organic compounds
7-Benzenesulfonamido-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]octa-2-ene-2-carboxylic acid monohydrate
aMaterials Chemistry Laboratory, Department of Chemistry, Government College University, Lahore 54000, Pakistan, bDepartment of Physics, Faculty of Arts and Sciences, Erciyes University, 38039 Kayseri, Turkey, cPharmagen Ltd, Lahore 54000, Pakistan, and dPharmagen Ltd., Lahore 54000, Pakistan
*Correspondence e-mail: akkurt@erciyes.edu.tr
In the title compound, C14H14N2O5S2·H2O, the six-membered ring fused to the β-lactam unit has a twisted conformation. Weak intramolecular N—H⋯S and C—H⋯O interactions occur. Intermolecular C—H⋯S, N—H⋯O, C—H⋯O and O—H⋯O hydrogen-bonding interactions stabilize the forming a three-dimensional network. Weak C—H⋯π interactions are also present.
Related literature
For the production of 7-amino-deacetoxycephalosporanic acid-like components by direct et al. (2000). For 7-benzenesulfonamido-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid methanol solvate, see: Mariam et al. (2009). For structures with the β-lactam unit, see: Akkurt et al. (2008a,b,c); Baktır et al. (2009); Pınar et al. (2006); Yalçın et al. (2009); Çelik et al. (2009a,b). For puckering parameters, see: Cremer & Pople (1975).
see: SchroenExperimental
Crystal data
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Data collection
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Data collection: APEX2 (Bruker, 2007); cell SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SIR97 (Altomare et al., 1999); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999) and PLATON (Spek, 2009).
Supporting information
10.1107/S1600536809051769/vm2014sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536809051769/vm2014Isup2.hkl
7-ADCA (1 g, 4.7 mmol) was dissolved in distilled water (20 ml) in a round bottom flask (50 ml). Na2CO3 (3M) solution was added to maintain the solution at pH 8–9, then benzene sulfonyl chloride (0.82 g, 4.7 mmol) was added dropwise to the solution and stirred at room temperature. As all benzene sulfonyl chloride was consumed, pH becomes stable at 8–9, which confirms the completion of reaction. Then pH was adjusted to 1–2, by using 3 N HCl. The precipitate obtained was filtered, washed with distilled water, dried and recrystalized in ethyl acetate. Light yellow prisms of (I) appeared after two days.
