organic compounds\(\def\hfill{\hskip 5em}\def\hfil{\hskip 3em}\def\eqno#1{\hfil {#1}}\)

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 68| Part 3| March 2012| Pages o581-o582

Methyl N-({[2-(2-meth­­oxy­acetamido)-4-(phenyl­sulfan­yl)phen­yl]amino}[(meth­­oxy­carbonyl)imino]methyl)carbamate

aX-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia, bDepartment of Studies in Chemistry, Mangalore University, Mangalagangotri 574 199, India, and cDepartment of Chemistry, P. A. College of Engineering, Nadupadavu, Mangalore 574 153, India
*Correspondence e-mail: hkfun@usm.my

(Received 18 January 2012; accepted 22 January 2012; online 4 February 2012)

In the title compound, C20H22N4O6S, the phenyl and benzene rings form a dihedral angle of 58.75 (5)°. Intra­molecular N—H⋯O and N—H⋯N hydrogen bonds generate two S(6) and one S(7) ring motif, respectively. In the crystal, mol­ecules are linked via N—H⋯O, N—H⋯N, C—H⋯S and C—H⋯O hydrogen bonds, forming two-dimensional networks parallel to the bc plane.

Related literature

For the pharmacological properties of febantel, see: Wollweber et al. (1978[Wollweber, H., Kölling, H., Widdig, H., Thomas, H., Schulz, H.-P. & Mürmann, P. (1978). Arzneim Forsch. (Drug. Res.), 28, 2193-2195.]); Delatour et al. (1982[Delatour, P., Yoshimura, H., Garnier, F. & Benoit, E. (1982). Recl Med. Vet. 158, 369-373.]); Su et al. (2004[Su, S.-C., Chou, H.-H., Chang, P.-C., Liu, C.-H. & Chou, S.-S. (2004). J. Food Drug Anal. 12, 244-253.]). For a related structure, see: Yıldırım et al. (2007[Yıldırım, S. Ö., Akkurt, M., Jarrahpour, A. A., Rezaei, S. & Heinemann, F. W. (2007). Acta Cryst. E63, o3478-o3479.]). For hydrogen-bond motifs, see: Bernstein et al. (1995[Bernstein, J., Davis, R. E., Shimoni, L. & Chang, N.-L. (1995). Angew. Chem. Int. Ed. Engl. 34, 1555-1573.]). For bond-length data, see: Allen et al. (1987[Allen, F. H., Kennard, O., Watson, D. G., Brammer, L., Orpen, A. G. & Taylor, R. (1987). J. Chem. Soc. Perkin Trans. 2, pp. S1-19.]).

[Scheme 1]

Experimental

Crystal data
  • C20H22N4O6S

  • Mr = 446.48

  • Monoclinic, P 21 /c

  • a = 10.6975 (7) Å

  • b = 10.6921 (7) Å

  • c = 18.3732 (13) Å

  • β = 91.068 (1)°

  • V = 2101.1 (2) Å3

  • Z = 4

  • Mo Kα radiation

  • μ = 0.20 mm−1

  • T = 296 K

  • 0.54 × 0.34 × 0.29 mm

Data collection
  • Bruker APEXII DUO CCD area-detector diffractometer

  • Absorption correction: multi-scan (SADABS; Bruker, 2009[Bruker (2009). APEX2, SAINT and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.]) Tmin = 0.900, Tmax = 0.945

  • 22847 measured reflections

  • 6133 independent reflections

  • 5455 reflections with I > 2σ(I)

  • Rint = 0.023

Refinement
  • R[F2 > 2σ(F2)] = 0.033

  • wR(F2) = 0.097

  • S = 1.05

  • 6133 reflections

  • 295 parameters

  • H atoms treated by a mixture of independent and constrained refinement

  • Δρmax = 0.38 e Å−3

  • Δρmin = −0.35 e Å−3

Table 1
Hydrogen-bond geometry (Å, °)

