Literature DB >> 21580685

3-Benzoyl-4-hydr-oxy-2H-1,2-benzothia-zine 1,1-dioxide.

Matloob Ahmad, Hamid Latif Siddiqui, Umar Farooq Rizvi, Saeed Ahmad, Masood Parvez.   

Abstract

There are two mol-ecules in the asymmetric unit of the title compound, C(15)H(11)NO(4)S. The heterocyclic thia-zine rings in both mol-ecules adopt half-chair conformations with the S and N atoms displaced by 0.455 (4) and 0.254 (4) Å, respectively, in one mol-ecule, and 0.480 (4) and 0.224 (5) Å in the other, on opposite sides of the mean planes formed by the remaining ring atoms. The crystal structure is stabilized by inter-molecular N-H⋯O and C-H⋯O hydrogen bonds. In addition, intra-molecular O-H⋯O inter-actions are also present.

Entities:  

Year:  2010        PMID: 21580685      PMCID: PMC2983842          DOI: 10.1107/S1600536810009359

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For the biological activity of 1,2-benzothia­zine derivatives, see: Ahmad et al. (2010 ▶); Lombardino et al. (1971 ▶, 1973 ▶). For the synthesis of benzothia­zine derivatives, see: Siddiqui et al. (2007 ▶). For comparison of bond distancess, see: Allen (2002 ▶). For related structures, see: Siddiqui et al. (2008 ▶)

Experimental

Crystal data

C15H11NO4S M = 301.31 Monoclinic, a = 13.8675 (4) Å b = 7.6289 (2) Å c = 25.7553 (9) Å β = 102.4519 (12)° V = 2660.66 (14) Å3 Z = 8 Mo Kα radiation μ = 0.26 mm−1 T = 173 K 0.12 × 0.11 × 0.08 mm

Data collection

Nonius KappaCCD diffractometer Absorption correction: multi-scan (SORTAV; Blessing, 1997 ▶) T min = 0.970, T max = 0.980 10424 measured reflections 5971 independent reflections 5100 reflections with I > 2σ(I) R int = 0.034