The H atoms of the water molecule were located in difference Fourier maps and were refined with O—H distances restrained to 0.83 (1) Å and H···H distances restrained to 1.30 (1) Å, with displacement parameters fixed at 1.5 times Ueq of the parent O atoms. H atom on O1 was calculated and refined with a riding model [O—H = 0.82Å and Uiso(H) = 1.5Ueq(O)]. The other H atoms were placed geometrically, with N—H = 0.86 Å, C—H = 0.96–0.98 Å, and included in the
using a riding model, with Uiso(H) = 1.2 or 1.5Ueq(parent atom).Data collection: APEX2 (Bruker, 2007); cell
SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); program(s) used to solve structure: SIR97 (Altomare et al., 1999); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999) and PLATON (Spek, 2009).Fig. 1. The title molecule with the atom numbering scheme. Displacement ellipsoids for non-H atoms are drawn at the 30% probability level. | |
Fig. 2. The packing and hydrogen bonding of the title compound viewed down a axis. Hydrogen atoms not involved in hydrogen bonding have been omitted for clarity. |
C14H14N2O5S2·H2O | F(000) = 776 |
Mr = 372.43 | Dx = 1.426 Mg m−3 |
Orthorhombic, P212121 | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: P 2ac 2ab | Cell parameters from 1402 reflections |
a = 5.9535 (7) Å | θ = 2.8–17.3° |
b = 15.8248 (19) Å | µ = 0.34 mm−1 |
c = 18.411 (2) Å | T = 296 K |
V = 1734.6 (3) Å3 | Prismatic, light yellow |
Z = 4 | 0.20 × 0.20 × 0.20 mm |
Bruker Kappa APEXII CCD area-detector diffractometer | 1890 reflections with I > 2σ(I) |
Radiation source: sealed tube | Rint = 0.064 |
Graphite monochromator | θmax = 26.8°, θmin = 2.6° |
ϕ and ω scans | h = −4→7 |
10847 measured reflections | k = −12→20 |
3572 independent reflections | l = −15→23 |
Refinement on F2 | Hydrogen site location: inferred from neighbouring sites |
Least-squares matrix: full | H atoms treated by a mixture of independent and constrained refinement |
R[F2 > 2σ(F2)] = 0.055 | w = 1/[σ2(Fo2) + (0.0407P)2] where P = (Fo2 + 2Fc2)/3 |
wR(F2) = 0.109 | (Δ/σ)max < 0.001 |
S = 0.97 | Δρmax = 0.20 e Å−3 |
3572 reflections | Δρmin = −0.25 e Å−3 |
226 parameters | Extinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
3 restraints | Extinction coefficient: 0.0083 (10) |
Primary atom site location: structure-invariant direct methods | Absolute structure: Flack (1983), 1425 Friedel pairs |
Secondary atom site location: difference Fourier map | Absolute structure parameter: −0.07 (11) |
C14H14N2O5S2·H2O | V = 1734.6 (3) Å3 |
Mr = 372.43 | Z = 4 |
Orthorhombic, P212121 | Mo Kα radiation |
a = 5.9535 (7) Å | µ = 0.34 mm−1 |
b = 15.8248 (19) Å | T = 296 K |
c = 18.411 (2) Å | 0.20 × 0.20 × 0.20 mm |
Bruker Kappa APEXII CCD area-detector diffractometer | 1890 reflections with I > 2σ(I) |