D—H⋯A D—H H⋯A DA D—H⋯A
N4—H1N4⋯N3 0.867 (15) 2.104 (15) 2.8159 (12) 138.9 (13)
N1—H1N1⋯O1 0.848 (16) 2.058 (15) 2.7224 (11) 134.7 (13)
N1—H1N1⋯O5i 0.848 (16) 2.425 (16) 3.1162 (11) 139.2 (13)
N2—H1N2⋯O3 0.869 (16) 1.879 (17) 2.6002 (12) 139.3 (15)
C9—H9A⋯O3ii 0.96 2.38 3.2652 (15) 153
C13—H13A⋯S1iii 0.97 2.80 3.7678 (11) 179
C14—H14B⋯O1iv 0.96 2.52 3.3796 (14) 149
Symmetry codes: (i) -x+1, -y+2, -z+1; (ii) [-x+2, y+{\script{1\over 2}}, -z+{\script{3\over 2}}]; (iii) [x, -y+{\script{3\over 2}}, z+{\script{1\over 2}}]; (iv) x, y-1, z.

Data collection: APEX2 (Bruker, 2009[Bruker (2009). APEX2, SAINT and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.]); cell refinement: SAINT (Bruker, 2009[Bruker (2009). APEX2, SAINT and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.]); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL and PLATON (Spek, 2009[Spek, A. L. (2009). Acta Cryst. D65, 148-155.]).

Supporting information


Comment top

Febantel, N-{2-[2,3-bis-(methoxycarbonyl)-guanido]-5-(phenylthio)-phenyl}-2-methoxy acetamide, is used as an anthelmintic against gastrointestinal parasites in animals (Wollweber et al., 1978; Su et al., 2004). It is a pro-drug, which get converted into an active compound soon after administration (Delatour et al., 1982). The metabolic pathway of febantel is converted directly to either fenbendazole or oxfendazole, which is achieved via febantel sulfoxide as an intermediate.

The molecular structure of the title compound is shown in Fig. 1. Each of the two intramolecular N—H···O hydrogen bonds generates an S(6) ring motif and another intramolecular N—H···N hydrogen bond generates an S(7) ring motif (Bernstein et al., 1995). The dihedral angle between the two benzene rings (C1–C6:C15–C20) is 58.75 (5)°. The bond lengths (Allen et al., 1987) and angles are within normal ranges and are comparable to a related structure (Yıldırım et al., 2007).

In the crystal structure (Fig. 2), molecules are linked via N—H···O, N—H···N, C—H···S and C—H···O (Table 1) hydrogen bonds, forming two-dimensional networks parallel to the bc plane.

Related literature top

For the pharmacological properties of febantel, see: Wollweber et al. (1978); Delatour et al. (1982); Su et al. (2004). For a related structure, see: Yıldırım et al. (2007). For hydrogen-bond motifs, see: Bernstein et al. (1995). For bond-length data, see: Allen et al. (1987).

Experimental top

A febantel sample was obtained from CAD Pharma Ltd, Bangalore. Crystals of the title compound were obtained from ethanol by slow evaporation method (m.p. 392–395 K).

Refinement top

Atoms H1N1, H1N2 and H1N4 were located from a difference Fourier map and refined freely [N—H = 0.848 (16)–0.868 (17) Å]. The remaining H atoms were positioned geometrically [C—H = 0.93–0.97 Å] and were refined using a riding model, with Uiso(H) = 1.2 or 1.5Ueq(C). A rotating group model was applied to the methyl groups. One outliner, (011), was omitted in the final refinement.

Computing details top

Data collection: APEX2 (Bruker, 2009); cell refinement: 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).

