organic compounds
2-(3-Oxo-2,3-dihydro-1,2-benzothiazol-2-yl)acetic acid
aInstitute of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650093, People's Republic of China, bCollege of Materials and Chemical Engineering, Hainan University, Haikou 570228, People's Republic of China, and cCollege of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571100, People's Republic of China
*Correspondence e-mail: linqianggroup@163.com
In the title compound, C9H7NO3S, the benzoisothiazolone ring system is essentially planar, with a maximum deviation of 0.013 (2) Å. In the crystal, molecules are linked via O—H⋯O hydrogen bonds, forming chains along [010]. In addition, weak intermolecular C—H⋯O hydrogen bonds are present.
Related literature
For background to the sythesis of benzisothiazolone derivatives, see: Davis (1972); Maggiali et al. (1982, 1983), Elgazwy & Abdel-Sattar (2003). For details of their biological activity, see: Taubert et al. (2002); Mor et al. (1996). For related structures, see: Xu et al. (2006), Wang et al. (2011a,b,c).
Experimental
Crystal data
|
Data collection: CrystalClear (Rigaku, 2008); cell CrystalClear; data reduction: CrystalClear; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008) and DIAMOND (Brandenburg, 1999); software used to prepare material for publication: SHELXTL and publCIF (Westrip, 2010).
Supporting information
https://doi.org/10.1107/S1600536811047490/lh5367sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536811047490/lh5367Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S1600536811047490/lh5367Isup3.cml
Chloroactic acid (0.95 g, 0.01 mol) was added dropwise to a solution of sodium hydroxide (0.80 g, 0.02 mol) and benzo[d]isothiazol-3(2H)-one (1.50 g, 0.01 mol)in water (20 ml) under stirring on an ice-water bath. The reaction mixture was stirred at room temperature for 4.5 h and adjusted pH to 1~2, to afford the title compound (1.05 g, yield 50.0%). Single crystals suitable for X-ray measurements were obtained by recrystallization of the title compound from the mixed solution of dimethyl formamide and water at room temperature.
Atom H3O was located from the difference Fourier map and was refined freely [O–H = 0.86 (3) Å]. The remaining H atoms bonded to C atoms were fixed geometrically and allowed to ride on their attached atoms, with the carrier atom-H distances = 0.95 Å for aryl, 0.99 for methylene, and Uiso(H) = 1.2Ueq(C).
2-(3-Oxobenzo[d]isothiazol-2(3H)-yl)acetic acid is an important intermediate in the synthesis of benzisothiazolone derivatives (Davis, 1972; Maggiali, et al., 1982,1983; Elgazwy & Abdel-Sattar, 2003). The corresponding
and have been reported to possess high antibacterial and antifungal activity (Mor et al., 1996; Taubert et al., 2002). In view of the importance of 1,2-benzisothiazol-3(2H)-ones, the title compound, (I), was synthesized and its is presented herein.The molecular structure of the title compound (I) is shown in Fig. 1. Examples of related structures appear in the literature (Xu, et al., 2006; Wang, et al., 2011a,b,c). In (I) the benzoisothiazolone ring system is essentially planar, with a maximum deviation of 0.013 (2) Å. In the crystal, molecules are linked via O—H···O hydrogen bonds to form one-dimensional chains along [010]. In addition weak intermolecular C—H···O hydrogen bonds are present.
For background to the sythesis of benzisothiazolone derivatives, see: Davis (1972); Maggiali et al. (1982, 1983), Elgazwy & Abdel-Sattar (2003). For details of their biological activity, see: Taubert et al. (2002); Mor et al. (1996). For related structures, see: Xu et al. (2006), Wang et al. (2011a,b,c).
