organic compounds
E)-3-allyl-2-sulfanylidene-5-[(thiophen-2-yl)methylidene]thiazolidin-4-one
of (aLaboratoire de Chimie Organique et Analytique, Université Sultan Moulay Slimane, Faculté des Sciences et Techniques, Béni-Mellal, BP 523, Morocco, and bLaboratoire de Chimie du Solide Appliquée, Faculté des Sciences, Université Mohammed V, Avenue Ibn Battouta, BP. 1014, Rabat, Morocco
*Correspondence e-mail: r_elajlaoui@yahoo.fr
Molecules of the title compound, C11H9NOS3, are built up by one thiophene and one 2-thioxathiazolidin-4-one ring which are connected by a methylene bridge. In addition, there is an allyl substituent attached to nitrogen. The two rings are almost coplanar, making a dihedral angle between them of 0.76 (11)°. The allyl group is oriented perpendicular to the mean plane through both ring systems. The exhibits inversion dimers in which molecules are linked by pairs of C—H⋯O hydrogen bonds. Additional π–π interactions between neighboring thiophene and 2-thioxathiazolidin-4-one rings [intercentroid distance = 3.694 (2) Å] lead to the formation of a three-dimensional network.
Keywords: crystal structure; rhodanine derivative; 2-thioxathiazolidin-4-one; hydrogen bonding; π–π interactions.
CCDC reference: 1403058
1. Related literature
For pharmacological activities such as antimicrobial and anti-inflammatory of arylidene derivatives of rhodanine (2-thioxo-1,3-thiazolidin-4-one), see: Soltero-Higgin et al. (2004); Hu et al. (2004); Nasr & Said (2003); Johnson et al. (2001); Sortino et al. (2007); Insuasty et al. (2010); Tomasic & Masic (2009).
2. Experimental
2.1. Crystal data
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2.3. Refinement
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Data collection: APEX2 (Bruker, 2009); cell SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEPIII (Burnett & Johnson, 1996) and ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for publication: PLATON (Spek, 2009) and publCIF (Westrip, 2010).
Supporting information
CCDC reference: 1403058
10.1107/S2056989015010166/im2466sup1.cif
contains datablock I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S2056989015010166/im2466Isup2.hkl
Supporting information file. DOI: 10.1107/S2056989015010166/im2466Isup3.cml
To a solution of 3-allyl-2-thioxo-1,3-thiazolidin-4-one (1.15 mmol, 0.2 g) in 10 ml of THF methyl-2-(thiophen-2-ylmethylene)-5-oxopyrazolidin-2-ium-1-ide (1.38 mmol) was added. The mixture was refluxed for 8 h and was monitored by TLC. After the reaction was completed only one yellow spot (TLC Rf = 0.3, hexane/ethyl acetate 1:9) was generated cleanly. The solvent was evaporated in vacuo. The crude product was purified on silica using hexane: ethyl acetate (1/9) as