Figures top
[Figure 1] Fig. 1. The asymmetric unit of the title compound, showing 30% probability displacement ellipsoids. Intramolecular hydrogen bonds shown by dashed lines.
[Figure 2] Fig. 2. The crystal packing of the title compound viewed along the a axis. H atoms not involved in intermolecular hydrogen bonds (dashed lines) are omitted.
Methyl N-({[2-(2-methoxyacetamido)-4- (phenylsulfanyl)phenyl]amino}[(methoxycarbonyl)imino]methyl)carbamate top
Crystal data top
C20H22N4O6SF(000) = 936
Mr = 446.48Dx = 1.411 Mg m3
Monoclinic, P21/cMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybcCell parameters from 9985 reflections
a = 10.6975 (7) Åθ = 2.7–30.1°
b = 10.6921 (7) ŵ = 0.20 mm1
c = 18.3732 (13) ÅT = 296 K
β = 91.068 (1)°Block, colourless
V = 2101.1 (2) Å30.54 × 0.34 × 0.29 mm
Z = 4
Data collection top
Bruker APEXII DUO CCD area-detector
diffractometer
6133 independent reflections
Radiation source: fine-focus sealed tube5455 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.023
ϕ and ω scansθmax = 30.1°, θmin = 1.9°
Absorption correction: multi-scan
(SADABS; Bruker, 2009)
h = 1515
Tmin = 0.900, Tmax = 0.945k = 1415
22847 measured reflectionsl = 2525
Refinement top
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.033Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.097H atoms treated by a mixture of independent and constrained refinement
S = 1.05 w = 1/[σ2(Fo2) + (0.0543P)2 + 0.5625P]
where P = (Fo2 + 2Fc2)/3
6133 reflections(Δ/σ)max = 0.001
295 parametersΔρmax = 0.38 e Å3
0 restraintsΔρmin = 0.35 e Å3
Crystal data top
C20H22N4O6SV = 2101.1 (2) Å3
Mr = 446.48Z = 4
Monoclinic, P21/cMo Kα radiation
a = 10.6975 (7) ŵ = 0.20 mm1
b = 10.6921 (7) ÅT = 296 K
c = 18.3732 (13) Å0.54 × 0.34 × 0.29 mm
β = 91.068 (1)°
Data collection top
Bruker APEXII DUO CCD area-detector
diffractometer
6133 independent reflections
Absorption correction: multi-scan
(SADABS; Bruker, 2009)
5455 reflections with I > 2σ(I)
Tmin = 0.900, Tmax = 0.945Rint = 0.023
22847 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0330 restraints
wR(F2) = 0.097H atoms treated by a mixture of independent and constrained refinement
S = 1.05Δρmax = 0.38 e Å3
6133 reflectionsΔρmin = 0.35 e Å3
295 parameters
Special details top

