Literature DB >> 22590368

7-Chloro-4-(piperazin-1-yl)quinoline.

Amol A Kulkarni, Christopher L King, Joseph M D Fortunak, Ray J Butcher.   

Abstract

There are two mol-ecules in the asymmetric unit (Z' = 2) of the title compound, C(13)H(14)ClN(3), Each mol-ecule is linked by N-H⋯N hydrogen bonds to another of the same type in a chain in [110]. The crystal studied was a non-merohedral twin with components 0.622 (2) and 0.378 (2).

Entities:  

Year:  2012        PMID: 22590368      PMCID: PMC3344606          DOI: 10.1107/S1600536812014912

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


Related literature

The title compound is an important inter­mediate in the synthesis of the anti-malarial compound piperaquine {systematic name: 7-chloro-4-[4-[3-[4-(7-chloro­quinolin-4-yl)piperazin-1-yl]prop­yl]piperazin-1-yl]quinoline phospho­ric acid}, see: Chen et al. (1982 ▶); Hien et al. (2004 ▶); Dongre et al. (2007 ▶).

Experimental

Crystal data

C13H14ClN3 M = 247.72 Triclinic, a = 7.0048 (6) Å b = 7.8297 (8) Å c = 21.4256 (19) Å α = 91.371 (8)° β = 91.292 (7)° γ = 95.210 (8)° V = 1169.55 (19) Å3 Z = 4 Cu Kα radiation μ = 2.72 mm−1 T = 123 K 0.43 × 0.35 × 0.12 mm

Data collection

Oxford Diffraction Xcalibur Ruby Gemini diffractometer Absorption correction: multi-scan (CrysAlis PRO; Oxford Diffraction, 2007 ▶) T min = 0.809, T max = 1.000 6990 measured reflections 6990 independent reflections 5619 reflections with I > 2σ(I) R int = 0.000