10847 measured reflections | Rint = 0.064 |
3572 independent reflections |
R[F2 > 2σ(F2)] = 0.055 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.109 | Δρmax = 0.20 e Å−3 |
S = 0.97 | Δρmin = −0.25 e Å−3 |
3572 reflections | Absolute structure: Flack (1983), 1425 Friedel pairs |
226 parameters | Absolute structure parameter: −0.07 (11) |
3 restraints |
Geometry. Bond distances, angles etc. have been calculated using the rounded fractional coordinates. All su's are estimated from the variances of the (full) variance-covariance matrix. The cell e.s.d.'s are taken into account in the estimation of distances, angles and torsion angles |
Refinement. Refinement on F2 for ALL reflections except those flagged by the user for potential systematic errors. Weighted R-factors wR and all goodnesses of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The observed criterion of F2 > σ(F2) is used only for calculating -R-factor-obs 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 | 0.8308 (2) | 0.30975 (7) | 0.07531 (7) | 0.0628 (5) | |
S2 | 1.06325 (17) | 0.48679 (7) | −0.11299 (6) | 0.0452 (4) | |
O1 | 0.1740 (7) | 0.4774 (2) | 0.21094 (17) | 0.0880 (16) | |
O2 | 0.1461 (5) | 0.51706 (18) | 0.09585 (15) | 0.0573 (11) | |
O3 | 0.6341 (5) | 0.56743 (17) | 0.05463 (18) | 0.0719 (13) | |
O4 | 1.3013 (4) | 0.48188 (19) | −0.11039 (15) | 0.0595 (11) | |
O5 | 0.9420 (5) | 0.44363 (17) | −0.16919 (15) | 0.0554 (10) | |
N1 | 0.5130 (5) | 0.42642 (19) | 0.06042 (18) | 0.0410 (11) | |
N2 | 0.9775 (5) | 0.44881 (19) | −0.03638 (18) | 0.0447 (12) | |
C1 | 0.6086 (8) | 0.2712 (3) | 0.1326 (3) | 0.072 (2) | |
C2 | 0.4335 (7) | 0.3333 (3) | 0.1575 (2) | 0.0500 (17) | |
C3 | 0.2901 (9) | 0.2995 (3) | 0.2184 (2) | 0.077 (2) | |
C4 | 0.3988 (6) | 0.4074 (3) | 0.1247 (2) | 0.0427 (16) | |
C5 | 0.2262 (7) | 0.4725 (3) | 0.1418 (3) | 0.0507 (17) | |
C6 | 0.6407 (7) | 0.3665 (2) | 0.0176 (2) | 0.0500 (17) | |
C7 | 0.6267 (6) | 0.4950 (3) | 0.0341 (2) | 0.0480 (16) | |
C8 | 0.7372 (7) | 0.4416 (3) | −0.0250 (2) | 0.0470 (17) | |
C9 | 0.9814 (6) | 0.5938 (2) | −0.1135 (2) | 0.0430 (14) | |
C10 | 1.1108 (7) | 0.6515 (3) | −0.0765 (2) | 0.0587 (17) | |
C11 | 1.0450 (10) | 0.7349 (3) | −0.0734 (3) | 0.074 (2) | |
C12 | 0.8513 (10) | 0.7598 (3) | −0.1058 (3) | 0.069 (2) | |
C13 | 0.7206 (8) | 0.7021 (3) | −0.1421 (3) | 0.0683 (19) | |
C14 | 0.7853 (7) | 0.6178 (3) | −0.1457 (3) | 0.0577 (19) | |
OW1 | 0.8355 (9) | 0.5874 (3) | 0.2110 (3) | 0.128 (2) | |
H1 | 0.07960 | 0.51450 | 0.21690 | 0.1320* | |
