


Supporting information
![]() | Crystallographic Information File (CIF) https://doi.org/10.1107/S2056989015013171/tk5374sup1.cif |
![]() | Structure factor file (CIF format) https://doi.org/10.1107/S2056989015013171/tk5374Isup2.hkl |
![]() | Chemical Markup Language (CML) file https://doi.org/10.1107/S2056989015013171/tk5374Isup3.cml |
CCDC reference: 1411658
Key indicators
- Single-crystal X-ray study
- T = 298 K
- Mean
(C-C) = 0.005 Å
- R factor = 0.066
- wR factor = 0.184
- Data-to-parameter ratio = 13.4
checkCIF/PLATON results
No syntax errors found
Alert level C PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor .... 2.1 Note PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor .... 2.1 Note PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.0054 Ang. PLAT360_ALERT_2_C Short C(sp3)-C(sp3) Bond C23 - C24 .. 1.43 Ang. PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 2.831 Check PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L= 0.600 2 Report
Alert level G PLAT007_ALERT_5_G Number of Unrefined Donor-H Atoms .............. 2 Report PLAT072_ALERT_2_G SHELXL First Parameter in WGHT Unusually Large. 0.10 Report PLAT909_ALERT_3_G Percentage of Observed Data at Theta(Max) still 65 % PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 2 Note
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 6 ALERT level C = Check. Ensure it is not caused by an omission or oversight 4 ALERT level G = General information/check it is not something unexpected 0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 4 ALERT type 2 Indicator that the structure model may be wrong or deficient 4 ALERT type 3 Indicator that the structure quality may be low 1 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check
The title compound was synthesized according to the literature (Ozeki et al. 1987). Single crystals suitable for X-ray diffraction were obtained by slow evaporation of an N,N-dimethylforamide solution of the compound at room temperature.
The H atoms of secondary amine [N—H 0.86 Å, Uiso(H) = 1.2Ueq(N)], methylene [C—H = 0.97 Å, Uiso(H) = 1.2Ueq(C)], and phenyl groups [C—H 0.93 Å, Uiso(H) = 1.2Ueq(C)] were placed in their geometric positions, and refined using a riding model. A rotating group model was applied for the H atoms of the methyl groups [C—H = 0.96 Å, Uiso(H) = 1.2Ueq(C)].
4-Quinolones show inhibition not only to Gram negative and Gram positive bacteria (Bisacchi, 2015), but also to human immunodeficiency virus (HIV) (Mugnaini et al., 2009). The inhibition to HIV is derived from their chelating ability to metal ions in the active site of metalloenzyme HIV integrase. According to our inhibitor design targeting metalloenzyme influenza virus RNA polymerase (Ishikawa & Fujii, 2011), we synthesized the title compound as a synthetic intermediate of final products.
The asymmetric unit contains two independent molecules, as shown in Fig. 1. The dihedral angle between the least-square planes of the quinoline rings of the 4-quinolone units is 73.30 (5)°. In the crystal, face-to-face π-π stacking interactions are found between the molecules and their inversion-symmetry equivalentsi,ii [centroid–centroid distances between the benzene rings of the 4-quinolone units = 3.597 (3)i and 3.881 (3) Åii, i: –x + 1, –y + 1, –z + 2, ii: –x + 2, –y + 2, –z + 1]. Molecules A are further linked with the translation-symmetry equivalents of the molecules B through bidentate N–H···O hydrogen bonds, as shown in Fig. 2.
For the biological background of this study, see: Mugnaini et al. (2009); Ishikawa & Fujii (2011); Bisacchi (2015). For the synthesis of the title compound, see: Ozeki et al. (1987). For related structures, see: Garudachari et al. (2012, 2013); Ishikawa & Yoshida (2014).