The product was obtained as a yellow crystal solid (Yield: 55%, m.p.: 403 K).H atoms were located from the difference Fourier map and treated as riding with C–H = 0.97 Å and C–H = 0.93 Å for methylene and aromatic, respectively. All hydrogen atoms were included into the
with Uiso(H) = 1.2 Ueq of the parent carbon atom.Data collection: APEX2 (Bruker, 2009); cell
SAINT (Bruker, 2009); data reduction: SAINT (Bruker, 2009); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEPIII (Burnett & Johnson, 1996) and ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for publication: PLATON (Spek, 2009) and publCIF (Westrip, 2010).C11H9NOS3 | Z = 2 |
Mr = 267.37 | F(000) = 276 |
Triclinic, P1 | Dx = 1.476 Mg m−3 |
a = 6.7342 (2) Å | Mo Kα radiation, λ = 0.71073 Å |
b = 7.3762 (2) Å | Cell parameters from 3514 reflections |
c = 13.2917 (5) Å | θ = 3.0–30.0° |
α = 79.386 (2)° | µ = 0.59 mm−1 |
β = 80.104 (2)° | T = 296 K |
γ = 68.908 (1)° | Block, yellow |
V = 601.44 (3) Å3 | 0.37 × 0.35 × 0.28 mm |
Bruker X8 APEX diffractometer | 3514 independent reflections |
Radiation source: fine-focus sealed tube | 2557 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.042 |
ϕ and ω scans | θmax = 30.0°, θmin = 3.0° |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | h = −9→9 |
Tmin = 0.700, Tmax = 0.746 | k = −10→10 |
25223 measured reflections | l = −18→18 |
Refinement on F2 | 0 restraints |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.043 | H-atom parameters constrained |
wR(F2) = 0.111 | w = 1/[σ2(Fo2) + (0.0384P)2 + 0.3716P] where P = (Fo2 + 2Fc2)/3 |
S = 1.07 | (Δ/σ)max < 0.001 |
3514 reflections | Δρmax = 0.35 e Å−3 |
145 parameters | Δρmin = −0.26 e Å−3 |
C11H9NOS3 | γ = 68.908 (1)° |
Mr = 267.37 | V = 601.44 (3) Å3 |
Triclinic, P1 | Z = 2 |
a = 6.7342 (2) Å | Mo Kα radiation |
b = 7.3762 (2) Å | µ = 0.59 mm−1 |
c = 13.2917 (5) Å | T = 296 K |
α = 79.386 (2)° | 0.37 × 0.35 × 0.28 mm |
β = 80.104 (2)° |
Bruker X8 APEX diffractometer | 3514 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | 2557 reflections with I > 2σ(I) |
Tmin = 0.700, Tmax = 0.746 | Rint = 0.042 |
25223 measured reflections |
R[F2 > 2σ(F2)] = 0.043 | 0 restraints |
wR(F2) = 0.111 | H-atom parameters constrained |
S = 1.07 | Δρmax = 0.35 e Å−3 |
3514 reflections | Δρmin = −0.26 e Å−3 |
145 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. |
x | y | z | Uiso*/Ueq | ||
C1 | 0.1345 (4) | 0.1860 (4) | 0.70306 (19) | 0.0518 (6) | |
H1 | −0.0046 | 0.2033 | 0.7342 | 0.062* | |
C2 | 0.3105 (4) | 0.0861 (4) | 0.75114 (18) | 0.0523 (6) | |
H2 | 0.3058 | 0.0267 | 0.8192 | 0.063* | |
C3 | 0.5018 (4) | 0.0808 (3) | 0.68783 (17) | 0.0428 (5) | |
H3 | 0.6372 | 0.0182 | 0.7094 | 0.051* | |
C4 | 0.4669 (3) | 0.1785 (3) | 0.59025 (16) | 0.0350 (4) | |
C5 | 0.6327 (3) | 0.1940 (3) | 0.50925 (16) | 0.0358 (4) | |
H5 | 0.7718 | 0.1321 | 0.5264 | 0.043* | |
C6 | 0.6167 (3) | 0.2849 (3) | 0.41203 (16) | 0.0341 (4) | |