Refinement

R[F 2 > 2σ(F 2)] = 0.048 wR(F 2) = 0.119 S = 1.09 5971 reflections 391 parameters H atoms treated by a mixture of independent and constrained refinement Δρmax = 0.40 e Å−3 Δρmin = −0.45 e Å−3 Data collection: COLLECT (Hooft, 1998 ▶); cell refinement: DENZO (Otwinowski & Minor, 1997 ▶); data reduction: SCALEPACK (Otwinowski & Minor, 1997 ▶); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997 ▶); software used to prepare material for publication: SHELXL97. Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536810009359/jh2134sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536810009359/jh2134Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C15H11NO4SF(000) = 1248
Mr = 301.31Dx = 1.504 Mg m3
Monoclinic, P21/cMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybcCell parameters from 5113 reflections
a = 13.8675 (4) Åθ = 1.0–27.5°
b = 7.6289 (2) ŵ = 0.26 mm1
c = 25.7553 (9) ÅT = 173 K
β = 102.4519 (12)°Block, yellow
V = 2660.66 (14) Å30.12 × 0.11 × 0.08 mm
Z = 8
Nonius KappaCCD diffractometer5971 independent reflections
Radiation source: fine-focus sealed tube5100 reflections with I > 2σ(I)
graphiteRint = 0.034
ω and φ scansθmax = 27.5°, θmin = 2.0°
Absorption correction: multi-scan (SORTAV; Blessing, 1997)h = −17→18
Tmin = 0.970, Tmax = 0.980k = −9→9
10424 measured reflectionsl = −33→33
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.048Hydrogen site location: difference Fourier map
wR(F2) = 0.119H atoms treated by a mixture of independent and constrained refinement
S = 1.09w = 1/[σ2(Fo2) + (0.0348P)2 + 2.7188P] where P = (Fo2 + 2Fc2)/3
5971 reflections(Δ/σ)max < 0.001
391 parametersΔρmax = 0.40 e Å3
0 restraintsΔρmin = −0.44 e Å3
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds 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.
xyzUiso*/Ueq
S10.26603 (4)0.49396 (7)−0.15139 (2)0.02569 (13)
S20.26612 (4)0.00960 (7)0.14780 (2)0.02805 (13)
O10.34849 (11)0.3951 (2)−0.16022 (6)0.0392 (4)
O20.26099 (11)0.6780 (2)−0.16221 (6)0.0338 (4)
O3−0.00584 (11)0.5375 (2)−0.10052 (6)0.0344 (4)
H3O0.0138 (19)0.580 (3)−0.0643 (12)0.041*
O40.08737 (11)0.6136 (2)−0.01058 (6)0.0365 (4)
O50.24183 (12)0.1891 (2)0.15448 (6)0.0367 (4)
O60.20854 (12)−0.1254 (2)0.16478 (6)0.0362 (4)
O70.49817 (12)0.1805 (2)0.07325 (7)0.0386 (4)
H7O0.467 (2)0.200 (4)0.0367 (12)0.046*
O80.37534 (12)0.1864 (2)−0.01398 (6)0.0392 (4)
N10.25817 (13)0.4634 (2)−0.08997 (7)0.0255 (4)
H1N0.2839 (18)0.370 (3)−0.0763 (10)0.031*
N20.26406 (13)−0.0224 (2)0.08502 (7)0.0277 (4)
H2N0.2516 (18)−0.123 (4)0.0752 (10)0.033*
C10.15563 (15)0.4015 (3)−0.18693 (8)0.0257 (4)
C20.15101 (18)0.3292 (3)−0.23688 (9)0.0333 (5)
