C9—H9A | 0.9700 | C15—C16 | 1.494 (3) |
C9—H9B | 0.9700 | C15—H15A | 0.9800 |
C10—C11 | 1.542 (6) | C16—C17 | 1.381 (3) |
C10—H10A | 0.9700 | C16—C21 | 1.390 (4) |
C10—H10B | 0.9700 | C17—C18 | 1.384 (4) |
C11—C12 | 1.530 (8) | C17—H17A | 0.9300 |
C11—H11A | 0.9800 | C18—C19 | 1.356 (5) |
C12—H12A | 0.9700 | C18—H18A | 0.9300 |
C12—H12B | 0.9700 | C19—C20 | 1.364 (5) |
S1A—C1A | 1.660 (9) | C19—H19A | 0.9300 |
O1A—C13 | 1.213 (7) | C20—C21 | 1.385 (5) |
N1A—C1A | 1.337 (11) | C20—H20A | 0.9300 |
N1A—N2A | 1.383 (10) | C21—H21A | 0.9300 |
N1A—C15 | 1.529 (8) | C22—C23 | 1.382 (4) |
N2A—C2A | 1.327 (11) | C22—C27 | 1.383 (4) |
N3A—C2A | 1.353 (11) | C23—C24 | 1.386 (4) |
N3A—C1A | 1.398 (11) | C23—H23A | 0.9300 |
N3A—N4A | 1.409 (11) | C24—C25 | 1.368 (5) |
N4A—H3N4 | 0.8979 | C24—H24A | 0.9300 |
N4A—H4N4 | 0.8979 | C25—C26 | 1.357 (4) |
C2A—C3A | 1.519 (13) | C25—H25A | 0.9300 |
C3A—C10A | 1.521 (16) | C26—C27 | 1.375 (4) |
C3A—C8A | 1.532 (12) | C26—H26A | 0.9300 |
C3A—C4A | 1.561 (12) | C27—H27B | 0.9300 |
C1—N1—N2 | 112.8 (2) | C12A—C5A—H5AA | 108.5 |
C1—N1—C13 | 125.7 (2) | C4A—C5A—H5AA | 108.5 |
N2—N1—C13 | 120.7 (2) | C6A—C5A—H5AA | 108.5 |
C2—N2—N1 | 105.1 (2) | C7A—C6A—C5A | 108.8 (11) |
C1—N3—C2 | 109.7 (2) | C7A—C6A—H6AA | 109.9 |
C1—N3—N4 | 124.6 (2) | C5A—C6A—H6AA | 109.9 |
C2—N3—N4 | 125.7 (2) | C7A—C6A—H6AB | 109.9 |
N3—N4—H1N4 | 95.2 | C5A—C6A—H6AB | 109.9 |
N3—N4—H2N4 | 122.7 | H6AA—C6A—H6AB | 108.3 |
H1N4—N4—H2N4 | 121.9 | C9A—C7A—C6A | 110.2 (12) |
N1—C1—N3 | 102.9 (2) | C9A—C7A—C8A | 108.5 (11) |
N1—C1—S1 | 130.5 (2) | C6A—C7A—C8A | 109.0 (12) |
N3—C1—S1 | 126.6 (2) | C9A—C7A—H7AA | 109.7 |
N2—C2—N3 | 109.6 (3) | C6A—C7A—H7AA | 109.7 |
N2—C2—C3 | 124.4 (3) | C8A—C7A—H7AA | 109.7 |
N3—C2—C3 | 126.0 (2) | C3A—C8A—C7A | 110.5 (9) |
C2—C3—C10 | 109.4 (3) | C3A—C8A—H8AA | 109.5 |
C2—C3—C4 | 112.3 (3) | C7A—C8A—H8AA | 109.5 |
C10—C3—C4 | 109.9 (4) | C3A—C8A—H8AB | 109.5 |
C2—C3—C8 | 109.9 (2) | C7A—C8A—H8AB | 109.5 |
C10—C3—C8 | 106.6 (5) | H8AA—C8A—H8AB | 108.1 |
C4—C3—C8 | 108.7 (2) | C7A—C9A—C11A | 110.2 (12) |
C5—C4—C3 | 110.7 (3) | C7A—C9A—H9AA | 109.6 |
C5—C4—H4A | 109.5 | C11A—C9A—H9AA | 109.6 |
C3—C4—H4A | 109.5 | C7A—C9A—H9AB | 109.6 |
C5—C4—H4B | 109.5 | C11A—C9A—H9AB | 109.6 |
