organic compounds
of 3-benzyl-1-[(1,2,3,4-tetrahydronaphthalen-1-ylidene)amino]thiourea
aFaculty of Science & Engineering, School of Healthcare Science, Manchester Metropolitan University, Manchester M1 5GD, England, bChemistry Department, Faculty of Science, Minia University, 61519 El-Minia, Egypt, cDepartment of Chemistry, Tulane University, New Orleans, LA 70118, USA, dDepartment of Physics, Faculty of Sciences, Erciyes University, 38039 Kayseri, Turkey, and eKirkuk University, College of Education, Department of Chemistry, Kirkuk, Iraq
*Correspondence e-mail: shaabankamel@yahoo.com
In the title compound, C18H19N3S, the dihedral angle between the planes of the benzene rings is 58.63 (8)°. The six-membered ring bonded to the thiosemicarbazide group (r.m.s. deviation = 0.038 Å) adopts a sofa conformation, with one of the methylene-group C atoms as the flap. A short intramolecular N—H⋯N contact is observed. In the crystal, molecules are linked by weak N—H⋯S interactions to generate C(4) chains propagating in the [010] direction, with adjacent molecules related by glide symmetry.
CCDC reference: 1435397
1. Related literature
For the antitumour activities of thiosemicarbazides, see: Vandresen et al. (2014); Xie et al. (2014); Gan et al. (2014). For the synthesis of the title compound, see: Mague et al. (2014)
2. Experimental
2.1. Crystal data
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2.3. Refinement
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Data collection: APEX2 (Bruker, 2014); cell SAINT (Bruker, 2014); data reduction: SAINT; program(s) used to solve structure: SHELXT (Bruker, 2014); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015); molecular graphics: DIAMOND (Brandenburg & Putz, 2012); software used to prepare material for publication: SHELXTL (Bruker, 2014).
Supporting information
CCDC reference: 1435397
https://doi.org/10.1107/S2056989015021064/hb7536sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S2056989015021064/hb7536Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S2056989015021064/hb7536Isup3.cml
The title compound was prepared according to our recently reported method (Mague et al., 2014). The product was recrystallized from ethanol solution to afford colorless tablets (90% yield) M.p. 413 - 414 K.
H atoms attached to C atoms were placed in calculated positions (C—H = 0.95–0.99 Å) while those attached to N atoms were placed in locations derived from a difference map and their parameters adjusted to give N—H = 0.91 Å. All were included as riding contributions with isotropic displacement parameters 1.2–1.5 times those of the attached atoms.
Recently, several kinds of thiosemicarbazone derivatives were synthesized and their antitumor activities were also reported (Vandresen et al., 2014; Xie et al., 2014; Gan et al., 2014). As part of our studies in this area, we report here the synthesis and crystal structural determination of the title compound.
In the title molecule (Fig. 1), the dihedral angle between the phenyl ring (C1–C6) and the aromatic portion of the tetrahydronaphthylidene unit (C13–C18) is 58.64 (5)°. A Cremer-Pople analysis of the conformation of the C9–C13,C18 ring gave puckering parameters Q = 0.434 (2) Å, θ = 126.2 (2)° and φ = 305.1 (2)°. The molecules pack in chains running parallel to the b axis assisted by weak N1—H1A···S1i (i: 1/2 - x, -1/2 + y, z) interactions (Table 1, Fig. 2).