H20.20860.3204−0.25110.040*
C30.0605 (2)0.2700 (3)−0.26569 (9)0.0401 (6)
H30.05570.2224−0.30020.048*
C4−0.02274 (19)0.2799 (3)−0.24437 (9)0.0391 (6)
H4−0.08410.2378−0.26430.047*
C5−0.01775 (17)0.3508 (3)−0.19421 (9)0.0322 (5)
H5−0.07530.3561−0.17990.039*
C60.07235 (15)0.4143 (3)−0.16478 (8)0.0254 (4)
C70.07853 (15)0.4912 (3)−0.11193 (8)0.0252 (4)
C80.16798 (14)0.5127 (3)−0.07560 (8)0.0237 (4)
C90.16839 (15)0.5735 (3)−0.02290 (8)0.0259 (4)
C100.25834 (14)0.5793 (3)0.02069 (8)0.0244 (4)
C110.24653 (16)0.5335 (3)0.07145 (8)0.0281 (4)
H110.18360.49780.07650.034*
C120.32640 (16)0.5397 (3)0.11451 (9)0.0310 (5)
H120.31820.50730.14890.037*
C130.41781 (16)0.5932 (3)0.10724 (9)0.0334 (5)
H130.47240.59780.13670.040*
C140.43023 (16)0.6402 (3)0.05692 (9)0.0349 (5)
H140.49310.67780.05230.042*
C150.35116 (16)0.6326 (3)0.01342 (9)0.0306 (5)
H150.36000.6633−0.02100.037*
C160.39179 (16)−0.0183 (3)0.17731 (8)0.0273 (4)
C170.42052 (18)−0.0878 (3)0.22798 (9)0.0325 (5)
H170.3726−0.12770.24660.039*
C180.52034 (18)−0.0982 (3)0.25096 (9)0.0375 (5)
H180.5414−0.14620.28560.045*
C190.58960 (18)−0.0385 (3)0.22344 (10)0.0390 (5)
H190.6579−0.04470.23970.047*
C200.56077 (17)0.0299 (3)0.17279 (9)0.0345 (5)
H200.60910.07120.15460.041*
C210.46065 (16)0.0384 (3)0.14820 (8)0.0270 (4)
C220.42919 (16)0.0983 (3)0.09300 (9)0.0277 (4)
C230.33618 (15)0.0685 (3)0.06266 (8)0.0263 (4)
C240.31153 (16)0.1149 (3)0.00718 (9)0.0293 (4)
C250.21394 (16)0.0753 (3)−0.02777 (8)0.0279 (4)
C260.21372 (17)0.0020 (3)−0.07754 (9)0.0322 (5)
H260.2744−0.0279−0.08680.039*
C270.12542 (19)−0.0269 (3)−0.11332 (9)0.0380 (5)
H270.1252−0.0804−0.14660.046*
C280.03701 (18)0.0222 (3)−0.10051 (10)0.0368 (5)
H28−0.02360.0037−0.12530.044*
C290.03689 (17)0.0983 (3)−0.05150 (10)0.0355 (5)
H29−0.02370.1342−0.04320.043*
C300.12487 (16)0.1219 (3)−0.01456 (9)0.0309 (5)
H300.12450.16950.01950.037*
U11U22U33U12U13U23
S10.0246 (3)0.0329 (3)0.0208 (2)−0.0011 (2)0.00740 (19)0.00065 (19)
S20.0320 (3)0.0295 (3)0.0255 (3)−0.0025 (2)0.0125 (2)0.0031 (2)
O10.0309 (8)0.0580 (11)0.0314 (8)0.0087 (8)0.0122 (7)−0.0032 (8)
O20.0362 (8)0.0348 (8)0.0305 (8)−0.0102 (7)0.0072 (7)0.0043 (7)
O30.0214 (7)0.0516 (10)0.0303 (8)0.0001 (7)0.0057 (6)−0.0036 (7)
O40.0257 (8)0.0555 (10)0.0299 (8)0.0021 (7)0.0096 (6)−0.0074 (7)
O50.0463 (9)0.0317 (8)0.0369 (9)0.0050 (7)0.0196 (7)0.0028 (7)
O60.0373 (9)0.0413 (9)0.0326 (8)−0.0091 (7)0.0133 (7)0.0082 (7)
O70.0328 (8)0.0504 (10)0.0343 (9)−0.0122 (8)0.0114 (7)0.0062 (8)
O80.0379 (9)0.0531 (10)0.0296 (8)−0.0098 (8)0.0138 (7)0.0070 (7)
N10.0236 (8)0.0339 (9)0.0192 (8)0.0037 (7)0.0052 (6)0.0028 (7)