Geometry. All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s in distances, angles and torsion angles; correlations between s.u.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell s.u.'s is used for estimating s.u.'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 > 2σ(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
xyzUiso*/Ueq
S10.42127 (3)0.88419 (2)0.249402 (14)0.02036 (7)
O10.77450 (7)1.22767 (7)0.60941 (4)0.02052 (16)
O20.91564 (7)1.16372 (8)0.69502 (4)0.02151 (16)
O31.02647 (7)0.84660 (8)0.59724 (4)0.02269 (16)
O40.99201 (7)0.71932 (7)0.50204 (4)0.01985 (15)
O50.42655 (7)0.70638 (7)0.50505 (4)0.01913 (15)
O60.72299 (7)0.63922 (7)0.58737 (4)0.02042 (16)
N10.72953 (7)1.04818 (8)0.50714 (4)0.01405 (15)
N20.88185 (8)1.04196 (8)0.59968 (5)0.01607 (16)
N30.86819 (7)0.88433 (8)0.50935 (5)0.01461 (16)
N40.61754 (8)0.80419 (8)0.50169 (5)0.01422 (16)
C10.59824 (8)0.88924 (9)0.44371 (5)0.01307 (17)
C20.52211 (9)0.85788 (9)0.38387 (5)0.01432 (17)
H2A0.47860.78260.38350.017*
C30.51118 (9)0.93868 (9)0.32487 (5)0.01544 (18)
C40.57771 (9)1.05126 (10)0.32423 (5)0.01744 (19)
H4A0.57251.10400.28400.021*
C50.65156 (9)1.08331 (9)0.38420 (5)0.01613 (18)
H5A0.69491.15870.38430.019*
C60.66180 (8)1.00409 (9)0.44448 (5)0.01342 (17)
C70.82806 (8)0.99016 (9)0.53816 (5)0.01355 (17)
C80.84971 (9)1.15290 (10)0.63288 (5)0.01655 (18)
C90.89359 (11)1.27827 (12)0.73505 (7)0.0272 (2)
H9A0.93101.27180.78280.041*
H9B0.80521.29140.73920.041*
H9C0.92991.34740.70970.041*
C100.96600 (9)0.82134 (9)0.54164 (5)0.01516 (18)
C111.09167 (10)0.64191 (10)0.53104 (6)0.0216 (2)
H11A1.09890.56780.50190.032*
H11B1.07350.61890.58020.032*
H11C1.16890.68750.53030.032*
C120.53768 (9)0.71360 (9)0.52285 (5)0.01480 (17)
C130.59492 (9)0.61584 (10)0.57286 (6)0.0188 (2)
H13A0.55030.61500.61830.023*
H13B0.58570.53400.55060.023*
C140.77597 (11)0.54161 (11)0.63081 (6)0.0246 (2)
H14A0.86360.55700.63840.037*
H14B0.76460.46300.60630.037*
H14C0.73530.53900.67690.037*
C150.33882 (9)1.01680 (9)0.21622 (5)0.01638 (18)
C160.29868 (10)1.11434 (11)0.26040 (6)0.0221 (2)
H16A0.31881.11470.30990.026*
C170.22839 (11)1.21108 (11)0.22990 (7)0.0276 (2)
H17A0.20221.27650.25930.033*
C180.19673 (10)1.21137 (11)0.15617 (7)0.0252 (2)
H18A0.15021.27680.13620.030*
C190.23499 (9)1.11348 (10)0.11272 (6)0.0201 (2)
H19A0.21271.11240.06360.024*
C200.30667 (9)1.01637 (10)0.14207 (5)0.01720 (18)
H20A0.33310.95140.11240.021*
H1N40.6939 (14)0.7947 (14)0.5174 (8)0.026 (4)*
H1N10.7094 (14)1.1187 (15)0.5245 (8)0.024 (4)*
H1N20.9432 (15)0.9972 (16)0.6171 (9)0.032 (4)*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
S10.03029 (14)0.01510 (12)0.01531 (13)0.00098 (9)0.00951 (9)0.00060 (9)
O10.0204 (3)0.0201 (4)0.0209 (4)0.0025 (3)0.0047 (3)0.0038 (3)
O20.0242 (4)0.0229 (4)0.0172 (4)0.0013 (3)0.0074 (3)0.0051 (3)
O30.0247 (4)0.0224 (4)0.0206 (4)0.0052 (3)0.0102 (3)0.0019 (3)