For the antitumour activities of thiosemicarbazides, see: Vandresen et al. (2014); Xie et al. (2014); Gan et al. (2014). For the synthesis of the title compound, see: Mague et al. (2014)
Data collection: APEX2 (Bruker, 2014); cell
SAINT (Bruker, 2014); data reduction: SAINT (Bruker, 2014); program(s) used to solve structure: SHELXT (Bruker, 2014); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015); molecular graphics: DIAMOND (Brandenburg & Putz, 2012); software used to prepare material for publication: SHELXTL (Bruker, 2014).Fig. 1. The title molecule with 50% probability displacement ellipsoids. | |
Fig. 2. Packing viewed down the b axis. N—H···S interactions are shown by dotted lines. |
C18H19N3S | Dx = 1.280 Mg m−3 |
Mr = 309.42 | Cu Kα radiation, λ = 1.54178 Å |
Orthorhombic, Pbca | Cell parameters from 9005 reflections |
a = 11.9129 (5) Å | θ = 4.9–72.0° |
b = 9.6914 (4) Å | µ = 1.77 mm−1 |
c = 27.8220 (11) Å | T = 150 K |
V = 3212.1 (2) Å3 | Tablet, colourless |
Z = 8 | 0.22 × 0.18 × 0.05 mm |
F(000) = 1312 |
Bruker D8 VENTURE PHOTON 100 CMOS diffractometer | 3155 independent reflections |
Radiation source: INCOATEC IµS micro–focus source | 2795 reflections with I > 2σ(I) |
Mirror monochromator | Rint = 0.050 |
Detector resolution: 10.4167 pixels mm-1 | θmax = 72.2°, θmin = 3.2° |
ω scans | h = −14→14 |
Absorption correction: multi-scan (SADABS; Bruker, 2014) | k = −11→11 |
Tmin = 0.84, Tmax = 0.91 | l = −34→34 |
61936 measured reflections |
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)] = 0.035 | Hydrogen site location: mixed |
wR(F2) = 0.098 | H-atom parameters constrained |
S = 1.06 | w = 1/[σ2(Fo2) + (0.0522P)2 + 1.4441P] where P = (Fo2 + 2Fc2)/3 |
3155 reflections | (Δ/σ)max = 0.001 |
199 parameters | Δρmax = 0.56 e Å−3 |
0 restraints | Δρmin = −0.22 e Å−3 |
C18H19N3S | V = 3212.1 (2) Å3 |
Mr = 309.42 | Z = 8 |
Orthorhombic, Pbca | Cu Kα radiation |
a = 11.9129 (5) Å | µ = 1.77 mm−1 |
b = 9.6914 (4) Å | T = 150 K |
c = 27.8220 (11) Å | 0.22 × 0.18 × 0.05 mm |
Bruker D8 VENTURE PHOTON 100 CMOS diffractometer | 3155 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2014) | 2795 reflections with I > 2σ(I) |
Tmin = 0.84, Tmax = 0.91 | Rint = 0.050 |
61936 measured reflections |
R[F2 > 2σ(F2)] = 0.035 | 0 restraints |
wR(F2) = 0.098 | H-atom parameters constrained |
S = 1.06 | Δρmax = 0.56 e Å−3 |
3155 reflections | Δρmin = −0.22 e Å−3 |
199 parameters |