N20.0320 (10)0.0278 (9)0.0252 (9)−0.0069 (8)0.0101 (7)0.0008 (7)
C10.0305 (10)0.0254 (10)0.0206 (9)−0.0019 (8)0.0043 (8)0.0022 (8)
C20.0451 (13)0.0304 (11)0.0253 (11)−0.0003 (10)0.0096 (9)−0.0007 (9)
C30.0595 (16)0.0334 (12)0.0246 (11)−0.0095 (11)0.0029 (10)−0.0048 (9)
C40.0473 (14)0.0322 (12)0.0320 (12)−0.0120 (10)−0.0047 (10)−0.0006 (9)
C50.0332 (11)0.0314 (11)0.0294 (11)−0.0074 (9)0.0011 (9)0.0053 (9)
C60.0290 (10)0.0226 (10)0.0237 (10)−0.0032 (8)0.0036 (8)0.0032 (8)
C70.0249 (10)0.0275 (10)0.0242 (10)−0.0024 (8)0.0077 (8)0.0041 (8)
C80.0226 (9)0.0285 (10)0.0207 (9)−0.0001 (8)0.0064 (7)0.0025 (8)
C90.0239 (10)0.0294 (10)0.0247 (10)−0.0030 (8)0.0062 (8)0.0002 (8)
C100.0246 (10)0.0270 (10)0.0222 (10)−0.0026 (8)0.0064 (8)−0.0020 (8)
C110.0304 (11)0.0291 (10)0.0257 (10)−0.0052 (8)0.0081 (8)−0.0016 (8)
C120.0350 (11)0.0323 (11)0.0241 (10)−0.0024 (9)0.0025 (9)0.0039 (8)
C130.0295 (11)0.0357 (12)0.0313 (12)−0.0021 (9)−0.0019 (9)0.0002 (9)
C140.0257 (10)0.0437 (13)0.0353 (12)−0.0075 (10)0.0067 (9)−0.0025 (10)
C150.0299 (11)0.0372 (12)0.0259 (10)−0.0064 (9)0.0089 (9)−0.0007 (9)
C160.0327 (11)0.0238 (10)0.0262 (10)−0.0042 (8)0.0085 (8)−0.0033 (8)
C170.0428 (12)0.0281 (11)0.0274 (11)−0.0034 (9)0.0098 (9)0.0017 (9)
C180.0494 (15)0.0318 (12)0.0282 (11)−0.0005 (10)0.0018 (10)0.0030 (9)
C190.0361 (12)0.0381 (13)0.0394 (13)0.0030 (10)0.0005 (10)−0.0020 (10)
C200.0351 (12)0.0343 (12)0.0352 (12)−0.0036 (9)0.0103 (10)−0.0059 (10)
C210.0326 (11)0.0237 (10)0.0258 (10)−0.0029 (8)0.0090 (8)−0.0026 (8)
C220.0316 (11)0.0262 (10)0.0282 (11)−0.0041 (8)0.0128 (9)−0.0019 (8)
C230.0304 (10)0.0264 (10)0.0252 (10)−0.0027 (8)0.0128 (8)0.0000 (8)
C240.0344 (11)0.0288 (11)0.0270 (11)−0.0014 (9)0.0113 (9)−0.0006 (8)
C250.0357 (11)0.0242 (10)0.0253 (10)−0.0021 (8)0.0101 (9)0.0043 (8)
C260.0359 (12)0.0363 (12)0.0261 (11)0.0039 (9)0.0107 (9)0.0013 (9)
C270.0462 (14)0.0391 (13)0.0272 (11)0.0012 (11)0.0050 (10)−0.0018 (10)
C280.0369 (12)0.0381 (13)0.0334 (12)−0.0016 (10)0.0029 (10)0.0073 (10)
C290.0342 (12)0.0343 (12)0.0409 (13)0.0023 (10)0.0148 (10)0.0094 (10)
C300.0378 (12)0.0283 (11)0.0292 (11)−0.0003 (9)0.0130 (9)0.0017 (9)
S1—O11.4283 (16)C11—C121.389 (3)
S1—O21.4303 (17)C11—H110.9500
S1—N11.6257 (17)C12—C131.382 (3)
S1—C11.753 (2)C12—H120.9500
S2—O61.4281 (16)C13—C141.391 (3)
S2—O51.4296 (17)C13—H130.9500
S2—N21.6294 (19)C14—C151.390 (3)
S2—C161.757 (2)C14—H140.9500
O3—C71.314 (2)C15—H150.9500
O3—H3O0.97 (3)C16—C171.385 (3)
O4—C91.269 (2)C16—C211.404 (3)
O7—C221.333 (2)C17—C181.385 (3)
O7—H7O0.96 (3)C17—H170.9500
O8—C241.259 (3)C18—C191.388 (3)
N1—C81.429 (2)C18—H180.9500
N1—H1N0.84 (3)C19—C201.382 (3)
N2—C231.436 (3)C19—H190.9500