Refinement

R[F 2 > 2σ(F 2)] = 0.074 wR(F 2) = 0.228 S = 1.09 6990 reflections 316 parameters H atoms treated by a mixture of independent and constrained refinement Δρmax = 0.65 e Å−3 Δρmin = −0.60 e Å−3 Data collection: CrysAlis PRO (Oxford Diffraction, 2007 ▶); cell refinement: CrysAlis PRO; data reduction: CrysAlis PRO; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: SHELXTL (Sheldrick, 2008 ▶); software used to prepare material for publication: SHELXTL. Crystal structure: contains datablock(s) I, global. DOI: 10.1107/S1600536812014912/bt5836sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S1600536812014912/bt5836Isup2.hkl Supplementary material file. DOI: 10.1107/S1600536812014912/bt5836Isup3.cml Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C13H14ClN3Z = 4
Mr = 247.72F(000) = 520
Triclinic, P1Dx = 1.407 Mg m3
a = 7.0048 (6) ÅCu Kα radiation, λ = 1.54184 Å
b = 7.8297 (8) ÅCell parameters from 1440 reflections
c = 21.4256 (19) Åθ = 4.1–75.3°
α = 91.371 (8)°µ = 2.72 mm1
β = 91.292 (7)°T = 123 K
γ = 95.210 (8)°Triangular plate, colorless
V = 1169.55 (19) Å30.43 × 0.35 × 0.12 mm
Oxford Diffraction Xcalibur Ruby Gemini diffractometer6990 independent reflections
Radiation source: fine-focus sealed tube5619 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.000
Detector resolution: 10.5081 pixels mm-1θmax = 75.9°, θmin = 4.1°
ω scansh = −8→8
Absorption correction: multi-scan (CrysAlis PRO; Oxford Diffraction, 2007)k = −9→9
Tmin = 0.809, Tmax = 1.000l = −20→26
6990 measured reflections
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.074Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.228H atoms treated by a mixture of independent and constrained refinement
S = 1.09w = 1/[σ2(Fo2) + (0.1441P)2 + 0.6728P] where P = (Fo2 + 2Fc2)/3
6990 reflections(Δ/σ)max = 0.001
316 parametersΔρmax = 0.65 e Å3
0 restraintsΔρmin = −0.60 e Å3
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.
xyzUiso*/Ueq
Cl1A0.17772 (13)0.19345 (12)0.52611 (4)0.0394 (3)
N1A0.5120 (4)−0.0737 (4)0.34594 (14)0.0319 (6)
N2A0.9733 (4)0.3190 (4)0.35392 (14)0.0289 (6)
N3A1.2344 (5)0.6024 (4)0.32035 (15)0.0343 (7)
H3AN1.333 (6)0.688 (5)0.3255 (18)0.023 (9)*
C2A0.6631 (6)−0.0790 (5)0.31036 (17)0.0324 (7)
H2AA0.6654−0.17440.28220.039*
C3A0.8204 (5)0.0455 (5)0.31094 (17)0.0309 (7)
H3AA0.92090.03490.28250.037*
C4A0.8298 (5)0.1837 (4)0.35280 (16)0.0276 (7)
C5A0.6879 (5)0.2915 (4)0.45125 (16)0.0302 (7)
H5AA0.79970.36750.45950.036*
C6A0.5383 (5)0.2906 (4)0.49154 (16)0.0303 (7)
H6AA0.54610.36410.52760.036*
C7A0.3736 (5)0.1788 (5)0.47835 (17)0.0328 (7)
C8A0.3637 (5)0.0620 (4)0.43035 (17)0.0309 (7)
H8AA0.2523−0.01540.42350.037*
C9A0.5227 (5)0.0570 (4)0.39031 (16)0.0285 (7)
C10A0.6789 (5)0.1820 (4)0.39786 (16)0.0285 (7)
C11A1.1413 (5)0.2939 (5)0.31546 (17)0.0301 (7)
H11A1.10480.29800.27060.036*
H11B1.18630.17990.32340.036*
C12A1.3017 (5)0.4336 (5)0.33146 (17)0.0326 (7)
H12A1.34210.42630.37580.039*
H12B1.41370.41730.30530.039*
C13A1.0730 (5)0.6282 (5)0.36040 (18)0.0321 (7)
H13A1.02950.74330.35370.038*
H13B1.11390.62190.40480.038*