O40.0179 (3)0.0178 (3)0.0236 (4)0.0047 (3)0.0061 (3)0.0035 (3)
O50.0155 (3)0.0220 (4)0.0199 (4)0.0032 (3)0.0014 (3)0.0031 (3)
O60.0190 (3)0.0193 (4)0.0227 (4)0.0005 (3)0.0054 (3)0.0077 (3)
N10.0145 (3)0.0132 (4)0.0144 (4)0.0004 (3)0.0033 (3)0.0013 (3)
N20.0169 (4)0.0161 (4)0.0150 (4)0.0008 (3)0.0050 (3)0.0008 (3)
N30.0136 (3)0.0148 (4)0.0153 (4)0.0004 (3)0.0029 (3)0.0000 (3)
N40.0137 (3)0.0146 (4)0.0142 (4)0.0011 (3)0.0032 (3)0.0035 (3)
C10.0130 (4)0.0134 (4)0.0127 (4)0.0007 (3)0.0009 (3)0.0016 (3)
C20.0150 (4)0.0139 (4)0.0140 (4)0.0010 (3)0.0017 (3)0.0003 (3)
C30.0174 (4)0.0157 (4)0.0131 (4)0.0002 (3)0.0031 (3)0.0003 (3)
C40.0214 (4)0.0167 (4)0.0141 (4)0.0013 (3)0.0031 (3)0.0034 (3)
C50.0177 (4)0.0139 (4)0.0167 (4)0.0017 (3)0.0020 (3)0.0015 (3)
C60.0127 (4)0.0140 (4)0.0134 (4)0.0008 (3)0.0020 (3)0.0004 (3)
C70.0131 (4)0.0145 (4)0.0130 (4)0.0024 (3)0.0011 (3)0.0018 (3)
C80.0159 (4)0.0187 (4)0.0150 (4)0.0031 (3)0.0018 (3)0.0013 (4)
C90.0285 (5)0.0294 (6)0.0234 (5)0.0021 (4)0.0071 (4)0.0124 (5)
C100.0141 (4)0.0151 (4)0.0162 (4)0.0011 (3)0.0011 (3)0.0015 (3)
C110.0178 (4)0.0182 (5)0.0287 (6)0.0046 (4)0.0034 (4)0.0016 (4)
C120.0178 (4)0.0139 (4)0.0127 (4)0.0013 (3)0.0003 (3)0.0005 (3)
C130.0197 (4)0.0176 (5)0.0189 (5)0.0037 (3)0.0035 (3)0.0052 (4)
C140.0290 (5)0.0211 (5)0.0236 (5)0.0070 (4)0.0038 (4)0.0050 (4)
C150.0159 (4)0.0175 (4)0.0156 (4)0.0018 (3)0.0024 (3)0.0016 (3)
C160.0223 (5)0.0263 (5)0.0176 (5)0.0002 (4)0.0012 (4)0.0036 (4)
C170.0246 (5)0.0254 (5)0.0328 (6)0.0050 (4)0.0005 (4)0.0077 (5)
C180.0192 (5)0.0223 (5)0.0338 (6)0.0023 (4)0.0049 (4)0.0036 (4)
C190.0171 (4)0.0236 (5)0.0195 (5)0.0022 (4)0.0049 (3)0.0055 (4)
C200.0166 (4)0.0194 (5)0.0156 (4)0.0014 (3)0.0024 (3)0.0004 (4)
Geometric parameters (Å, º) top
S1—C31.7712 (10)C4—C51.3868 (14)
S1—C151.7720 (10)C4—H4A0.9300
O1—C81.2081 (13)C5—C61.3971 (13)
O2—C81.3357 (12)C5—H5A0.9300
O2—C91.4502 (14)C9—H9A0.9600
O3—C101.2289 (12)C9—H9B0.9600
O4—C101.3433 (12)C9—H9C0.9600
O4—C111.4438 (12)C11—H11A0.9600
O5—C121.2296 (12)C11—H11B0.9600
O6—C131.4132 (12)C11—H11C0.9600
O6—C141.4249 (13)C12—C131.5136 (14)
N1—C71.3410 (12)C13—H13A0.9700
N1—C61.4288 (12)C13—H13B0.9700
N1—H1N10.848 (16)C14—H14A0.9600
N2—C71.3752 (12)C14—H14B0.9600
N2—C81.3803 (13)C14—H14C0.9600
N2—H1N20.868 (17)C15—C161.3943 (15)
N3—C71.3241 (12)C15—C201.3989 (14)
N3—C101.3702 (12)C16—C171.3905 (16)
N4—C121.3533 (12)C16—H16A0.9300
N4—C11.4129 (12)C17—C181.3903 (17)
N4—H1N40.867 (15)C17—H17A0.9300
C1—C21.3968 (13)C18—C191.3830 (17)
C1—C61.4036 (13)C18—H18A0.9300
C2—C31.3894 (13)C19—C201.3933 (14)
C2—H2A0.9300C19—H19A0.9300
C3—C41.3986 (14)C20—H20A0.9300
C3—S1—C15105.41 (5)H9B—C9—H9C109.5
C8—O2—C9114.73 (9)O3—C10—O4121.17 (9)
C10—O4—C11115.12 (8)O3—C10—N3129.63 (9)
C13—O6—C14110.50 (8)O4—C10—N3109.19 (8)
C7—N1—C6124.93 (8)O4—C11—H11A109.5
C7—N1—H1N1117.1 (10)O4—C11—H11B109.5
C6—N1—H1N1117.9 (10)H11A—C11—H11B109.5