C3—C4—H4B | 109.5 | H9AA—C9A—H9AB | 108.1 |
H4A—C4—H4B | 108.1 | C3A—C10A—C11A | 110.3 (14) |
C12—C5—C6 | 110.5 (5) | C3A—C10A—H10C | 109.6 |
C12—C5—C4 | 109.9 (3) | C11A—C10A—H10C | 109.6 |
C6—C5—C4 | 108.2 (5) | C3A—C10A—H10D | 109.6 |
C12—C5—H5A | 109.4 | C11A—C10A—H10D | 109.6 |
C6—C5—H5A | 109.4 | H10C—C10A—H10D | 108.1 |
C4—C5—H5A | 109.4 | C9A—C11A—C12A | 108.9 (13) |
C5—C6—C7 | 110.6 (4) | C9A—C11A—C10A | 108.1 (17) |
C5—C6—H6A | 109.5 | C12A—C11A—C10A | 109.5 (18) |
C7—C6—H6A | 109.5 | C9A—C11A—H11B | 110.1 |
C5—C6—H6B | 109.5 | C12A—C11A—H11B | 110.1 |
C7—C6—H6B | 109.5 | C10A—C11A—H11B | 110.1 |
H6A—C6—H6B | 108.1 | C5A—C12A—C11A | 109.8 (12) |
C6—C7—C9 | 109.4 (5) | C5A—C12A—H12C | 109.7 |
C6—C7—C8 | 109.1 (4) | C11A—C12A—H12C | 109.7 |
C9—C7—C8 | 108.8 (3) | C5A—C12A—H12D | 109.7 |
C6—C7—H7A | 109.8 | C11A—C12A—H12D | 109.7 |
C9—C7—H7A | 109.8 | H12C—C12A—H12D | 108.2 |
C8—C7—H7A | 109.8 | O1A—C13—C22 | 121.9 (4) |
C3—C8—C7 | 110.3 (3) | O1A—C13—C14 | 112.7 (4) |
C3—C8—H8A | 109.6 | C22—C13—C14 | 114.8 (2) |
C7—C8—H8A | 109.6 | O1A—C13—N1 | 84.7 (4) |
C3—C8—H8B | 109.6 | C22—C13—N1 | 110.0 (2) |
C7—C8—H8B | 109.6 | C14—C13—N1 | 107.8 (2) |
H8A—C8—H8B | 108.1 | O1A—C13—H13A | 23.7 |
C7—C9—C11 | 109.7 (4) | C22—C13—H13A | 108.0 |
C7—C9—H9A | 109.7 | C14—C13—H13A | 108.0 |
C11—C9—H9A | 109.7 | N1—C13—H13A | 108.0 |
C7—C9—H9B | 109.7 | C15—C14—C13 | 113.0 (2) |
C11—C9—H9B | 109.7 | C15—C14—H14A | 109.0 |
H9A—C9—H9B | 108.2 | C13—C14—H14A | 109.0 |
C3—C10—C11 | 110.5 (3) | C15—C14—H14B | 109.0 |
C3—C10—H10A | 109.5 | C13—C14—H14B | 109.0 |
C11—C10—H10A | 109.5 | H14A—C14—H14B | 107.8 |
C3—C10—H10B | 109.5 | O1—C15—C16 | 121.9 (2) |
C11—C10—H10B | 109.5 | O1—C15—C14 | 119.7 (2) |
H10A—C10—H10B | 108.1 | C16—C15—C14 | 118.3 (2) |
C12—C11—C9 | 109.5 (4) | O1—C15—N1A | 66.7 (3) |
C12—C11—C10 | 109.6 (7) | C16—C15—N1A | 102.4 (3) |
C9—C11—C10 | 108.5 (5) | C14—C15—N1A | 105.0 (3) |
C12—C11—H11A | 109.7 | O1—C15—H15A | 43.6 |
C9—C11—H11A | 109.7 | C16—C15—H15A | 110.2 |
C10—C11—H11A | 109.7 | C14—C15—H15A | 110.2 |
C5—C12—C11 | 109.6 (3) | N1A—C15—H15A | 110.2 |
C5—C12—H12A | 109.7 | C17—C16—C21 | 119.0 (3) |
C11—C12—H12A | 109.7 | C17—C16—C15 | 121.9 (2) |