C14A0.9098 (5)0.4920 (4)0.34551 (17)0.0300 (7)
H14A0.80180.50880.37340.036*
H14B0.86410.50290.30190.036*
Cl1B−0.32087 (13)0.18514 (12)−0.02405 (4)0.0397 (2)
N1B0.0489 (4)−0.0420 (4)0.15733 (15)0.0335 (6)
N2B0.5041 (4)0.3518 (4)0.14536 (14)0.0279 (6)
N3B0.7621 (4)0.6426 (4)0.17856 (15)0.0334 (7)
H3BN0.870 (6)0.730 (5)0.1712 (18)0.024 (10)*
C2B0.2060 (6)−0.0387 (5)0.19218 (17)0.0335 (8)
H2BA0.2141−0.12780.22120.040*
C3B0.3630 (5)0.0859 (5)0.19001 (17)0.0307 (7)
H3BA0.47000.08110.21780.037*
C4B0.3616 (5)0.2153 (4)0.14743 (16)0.0267 (7)
C5B0.2016 (5)0.3037 (4)0.04913 (16)0.0289 (7)
H5BA0.31050.38000.04030.035*
C6B0.0448 (5)0.2931 (4)0.00929 (16)0.0293 (7)
H6BA0.04550.3597−0.02720.035*
C7B−0.1172 (5)0.1822 (5)0.02324 (17)0.0325 (7)
C8B−0.1169 (5)0.0742 (4)0.07227 (17)0.0315 (7)
H8BA−0.2261−0.00290.07990.038*
C9B0.0492 (5)0.0790 (4)0.11170 (17)0.0286 (7)
C10B0.2044 (5)0.2034 (4)0.10308 (16)0.0281 (7)
C11B0.6787 (5)0.3355 (5)0.18261 (16)0.0293 (7)
H11C0.72540.22180.17420.035*
H11D0.65060.34450.22760.035*
C12B0.8319 (5)0.4759 (5)0.16633 (17)0.0313 (7)
H12C0.94980.46520.19170.038*
H12D0.86350.46450.12170.038*
C13B0.5927 (5)0.6607 (5)0.13965 (18)0.0320 (7)
H13C0.62500.64970.09510.038*
H13D0.54830.77590.14690.038*
C14B0.4344 (5)0.5242 (4)0.15480 (17)0.0297 (7)
H14C0.39630.53940.19870.036*
H14D0.32080.53490.12730.036*
U11U22U33U12U13U23
Cl1A0.0319 (5)0.0398 (5)0.0473 (5)0.0056 (4)0.0108 (4)0.0045 (4)
N1A0.0303 (15)0.0247 (14)0.0404 (15)0.0006 (12)−0.0019 (12)0.0017 (11)
N2A0.0248 (14)0.0273 (15)0.0352 (14)0.0050 (12)0.0037 (11)0.0018 (11)
N3A0.0282 (15)0.0297 (16)0.0448 (17)−0.0010 (12)0.0058 (12)0.0033 (12)
C2A0.0365 (19)0.0235 (16)0.0376 (18)0.0060 (14)−0.0009 (14)−0.0025 (13)
C3A0.0276 (17)0.0276 (17)0.0385 (18)0.0066 (14)0.0045 (13)0.0017 (13)
C4A0.0231 (16)0.0255 (16)0.0345 (17)0.0038 (13)−0.0008 (12)0.0046 (12)
C5A0.0276 (17)0.0252 (16)0.0380 (17)0.0027 (13)−0.0003 (13)0.0040 (13)
C6A0.0339 (18)0.0240 (15)0.0338 (16)0.0064 (13)0.0031 (13)0.0017 (12)
C7A0.0319 (18)0.0311 (18)0.0368 (17)0.0080 (14)0.0061 (14)0.0054 (13)
C8A0.0250 (16)0.0244 (16)0.0431 (18)0.0010 (12)0.0003 (13)0.0054 (13)
C9A0.0291 (17)0.0210 (15)0.0351 (17)0.0012 (13)−0.0034 (13)0.0026 (12)
C10A0.0266 (17)0.0266 (17)0.0332 (16)0.0064 (14)0.0019 (13)0.0027 (13)
C11A0.0207 (15)0.0298 (17)0.0403 (18)0.0038 (13)0.0045 (13)0.0031 (13)
C12A0.0284 (18)0.0316 (18)0.0383 (17)0.0045 (14)0.0021 (14)0.0039 (14)
C13A0.0276 (17)0.0252 (17)0.0430 (18)0.0004 (13)0.0022 (14)−0.0005 (13)
C14A0.0255 (16)0.0256 (16)0.0391 (17)0.0024 (13)0.0025 (13)0.0022 (13)
Cl1B0.0304 (5)0.0384 (5)0.0496 (5)0.0016 (4)−0.0044 (3)−0.0019 (4)
N1B0.0287 (15)0.0258 (14)0.0453 (17)−0.0038 (11)0.0085 (12)0.0034 (12)
N2B0.0228 (13)0.0243 (14)0.0368 (15)0.0037 (11)0.0031 (11)0.0004 (11)
N3B0.0272 (15)0.0296 (15)0.0425 (16)−0.0039 (12)0.0043 (12)0.0014 (12)
C2B0.038 (2)0.0230 (16)0.0394 (19)0.0018 (15)0.0087 (15)0.0044 (13)
C3B0.0264 (17)0.0277 (16)0.0384 (18)0.0025 (14)0.0043 (13)0.0038 (13)
C4B0.0220 (15)0.0225 (16)0.0356 (17)0.0012 (13)0.0063 (13)−0.0004 (12)