N2—H2N0.82 (3)C20—C211.398 (3)
C1—C21.389 (3)C20—H200.9500
C1—C61.397 (3)C21—C221.467 (3)
C2—C31.389 (3)C22—C231.375 (3)
C2—H20.9500C23—C241.440 (3)
C3—C41.383 (4)C24—C251.486 (3)
C3—H30.9500C25—C301.396 (3)
C4—C51.388 (3)C25—C261.398 (3)
C4—H40.9500C26—C271.382 (3)
C5—C61.401 (3)C26—H260.9500
C5—H50.9500C27—C281.388 (3)
C6—C71.468 (3)C27—H270.9500
C7—C81.393 (3)C28—C291.390 (3)
C8—C91.433 (3)C28—H280.9500
C9—C101.488 (3)C29—C301.388 (3)
C10—C111.397 (3)C29—H290.9500
C10—C151.400 (3)C30—H300.9500
O1—S1—O2119.62 (10)C11—C12—H12120.0
O1—S1—N1107.65 (10)C12—C13—C14120.2 (2)
O2—S1—N1108.64 (10)C12—C13—H13119.9
O1—S1—C1110.09 (10)C14—C13—H13119.9
O2—S1—C1107.01 (10)C15—C14—C13120.4 (2)
N1—S1—C1102.49 (9)C15—C14—H14119.8
O6—S2—O5119.47 (10)C13—C14—H14119.8
O6—S2—N2107.73 (10)C14—C15—C10119.5 (2)
O5—S2—N2107.98 (10)C14—C15—H15120.2
O6—S2—C16110.37 (10)C10—C15—H15120.2
O5—S2—C16107.55 (10)C17—C16—C21122.1 (2)
N2—S2—C16102.38 (10)C17—C16—S2120.70 (17)
C7—O3—H3O103.1 (15)C21—C16—S2117.20 (17)
C22—O7—H7O103.9 (16)C16—C17—C18118.8 (2)
C8—N1—S1117.40 (14)C16—C17—H17120.6
C8—N1—H1N115.7 (17)C18—C17—H17120.6
S1—N1—H1N114.6 (17)C17—C18—C19120.1 (2)
C23—N2—S2117.47 (15)C17—C18—H18120.0
C23—N2—H2N116.7 (18)C19—C18—H18120.0
S2—N2—H2N114.0 (18)C20—C19—C18121.0 (2)
C2—C1—C6121.9 (2)C20—C19—H19119.5
C2—C1—S1120.28 (17)C18—C19—H19119.5
C6—C1—S1117.65 (15)C19—C20—C21120.2 (2)
C1—C2—C3118.7 (2)C19—C20—H20119.9
C1—C2—H2120.7C21—C20—H20119.9
C3—C2—H2120.7C20—C21—C16117.9 (2)
C4—C3—C2120.4 (2)C20—C21—C22120.82 (19)
C4—C3—H3119.8C16—C21—C22121.28 (19)
C2—C3—H3119.8O7—C22—C23121.55 (19)
C3—C4—C5120.8 (2)O7—C22—C21115.35 (19)
C3—C4—H4119.6C23—C22—C21123.07 (18)
C5—C4—H4119.6C22—C23—N2120.07 (18)
C4—C5—C6119.9 (2)C22—C23—C24121.07 (18)
C4—C5—H5120.1N2—C23—C24118.69 (19)
C6—C5—H5120.1O8—C24—C23119.8 (2)
C1—C6—C5118.30 (19)O8—C24—C25117.33 (19)
C1—C6—C7121.23 (18)C23—C24—C25122.79 (18)
C5—C6—C7120.46 (19)C30—C25—C26119.9 (2)
O3—C7—C8121.67 (19)C30—C25—C24122.61 (19)
O3—C7—C6115.97 (18)C26—C25—C24117.28 (19)
C8—C7—C6122.37 (18)C27—C26—C25120.1 (2)
C7—C8—N1119.84 (18)C27—C26—H26119.9
C7—C8—C9119.69 (18)C25—C26—H26119.9
N1—C8—C9120.35 (17)C26—C27—C28120.0 (2)
O4—C9—C8119.47 (18)C26—C27—H27120.0
O4—C9—C10116.58 (18)C28—C27—H27120.0
C8—C9—C10123.76 (18)C27—C28—C29120.2 (2)
C11—C10—C15119.64 (19)C27—C28—H28119.9
C11—C10—C9116.76 (18)C29—C28—H28119.9
C15—C10—C9123.57 (18)C30—C29—C28120.3 (2)
C12—C11—C10120.3 (2)C30—C29—H29119.9
C12—C11—H11119.8C28—C29—H29119.9
C10—C11—H11119.8C29—C30—C25119.5 (2)
C13—C12—C11119.9 (2)C29—C30—H30120.2
C13—C12—H12120.0C25—C30—H30120.2
O1—S1—N1—C8−164.69 (16)C13—C14—C15—C100.9 (4)