C5—C12—H12B | 109.7 | C21—C16—C15 | 119.0 (2) |
C11—C12—H12B | 109.7 | C16—C17—C18 | 119.6 (3) |
H12A—C12—H12B | 108.2 | C16—C17—H17A | 120.2 |
C1A—N1A—N2A | 115.4 (7) | C18—C17—H17A | 120.2 |
C1A—N1A—C15 | 124.4 (7) | C19—C18—C17 | 121.2 (3) |
N2A—N1A—C15 | 120.2 (6) | C19—C18—H18A | 119.4 |
C2A—N2A—N1A | 102.8 (7) | C17—C18—H18A | 119.4 |
C2A—N3A—C1A | 109.9 (7) | C18—C19—C20 | 119.9 (3) |
C2A—N3A—N4A | 126.3 (8) | C18—C19—H19A | 120.1 |
C1A—N3A—N4A | 123.7 (7) | C20—C19—H19A | 120.1 |
N3A—N4A—H3N4 | 118.9 | C19—C20—C21 | 120.3 (3) |
N3A—N4A—H4N4 | 112.9 | C19—C20—H20A | 119.8 |
H3N4—N4A—H4N4 | 84.7 | C21—C20—H20A | 119.8 |
N1A—C1A—N3A | 101.2 (7) | C20—C21—C16 | 120.0 (3) |
N1A—C1A—S1A | 131.6 (7) | C20—C21—H21A | 120.0 |
N3A—C1A—S1A | 127.1 (7) | C16—C21—H21A | 120.0 |
N2A—C2A—N3A | 110.7 (8) | C23—C22—C27 | 118.0 (3) |
N2A—C2A—C3A | 121.1 (8) | C23—C22—C13 | 118.9 (2) |
N3A—C2A—C3A | 128.2 (8) | C27—C22—C13 | 123.2 (2) |
C2A—C3A—C10A | 110.3 (11) | C22—C23—C24 | 120.3 (3) |
C2A—C3A—C8A | 112.6 (8) | C22—C23—H23A | 119.8 |
C10A—C3A—C8A | 105.1 (16) | C24—C23—H23A | 119.8 |
C2A—C3A—C4A | 107.4 (9) | C25—C24—C23 | 120.4 (3) |
C10A—C3A—C4A | 112.0 (14) | C25—C24—H24A | 119.8 |
C8A—C3A—C4A | 109.5 (8) | C23—C24—H24A | 119.8 |
C5A—C4A—C3A | 108.3 (9) | C26—C25—C24 | 119.8 (3) |
C5A—C4A—H4AA | 110.0 | C26—C25—H25A | 120.1 |
C3A—C4A—H4AA | 110.0 | C24—C25—H25A | 120.1 |
C5A—C4A—H4AB | 110.0 | C25—C26—C27 | 120.3 (3) |
C3A—C4A—H4AB | 110.0 | C25—C26—H26A | 119.9 |
H4AA—C4A—H4AB | 108.4 | C27—C26—H26A | 119.9 |
C12A—C5A—C4A | 111.1 (11) | C26—C27—C22 | 121.2 (3) |
C12A—C5A—C6A | 111.3 (12) | C26—C27—H27B | 119.4 |
C4A—C5A—C6A | 109.0 (12) | C22—C27—H27B | 119.4 |
C1—N1—N2—C2 | −0.2 (3) | C10A—C3A—C4A—C5A | 56.4 (16) |
C13—N1—N2—C2 | −170.9 (2) | C8A—C3A—C4A—C5A | −59.8 (11) |
N2—N1—C1—N3 | 0.5 (3) | C3A—C4A—C5A—C12A | −59.7 (13) |
C13—N1—C1—N3 | 170.5 (2) | C3A—C4A—C5A—C6A | 63.2 (13) |
N2—N1—C1—S1 | 179.8 (2) | C12A—C5A—C6A—C7A | 58.1 (17) |
C13—N1—C1—S1 | −10.1 (5) | C4A—C5A—C6A—C7A | −64.7 (16) |
C2—N3—C1—N1 | −0.5 (3) | C5A—C6A—C7A—C9A | −58.3 (17) |
N4—N3—C1—N1 | −178.1 (3) | C5A—C6A—C7A—C8A | 60.7 (16) |
C2—N3—C1—S1 | −179.9 (2) | C2A—C3A—C8A—C7A | 176.5 (10) |
N4—N3—C1—S1 | 2.5 (4) | C10A—C3A—C8A—C7A | −63.3 (14) |