C5B0.0251 (16)0.0205 (14)0.0407 (17)−0.0001 (12)0.0057 (13)−0.0011 (12)
C6B0.0305 (17)0.0232 (15)0.0339 (16)0.0015 (13)0.0037 (13)−0.0017 (12)
C7B0.0286 (17)0.0282 (17)0.0404 (18)0.0026 (14)0.0018 (14)−0.0026 (14)
C8B0.0243 (16)0.0245 (16)0.0454 (18)−0.0009 (12)0.0070 (13)−0.0027 (13)
C9B0.0258 (16)0.0198 (15)0.0400 (18)−0.0004 (13)0.0072 (13)−0.0006 (13)
C10B0.0244 (16)0.0226 (16)0.0373 (17)0.0019 (13)0.0057 (13)−0.0008 (12)
C11B0.0214 (16)0.0291 (17)0.0377 (17)0.0041 (13)0.0023 (13)0.0022 (13)
C12B0.0224 (16)0.0304 (17)0.0411 (18)0.0015 (13)0.0053 (13)0.0036 (14)
C13B0.0277 (17)0.0248 (16)0.0431 (18)−0.0018 (13)0.0041 (14)0.0036 (13)
C14B0.0263 (16)0.0221 (16)0.0406 (18)0.0023 (13)0.0028 (13)0.0002 (13)
Cl1A—C7A1.740 (4)Cl1B—C7B1.733 (4)
N1A—C2A1.321 (5)N1B—C2B1.314 (5)
N1A—C9A1.376 (5)N1B—C9B1.378 (5)
N2A—C4A1.392 (4)N2B—C4B1.396 (4)
N2A—C11A1.477 (4)N2B—C11B1.462 (4)
N2A—C14A1.477 (4)N2B—C14B1.488 (4)
N3A—C13A1.460 (5)N3B—C13B1.454 (5)
N3A—C12A1.466 (5)N3B—C12B1.455 (5)
N3A—H3AN0.92 (4)N3B—H3BN0.99 (4)
C2A—C3A1.402 (5)C2B—C3B1.405 (5)
C2A—H2AA0.9500C2B—H2BA0.9500
C3A—C4A1.385 (5)C3B—C4B1.380 (5)
C3A—H3AA0.9500C3B—H3BA0.9500
C4A—C10A1.447 (5)C4B—C10B1.433 (5)
C5A—C6A1.372 (5)C5B—C6B1.371 (5)
C5A—C10A1.410 (5)C5B—C10B1.414 (5)
C5A—H5AA0.9500C5B—H5BA0.9500
C6A—C7A1.402 (5)C6B—C7B1.408 (5)
C6A—H6AA0.9500C6B—H6BA0.9500
C7A—C8A1.356 (5)C7B—C8B1.364 (5)
C8A—C9A1.424 (5)C8B—C9B1.419 (5)
C8A—H8AA0.9500C8B—H8BA0.9500
C9A—C10A1.404 (4)C9B—C10B1.411 (4)
C11A—C12A1.523 (5)C11B—C12B1.518 (4)
C11A—H11A0.9900C11B—H11C0.9900
C11A—H11B0.9900C11B—H11D0.9900
C12A—H12A0.9900C12B—H12C0.9900
C12A—H12B0.9900C12B—H12D0.9900
C13A—C14A1.514 (5)C13B—C14B1.515 (4)
C13A—H13A0.9900C13B—H13C0.9900
C13A—H13B0.9900C13B—H13D0.9900
C14A—H14A0.9900C14B—H14C0.9900
C14A—H14B0.9900C14B—H14D0.9900
C2A—N1A—C9A115.7 (3)C2B—N1B—C9B115.9 (3)
C4A—N2A—C11A115.9 (3)C4B—N2B—C11B116.3 (3)
C4A—N2A—C14A116.3 (3)C4B—N2B—C14B114.5 (3)
C11A—N2A—C14A110.7 (3)C11B—N2B—C14B111.2 (3)
C13A—N3A—C12A109.6 (3)C13B—N3B—C12B109.8 (3)
C13A—N3A—H3AN113 (3)C13B—N3B—H3BN114 (2)
C12A—N3A—H3AN111 (3)C12B—N3B—H3BN107 (2)
N1A—C2A—C3A125.0 (3)N1B—C2B—C3B125.3 (3)
N1A—C2A—H2AA117.5N1B—C2B—H2BA117.4
C3A—C2A—H2AA117.5C3B—C2B—H2BA117.4
C4A—C3A—C2A120.3 (3)C4B—C3B—C2B119.8 (3)
C4A—C3A—H3AA119.8C4B—C3B—H3BA120.1
C2A—C3A—H3AA119.8C2B—C3B—H3BA120.1
C3A—C4A—N2A124.3 (3)C3B—C4B—N2B123.6 (3)
C3A—C4A—C10A116.1 (3)C3B—C4B—C10B116.5 (3)
N2A—C4A—C10A119.6 (3)N2B—C4B—C10B119.9 (3)
C6A—C5A—C10A121.3 (3)C6B—C5B—C10B121.2 (3)
C6A—C5A—H5AA119.3C6B—C5B—H5BA119.4
C10A—C5A—H5AA119.3C10B—C5B—H5BA119.4
C5A—C6A—C7A118.6 (3)C5B—C6B—C7B119.1 (3)
C5A—C6A—H6AA120.7C5B—C6B—H6BA120.5
C7A—C6A—H6AA120.7C7B—C6B—H6BA120.5
C8A—C7A—C6A122.2 (3)C8B—C7B—C6B121.9 (3)
C8A—C7A—Cl1A120.0 (3)C8B—C7B—Cl1B120.1 (3)
C6A—C7A—Cl1A117.8 (3)C6B—C7B—Cl1B118.1 (3)
C7A—C8A—C9A119.1 (3)C7B—C8B—C9B118.9 (3)
C7A—C8A—H8AA120.5C7B—C8B—H8BA120.5
C9A—C8A—H8AA120.5C9B—C8B—H8BA120.5
N1A—C9A—C10A124.0 (3)N1B—C9B—C10B123.1 (3)
N1A—C9A—C8A116.5 (3)N1B—C9B—C8B116.8 (3)
C10A—C9A—C8A119.5 (3)C10B—C9B—C8B120.1 (3)
C9A—C10A—C5A118.5 (3)C9B—C10B—C5B118.1 (3)