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. H-atoms attached to carbon were placed in calculated positions (C—H = 0.95 - 0.99 Å) while those attached to nitrogen were placed in locations derived from a difference map and their parameters adjusted to give N—H = 0.91 Å. All were included as riding contributions with isotropic displacement parameters 1.2 - 1.5 times those of the attached atoms. |
x | y | z | Uiso*/Ueq | ||
S1 | 0.08381 (3) | 0.69807 (4) | 0.37402 (2) | 0.02936 (13) | |
N1 | 0.23130 (10) | 0.48914 (12) | 0.37501 (4) | 0.0250 (3) | |
H1A | 0.2789 | 0.4340 | 0.3581 | 0.030* | |
N2 | 0.18664 (10) | 0.57805 (12) | 0.30147 (4) | 0.0243 (3) | |
H2A | 0.1458 | 0.6361 | 0.2827 | 0.029* | |
N3 | 0.27037 (9) | 0.49802 (12) | 0.28232 (4) | 0.0223 (3) | |
C1 | 0.29867 (14) | 0.56296 (15) | 0.45561 (5) | 0.0287 (3) | |
C2 | 0.41047 (15) | 0.57894 (19) | 0.44281 (6) | 0.0388 (4) | |
H2 | 0.4386 | 0.5343 | 0.4149 | 0.047* | |
C3 | 0.48124 (18) | 0.6596 (2) | 0.47050 (7) | 0.0524 (5) | |
H3 | 0.5578 | 0.6695 | 0.4616 | 0.063* | |
C4 | 0.4413 (2) | 0.7256 (2) | 0.51086 (7) | 0.0588 (6) | |
H4 | 0.4900 | 0.7817 | 0.5296 | 0.071* | |
C5 | 0.3306 (2) | 0.7102 (2) | 0.52401 (7) | 0.0578 (6) | |
H5 | 0.3030 | 0.7551 | 0.5520 | 0.069* | |
C6 | 0.25919 (18) | 0.62890 (19) | 0.49641 (5) | 0.0421 (4) | |
H6 | 0.1829 | 0.6185 | 0.5056 | 0.051* | |
C7 | 0.22186 (13) | 0.47002 (15) | 0.42688 (5) | 0.0286 (3) | |
H7A | 0.2394 | 0.3727 | 0.4347 | 0.034* | |
H7B | 0.1433 | 0.4878 | 0.4367 | 0.034* | |
C8 | 0.17257 (12) | 0.58125 (14) | 0.35015 (5) | 0.0231 (3) | |
C9 | 0.27768 (11) | 0.49111 (13) | 0.23608 (5) | 0.0206 (3) | |
C10 | 0.19577 (13) | 0.55643 (16) | 0.20165 (5) | 0.0298 (3) | |
H10A | 0.2161 | 0.6546 | 0.1971 | 0.036* | |
H10B | 0.1196 | 0.5531 | 0.2158 | 0.036* | |
C11 | 0.19402 (14) | 0.48477 (18) | 0.15289 (6) | 0.0356 (4) | |
H11A | 0.1620 | 0.3911 | 0.1564 | 0.043* | |
H11B | 0.1459 | 0.5374 | 0.1304 | 0.043* | |
C12 | 0.31195 (14) | 0.47477 (18) | 0.13267 (5) | 0.0339 (4) | |
H12A | 0.3099 | 0.4231 | 0.1020 | 0.041* | |
H12B | 0.3404 | 0.5687 | 0.1258 | 0.041* | |
C13 | 0.39089 (12) | 0.40340 (15) | 0.16706 (5) | 0.0247 (3) | |
C14 | 0.48145 (13) | 0.32664 (16) | 0.14988 (6) | 0.0305 (3) | |
H14 | 0.4926 | 0.3188 | 0.1162 | 0.037* | |
C15 | 0.55529 (13) | 0.26181 (16) | 0.18071 (6) | 0.0328 (3) | |
H15 | 0.6154 | 0.2082 | 0.1683 | 0.039* | |