Data collection: CrystalClear (Rigaku, 2008); cell
CrystalClear (Rigaku, 2008); data reduction: CrystalClear (Rigaku, 2008); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008) and DIAMOND (Brandenburg, 1999); software used to prepare material for publication: SHELXTL (Sheldrick, 2008) and publCIF (Westrip, 2010).C9H7NO3S | F(000) = 432 |
Mr = 209.22 | Dx = 1.584 Mg m−3 |
Orthorhombic, P212121 | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: P 2ac 2ab | Cell parameters from 3259 reflections |
a = 4.7774 (11) Å | θ = 3.1–29.1° |
b = 11.367 (3) Å | µ = 0.35 mm−1 |
c = 16.159 (4) Å | T = 153 K |
V = 877.6 (4) Å3 | Block, colorless |
Z = 4 | 0.29 × 0.22 × 0.20 mm |
Rigaku AFC10/Saturn724+ diffractometer | 2340 independent reflections |
Radiation source: Rotating Anode | 2141 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.035 |
Detector resolution: 28.5714 pixels mm-1 | θmax = 29.1°, θmin = 3.1° |
φ and ω scans | h = −6→6 |
Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | k = −15→15 |
Tmin = 0.907, Tmax = 0.934 | l = −22→16 |
7675 measured reflections |
Refinement on F2 | Secondary atom site location: difference Fourier map |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.032 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.068 | w = 1/[σ2(Fo2) + (0.0304P)2 + 0.136P] where P = (Fo2 + 2Fc2)/3 |
S = 1.00 | (Δ/σ)max < 0.001 |
2340 reflections | Δρmax = 0.27 e Å−3 |
131 parameters | Δρmin = −0.22 e Å−3 |
0 restraints | Absolute structure: Flack (1983), 945 Friedel pairs |
Primary atom site location: structure-invariant direct methods | Absolute structure parameter: 0.08 (7) |
C9H7NO3S | V = 877.6 (4) Å3 |
Mr = 209.22 | Z = 4 |
Orthorhombic, P212121 | Mo Kα radiation |
a = 4.7774 (11) Å | µ = 0.35 mm−1 |
b = 11.367 (3) Å | T = 153 K |
c = 16.159 (4) Å | 0.29 × 0.22 × 0.20 mm |
Rigaku AFC10/Saturn724+ diffractometer | 2340 independent reflections |
Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | 2141 reflections with I > 2σ(I) |
Tmin = 0.907, Tmax = 0.934 | Rint = 0.035 |
7675 measured reflections |
R[F2 > 2σ(F2)] = 0.032 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.068 | Δρmax = 0.27 e Å−3 |
S = 1.00 | Δρmin = −0.22 e Å−3 |
2340 reflections | Absolute structure: Flack (1983), 945 Friedel pairs |
131 parameters | Absolute structure parameter: 0.08 (7) |
0 restraints |
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. |
x | y | z | Uiso*/Ueq | ||
S1 | 0.79701 (8) | 0.63585 (3) | 0.49404 (2) | 0.01821 (10) | |
O1 | 0.4484 (3) | 0.48499 (11) | 0.67636 (7) | 0.0275 (3) | |
O2 | 0.4545 (3) | 0.79003 (11) | 0.67052 (8) | 0.0253 (3) | |
O3 | 0.7852 (3) | 0.79542 (12) | 0.76921 (7) | 0.0266 (3) | |
N1 | 0.7188 (3) | 0.60058 (12) | 0.59414 (8) | 0.0196 (3) | |
C1 | 0.5586 (3) | 0.53095 (14) | 0.45995 (10) | 0.0170 (3) | |
C2 | 0.4940 (4) | 0.50367 (15) | 0.37799 (10) | 0.0208 (4) | |
H2 | 0.5850 | 0.5422 | 0.3333 | 0.025* | |
C3 | 0.2934 (4) | 0.41885 (16) | 0.36417 (11) | 0.0251 (4) | |
H3 | 0.2443 | 0.3992 | 0.3089 | 0.030* | |
C4 | 0.1598 (4) | 0.36082 (17) | 0.42984 (11) | 0.0251 (4) | |
H4 | 0.0224 | 0.3027 | 0.4184 | 0.030* | |
C5 | 0.2255 (3) | 0.38708 (13) | 0.51040 (11) | 0.0216 (3) | |
H5 | 0.1357 | 0.3475 | 0.5548 | 0.026* | |