N1—N2—C2—N3 | −0.1 (3) | C4A—C3A—C8A—C7A | 57.1 (12) |
N1—N2—C2—C3 | 178.8 (3) | C9A—C7A—C8A—C3A | 62.0 (13) |
C1—N3—C2—N2 | 0.4 (3) | C6A—C7A—C8A—C3A | −58.0 (14) |
N4—N3—C2—N2 | 178.0 (3) | C6A—C7A—C9A—C11A | 60.5 (16) |
C1—N3—C2—C3 | −178.5 (3) | C8A—C7A—C9A—C11A | −58.8 (15) |
N4—N3—C2—C3 | −0.9 (5) | C2A—C3A—C10A—C11A | −174.6 (18) |
N2—C2—C3—C10 | 3.2 (6) | C8A—C3A—C10A—C11A | 64 (2) |
N3—C2—C3—C10 | −178.1 (5) | C4A—C3A—C10A—C11A | −55 (3) |
N2—C2—C3—C4 | 125.5 (3) | C7A—C9A—C11A—C12A | −59.8 (17) |
N3—C2—C3—C4 | −55.8 (4) | C7A—C9A—C11A—C10A | 59.1 (18) |
N2—C2—C3—C8 | −113.4 (3) | C3A—C10A—C11A—C9A | −63 (3) |
N3—C2—C3—C8 | 65.3 (4) | C3A—C10A—C11A—C12A | 56 (3) |
C2—C3—C4—C5 | −178.8 (3) | C4A—C5A—C12A—C11A | 62.8 (15) |
C10—C3—C4—C5 | −56.8 (5) | C6A—C5A—C12A—C11A | −58.8 (16) |
C8—C3—C4—C5 | 59.5 (4) | C9A—C11A—C12A—C5A | 58.7 (17) |
C3—C4—C5—C12 | 59.5 (4) | C10A—C11A—C12A—C5A | −59.2 (17) |
C3—C4—C5—C6 | −61.2 (5) | C1—N1—C13—O1A | −14.9 (5) |
C12—C5—C6—C7 | −58.6 (7) | N2—N1—C13—O1A | 154.5 (4) |
C4—C5—C6—C7 | 61.7 (7) | C1—N1—C13—C22 | 107.2 (3) |
C5—C6—C7—C9 | 58.6 (7) | N2—N1—C13—C22 | −83.5 (3) |
C5—C6—C7—C8 | −60.3 (7) | C1—N1—C13—C14 | −127.0 (3) |
C2—C3—C8—C7 | 179.5 (3) | N2—N1—C13—C14 | 42.3 (3) |
C10—C3—C8—C7 | 61.1 (4) | O1A—C13—C14—C15 | −29.6 (5) |
C4—C3—C8—C7 | −57.3 (4) | C22—C13—C14—C15 | −175.0 (2) |
C6—C7—C8—C3 | 58.0 (5) | N1—C13—C14—C15 | 62.1 (3) |
C9—C7—C8—C3 | −61.3 (4) | C13—C14—C15—O1 | 12.7 (3) |
C6—C7—C9—C11 | −59.2 (6) | C13—C14—C15—C16 | −172.1 (2) |
C8—C7—C9—C11 | 59.9 (5) | C13—C14—C15—N1A | −58.7 (4) |
C2—C3—C10—C11 | 179.7 (6) | C1A—N1A—C15—O1 | 18.2 (7) |
C4—C3—C10—C11 | 56.0 (8) | N2A—N1A—C15—O1 | −160.4 (8) |
C8—C3—C10—C11 | −61.6 (8) | C1A—N1A—C15—C16 | −101.5 (8) |
C7—C9—C11—C12 | 59.6 (5) | N2A—N1A—C15—C16 | 80.0 (7) |
C7—C9—C11—C10 | −60.0 (6) | C1A—N1A—C15—C14 | 134.4 (8) |
C3—C10—C11—C12 | −57.8 (8) | N2A—N1A—C15—C14 | −44.1 (7) |
C3—C10—C11—C9 | 61.7 (8) | O1—C15—C16—C17 | 147.4 (3) |
C6—C5—C12—C11 | 58.4 (6) | C14—C15—C16—C17 | −27.7 (3) |
C4—C5—C12—C11 | −60.9 (5) | N1A—C15—C16—C17 | −142.5 (4) |
C9—C11—C12—C5 | −58.9 (5) | O1—C15—C16—C21 | −27.7 (4) |
C10—C11—C12—C5 | 60.0 (6) | C14—C15—C16—C21 | 157.1 (2) |