H1A | 0.53260 | 0.22610 | 0.10690 | 0.0860* | |
H1B | 0.67690 | 0.24650 | 0.17550 | 0.0860* | |
H2 | 1.07130 | 0.43340 | −0.00340 | 0.0530* | |
H3A | 0.17150 | 0.33880 | 0.22870 | 0.1160* | |
H3B | 0.38080 | 0.29200 | 0.26100 | 0.1160* | |
H3C | 0.22680 | 0.24620 | 0.20430 | 0.1160* | |
H6 | 0.54600 | 0.32940 | −0.01210 | 0.0600* | |
H8 | 0.65710 | 0.44840 | −0.07110 | 0.0560* | |
H10 | 1.24240 | 0.63430 | −0.05370 | 0.0710* | |
H11 | 1.13350 | 0.77410 | −0.04910 | 0.0890* | |
H12 | 0.80690 | 0.81610 | −0.10330 | 0.0830* | |
H13 | 0.58820 | 0.71950 | −0.16430 | 0.0820* | |
H14 | 0.69620 | 0.57840 | −0.16970 | 0.0690* | |
HW1 | 0.706 (6) | 0.587 (5) | 0.228 (3) | 0.1920* | |
HW2 | 0.819 (12) | 0.614 (4) | 0.172 (2) | 0.1920* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0590 (8) | 0.0401 (6) | 0.0892 (10) | 0.0106 (6) | 0.0078 (8) | 0.0044 (6) |
S2 | 0.0366 (6) | 0.0512 (7) | 0.0479 (7) | 0.0031 (5) | 0.0001 (6) | 0.0012 (6) |
O1 | 0.104 (3) | 0.110 (3) | 0.050 (2) | 0.032 (3) | 0.014 (2) | −0.012 (2) |
O2 | 0.0538 (19) | 0.0611 (19) | 0.057 (2) | 0.0140 (18) | 0.0046 (17) | −0.0017 (17) |
O3 | 0.062 (2) | 0.0368 (17) | 0.117 (3) | 0.0035 (17) | 0.029 (2) | −0.0053 (18) |
O4 | 0.0328 (16) | 0.080 (2) | 0.0656 (19) | 0.0071 (16) | 0.0052 (15) | 0.0055 (18) |
O5 | 0.0591 (18) | 0.0585 (17) | 0.0485 (19) | −0.0021 (16) | −0.0076 (17) | −0.0051 (15) |
N1 | 0.0398 (19) | 0.0353 (18) | 0.048 (2) | 0.0017 (17) | 0.0067 (18) | −0.0016 (17) |
N2 | 0.029 (2) | 0.054 (2) | 0.051 (2) | 0.0090 (16) | 0.0011 (16) | 0.0119 (18) |
C1 | 0.077 (4) | 0.048 (3) | 0.091 (4) | −0.003 (3) | −0.002 (3) | 0.012 (3) |
C2 | 0.043 (3) | 0.057 (3) | 0.050 (3) | −0.010 (3) | 0.000 (2) | 0.007 (2) |
C3 | 0.080 (4) | 0.086 (4) | 0.066 (3) | −0.013 (3) | −0.005 (3) | 0.017 (3) |
C4 | 0.038 (2) | 0.050 (3) | 0.040 (3) | −0.005 (2) | −0.001 (2) | −0.002 (2) |
C5 | 0.040 (3) | 0.063 (3) | 0.049 (3) | −0.005 (2) | 0.004 (2) | −0.012 (3) |
C6 | 0.048 (3) | 0.046 (3) | 0.056 (3) | −0.010 (2) | 0.000 (2) | −0.011 (2) |
C7 | 0.041 (3) | 0.039 (2) | 0.064 (3) | 0.005 (2) | 0.003 (2) | 0.010 (2) |
C8 | 0.037 (3) | 0.054 (3) | 0.050 (3) | 0.006 (2) | −0.003 (2) | 0.004 (2) |
C9 | 0.037 (2) | 0.044 (2) | 0.048 (3) | −0.005 (2) | 0.004 (2) | 0.007 (2) |
C10 | 0.052 (3) | 0.058 (3) | 0.066 (3) | −0.005 (3) | −0.012 (3) | 0.001 (3) |
C11 | 0.094 (4) | 0.046 (3) | 0.083 (4) | −0.015 (3) | −0.020 (4) | −0.004 (3) |
C12 | 0.082 (4) | 0.044 (3) | 0.081 (4) | 0.001 (3) | 0.009 (4) | 0.000 (3) |
C13 | 0.053 (3) | 0.062 (3) | 0.090 (4) | 0.012 (3) | −0.012 (3) | 0.013 (3) |