C16 | 0.54132 (12) | 0.27535 (15) | 0.22997 (6) | 0.0299 (3) | |
H16 | 0.5928 | 0.2325 | 0.2514 | 0.036* | |
C17 | 0.45229 (12) | 0.35136 (14) | 0.24798 (5) | 0.0242 (3) | |
H17 | 0.4436 | 0.3613 | 0.2817 | 0.029* | |
C18 | 0.37478 (11) | 0.41390 (13) | 0.21678 (5) | 0.0206 (3) |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0343 (2) | 0.0285 (2) | 0.0252 (2) | 0.00308 (14) | 0.00802 (14) | −0.00293 (13) |
N1 | 0.0291 (6) | 0.0258 (6) | 0.0200 (6) | −0.0001 (5) | 0.0013 (5) | −0.0034 (5) |
N2 | 0.0271 (6) | 0.0254 (6) | 0.0204 (6) | 0.0045 (5) | 0.0021 (5) | −0.0016 (5) |
N3 | 0.0219 (6) | 0.0218 (6) | 0.0232 (6) | 0.0000 (4) | 0.0021 (4) | −0.0022 (4) |
C1 | 0.0406 (8) | 0.0263 (7) | 0.0192 (6) | −0.0016 (6) | −0.0040 (6) | 0.0049 (6) |
C2 | 0.0412 (9) | 0.0445 (9) | 0.0308 (8) | −0.0055 (8) | −0.0046 (7) | 0.0048 (7) |
C3 | 0.0518 (11) | 0.0630 (12) | 0.0425 (10) | −0.0206 (10) | −0.0188 (9) | 0.0151 (9) |
C4 | 0.0905 (16) | 0.0536 (12) | 0.0325 (10) | −0.0305 (12) | −0.0287 (10) | 0.0096 (8) |
C5 | 0.0977 (18) | 0.0514 (12) | 0.0244 (8) | −0.0166 (12) | −0.0052 (10) | −0.0066 (8) |
C6 | 0.0599 (11) | 0.0423 (9) | 0.0242 (7) | −0.0045 (8) | 0.0025 (8) | −0.0027 (7) |
C7 | 0.0368 (8) | 0.0273 (7) | 0.0217 (7) | −0.0036 (6) | 0.0024 (6) | 0.0023 (6) |
C8 | 0.0248 (7) | 0.0235 (7) | 0.0209 (6) | −0.0058 (5) | 0.0023 (5) | −0.0023 (5) |
C9 | 0.0220 (7) | 0.0183 (6) | 0.0214 (6) | −0.0013 (5) | 0.0002 (5) | −0.0013 (5) |
C10 | 0.0322 (8) | 0.0321 (8) | 0.0250 (7) | 0.0105 (6) | −0.0022 (6) | −0.0015 (6) |
C11 | 0.0356 (8) | 0.0438 (9) | 0.0275 (8) | 0.0066 (7) | −0.0063 (6) | −0.0026 (7) |
C12 | 0.0364 (9) | 0.0453 (9) | 0.0202 (7) | 0.0052 (7) | 0.0011 (6) | −0.0011 (6) |
C13 | 0.0248 (7) | 0.0248 (7) | 0.0244 (7) | −0.0029 (6) | 0.0024 (5) | −0.0022 (5) |
C14 | 0.0297 (8) | 0.0322 (8) | 0.0297 (7) | −0.0028 (6) | 0.0098 (6) | −0.0042 (6) |
C15 | 0.0243 (7) | 0.0279 (7) | 0.0463 (9) | 0.0019 (6) | 0.0096 (7) | −0.0046 (7) |
C16 | 0.0232 (7) | 0.0248 (7) | 0.0417 (8) | 0.0014 (6) | −0.0010 (6) | 0.0028 (6) |
C17 | 0.0234 (7) | 0.0220 (7) | 0.0270 (7) | −0.0026 (6) | −0.0002 (5) | 0.0007 (6) |
C18 | 0.0208 (6) | 0.0171 (6) | 0.0239 (7) | −0.0028 (5) | 0.0017 (5) | −0.0007 (5) |
S1—C8 | 1.6855 (14) | C9—C18 | 1.4786 (18) |
N1—C8 | 1.3285 (19) | C9—C10 | 1.5069 (19) |
N1—C7 | 1.4592 (17) | C10—C11 | 1.524 (2) |
N1—H1A | 0.9098 | C10—H10A | 0.9900 |
N2—C8 | 1.3651 (18) | C10—H10B | 0.9900 |
N2—N3 | 1.3713 (16) | C11—C12 | 1.516 (2) |