C6 | 0.4278 (4) | 0.47343 (14) | 0.52566 (10) | 0.0176 (3) | |
C7 | 0.5239 (4) | 0.51590 (14) | 0.60561 (10) | 0.0191 (4) | |
C8 | 0.8509 (4) | 0.65927 (15) | 0.66335 (10) | 0.0212 (4) | |
H8A | 1.0303 | 0.6939 | 0.6447 | 0.025* | |
H8B | 0.8936 | 0.6005 | 0.7067 | 0.025* | |
C9 | 0.6707 (4) | 0.75520 (14) | 0.70016 (10) | 0.0193 (3) | |
H3O | 0.695 (5) | 0.855 (3) | 0.7888 (16) | 0.070 (9)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.01808 (17) | 0.01776 (17) | 0.01879 (19) | −0.00127 (16) | 0.00143 (16) | −0.00022 (16) |
O1 | 0.0388 (8) | 0.0262 (7) | 0.0175 (6) | −0.0044 (6) | 0.0032 (5) | 0.0031 (5) |
O2 | 0.0208 (6) | 0.0279 (7) | 0.0271 (7) | 0.0030 (6) | −0.0043 (5) | −0.0024 (6) |
O3 | 0.0313 (7) | 0.0287 (7) | 0.0198 (6) | 0.0057 (6) | −0.0071 (6) | −0.0065 (5) |
N1 | 0.0228 (7) | 0.0204 (7) | 0.0157 (6) | −0.0026 (6) | 0.0014 (6) | −0.0006 (5) |
C1 | 0.0147 (8) | 0.0162 (8) | 0.0202 (8) | 0.0017 (7) | −0.0005 (6) | −0.0009 (6) |
C2 | 0.0217 (10) | 0.0227 (9) | 0.0179 (8) | 0.0021 (7) | 0.0002 (7) | 0.0004 (7) |
C3 | 0.0262 (9) | 0.0293 (9) | 0.0199 (8) | 0.0010 (8) | −0.0050 (8) | −0.0042 (7) |
C4 | 0.0220 (9) | 0.0220 (8) | 0.0311 (10) | −0.0046 (8) | −0.0031 (7) | −0.0033 (7) |
C5 | 0.0208 (8) | 0.0186 (8) | 0.0253 (9) | −0.0002 (6) | 0.0011 (7) | 0.0026 (6) |
C6 | 0.0184 (8) | 0.0153 (7) | 0.0191 (8) | 0.0034 (7) | 0.0006 (6) | 0.0002 (6) |
C7 | 0.0217 (9) | 0.0159 (8) | 0.0195 (9) | −0.0003 (7) | −0.0002 (7) | 0.0017 (6) |
C8 | 0.0229 (9) | 0.0216 (8) | 0.0190 (8) | 0.0008 (7) | −0.0037 (7) | −0.0034 (6) |
C9 | 0.0206 (9) | 0.0201 (8) | 0.0173 (8) | −0.0038 (7) | −0.0001 (7) | 0.0029 (6) |
S1—N1 | 1.7079 (15) | C2—H2 | 0.9500 |
S1—C1 | 1.7385 (17) | C3—C4 | 1.403 (3) |
O1—C7 | 1.249 (2) | C3—H3 | 0.9500 |
O2—C9 | 1.206 (2) | C4—C5 | 1.372 (2) |
O3—C9 | 1.324 (2) | C4—H4 | 0.9500 |
O3—H3O | 0.87 (3) | C5—C6 | 1.399 (2) |
N1—C7 | 1.352 (2) | C5—H5 | 0.9500 |
N1—C8 | 1.447 (2) | C6—C7 | 1.454 (2) |
C1—C6 | 1.395 (2) | C8—C9 | 1.511 (2) |
C1—C2 | 1.395 (2) | C8—H8A | 0.9900 |
C2—C3 | 1.378 (2) | C8—H8B | 0.9900 |
N1—S1—C1 | 89.76 (8) | C4—C5—H5 | 120.7 |
C9—O3—H3O | 112.0 (17) | C6—C5—H5 | 120.7 |
C7—N1—C8 | 121.51 (14) | C1—C6—C5 | 120.26 (15) |
C7—N1—S1 | 116.59 (11) | C1—C6—C7 | 112.31 (15) |
C8—N1—S1 | 121.90 (11) | C5—C6—C7 | 127.43 (15) |
C6—C1—C2 | 121.30 (15) | O1—C7—N1 | 121.64 (15) |
C6—C1—S1 | 111.95 (12) | O1—C7—C6 | 128.96 (17) |
C2—C1—S1 | 126.75 (13) | N1—C7—C6 | 109.40 (14) |
C3—C2—C1 | 117.61 (15) | N1—C8—C9 | 112.86 (14) |
C3—C2—H2 | 121.2 | N1—C8—H8A | 109.0 |
C1—C2—H2 | 121.2 | C9—C8—H8A | 109.0 |
C2—C3—C4 | 121.52 (16) | N1—C8—H8B | 109.0 |
C2—C3—H3 | 119.2 | C9—C8—H8B | 109.0 |
C4—C3—H3 | 119.2 | H8A—C8—H8B | 107.8 |
C5—C4—C3 | 120.75 (17) | O2—C9—O3 | 125.12 (17) |
C5—C4—H4 | 119.6 | O2—C9—C8 | 124.66 (16) |
C3—C4—H4 | 119.6 | O3—C9—C8 | 110.22 (15) |
C4—C5—C6 | 118.55 (15) | ||
C1—S1—N1—C7 | −0.51 (14) | C4—C5—C6—C7 | 178.74 (17) |
C1—S1—N1—C8 | −179.65 (14) | C8—N1—C7—O1 | 0.3 (3) |
N1—S1—C1—C6 | 0.23 (13) | S1—N1—C7—O1 | −178.81 (14) |
N1—S1—C1—C2 | 179.76 (16) | C8—N1—C7—C6 | 179.77 (14) |
C6—C1—C2—C3 | 0.8 (2) | S1—N1—C7—C6 | 0.63 (18) |
S1—C1—C2—C3 | −178.65 (14) | C1—C6—C7—O1 | 178.96 (17) |
C1—C2—C3—C4 | −0.6 (3) | C5—C6—C7—O1 | 0.1 (3) |