C9A—C10A—C4A118.2 (3)C9B—C10B—C4B118.6 (3)
C5A—C10A—C4A123.1 (3)C5B—C10B—C4B123.2 (3)
N2A—C11A—C12A109.8 (3)N2B—C11B—C12B109.8 (3)
N2A—C11A—H11A109.7N2B—C11B—H11C109.7
C12A—C11A—H11A109.7C12B—C11B—H11C109.7
N2A—C11A—H11B109.7N2B—C11B—H11D109.7
C12A—C11A—H11B109.7C12B—C11B—H11D109.7
H11A—C11A—H11B108.2H11C—C11B—H11D108.2
N3A—C12A—C11A109.7 (3)N3B—C12B—C11B109.4 (3)
N3A—C12A—H12A109.7N3B—C12B—H12C109.8
C11A—C12A—H12A109.7C11B—C12B—H12C109.8
N3A—C12A—H12B109.7N3B—C12B—H12D109.8
C11A—C12A—H12B109.7C11B—C12B—H12D109.8
H12A—C12A—H12B108.2H12C—C12B—H12D108.2
N3A—C13A—C14A109.9 (3)N3B—C13B—C14B110.1 (3)
N3A—C13A—H13A109.7N3B—C13B—H13C109.6
C14A—C13A—H13A109.7C14B—C13B—H13C109.6
N3A—C13A—H13B109.7N3B—C13B—H13D109.6
C14A—C13A—H13B109.7C14B—C13B—H13D109.6
H13A—C13A—H13B108.2H13C—C13B—H13D108.1
N2A—C14A—C13A110.5 (3)N2B—C14B—C13B109.3 (3)
N2A—C14A—H14A109.6N2B—C14B—H14C109.8
C13A—C14A—H14A109.6C13B—C14B—H14C109.8
N2A—C14A—H14B109.6N2B—C14B—H14D109.8
C13A—C14A—H14B109.6C13B—C14B—H14D109.8
H14A—C14A—H14B108.1H14C—C14B—H14D108.3
C9A—N1A—C2A—C3A−6.3 (5)C9B—N1B—C2B—C3B6.0 (5)
N1A—C2A—C3A—C4A2.9 (5)N1B—C2B—C3B—C4B−2.0 (5)
C2A—C3A—C4A—N2A−175.4 (3)C2B—C3B—C4B—N2B174.7 (3)
C2A—C3A—C4A—C10A5.0 (5)C2B—C3B—C4B—C10B−6.2 (5)
C11A—N2A—C4A—C3A−11.6 (4)C11B—N2B—C4B—C3B11.9 (4)
C14A—N2A—C4A—C3A121.2 (4)C14B—N2B—C4B—C3B−120.0 (4)
C11A—N2A—C4A—C10A167.9 (3)C11B—N2B—C4B—C10B−167.1 (3)
C14A—N2A—C4A—C10A−59.3 (4)C14B—N2B—C4B—C10B60.9 (4)
C10A—C5A—C6A—C7A−0.6 (5)C10B—C5B—C6B—C7B1.1 (5)
C5A—C6A—C7A—C8A5.8 (5)C5B—C6B—C7B—C8B−5.7 (5)
C5A—C6A—C7A—Cl1A−174.4 (3)C5B—C6B—C7B—Cl1B174.4 (3)
C6A—C7A—C8A—C9A−2.7 (5)C6B—C7B—C8B—C9B2.5 (5)
Cl1A—C7A—C8A—C9A177.4 (3)Cl1B—C7B—C8B—C9B−177.6 (3)
C2A—N1A—C9A—C10A1.6 (5)C2B—N1B—C9B—C10B−1.8 (5)
C2A—N1A—C9A—C8A−178.2 (3)C2B—N1B—C9B—C8B178.1 (3)
C7A—C8A—C9A—N1A174.3 (3)C7B—C8B—C9B—N1B−174.7 (3)
C7A—C8A—C9A—C10A−5.5 (5)C7B—C8B—C9B—C10B5.2 (5)
N1A—C9A—C10A—C5A−169.5 (3)N1B—C9B—C10B—C5B170.4 (3)
C8A—C9A—C10A—C5A10.4 (5)C8B—C9B—C10B—C5B−9.4 (5)
N1A—C9A—C10A—C4A6.0 (5)N1B—C9B—C10B—C4B−6.2 (5)
C8A—C9A—C10A—C4A−174.1 (3)C8B—C9B—C10B—C4B174.0 (3)
C6A—C5A—C10A—C9A−7.4 (5)C6B—C5B—C10B—C9B6.3 (5)
C6A—C5A—C10A—C4A177.4 (3)C6B—C5B—C10B—C4B−177.3 (3)
C3A—C4A—C10A—C9A−9.0 (5)C3B—C4B—C10B—C9B9.8 (5)
N2A—C4A—C10A—C9A171.4 (3)N2B—C4B—C10B—C9B−171.0 (3)
C3A—C4A—C10A—C5A166.3 (3)C3B—C4B—C10B—C5B−166.6 (3)
N2A—C4A—C10A—C5A−13.3 (5)N2B—C4B—C10B—C5B12.6 (5)
C4A—N2A—C11A—C12A−168.4 (3)C4B—N2B—C11B—C12B169.6 (3)
C14A—N2A—C11A—C12A56.3 (4)C14B—N2B—C11B—C12B−56.9 (4)
C13A—N3A—C12A—C11A61.2 (4)C13B—N3B—C12B—C11B−61.4 (4)
N2A—C11A—C12A—N3A−58.8 (4)N2B—C11B—C12B—N3B59.1 (4)
C12A—N3A—C13A—C14A−60.7 (4)C12B—N3B—C13B—C14B61.3 (4)
C4A—N2A—C14A—C13A168.8 (3)C4B—N2B—C14B—C13B−169.5 (3)
C11A—N2A—C14A—C13A−56.1 (4)C11B—N2B—C14B—C13B56.1 (4)
N3A—C13A—C14A—N2A58.1 (4)N3B—C13B—C14B—N2B−57.8 (4)
D—H···AD—HH···AD···AD—H···A
N3A—H3AN···N1Ai0.92 (4)2.18 (4)3.083 (4)166 (4)
N3B—H3BN···N1Bi0.99 (4)2.12 (4)3.088 (4)166 (4)
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
N3A—H3AN⋯N1Ai0.92 (4)2.18 (4)3.083 (4)166 (4)
N3B—H3BN⋯N1Bi0.99 (4)2.12 (4)3.088 (4)166 (4)