N2—H2A | 0.9099 | C11—H11A | 0.9900 |
N3—C9 | 1.2913 (18) | C11—H11B | 0.9900 |
C1—C6 | 1.385 (2) | C12—C13 | 1.509 (2) |
C1—C2 | 1.387 (2) | C12—H12A | 0.9900 |
C1—C7 | 1.512 (2) | C12—H12B | 0.9900 |
C2—C3 | 1.384 (3) | C13—C14 | 1.395 (2) |
C2—H2 | 0.9500 | C13—C18 | 1.4004 (19) |
C3—C4 | 1.377 (3) | C14—C15 | 1.380 (2) |
C3—H3 | 0.9500 | C14—H14 | 0.9500 |
C4—C5 | 1.377 (3) | C15—C16 | 1.387 (2) |
C4—H4 | 0.9500 | C15—H15 | 0.9500 |
C5—C6 | 1.391 (3) | C16—C17 | 1.385 (2) |
C5—H5 | 0.9500 | C16—H16 | 0.9500 |
C6—H6 | 0.9500 | C17—C18 | 1.405 (2) |
C7—H7A | 0.9900 | C17—H17 | 0.9500 |
C7—H7B | 0.9900 | ||
C8—N1—C7 | 124.03 (12) | C9—C10—C11 | 112.53 (12) |
C8—N1—H1A | 116.9 | C9—C10—H10A | 109.1 |
C7—N1—H1A | 119.0 | C11—C10—H10A | 109.1 |
C8—N2—N3 | 119.18 (12) | C9—C10—H10B | 109.1 |
C8—N2—H2A | 119.4 | C11—C10—H10B | 109.1 |
N3—N2—H2A | 121.0 | H10A—C10—H10B | 107.8 |
C9—N3—N2 | 117.74 (12) | C12—C11—C10 | 110.29 (13) |
C6—C1—C2 | 119.00 (16) | C12—C11—H11A | 109.6 |
C6—C1—C7 | 120.17 (15) | C10—C11—H11A | 109.6 |
C2—C1—C7 | 120.77 (14) | C12—C11—H11B | 109.6 |
C3—C2—C1 | 120.34 (18) | C10—C11—H11B | 109.6 |
C3—C2—H2 | 119.8 | H11A—C11—H11B | 108.1 |
C1—C2—H2 | 119.8 | C13—C12—C11 | 111.79 (12) |
C4—C3—C2 | 120.4 (2) | C13—C12—H12A | 109.3 |
C4—C3—H3 | 119.8 | C11—C12—H12A | 109.3 |
C2—C3—H3 | 119.8 | C13—C12—H12B | 109.3 |
C5—C4—C3 | 119.80 (18) | C11—C12—H12B | 109.3 |
C5—C4—H4 | 120.1 | H12A—C12—H12B | 107.9 |
C3—C4—H4 | 120.1 | C14—C13—C18 | 118.90 (13) |
C4—C5—C6 | 120.06 (19) | C14—C13—C12 | 120.60 (13) |
C4—C5—H5 | 120.0 | C18—C13—C12 | 120.50 (13) |
C6—C5—H5 | 120.0 | C15—C14—C13 | 121.51 (14) |
C1—C6—C5 | 120.40 (19) | C15—C14—H14 | 119.2 |
C1—C6—H6 | 119.8 | C13—C14—H14 | 119.2 |
C5—C6—H6 | 119.8 | C14—C15—C16 | 119.66 (14) |
N1—C7—C1 | 113.61 (12) | C14—C15—H15 | 120.2 |
N1—C7—H7A | 108.8 | C16—C15—H15 | 120.2 |
C1—C7—H7A | 108.8 | C17—C16—C15 | 119.98 (14) |
N1—C7—H7B | 108.8 | C17—C16—H16 | 120.0 |
C1—C7—H7B | 108.8 | C15—C16—H16 | 120.0 |
H7A—C7—H7B | 107.7 | C16—C17—C18 | 120.62 (14) |
N1—C8—N2 | 115.89 (12) | C16—C17—H17 | 119.7 |
N1—C8—S1 | 125.21 (10) | C18—C17—H17 | 119.7 |
N2—C8—S1 | 118.90 (11) | C13—C18—C17 | 119.28 (13) |
N3—C9—C18 | 116.15 (12) | C13—C18—C9 | 120.18 (12) |
N3—C9—C10 | 124.61 (12) | C17—C18—C9 | 120.54 (12) |
C18—C9—C10 | 119.23 (12) | ||
C8—N2—N3—C9 | 176.26 (12) | C9—C10—C11—C12 | −52.80 (18) |