C1A—N1A—N2A—C2A | 0.7 (10) | N1A—C15—C16—C21 | 42.4 (4) |
C15—N1A—N2A—C2A | 179.4 (7) | C21—C16—C17—C18 | 0.7 (4) |
N2A—N1A—C1A—N3A | −1.4 (10) | C15—C16—C17—C18 | −174.5 (2) |
C15—N1A—C1A—N3A | 179.9 (6) | C16—C17—C18—C19 | −1.7 (4) |
N2A—N1A—C1A—S1A | −177.2 (7) | C17—C18—C19—C20 | 1.3 (5) |
C15—N1A—C1A—S1A | 4.2 (14) | C18—C19—C20—C21 | 0.1 (5) |
C2A—N3A—C1A—N1A | 1.6 (10) | C19—C20—C21—C16 | −1.2 (5) |
N4A—N3A—C1A—N1A | 179.1 (8) | C17—C16—C21—C20 | 0.7 (4) |
C2A—N3A—C1A—S1A | 177.6 (7) | C15—C16—C21—C20 | 176.0 (3) |
N4A—N3A—C1A—S1A | −4.9 (13) | O1A—C13—C22—C23 | 8.0 (6) |
N1A—N2A—C2A—N3A | 0.4 (10) | C14—C13—C22—C23 | 149.9 (2) |
N1A—N2A—C2A—C3A | 178.7 (8) | N1—C13—C22—C23 | −88.4 (3) |
C1A—N3A—C2A—N2A | −1.3 (11) | O1A—C13—C22—C27 | −171.8 (5) |
N4A—N3A—C2A—N2A | −178.7 (8) | C14—C13—C22—C27 | −30.0 (4) |
C1A—N3A—C2A—C3A | −179.5 (9) | N1—C13—C22—C27 | 91.8 (3) |
N4A—N3A—C2A—C3A | 3.1 (15) | C27—C22—C23—C24 | 1.3 (4) |
N2A—C2A—C3A—C10A | 4 (2) | C13—C22—C23—C24 | −178.6 (3) |
N3A—C2A—C3A—C10A | −177.6 (18) | C22—C23—C24—C25 | −0.4 (5) |
N2A—C2A—C3A—C8A | 121.5 (10) | C23—C24—C25—C26 | −0.8 (5) |
N3A—C2A—C3A—C8A | −60.5 (14) | C24—C25—C26—C27 | 1.0 (5) |
N2A—C2A—C3A—C4A | −118.0 (10) | C25—C26—C27—C22 | −0.1 (5) |
N3A—C2A—C3A—C4A | 60.1 (12) | C23—C22—C27—C26 | −1.0 (4) |
C2A—C3A—C4A—C5A | 177.7 (9) | C13—C22—C27—C26 | 178.8 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
N4—H1N4···S1i | 0.90 | 2.60 | 3.475 (3) | 166 |
C4—H4B···N4 | 0.97 | 2.53 | 3.177 (4) | 124 |
Symmetry code: (i) −x+1, −y+2, −z. |
Experimental details
Crystal data | |
Chemical formula | C27H30N4OS |
Mr | 458.61 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 296 |
a, b, c (Å) | 11.9409 (3), 9.5478 (3), 22.0034 (6) |
β (°) | 103.610 (2) |
V (Å3) | 2438.15 (12) |
Z | 4 |
Radiation type | Cu Kα |
µ (mm−1) | 1.38 |
Crystal size (mm) | 0.98 × 0.66 × 0.33 |
Data collection | |
Diffractometer | Bruker SMART APEXII CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2009) |
Tmin, Tmax | 0.345, 0.662 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 18569, 4512, 3341 |
Rint | 0.041 |
(sin θ/λ)max (Å−1) | 0.608 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.057, 0.140, 1.04 |
No. of reflections | 4512 |