O2—S1—N1—C864.40 (17)C11—C10—C15—C14−0.4 (3)
C1—S1—N1—C8−48.61 (18)C9—C10—C15—C14177.5 (2)
O6—S2—N2—C23−164.50 (16)O6—S2—C16—C17−33.0 (2)
O5—S2—N2—C2365.20 (18)O5—S2—C16—C1798.90 (19)
C16—S2—N2—C23−48.12 (18)N2—S2—C16—C17−147.47 (18)
O1—S1—C1—C2−36.5 (2)O6—S2—C16—C21149.25 (16)
O2—S1—C1—C294.97 (19)O5—S2—C16—C21−78.84 (18)
N1—S1—C1—C2−150.81 (18)N2—S2—C16—C2134.79 (18)
O1—S1—C1—C6147.68 (16)C21—C16—C17—C181.4 (3)
O2—S1—C1—C6−80.85 (18)S2—C16—C17—C18−176.28 (17)
N1—S1—C1—C633.37 (18)C16—C17—C18—C190.4 (3)
C6—C1—C2—C30.8 (3)C17—C18—C19—C20−0.8 (4)
S1—C1—C2—C3−174.87 (17)C18—C19—C20—C21−0.6 (4)
C1—C2—C3—C4−1.3 (4)C19—C20—C21—C162.2 (3)
C2—C3—C4—C50.7 (4)C19—C20—C21—C22−175.4 (2)
C3—C4—C5—C60.5 (3)C17—C16—C21—C20−2.7 (3)
C2—C1—C6—C50.4 (3)S2—C16—C21—C20175.06 (16)
S1—C1—C6—C5176.13 (16)C17—C16—C21—C22174.9 (2)
C2—C1—C6—C7−180.0 (2)S2—C16—C21—C22−7.4 (3)
S1—C1—C6—C7−4.2 (3)C20—C21—C22—O7−15.2 (3)
C4—C5—C6—C1−1.0 (3)C16—C21—C22—O7167.30 (19)
C4—C5—C6—C7179.4 (2)C20—C21—C22—C23163.1 (2)
C1—C6—C7—O3163.40 (19)C16—C21—C22—C23−14.4 (3)
C5—C6—C7—O3−17.0 (3)O7—C22—C23—N2179.2 (2)
C1—C6—C7—C8−17.3 (3)C21—C22—C23—N21.1 (3)
C5—C6—C7—C8162.4 (2)O7—C22—C23—C244.1 (3)
O3—C7—C8—N1−178.91 (18)C21—C22—C23—C24−174.0 (2)
C6—C7—C8—N11.8 (3)S2—N2—C23—C2234.4 (3)
O3—C7—C8—C95.1 (3)S2—N2—C23—C24−150.31 (17)
C6—C7—C8—C9−174.25 (19)C22—C23—C24—O8−1.1 (3)
S1—N1—C8—C735.2 (3)N2—C23—C24—O8−176.3 (2)
S1—N1—C8—C9−148.77 (16)C22—C23—C24—C25176.2 (2)
C7—C8—C9—O4−2.7 (3)N2—C23—C24—C251.0 (3)
N1—C8—C9—O4−178.73 (19)O8—C24—C25—C30−130.8 (2)
C7—C8—C9—C10172.00 (19)C23—C24—C25—C3051.8 (3)
N1—C8—C9—C10−4.0 (3)O8—C24—C25—C2643.7 (3)
O4—C9—C10—C1133.7 (3)C23—C24—C25—C26−133.7 (2)
C8—C9—C10—C11−141.1 (2)C30—C25—C26—C27−1.0 (3)
O4—C9—C10—C15−144.3 (2)C24—C25—C26—C27−175.7 (2)
C8—C9—C10—C1540.9 (3)C25—C26—C27—C282.1 (4)
C15—C10—C11—C12−0.3 (3)C26—C27—C28—C29−0.9 (4)
C9—C10—C11—C12−178.4 (2)C27—C28—C29—C30−1.5 (3)
C10—C11—C12—C130.6 (3)C28—C29—C30—C252.6 (3)
C11—C12—C13—C14−0.2 (4)C26—C25—C30—C29−1.3 (3)
C12—C13—C14—C15−0.6 (4)C24—C25—C30—C29173.0 (2)
D—H···AD—HH···AD···AD—H···A
N1—H1N···O80.84 (3)2.30 (3)3.093 (3)159 (2)
O3—H3O···O40.97 (3)1.55 (3)2.466 (2)155 (2)
O7—H7O···O80.96 (3)1.62 (3)2.510 (2)153 (3)
C2—H2···O5i0.952.573.310 (3)135
C13—H13···O1ii0.952.433.235 (3)143
C14—H14···O8ii0.952.483.396 (3)162
C15—H15···N10.952.532.990 (3)110
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
N1—H1N⋯O80.84 (3)2.30 (3)3.093 (3)159 (2)
O3—H3O⋯O40.97 (3)1.55 (3)2.466 (2)155 (2)
O7—H7O⋯O80.96 (3)1.62 (3)2.510 (2)153 (3)
C2—H2⋯O5i0.952.573.310 (3)135
C13—H13⋯O1ii0.952.433.235 (3)143
C14—H14⋯O8ii0.952.483.396 (3)162