C14 | 0.047 (3) | 0.048 (3) | 0.078 (4) | −0.004 (2) | −0.004 (3) | 0.002 (2) |
OW1 | 0.152 (4) | 0.104 (3) | 0.129 (4) | 0.035 (3) | 0.085 (4) | 0.000 (3) |
S1—C1 | 1.799 (5) | C6—C8 | 1.535 (6) |
S1—C6 | 1.793 (4) | C7—C8 | 1.527 (6) |
S2—O4 | 1.420 (3) | C9—C14 | 1.363 (6) |
S2—O5 | 1.435 (3) | C9—C10 | 1.375 (6) |
S2—N2 | 1.616 (3) | C10—C11 | 1.378 (7) |
S2—C9 | 1.762 (3) | C11—C12 | 1.357 (8) |
O1—C5 | 1.313 (6) | C12—C13 | 1.373 (7) |
O2—C5 | 1.200 (6) | C13—C14 | 1.390 (7) |
O3—C7 | 1.208 (5) | C1—H1B | 0.9700 |
O1—H1 | 0.8200 | C1—H1A | 0.9700 |
OW1—HW2 | 0.84 (5) | C3—H3C | 0.9600 |
OW1—HW1 | 0.83 (4) | C3—H3A | 0.9600 |
N1—C4 | 1.398 (5) | C3—H3B | 0.9600 |
N1—C7 | 1.368 (5) | C6—H6 | 0.9800 |
N1—C6 | 1.449 (5) | C8—H8 | 0.9800 |
N2—C8 | 1.450 (5) | C10—H10 | 0.9300 |
N2—H2 | 0.8600 | C11—H11 | 0.9300 |
C1—C2 | 1.504 (7) | C12—H12 | 0.9300 |
C2—C4 | 1.335 (6) | C13—H13 | 0.9300 |
C2—C3 | 1.507 (6) | C14—H14 | 0.9300 |
C4—C5 | 1.489 (6) | ||
S1···N2 | 3.136 (3) | C5···OW1iii | 3.216 (7) |
S1···C5i | 3.698 (5) | C7···O4iii | 3.297 (5) |
S1···H2 | 2.8200 | C7···O2i | 3.313 (5) |
S1···H6ii | 2.8000 | C7···O2 | 3.099 (5) |
O1···OW1iii | 2.663 (6) | C8···C14 | 3.577 (7) |
O1···C3 | 2.902 (6) | C8···O4iii | 3.100 (5) |
OW1···O2i | 3.025 (6) | C11···O3vii | 3.192 (6) |
OW1···O3 | 3.135 (6) | C12···O3vii | 3.346 (6) |
OW1···C5i | 3.216 (7) | C14···C8 | 3.577 (7) |
OW1···O5iv | 2.799 (6) | C4···H2iii | 3.0900 |
OW1···O1i | 2.663 (6) | C5···H3A | 2.6700 |
O2···N1 | 2.693 (4) | C5···H2iii | 2.8900 |
O2···C7iii | 3.313 (5) | C9···H3Bvi | 3.0500 |
O2···C7 | 3.099 (5) | C12···H3Bvi | 3.0400 |
O2···OW1iii | 3.025 (6) | C13···H3Bvi | 2.9700 |
O2···O3 | 3.107 (4) | C14···H3Bvi | 2.9900 |
O2···N2iii | 2.846 (4) | H1···HW2iii | 2.3600 |
O3···O2 | 3.107 (4) | H1···OW1iii | 1.8600 |
O3···OW1 | 3.135 (6) | H1···HW1iii | 2.5100 |
O3···C5 | 3.276 (6) | HW1···O5iv | 2.14 (5) |
O3···C12v | 3.346 (6) | HW1···H1i | 2.5100 |
O3···N2 | 3.242 (4) | H1A···H3C | 2.5800 |
O3···C11v | 3.192 (6) | H1B···H3B | 2.4700 |
O4···C7i | 3.297 (5) | H2···O2i | 2.3000 |
O4···C8i | 3.100 (5) | H2···N1i | 2.8800 |
O5···OW1vi | 2.799 (6) | H2···S1 | 2.8200 |
O1···H3A | 2.2200 | H2···C5i | 2.8900 |
OW1···H1i | 1.8600 | H2···C4i | 3.0900 |
O2···HW2iii | 2.85 (6) | HW2···O3 | 2.54 (5) |
O2···H2iii | 2.3000 | HW2···O2i | 2.85 (6) |
O2···H12v | 2.8100 | HW2···H1i | 2.3600 |
O3···HW2 | 2.54 (5) | H3A···O1 | 2.2200 |
O3···H12v | 2.8300 | H3A···C5 | 2.6700 |
O3···H11v | 2.5100 | H3B···C12iv | 3.0400 |
O4···H10 | 2.6500 | H3B···C14iv | 2.9900 |
O4···H8i | 2.3000 | H3B···C9iv | 3.0500 |