C7 | 0.8086 (3) | 0.2828 (3) | 0.33909 (16) | 0.0366 (4) | |
C8 | 0.5339 (3) | 0.4692 (3) | 0.23605 (17) | 0.0399 (5) | |
C9 | 0.9117 (4) | 0.4146 (4) | 0.15934 (19) | 0.0491 (6) | |
H9A | 0.8550 | 0.5408 | 0.1181 | 0.059* | |
H9B | 1.0355 | 0.4141 | 0.1876 | 0.059* | |
C10 | 0.9801 (6) | 0.2599 (5) | 0.0927 (2) | 0.0743 (9) | |
H10 | 0.8740 | 0.2392 | 0.0646 | 0.089* | |
C11 | 1.1737 (7) | 0.1513 (6) | 0.0701 (3) | 0.1111 (16) | |
H11A | 1.2845 | 0.1674 | 0.0967 | 0.133* | |
H11B | 1.2038 | 0.0562 | 0.0272 | 0.133* | |
N1 | 0.7483 (3) | 0.3913 (3) | 0.24437 (13) | 0.0382 (4) | |
O1 | 0.9933 (2) | 0.2023 (3) | 0.35541 (13) | 0.0515 (4) | |
S1 | 0.19548 (9) | 0.27676 (9) | 0.57905 (5) | 0.04606 (16) | |
S2 | 0.38596 (8) | 0.41472 (8) | 0.35129 (4) | 0.03895 (14) | |
S3 | 0.41977 (12) | 0.59688 (12) | 0.13403 (5) | 0.0646 (2) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.0437 (13) | 0.0519 (14) | 0.0552 (15) | −0.0171 (11) | 0.0135 (11) | −0.0117 (11) |
C2 | 0.0583 (15) | 0.0566 (14) | 0.0374 (12) | −0.0213 (12) | 0.0061 (11) | −0.0020 (10) |
C3 | 0.0425 (12) | 0.0437 (12) | 0.0389 (11) | −0.0123 (10) | −0.0042 (9) | −0.0028 (9) |
C4 | 0.0343 (10) | 0.0315 (10) | 0.0392 (11) | −0.0108 (8) | −0.0029 (8) | −0.0065 (8) |
C5 | 0.0316 (10) | 0.0343 (10) | 0.0406 (11) | −0.0101 (8) | −0.0032 (8) | −0.0054 (8) |
C6 | 0.0304 (9) | 0.0340 (10) | 0.0377 (10) | −0.0111 (8) | −0.0022 (8) | −0.0060 (8) |
C7 | 0.0337 (10) | 0.0393 (11) | 0.0389 (11) | −0.0156 (9) | −0.0002 (8) | −0.0077 (9) |
C8 | 0.0402 (11) | 0.0412 (11) | 0.0394 (11) | −0.0151 (9) | −0.0030 (9) | −0.0063 (9) |
C9 | 0.0447 (13) | 0.0555 (14) | 0.0469 (13) | −0.0242 (11) | 0.0066 (10) | −0.0024 (10) |
C10 | 0.084 (2) | 0.086 (2) | 0.0568 (17) | −0.0438 (19) | 0.0266 (15) | −0.0216 (15) |
C11 | 0.133 (4) | 0.086 (3) | 0.067 (2) | 0.002 (2) | 0.025 (2) | −0.0083 (19) |
N1 | 0.0360 (9) | 0.0424 (9) | 0.0370 (9) | −0.0165 (8) | 0.0006 (7) | −0.0051 (7) |
O1 | 0.0298 (8) | 0.0662 (11) | 0.0532 (10) | −0.0130 (7) | −0.0035 (7) | −0.0032 (8) |
S1 | 0.0340 (3) | 0.0453 (3) | 0.0515 (3) | −0.0083 (2) | −0.0008 (2) | −0.0031 (2) |
S2 | 0.0291 (2) | 0.0432 (3) | 0.0410 (3) | −0.0101 (2) | −0.0029 (2) | −0.0024 (2) |
S3 | 0.0557 (4) | 0.0842 (5) | 0.0448 (4) | −0.0184 (4) | −0.0133 (3) | 0.0101 (3) |
C1—C2 | 1.347 (4) | C7—O1 | 1.208 (2) |
C1—S1 | 1.701 (3) | C7—N1 | 1.400 (3) |
C1—H1 | 0.9300 | C8—N1 | 1.364 (3) |
C2—C3 | 1.405 (3) | C8—S3 | 1.638 (2) |
C2—H2 | 0.9300 | C8—S2 | 1.743 (2) |
C3—C4 | 1.377 (3) | C9—C10 | 1.468 (4) |
C3—H3 | 0.9300 | C9—N1 | 1.468 (3) |
C4—C5 | 1.433 (3) | C9—H9A | 0.9700 |
C4—S1 | 1.729 (2) | C9—H9B | 0.9700 |
C5—C6 | 1.344 (3) | C10—C11 | 1.278 (5) |
C5—H5 | 0.9300 | C10—H10 | 0.9300 |
C6—C7 | 1.473 (3) | C11—H11A | 0.9300 |
C6—S2 | 1.749 (2) | C11—H11B | 0.9300 |