Symmetry codes: (i) ; (ii) .

  6 in total

1.  The Cambridge Structural Database: a quarter of a million crystal structures and rising.

Authors:  Frank H Allen
Journal:  Acta Crystallogr B       Date:  2002-05-29

2.  A short history of SHELX.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A       Date:  2007-12-21       Impact factor: 2.290

3.  Potent anti-inflammatory N-heterocyclic 3-carboxamides of 4-hydroxy-2-methyl-2H-1,2-benzothiazine 1,1-dioxide.

Authors:  J G Lombardino; E H Wiseman; J Chiaini
Journal:  J Med Chem       Date:  1973-05       Impact factor: 7.446

4.  Anti-oxidant and anti-bacterial activities of novel N'-arylmethylidene-2-(3, 4-dimethyl-5, 5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-2(4H)-yl) acetohydrazides.

Authors:  Matloob Ahmad; Hamid Latif Siddiqui; Muhammad Zia-ur-Rehman; Masood Parvez
Journal:  Eur J Med Chem       Date:  2009-11-11       Impact factor: 6.514

5.  N-(X-chlorophenyl)-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide (with X = 2 and 4).

Authors:  Waseeq Ahmad Siddiqui; Saeed Ahmad; Muhammad Ilyas Tariq; Hamid Latif Siddiqui; Masood Parvez
Journal:  Acta Crystallogr C       Date:  2007-12-14       Impact factor: 1.172

6.  Synthesis and antiinflammatory activity of some 3-carboxamides of 2-alkyl-4-hydroxy-2H-1,2-benzothiazine 1,1-dioxide.

Authors:  J G Lombardino; E H Wiseman; W M McLamore
Journal:  J Med Chem       Date:  1971-12       Impact factor: 7.446

  6 in total
  3 in total

1.  Synthesis and anti-HIV-1 screening of novel N'-(1-(aryl)ethylidene)-2-(5,5-dioxido-3-phenylbenzo[e]pyrazolo[4,3-c][1,2]thiazin-4(1H)-yl)acetohydrazides.

Authors:  Sana Aslam; Matloob Ahmad; Muhammad Zia-Ur-Rehman; Catherine Montero; Mervi Detorio; Masood Parvez; Raymond F Schinazi
Journal:  Arch Pharm Res       Date:  2013-07-10       Impact factor: 4.946

2.  3-Benzoyl-4-hydr-oxy-2-methyl-2H-1,2-benzothia-zine 1,1-dioxide.

Authors:  Matloob Ahmad; Hamid Latif Siddiqui; Saeed Ahmad; Sana Aslam; Masood Parvez
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2010-03-27

3.  Pyrazolobenzothiazine-based carbothioamides as new structural leads for the inhibition of monoamine oxidases: design, synthesis, in vitro bioevaluation and molecular docking studies.

Authors:  Syed Mobasher Ali Abid; Sana Aslam; Sumera Zaib; Syeda Mahwish Bakht; Matloob Ahmad; Muhammad Makshoof Athar; John M Gardiner; Jamshed Iqbal
Journal:  Medchemcomm       Date:  2017-01-03       Impact factor: 3.597

  3 in total

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