Data collection: WinAFC (Rigaku, 1999); cell refinement: WinAFC (Rigaku, 1999); data reduction: WinAFC (Rigaku, 1999); program(s) used to solve structure: SIR92 (Altomare et al., 1994); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: CrystalStructure (Rigaku, 2010); software used to prepare material for publication: CrystalStructure (Rigaku, 2010).
C12H10ClNO3 | Z = 4 |
Mr = 251.67 | F(000) = 520.00 |
Triclinic, P1 | Dx = 1.469 Mg m−3 |
Hall symbol: -P 1 | Cu Kα radiation, λ = 1.54178 Å |
a = 9.328 (5) Å | Cell parameters from 25 reflections |
b = 11.043 (2) Å | θ = 25.0–29.3° |
c = 12.350 (4) Å | µ = 2.96 mm−1 |
α = 73.298 (17)° | T = 298 K |
β = 70.57 (3)° | Prismatic, colorless |
γ = 77.22 (3)° | 0.25 × 0.15 × 0.15 mm |
V = 1137.8 (7) Å3 |
Rigaku AFC7R diffractometer | Rint = 0.047 |
ω–2θ scans | θmax = 68.0° |
Absorption correction: ψ scan (North et al., 1968) | h = −10→11 |
Tmin = 0.436, Tmax = 0.642 | k = −9→13 |
5652 measured reflections | l = −14→14 |
4147 independent reflections | 3 standard reflections every 150 reflections |
3328 reflections with F2 > 2.0σ(F2) | intensity decay: −0.9% |
Refinement on F2 | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.066 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.184 | H-atom parameters constrained |
S = 1.05 | w = 1/[σ2(Fo2) + (0.1039P)2 + 0.6522P] where P = (Fo2 + 2Fc2)/3 |
4147 reflections | (Δ/σ)max < 0.001 |
309 parameters | Δρmax = 0.49 e Å−3 |
0 restraints | Δρmin = −0.41 e Å−3 |
Primary atom site location: structure-invariant direct methods |
C12H10ClNO3 | γ = 77.22 (3)° |
Mr = 251.67 | V = 1137.8 (7) Å3 |
Triclinic, P1 | Z = 4 |
a = 9.328 (5) Å | Cu Kα radiation |
b = 11.043 (2) Å | µ = 2.96 mm−1 |
c = 12.350 (4) Å | T = 298 K |
α = 73.298 (17)° | 0.25 × 0.15 × 0.15 mm |
β = 70.57 (3)° |
Rigaku AFC7R diffractometer | 3328 reflections with F2 > 2.0σ(F2) |
Absorption correction: ψ scan (North et al., 1968) | Rint = 0.047 |
Tmin = 0.436, Tmax = 0.642 | 3 standard reflections every 150 reflections |
5652 measured reflections | intensity decay: −0.9% |
4147 independent reflections |
R[F2 > 2σ(F2)] = 0.066 | 0 restraints |
wR(F2) = 0.184 | H-atom parameters constrained |
S = 1.05 | Δρmax = 0.49 e Å−3 |
4147 reflections | Δρmin = −0.41 e Å−3 |