O5···HW1vi | 2.14 (5) | H3B···C13iv | 2.9700 |
O5···H14 | 2.5900 | H3B···H1B | 2.4700 |
O5···H8 | 2.4800 | H3C···H1A | 2.5800 |
N1···O2 | 2.693 (4) | H6···S1viii | 2.8000 |
N2···O2i | 2.846 (4) | H8···O5 | 2.4800 |
N2···S1 | 3.136 (3) | H8···O4iii | 2.3000 |
N2···O3 | 3.242 (4) | H10···O4 | 2.6500 |
N1···H2iii | 2.8800 | H11···O3vii | 2.5100 |
C3···O1 | 2.902 (6) | H12···O3vii | 2.8300 |
C5···O3 | 3.276 (6) | H12···O2vii | 2.8100 |
C5···S1iii | 3.698 (5) | H14···O5 | 2.5900 |
C1—S1—C6 | 93.1 (2) | S2—C9—C14 | 120.5 (3) |
O4—S2—O5 | 120.03 (18) | C10—C9—C14 | 120.7 (4) |
O4—S2—N2 | 105.40 (17) | C9—C10—C11 | 119.8 (4) |
O4—S2—C9 | 109.19 (18) | C10—C11—C12 | 120.1 (5) |
O5—S2—N2 | 107.07 (17) | C11—C12—C13 | 120.2 (5) |
O5—S2—C9 | 108.33 (17) | C12—C13—C14 | 120.3 (5) |
N2—S2—C9 | 105.95 (17) | C9—C14—C13 | 118.9 (4) |
C5—O1—H1 | 110.00 | S1—C1—H1A | 108.00 |
HW1—OW1—HW2 | 103 (6) | S1—C1—H1B | 108.00 |
C6—N1—C7 | 93.8 (3) | C2—C1—H1B | 108.00 |
C4—N1—C6 | 125.1 (3) | H1A—C1—H1B | 107.00 |
C4—N1—C7 | 135.4 (3) | C2—C1—H1A | 108.00 |
S2—N2—C8 | 117.8 (3) | C2—C3—H3B | 109.00 |
C8—N2—H2 | 121.00 | C2—C3—H3C | 109.00 |
S2—N2—H2 | 121.00 | H3A—C3—H3B | 109.00 |
S1—C1—C2 | 117.8 (3) | H3A—C3—H3C | 110.00 |
C1—C2—C4 | 122.9 (4) | H3B—C3—H3C | 109.00 |
C3—C2—C4 | 124.1 (4) | C2—C3—H3A | 109.00 |
C1—C2—C3 | 112.8 (4) | S1—C6—H6 | 113.00 |
N1—C4—C2 | 119.8 (4) | C8—C6—H6 | 113.00 |
N1—C4—C5 | 111.5 (4) | N1—C6—H6 | 113.00 |
C2—C4—C5 | 128.2 (4) | C6—C8—H8 | 110.00 |
O1—C5—C4 | 114.2 (4) | C7—C8—H8 | 110.00 |
O2—C5—C4 | 122.1 (5) | N2—C8—H8 | 110.00 |
O1—C5—O2 | 123.7 (4) | C11—C10—H10 | 120.00 |
S1—C6—N1 | 109.7 (3) | C9—C10—H10 | 120.00 |
S1—C6—C8 | 117.0 (3) | C10—C11—H11 | 120.00 |
N1—C6—C8 | 88.2 (3) | C12—C11—H11 | 120.00 |
N1—C7—C8 | 91.5 (3) | C13—C12—H12 | 120.00 |
O3—C7—N1 | 131.3 (4) | C11—C12—H12 | 120.00 |
O3—C7—C8 | 137.1 (4) | C12—C13—H13 | 120.00 |
N2—C8—C7 | 119.0 (3) | C14—C13—H13 | 120.00 |
C6—C8—C7 | 84.4 (3) | C9—C14—H14 | 121.00 |
N2—C8—C6 | 120.3 (4) | C13—C14—H14 | 121.00 |
S2—C9—C10 | 118.7 (3) | ||
C6—S1—C1—C2 | −46.4 (4) | S1—C1—C2—C3 | −166.4 (3) |
C1—S1—C6—N1 | 57.8 (3) | S1—C1—C2—C4 | 18.8 (6) |
C1—S1—C6—C8 | 156.1 (3) | C1—C2—C4—N1 | 6.2 (6) |
O4—S2—N2—C8 | −176.8 (3) | C1—C2—C4—C5 | 177.2 (4) |
O5—S2—N2—C8 | −47.9 (3) | C3—C2—C4—N1 | −168.1 (4) |
C9—S2—N2—C8 | 67.6 (3) | C3—C2—C4—C5 | 3.0 (7) |
O4—S2—C9—C10 | −32.7 (4) | N1—C4—C5—O1 | −155.7 (4) |
O4—S2—C9—C14 | 151.9 (4) | N1—C4—C5—O2 | 23.2 (6) |
O5—S2—C9—C10 | −165.0 (3) | C2—C4—C5—O1 | 32.6 (6) |
O5—S2—C9—C14 | 19.5 (4) | C2—C4—C5—O2 | −148.5 (5) |