Symmetry code: (i) .

  4 in total

1.  Characterization and quantitative determination of impurities in piperaquine phosphate by HPLC and LC/MS/MS.

Authors:  Vaijanath G Dongre; Pravin P Karmuse; Pradeep D Ghugare; Mukesh Gupta; Bipin Nerurkar; Chirag Shaha; Ashok Kumar
Journal:  J Pharm Biomed Anal       Date:  2006-08-17       Impact factor: 3.935

2.  A short history of SHELX.

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

3.  Field observations on the antimalarial piperaquine.

Authors:  L Chen; F Y Qu; Y C Zhou
Journal:  Chin Med J (Engl)       Date:  1982-04       Impact factor: 2.628

4.  Dihydroartemisinin-piperaquine against multidrug-resistant Plasmodium falciparum malaria in Vietnam: randomised clinical trial.

Authors:  Tinh Hien Tran; Christiane Dolecek; Phuong Mai Pham; Thi Dung Nguyen; Thanh Truong Nguyen; Hong Thai Le; Thi Hoai An Dong; Tan Thanh Tran; Kasia Stepniewska; Nicholas J White; Jeremy Farrar
Journal:  Lancet       Date:  2004-01-03       Impact factor: 79.321

  4 in total
  1 in total

1.  Methyl 2-bromo-3-(4-chloro-benzene-sulfonamido)-benzoate.

Authors:  Ahmad Z Ghafoor; Brian Chang; Christopher L King; Ray J Butcher; Amol A Kulkarni
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2013-01-31
  1 in total

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