309 parameters |
Refinement. Refinement was performed using all reflections. The weighted R-factor (wR) and goodness of fit (S) are based on F2. R-factor (gt) are based on F. The threshold expression of F2 > 2.0 σ(F2) is used only for calculating R-factor (gt). |
x | y | z | Uiso*/Ueq | ||
Cl1 | 0.08408 (10) | 0.65841 (10) | 0.98364 (8) | 0.0840 (4) | |
Cl2 | 0.58312 (10) | 1.16556 (10) | 0.62449 (10) | 0.0843 (4) | |
O1 | 0.6848 (3) | 0.2777 (2) | 0.82920 (19) | 0.0660 (7) | |
O2 | 0.8378 (3) | 0.3772 (3) | 0.5944 (2) | 0.0701 (7) | |
O3 | 0.7027 (3) | 0.5425 (2) | 0.50191 (17) | 0.0557 (6) | |
O4 | 1.1706 (3) | 0.7698 (2) | 0.6817 (2) | 0.0641 (7) | |
O5 | 1.3355 (3) | 0.8720 (3) | 0.7792 (3) | 0.0807 (8) | |
O6 | 1.1962 (3) | 1.0279 (3) | 0.8650 (3) | 0.0758 (8) | |
N1 | 0.3633 (3) | 0.5894 (2) | 0.7925 (2) | 0.0463 (6) | |
N2 | 0.8636 (3) | 1.0913 (2) | 0.7116 (2) | 0.0498 (6) | |
C1 | 0.4819 (3) | 0.5701 (3) | 0.6996 (3) | 0.0439 (6) | |
C2 | 0.5972 (3) | 0.4684 (3) | 0.7047 (3) | 0.0433 (6) | |
C3 | 0.5924 (4) | 0.3757 (3) | 0.8155 (3) | 0.0446 (6) | |
C4 | 0.4510 (4) | 0.3239 (3) | 1.0303 (3) | 0.0537 (7) | |
C5 | 0.3293 (4) | 0.3460 (4) | 1.1246 (3) | 0.0602 (8) | |
C6 | 0.2151 (4) | 0.4483 (4) | 1.1103 (3) | 0.0631 (9) | |
C7 | 0.2249 (4) | 0.5289 (3) | 1.0010 (3) | 0.0531 (7) | |
C8 | 0.4622 (3) | 0.4037 (3) | 0.9171 (3) | 0.0433 (6) | |
C9 | 0.3498 (3) | 0.5084 (3) | 0.9022 (3) | 0.0429 (6) | |
C10 | 0.7249 (3) | 0.4555 (3) | 0.5978 (3) | 0.0455 (6) | |
C11 | 0.8225 (4) | 0.5353 (4) | 0.3913 (3) | 0.0622 (9) | |
C12 | 0.7820 (5) | 0.6430 (4) | 0.2991 (3) | 0.0687 (9) | |
C13 | 0.9825 (4) | 1.0692 (3) | 0.7539 (3) | 0.0490 (7) | |
C14 | 1.0937 (4) | 0.9640 (3) | 0.7463 (3) | 0.0472 (7) | |
C15 | 1.0809 (4) | 0.8692 (3) | 0.6907 (3) | 0.0467 (7) | |
C16 | 0.9258 (4) | 0.8116 (3) | 0.5878 (3) | 0.0522 (7) | |
C17 | 0.8017 (4) | 0.8339 (4) | 0.5473 (3) | 0.0615 (8) | |
C18 | 0.6941 (4) | 0.9426 (4) | 0.5603 (4) | 0.0662 (9) | |
C19 | 0.7149 (4) | 1.0284 (3) | 0.6131 (3) | 0.0559 (8) | |
C20 | 0.9476 (3) | 0.8971 (3) | 0.6448 (3) | 0.0446 (6) | |
C21 | 0.8410 (3) | 1.0076 (3) | 0.6566 (3) | 0.0444 (6) | |
C22 | 1.2215 (4) | 0.9479 (3) | 0.7954 (3) | 0.0544 (7) | |
C23 | 1.3084 (5) | 1.0104 (5) | 0.9282 (5) | 0.0885 (13) | |