N2—S2—C9—C10 | 80.4 (3) | S1—C6—C8—N2 | 19.3 (5) |
N2—S2—C9—C14 | −95.1 (4) | S1—C6—C8—C7 | −101.1 (3) |
C6—N1—C4—C2 | 11.5 (6) | N1—C6—C8—N2 | 130.5 (4) |
C6—N1—C4—C5 | −161.0 (4) | N1—C6—C8—C7 | 10.1 (3) |
C7—N1—C4—C2 | −134.5 (5) | O3—C7—C8—N2 | 45.1 (7) |
C7—N1—C4—C5 | 53.1 (6) | O3—C7—C8—C6 | 166.7 (5) |
C4—N1—C6—S1 | −49.9 (4) | N1—C7—C8—N2 | −132.3 (4) |
C4—N1—C6—C8 | −168.0 (3) | N1—C7—C8—C6 | −10.7 (3) |
C7—N1—C6—S1 | 106.9 (3) | S2—C9—C10—C11 | −177.2 (4) |
C7—N1—C6—C8 | −11.2 (3) | C14—C9—C10—C11 | −1.7 (6) |
C4—N1—C7—O3 | −13.7 (7) | S2—C9—C14—C13 | 177.0 (4) |
C4—N1—C7—C8 | 164.0 (4) | C10—C9—C14—C13 | 1.6 (7) |
C6—N1—C7—O3 | −166.4 (4) | C9—C10—C11—C12 | 1.0 (7) |
C6—N1—C7—C8 | 11.3 (3) | C10—C11—C12—C13 | −0.3 (8) |
S2—N2—C8—C6 | 143.8 (3) | C11—C12—C13—C14 | 0.2 (8) |
S2—N2—C8—C7 | −114.9 (3) | C12—C13—C14—C9 | −0.8 (8) |
Symmetry codes: (i) x+1, y, z; (ii) x+1/2, −y+1/2, −z; (iii) x−1, y, z; (iv) −x+3/2, −y+1, z+1/2; (v) x−1/2, −y+3/2, −z; (vi) −x+3/2, −y+1, z−1/2; (vii) x+1/2, −y+3/2, −z; (viii) x−1/2, −y+1/2, −z. |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···OW1iii | 0.82 | 1.86 | 2.663 (6) | 166 |
OW1—HW1···O5iv | 0.83 (4) | 2.14 (5) | 2.799 (6) | 136 (5) |
N2—H2···S1 | 0.86 | 2.82 | 3.136 (3) | 103 |
N2—H2···O2i | 0.86 | 2.30 | 2.846 (4) | 122 |
OW1—HW2···O3 | 0.84 (5) | 2.54 (5) | 3.135 (6) | 129 (5) |
C3—H3A···O1 | 0.96 | 2.22 | 2.902 (6) | 127 |
C6—H6···S1viii | 0.98 | 2.80 | 3.756 (4) | 165 |
C8—H8···O4iii | 0.98 | 2.30 | 3.100 (5) | 138 |
C8—H8···O5 | 0.98 | 2.48 | 2.922 (5) | 107 |
C11—H11···O3vii | 0.93 | 2.51 | 3.192 (6) | 130 |
C14—H14···O5 | 0.93 | 2.59 | 2.942 (5) | 103 |
C3—H3B···Cg3iv | 0.96 | 2.72 | 3.640 (5) | 161 |
Symmetry codes: (i) x+1, y, z; (iii) x−1, y, z; (iv) −x+3/2, −y+1, z+1/2; (vii) x+1/2, −y+3/2, −z; (viii) x−1/2, −y+1/2, −z. |
Experimental details
Crystal data | |
Chemical formula | C14H14N2O5S2·H2O |
Mr | 372.43 |
Crystal system, space group | Orthorhombic, P212121 |
Temperature (K) | 296 |
a, b, c (Å) | 5.9535 (7), 15.8248 (19), 18.411 (2) |
V (Å3) | 1734.6 (3) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.34 |
Crystal size (mm) | 0.20 × 0.20 × 0.20 |
Data collection | |
Diffractometer | Bruker Kappa APEXII CCD area-detector diffractometer |
Absorption correction | – |
No. of measured, independent and observed [I > 2σ(I)] reflections | 10847, 3572, 1890 |
Rint | 0.064 |
(sin θ/λ)max (Å−1) | 0.633 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.055, 0.109, 0.97 |
No. of reflections | 3572 |
No. of parameters | 226 |