No. of parameters | 371 |
No. of restraints | 30 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.17, −0.18 |
Computer programs: APEX2 (Bruker, 2009), SAINT (Bruker, 2009), SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
N4—H1N4···S1i | 0.90 | 2.60 | 3.475 (3) | 166 |
C4—H4B···N4 | 0.97 | 2.53 | 3.177 (4) | 124 |
Symmetry code: (i) −x+1, −y+2, −z. |
Acknowledgements
The financial support of the Deanship of Scientific Research and the Research Center of the College of Pharmacy, King Saud University, is greatly appreciated. HKF and CKQ thank Universiti Sains Malaysia (USM) for the Research University Grant (No. 1001/PFIZIK/811160).
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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.
Derivatives of adamantane have long been known for their diverse biological activities including antiviral activity against the influenza (Vernier et al., 1969) and HIV viruses (El-Emam et al., 2004). Moreover, adamantane derivative were recently reported to exhibit marked antibacterial activity (Kadi et al., 2007, 2010). In continuation to our interest in the reactions of amino-1,2,4-triazoles (Al-Abdullah et al., 2007), we report herein the synthesis and structure of the title compound (I) as potential chemotherapeutic agent.
In the title molecule, Fig. 1, the 3-(adamantan-1-yl)-4-amino-1H-1,2,4-triazole-5(4H)-thione moiety and an oxygen atom are disordered over two positions with refined site-occupancies of 0.763 (1):0.237 (1). The mean plane of major component of 1,2,4-triazole ring (N1-N3/C1/C2, r.m.s deviation = 0.003 Å) forms dihedral angles of 62.61 (17) and 61.93 (16)° with the two benzene rings (C16–C21 and C22–C27). The corresponding angles for minor component of 1,2,4-triazole ring (r.m.s deviation = 0.010 Å) are 86.3 (4) and 79.1 (4)°. The dihedral angle between the two benzene rings is 39.21 (16)°. Bond lengths (Allen et al., 1987) and angles are within normal ranges. The molecular structure is stabilized by an intramolecular C4—H4B···N4 hydrogen bond (Table 1), which generates an S(6) ring motif (Fig. 2; Bernstein et al., 1995).
In the crystal (Fig. 3), molecules are linked into inversion dimers by pairs of N4—H1N4···S1 hydrogen bonds (Table 1).