C24 | 1.2729 (6) | 1.1118 (5) | 0.9879 (5) | 0.0966 (14) | |
H1 | 0.4869 | 0.6285 | 0.6276 | 0.0527* | |
H1A | 0.2936 | 0.6539 | 0.7837 | 0.0555* | |
H2 | 0.7989 | 1.1595 | 0.7187 | 0.0597* | |
H4 | 0.5272 | 0.2552 | 1.0411 | 0.0645* | |
H5 | 0.3230 | 0.2921 | 1.1988 | 0.0723* | |
H6 | 0.1319 | 0.4623 | 1.1747 | 0.0757* | |
H11A | 0.8290 | 0.4551 | 0.3713 | 0.0747* | |
H11B | 0.9212 | 0.5406 | 0.3986 | 0.0747* | |
H12A | 0.7703 | 0.7216 | 0.3219 | 0.0824* | |
H12B | 0.6873 | 0.6341 | 0.2893 | 0.0824* | |
H12C | 0.8619 | 0.6438 | 0.2260 | 0.0824* | |
H13 | 0.9916 | 1.1284 | 0.7909 | 0.0588* | |
H16 | 0.9973 | 0.7392 | 0.5779 | 0.0626* | |
H17 | 0.7882 | 0.7763 | 0.5106 | 0.0738* | |
H18 | 0.6086 | 0.9569 | 0.5333 | 0.0794* | |
H23A | 1.3054 | 0.9287 | 0.9850 | 0.1062* | |
H23B | 1.4107 | 1.0114 | 0.8733 | 0.1062* | |
H24A | 1.1696 | 1.1130 | 1.0390 | 0.1159* | |
H24B | 1.2828 | 1.1918 | 0.9308 | 0.1159* | |
H24C | 1.3426 | 1.0985 | 1.0338 | 0.1159* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.0547 (5) | 0.0919 (7) | 0.0693 (6) | 0.0301 (5) | 0.0002 (4) | −0.0157 (5) |
Cl2 | 0.0593 (6) | 0.0814 (7) | 0.1179 (8) | 0.0357 (5) | −0.0449 (6) | −0.0431 (6) |
O1 | 0.0787 (15) | 0.0485 (12) | 0.0563 (12) | 0.0336 (11) | −0.0233 (11) | −0.0177 (10) |
O2 | 0.0536 (13) | 0.0670 (15) | 0.0664 (14) | 0.0276 (11) | −0.0103 (11) | −0.0157 (12) |
O3 | 0.0501 (11) | 0.0544 (12) | 0.0470 (11) | 0.0140 (9) | −0.0064 (9) | −0.0133 (9) |
O4 | 0.0712 (15) | 0.0492 (12) | 0.0719 (14) | 0.0318 (11) | −0.0349 (12) | −0.0278 (11) |
O5 | 0.0585 (14) | 0.0736 (16) | 0.121 (3) | 0.0266 (12) | −0.0419 (15) | −0.0473 (16) |
O6 | 0.0698 (15) | 0.0779 (16) | 0.0975 (19) | 0.0253 (13) | −0.0478 (14) | −0.0465 (15) |
N1 | 0.0419 (12) | 0.0399 (12) | 0.0469 (13) | 0.0165 (10) | −0.0136 (10) | −0.0108 (10) |
N2 | 0.0472 (13) | 0.0390 (12) | 0.0579 (14) | 0.0169 (10) | −0.0176 (11) | −0.0178 (11) |
C1 | 0.0434 (14) | 0.0378 (13) | 0.0445 (14) | 0.0077 (11) | −0.0132 (11) | −0.0101 (11) |
C2 | 0.0427 (14) | 0.0377 (13) | 0.0486 (15) | 0.0086 (11) | −0.0157 (12) | −0.0165 (11) |
C3 | 0.0499 (15) | 0.0351 (13) | 0.0489 (15) | 0.0107 (11) | −0.0202 (12) | −0.0155 (11) |
C4 | 0.0640 (19) | 0.0403 (14) | 0.0541 (17) | 0.0024 (13) | −0.0219 (14) | −0.0082 (13) |