C7—N2—C8127.26 (9)O4—C11—H11C109.5
C7—N2—H1N2112.4 (11)H11A—C11—H11C109.5
C8—N2—H1N2120.3 (11)H11B—C11—H11C109.5
C7—N3—C10119.84 (8)O5—C12—N4125.52 (9)
C12—N4—C1126.38 (8)O5—C12—C13119.76 (9)
C12—N4—H1N4114.6 (10)N4—C12—C13114.73 (8)
C1—N4—H1N4116.7 (10)O6—C13—C12111.85 (8)
C2—C1—C6119.55 (9)O6—C13—H13A109.2
C2—C1—N4120.92 (8)C12—C13—H13A109.2
C6—C1—N4119.44 (8)O6—C13—H13B109.2
C3—C2—C1120.28 (9)C12—C13—H13B109.2
C3—C2—H2A119.9H13A—C13—H13B107.9
C1—C2—H2A119.9O6—C14—H14A109.5
C2—C3—C4120.42 (9)O6—C14—H14B109.5
C2—C3—S1116.29 (7)H14A—C14—H14B109.5
C4—C3—S1123.06 (8)O6—C14—H14C109.5
C5—C4—C3119.24 (9)H14A—C14—H14C109.5
C5—C4—H4A120.4H14B—C14—H14C109.5
C3—C4—H4A120.4C16—C15—C20119.78 (9)
C4—C5—C6121.01 (9)C16—C15—S1123.70 (8)
C4—C5—H5A119.5C20—C15—S1116.38 (8)
C6—C5—H5A119.5C17—C16—C15119.46 (10)
C5—C6—C1119.45 (9)C17—C16—H16A120.3
C5—C6—N1118.02 (8)C15—C16—H16A120.3
C1—C6—N1122.35 (9)C18—C17—C16120.96 (11)
N3—C7—N1118.91 (9)C18—C17—H17A119.5
N3—C7—N2122.61 (9)C16—C17—H17A119.5
N1—C7—N2118.46 (9)C19—C18—C17119.43 (10)
O1—C8—O2125.82 (10)C19—C18—H18A120.3
O1—C8—N2125.50 (9)C17—C18—H18A120.3
O2—C8—N2108.68 (9)C18—C19—C20120.48 (10)
O2—C9—H9A109.5C18—C19—H19A119.8
O2—C9—H9B109.5C20—C19—H19A119.8
H9A—C9—H9B109.5C19—C20—C15119.87 (10)
O2—C9—H9C109.5C19—C20—H20A120.1
H9A—C9—H9C109.5C15—C20—H20A120.1
C12—N4—C1—C227.56 (14)C8—N2—C7—N13.23 (15)
C12—N4—C1—C6155.89 (9)C9—O2—C8—O11.40 (15)
C6—C1—C2—C31.22 (14)C9—O2—C8—N2178.50 (9)
N4—C1—C2—C3175.32 (9)C7—N2—C8—O16.22 (17)
C1—C2—C3—C41.01 (15)C7—N2—C8—O2173.88 (9)
C1—C2—C3—S1175.56 (7)C11—O4—C10—O31.94 (14)
C15—S1—C3—C2142.14 (8)C11—O4—C10—N3178.42 (8)
C15—S1—C3—C443.47 (10)C7—N3—C10—O31.18 (16)
C2—C3—C4—C52.11 (15)C7—N3—C10—O4178.42 (8)
S1—C3—C4—C5176.27 (8)C1—N4—C12—O515.45 (16)
C3—C4—C5—C60.98 (15)C1—N4—C12—C13164.86 (9)
C4—C5—C6—C11.23 (14)C14—O6—C13—C12176.40 (9)
C4—C5—C6—N1174.02 (9)O5—C12—C13—O6179.96 (9)
C2—C1—C6—C52.32 (14)N4—C12—C13—O60.25 (13)
N4—C1—C6—C5174.27 (9)C3—S1—C15—C1631.93 (10)
C2—C1—C6—N1172.71 (8)C3—S1—C15—C20152.41 (8)
N4—C1—C6—N110.69 (13)C20—C15—C16—C170.84 (16)
C7—N1—C6—C5123.35 (10)S1—C15—C16—C17176.36 (9)
C7—N1—C6—C161.54 (13)C15—C16—C17—C180.54 (17)
C10—N3—C7—N1177.78 (8)C16—C17—C18—C190.49 (18)
C10—N3—C7—N20.88 (14)C17—C18—C19—C201.21 (16)
C6—N1—C7—N30.55 (14)C18—C19—C20—C150.90 (15)
C6—N1—C7—N2178.17 (8)C16—C15—C20—C190.14 (15)
C8—N2—C7—N3178.10 (9)S1—C15—C20—C19175.98 (8)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N4—H1N4···N30.867 (15)2.104 (15)2.8159 (12)138.9 (13)
N1—H1N1···O10.848 (16)2.058 (15)2.7224 (11)134.7 (13)
N1—H1N1···O5i0.848 (16)2.425 (16)3.1162 (11)139.2 (13)
N2—H1N2···O30.869 (16)1.879 (17)2.6002 (12)139.3 (15)
C9—H9A···O3ii0.962.383.2652 (15)153
C13—H13A···S1iii0.972.803.7678 (11)179
C14—H14B···O1iv0.962.523.3796 (14)149
Symmetry codes: (i) x+1, y+2, z+1; (ii) x+2, y+1/2, z+3/2; (iii) x, y+3/2, z+1/2; (iv) x, y1, z.