C2—C1—S1 | 112.36 (18) | N1—C8—S3 | 126.87 (17) |
C2—C1—H1 | 123.8 | N1—C8—S2 | 110.96 (16) |
S1—C1—H1 | 123.8 | S3—C8—S2 | 122.17 (13) |
C1—C2—C3 | 113.0 (2) | C10—C9—N1 | 113.0 (2) |
C1—C2—H2 | 123.5 | C10—C9—H9A | 109.0 |
C3—C2—H2 | 123.5 | N1—C9—H9A | 109.0 |
C4—C3—C2 | 112.6 (2) | C10—C9—H9B | 109.0 |
C4—C3—H3 | 123.7 | N1—C9—H9B | 109.0 |
C2—C3—H3 | 123.7 | H9A—C9—H9B | 107.8 |
C3—C4—C5 | 124.61 (19) | C11—C10—C9 | 125.3 (4) |
C3—C4—S1 | 110.43 (16) | C11—C10—H10 | 117.4 |
C5—C4—S1 | 124.96 (16) | C9—C10—H10 | 117.4 |
C6—C5—C4 | 129.47 (19) | C10—C11—H11A | 120.0 |
C6—C5—H5 | 115.3 | C10—C11—H11B | 120.0 |
C4—C5—H5 | 115.3 | H11A—C11—H11B | 120.0 |
C5—C6—C7 | 121.35 (19) | C8—N1—C7 | 116.63 (17) |
C5—C6—S2 | 128.78 (16) | C8—N1—C9 | 122.99 (19) |
C7—C6—S2 | 109.86 (15) | C7—N1—C9 | 120.37 (18) |
O1—C7—N1 | 123.06 (19) | C1—S1—C4 | 91.64 (11) |
O1—C7—C6 | 126.9 (2) | C8—S2—C6 | 92.49 (10) |
N1—C7—C6 | 110.02 (17) |
D—H···A | D—H | H···A | D···A | D—H···A |
C3—H3···O1i | 0.93 | 2.54 | 3.304 (3) | 140 |
Symmetry code: (i) −x+2, −y, −z+1. |
D—H···A | D—H | H···A | D···A | D—H···A |
C3—H3···O1i | 0.93 | 2.54 | 3.304 (3) | 139.7 |
Symmetry code: (i) −x+2, −y, −z+1. |
Acknowledgements
The authors thank the Unit of Support for Technical and Scientific Research (UATRS, CNRST) for the X-ray measurements and the University Sultan Moulay Slimane, Beni-Mellal, Morocco, for financial support.
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Rhodanine (2-thioxo-1,3-thiazolidin-4-one) is the key structural feature of a very important group of heterocyclic compounds for drug discovery programs. Arylidene derivatives of rhodanine have attracted great interest for synthetic organic chemists due to the broad biological activities of this class of compounds including antimicrobial (Sortino et al.; 2007, Hu et al., 2004), anti-inflammatory (Nasr & Said, 2003; Johnson et al. 2001), and antifungal (Sortino et al., 2007; Insuasty et al., 2010) properties. Additionally, rhodanine derivatives may potentially be used in the treatment of diabetes, obesity, Alzheimer's disease, cystic fibrosis, thrombocytopenia, cancer, sleep, mood and central nervous system disorders as well as chronic inflammation (Tomasic & Masic, 2009).
The two five-membered rings (C1–C4, S1 and C6– C8, N1, S2) forming the molecule are almost coplanar, with a maximum deviation of -0.023 (2) Å for C7 (Fig.1). The allyl group is oriented perpendicular to the mean plane through the thioxothiazolidine cycle as indicated by the torsion angle C10–C9–N1–C7 of 90.2 (3)°.
The cohesion of the crystal structure is ensured by C3–H3···O1 hydrogen bonds between molecules forming a dimers and π–π interactions between heterocycles [intercentroid distance = 3.69 (2) Å], forming a three-dimensional network as shown in Fig.2 and Table 1.