C5 | 0.070 (2) | 0.0568 (18) | 0.0477 (16) | −0.0097 (16) | −0.0160 (15) | −0.0036 (14) |
C6 | 0.0553 (18) | 0.073 (3) | 0.0500 (17) | −0.0062 (16) | −0.0034 (14) | −0.0135 (15) |
C7 | 0.0410 (15) | 0.0563 (17) | 0.0541 (17) | 0.0060 (13) | −0.0095 (12) | −0.0153 (14) |
C8 | 0.0478 (15) | 0.0354 (13) | 0.0473 (15) | 0.0018 (11) | −0.0166 (12) | −0.0128 (11) |
C9 | 0.0433 (14) | 0.0390 (13) | 0.0459 (14) | 0.0024 (11) | −0.0140 (11) | −0.0140 (11) |
C10 | 0.0423 (14) | 0.0408 (14) | 0.0508 (15) | 0.0066 (11) | −0.0143 (12) | −0.0151 (12) |
C11 | 0.0510 (18) | 0.070 (2) | 0.0513 (17) | 0.0107 (15) | −0.0031 (14) | −0.0209 (15) |
C12 | 0.071 (3) | 0.065 (2) | 0.0568 (19) | 0.0050 (17) | −0.0084 (16) | −0.0161 (16) |
C13 | 0.0484 (16) | 0.0412 (14) | 0.0547 (16) | 0.0092 (12) | −0.0160 (13) | −0.0174 (12) |
C14 | 0.0468 (15) | 0.0405 (14) | 0.0492 (15) | 0.0089 (12) | −0.0147 (12) | −0.0129 (12) |
C15 | 0.0494 (15) | 0.0368 (13) | 0.0441 (14) | 0.0140 (11) | −0.0128 (12) | −0.0104 (11) |
C16 | 0.0624 (18) | 0.0424 (15) | 0.0464 (15) | 0.0067 (13) | −0.0138 (13) | −0.0149 (12) |
C17 | 0.070 (2) | 0.0594 (19) | 0.0595 (19) | −0.0027 (16) | −0.0224 (16) | −0.0203 (15) |
C18 | 0.0578 (19) | 0.076 (3) | 0.069 (2) | 0.0039 (17) | −0.0299 (17) | −0.0203 (18) |
C19 | 0.0485 (16) | 0.0542 (17) | 0.0586 (18) | 0.0124 (13) | −0.0173 (14) | −0.0162 (14) |
C20 | 0.0473 (15) | 0.0372 (13) | 0.0392 (13) | 0.0068 (11) | −0.0082 (11) | −0.0085 (11) |
C21 | 0.0424 (14) | 0.0389 (13) | 0.0436 (14) | 0.0086 (11) | −0.0102 (11) | −0.0106 (11) |
C22 | 0.0505 (17) | 0.0473 (16) | 0.0614 (18) | 0.0093 (13) | −0.0188 (14) | −0.0155 (14) |
C23 | 0.077 (3) | 0.091 (3) | 0.115 (4) | 0.020 (3) | −0.054 (3) | −0.044 (3) |
C24 | 0.102 (4) | 0.101 (4) | 0.108 (4) | −0.009 (3) | −0.053 (3) | −0.034 (3) |
Cl1—C7 | 1.731 (3) | C15—C20 | 1.471 (5) |
Cl2—C19 | 1.734 (4) | C16—C17 | 1.356 (6) |
O1—C3 | 1.234 (4) | C16—C20 | 1.410 (5) |
O2—C10 | 1.203 (4) | C17—C18 | 1.394 (5) |
O3—C10 | 1.338 (4) | C18—C19 | 1.371 (7) |
O3—C11 | 1.459 (4) | C19—C21 | 1.398 (5) |
O4—C15 | 1.233 (4) | C20—C21 | 1.403 (4) |
O5—C22 | 1.197 (4) | C23—C24 | 1.434 (9) |
O6—C22 | 1.336 (5) | N1—H1A | 0.860 |
O6—C23 | 1.452 (7) | N2—H2 | 0.860 |