Experimental details

Crystal data
Chemical formulaC20H22N4O6S
Mr446.48
Crystal system, space groupMonoclinic, P21/c
Temperature (K)296
a, b, c (Å)10.6975 (7), 10.6921 (7), 18.3732 (13)
β (°) 91.068 (1)
V3)2101.1 (2)
Z4
Radiation typeMo Kα
µ (mm1)0.20
Crystal size (mm)0.54 × 0.34 × 0.29
Data collection
DiffractometerBruker APEXII DUO CCD area-detector
diffractometer
Absorption correctionMulti-scan
(SADABS; Bruker, 2009)
Tmin, Tmax0.900, 0.945
No. of measured, independent and
observed [I > 2σ(I)] reflections
22847, 6133, 5455
Rint0.023
(sin θ/λ)max1)0.705
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.033, 0.097, 1.05
No. of reflections6133
No. of parameters295
H-atom treatmentH atoms treated by a mixture of independent and constrained refinement
Δρmax, Δρmin (e Å3)0.38, 0.35

Computer programs: APEX2 (Bruker, 2009), SAINT (Bruker, 2009), SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009).

Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N4—H1N4···N30.867 (15)2.104 (15)2.8159 (12)138.9 (13)
N1—H1N1···O10.848 (16)2.058 (15)2.7224 (11)134.7 (13)
N1—H1N1···O5i0.848 (16)2.425 (16)3.1162 (11)139.2 (13)
N2—H1N2···O30.869 (16)1.879 (17)2.6002 (12)139.3 (15)
C9—H9A···O3ii0.96002.38003.2652 (15)153.00
C13—H13A···S1iii0.97002.80003.7678 (11)179.00
C14—H14B···O1iv0.96002.52003.3796 (14)149.00
Symmetry codes: (i) x+1, y+2, z+1; (ii) x+2, y+1/2, z+3/2; (iii) x, y+3/2, z+1/2; (iv) x, y1, z.
 

Footnotes

Thomson Reuters ResearcherID: A-3561-2009.

Acknowledgements

HKF and MH thank the Malaysian Government and Universiti Sains Malaysia for Research University grant No. 1001/PFIZIK/811160. MH also thanks Universiti Sains Malaysia for a postdoctoral research fellowship. BN thanks the UGC, India, for financial assistance through SAP and a BSR one-time grant for the purchase of chemicals.

References

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Volume 68| Part 3| March 2012| Pages o581-o582
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