C6—C1—C2—C3 | 0.0 (3) | C10—C11—C12—C13 | 55.55 (19) |
C7—C1—C2—C3 | −177.27 (16) | C11—C12—C13—C14 | 149.52 (14) |
C1—C2—C3—C4 | −0.4 (3) | C11—C12—C13—C18 | −30.9 (2) |
C2—C3—C4—C5 | 0.6 (3) | C18—C13—C14—C15 | −0.3 (2) |
C3—C4—C5—C6 | −0.4 (3) | C12—C13—C14—C15 | 179.30 (15) |
C2—C1—C6—C5 | 0.2 (3) | C13—C14—C15—C16 | −1.5 (2) |
C7—C1—C6—C5 | 177.49 (16) | C14—C15—C16—C17 | 1.3 (2) |
C4—C5—C6—C1 | 0.0 (3) | C15—C16—C17—C18 | 0.8 (2) |
C8—N1—C7—C1 | −87.70 (17) | C14—C13—C18—C17 | 2.3 (2) |
C6—C1—C7—N1 | 136.73 (15) | C12—C13—C18—C17 | −177.28 (13) |
C2—C1—C7—N1 | −46.0 (2) | C14—C13—C18—C9 | −178.21 (13) |
C7—N1—C8—N2 | −175.61 (13) | C12—C13—C18—C9 | 2.2 (2) |
C7—N1—C8—S1 | 4.1 (2) | C16—C17—C18—C13 | −2.6 (2) |
N3—N2—C8—N1 | −9.87 (18) | C16—C17—C18—C9 | 177.96 (13) |
N3—N2—C8—S1 | 170.43 (10) | N3—C9—C18—C13 | −178.67 (13) |
N2—N3—C9—C18 | 174.84 (11) | C10—C9—C18—C13 | 0.82 (19) |
N2—N3—C9—C10 | −4.6 (2) | N3—C9—C18—C17 | 0.80 (19) |
N3—C9—C10—C11 | −155.52 (14) | C10—C9—C18—C17 | −179.72 (13) |
C18—C9—C10—C11 | 25.04 (19) |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1A···N3 | 0.91 | 2.20 | 2.6219 (16) | 108 |
N1—H1A···S1i | 0.91 | 2.85 | 3.5790 (13) | 138 |
Symmetry code: (i) −x+1/2, y−1/2, z. |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1A···N3 | 0.91 | 2.20 | 2.6219 (16) | 108 |
N1—H1A···S1i | 0.91 | 2.85 | 3.5790 (13) | 138 |
Symmetry code: (i) −x+1/2, y−1/2, z. |
Acknowledgements
The support of NSF–MRI Grant No. 1228232 for the purchase of the diffractometer and Tulane University for support of the Tulane Crystallography Laboratory are gratefully acknowledged.
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Recently, several kinds of thiosemicarbazone derivatives were synthesized and their antitumor activities were also reported (Vandresen et al., 2014; Xie et al., 2014; Gan et al., 2014). As part of our studies in this area, we report here the synthesis and crystal structural determination of the title compound.
In the title molecule (Fig. 1), the dihedral angle between the phenyl ring (C1–C6) and the aromatic portion of the tetrahydronaphthylidene unit (C13–C18) is 58.64 (5)°. A Cremer-Pople analysis of the conformation of the C9–C13,C18 ring gave puckering parameters Q = 0.434 (2) Å, θ = 126.2 (2)° and φ = 305.1 (2)°. The molecules pack in chains running parallel to the b axis assisted by weak N1—H1A···S1i (i: 1/2 - x, -1/2 + y, z) interactions (Table 1, Fig. 2).