No. of restraints | 3 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.20, −0.25 |
Absolute structure | Flack (1983), 1425 Friedel pairs |
Absolute structure parameter | −0.07 (11) |
Computer programs: APEX2 (Bruker, 2007), SAINT (Bruker, 2007), SIR97 (Altomare et al., 1999), SHELXL97 (Sheldrick, 2008), ORTEP-3 for Windows (Farrugia, 1997), WinGX (Farrugia, 1999) and PLATON (Spek, 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···OW1i | 0.8200 | 1.8600 | 2.663 (6) | 166.00 |
OW1—HW1···O5ii | 0.83 (4) | 2.14 (5) | 2.799 (6) | 136 (5) |
N2—H2···S1 | 0.8600 | 2.8200 | 3.136 (3) | 103.00 |
N2—H2···O2iii | 0.8600 | 2.3000 | 2.846 (4) | 122.00 |
OW1—HW2···O3 | 0.84 (5) | 2.54 (5) | 3.135 (6) | 129 (5) |
C3—H3A···O1 | 0.9600 | 2.2200 | 2.902 (6) | 127.00 |
C6—H6···S1iv | 0.9800 | 2.8000 | 3.756 (4) | 165.00 |
C8—H8···O4i | 0.9800 | 2.3000 | 3.100 (5) | 138.00 |
C8—H8···O5 | 0.9800 | 2.4800 | 2.922 (5) | 107.00 |
C11—H11···O3v | 0.9300 | 2.5100 | 3.192 (6) | 130.00 |
C14—H14···O5 | 0.9300 | 2.5900 | 2.942 (5) | 103.00 |
C3—H3B···Cg3ii | 0.96 | 2.72 | 3.640 (5) | 161 |
Symmetry codes: (i) x−1, y, z; (ii) −x+3/2, −y+1, z+1/2; (iii) x+1, y, z; (iv) x−1/2, −y+1/2, −z; (v) x+1/2, −y+3/2, −z. |
Footnotes
‡Additional correspondence author, e-mail: iukhan@gcu.edu.pk.
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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.
One of the building blocks of cephalosporin antibiotics is 7-amino-deacetoxycephalosporanic acid (7-ADCA). It is currently produced from penicillin G using an elaborate chemical ring-expansion step followed by an enzyme-catalyzed hydrolysis. However, 7-ADCA-like components can also be produced by direct fermentation (Schroen et al. 2000).
In the title molecule (I) shown in Fig. 1, the β-lactam unit (N1/C6–C8) has a twisted conformation with the dihedral angles of 164.7 (4)° and 164.7 (4)° between the planes N1 C6 C7 and C6 C8 C7 and the planes N1 C6 C8 and N1 C8 C7, respectively. The six-membered ring fused to the β-lactam unit, (N1/S1/C1/C2/C4/C6) is puckered with the puckering parameters (Cremer & Pople, 1975): QT = 0.618 (3) Å, θ = 54.2 (4) °, ϕ = 340.4 (5) °, respectively.
The crystal stucture is stabilized by intermolecular C—H···S, N—H···O, C—H···O and O—H···O hydrogen bonding interactions between symmetry-related molecules, forming a network in three dimensions (Table 1, Fig. 2). Furthermore, there is a weak C—H···π interaction [C3—H3B···Cg3(-x + 3/2, -y + 1, z + 1/2); H3B···Cg3 = 2.72 Å, C3···Cg3 = 3.640 (5) Å, C3—H3B···Cg3 = 161°, where Cg3 is a centroid of the phenyl ring C9–C14].