C2—C3—C4—C5 | 0.0 (3) | C1—C6—C7—N1 | −0.4 (2) |
C3—C4—C5—C6 | 0.3 (3) | C5—C6—C7—N1 | −179.27 (15) |
C2—C1—C6—C5 | −0.5 (2) | C7—N1—C8—C9 | −80.1 (2) |
S1—C1—C6—C5 | 179.01 (12) | S1—N1—C8—C9 | 99.03 (15) |
C2—C1—C6—C7 | −179.49 (15) | N1—C8—C9—O2 | −8.2 (2) |
S1—C1—C6—C7 | 0.06 (18) | N1—C8—C9—O3 | 172.04 (14) |
C4—C5—C6—C1 | 0.0 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
O3—H3O···O1i | 0.86 (3) | 1.72 (3) | 2.581 (2) | 173 (3) |
C2—H2···O2ii | 0.95 | 2.60 | 3.310 (2) | 132 |
C8—H8A···O2iii | 0.99 | 2.34 | 3.246 (2) | 152 |
Symmetry codes: (i) −x+1, y+1/2, −z+3/2; (ii) x+1/2, −y+3/2, −z+1; (iii) x+1, y, z. |
Experimental details
Crystal data | |
Chemical formula | C9H7NO3S |
Mr | 209.22 |
Crystal system, space group | Orthorhombic, P212121 |
Temperature (K) | 153 |
a, b, c (Å) | 4.7774 (11), 11.367 (3), 16.159 (4) |
V (Å3) | 877.6 (4) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.35 |
Crystal size (mm) | 0.29 × 0.22 × 0.20 |
Data collection | |
Diffractometer | Rigaku AFC10/Saturn724+ |
Absorption correction | Multi-scan (ABSCOR; Higashi, 1995) |
Tmin, Tmax | 0.907, 0.934 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 7675, 2340, 2141 |
Rint | 0.035 |
(sin θ/λ)max (Å−1) | 0.685 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.032, 0.068, 1.00 |
No. of reflections | 2340 |
No. of parameters | 131 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.27, −0.22 |
Absolute structure | Flack (1983), 945 Friedel pairs |
Absolute structure parameter | 0.08 (7) |
Computer programs: CrystalClear (Rigaku, 2008), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008) and DIAMOND (Brandenburg, 1999), SHELXTL (Sheldrick, 2008) and publCIF (Westrip, 2010).
D—H···A | D—H | H···A | D···A | D—H···A |
O3—H3O···O1i | 0.86 (3) | 1.72 (3) | 2.581 (2) | 173 (3) |
C2—H2···O2ii | 0.95 | 2.60 | 3.310 (2) | 132 |
C8—H8A···O2iii | 0.99 | 2.34 | 3.246 (2) | 152 |
Symmetry codes: (i) −x+1, y+1/2, −z+3/2; (ii) x+1/2, −y+3/2, −z+1; (iii) x+1, y, z. |
Acknowledgements
The authors are grateful to the National Natural Science Foundation of China (No.20962007) and the Creative Talents Plan of Hainan University 211 Project.
References
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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.
2-(3-Oxobenzo[d]isothiazol-2(3H)-yl)acetic acid is an important intermediate in the synthesis of benzisothiazolone derivatives (Davis, 1972; Maggiali, et al., 1982,1983; Elgazwy & Abdel-Sattar, 2003). The corresponding esters and amides have been reported to possess high antibacterial and antifungal activity (Mor et al., 1996; Taubert et al., 2002). In view of the importance of 1,2-benzisothiazol-3(2H)-ones, the title compound, (I), was synthesized and its crystal structure is presented herein.
The molecular structure of the title compound (I) is shown in Fig. 1. Examples of related structures appear in the literature (Xu, et al., 2006; Wang, et al., 2011a,b,c). In (I) the benzoisothiazolone ring system is essentially planar, with a maximum deviation of 0.013 (2) Å. In the crystal, molecules are linked via O—H···O hydrogen bonds to form one-dimensional chains along [010]. In addition weak intermolecular C—H···O hydrogen bonds are present.