N1—C1 | 1.333 (4) | C1—H1 | 0.930 |
N1—C9 | 1.375 (4) | C4—H4 | 0.930 |
N2—C13 | 1.325 (5) | C5—H5 | 0.930 |
N2—C21 | 1.380 (5) | C6—H6 | 0.930 |
C1—C2 | 1.376 (4) | C11—H11A | 0.970 |
C2—C3 | 1.448 (4) | C11—H11B | 0.970 |
C2—C10 | 1.472 (4) | C12—H12A | 0.960 |
C3—C8 | 1.479 (4) | C12—H12B | 0.960 |
C4—C5 | 1.366 (5) | C12—H12C | 0.960 |
C4—C8 | 1.406 (4) | C13—H13 | 0.930 |
C5—C6 | 1.386 (5) | C16—H16 | 0.930 |
C6—C7 | 1.374 (5) | C17—H17 | 0.930 |
C7—C9 | 1.412 (4) | C18—H18 | 0.930 |
C8—C9 | 1.393 (4) | C23—H23A | 0.970 |
C11—C12 | 1.470 (5) | C23—H23B | 0.970 |
C13—C14 | 1.378 (4) | C24—H24A | 0.960 |
C14—C15 | 1.451 (5) | C24—H24B | 0.960 |
C14—C22 | 1.465 (6) | C24—H24C | 0.960 |
Cl1···N1 | 3.000 (3) | C9···H4ix | 3.3960 |
Cl2···N2 | 3.015 (4) | C9···H12Bxiv | 3.3338 |
O1···O2 | 2.786 (3) | C9···H24Bx | 3.5847 |
O1···C1 | 3.593 (4) | C10···H2iv | 3.2052 |
O1···C4 | 2.795 (4) | C10···H11Bv | 3.3254 |
O1···C10 | 2.924 (4) | C10···H16v | 3.5387 |
O2···C1 | 3.584 (4) | C10···H17 | 3.5173 |
O2···C3 | 2.920 (4) | C11···H6xvi | 3.3472 |
O2···C11 | 2.641 (4) | C11···H16v | 3.1099 |
O3···C1 | 2.664 (4) | C11···H17 | 3.3049 |
O4···O5 | 2.806 (5) | C12···H6xvi | 3.5409 |
O4···C13 | 3.591 (4) | C12···H13viii | 3.3546 |
O4···C16 | 2.786 (5) | C12···H17 | 3.3672 |
O4···C22 | 2.917 (5) | C12···H24Bviii | 3.0707 |
O5···C13 | 3.579 (4) | C13···H12Aviii | 3.3475 |
O5···C15 | 2.935 (5) | C13···H17viii | 3.4514 |
O5···C23 | 2.630 (7) | C13···H23Axv | 3.4444 |
O6···C13 | 2.669 (5) | C13···H24Axv | 2.9146 |
N1···C3 | 2.829 (4) | C14···H1Avi | 3.5009 |
N2···C15 | 2.830 (4) | C14···H24Axv | 3.0131 |
C1···C8 | 2.759 (4) | C15···H1Avi | 2.9607 |
C2···C9 | 2.810 (4) | C15···H24Axv | 3.4101 |
C4···C7 | 2.762 (5) | C16···H5ix | 3.0022 |
C5···C9 | 2.787 (4) | C16···H6ix | 3.5518 |
C6···C8 | 2.786 (4) | C16···H11Av | 3.3311 |
C13···C20 | 2.752 (5) | C17···H5ix | 2.9835 |
C14···C21 | 2.818 (5) | C17···H12A | 3.4729 |
C16···C19 | 2.763 (5) | C18···H5ix | 3.3207 |
C17···C21 | 2.787 (6) | C18···H18iii | 3.2531 |
C18···C20 | 2.783 (6) | C19···H23Bi | 3.4975 |
C22···C24 | 3.574 (8) | C20···H5ix | 3.3515 |
Cl1···O4i | 3.445 (3) | C21···H16viii | 3.5751 |
Cl1···O5i | 3.539 (3) | C21···H24Axv | 3.5848 |
Cl1···C22i | 3.582 (4) | C21···H24Cxv | 3.5887 |
Cl2···O1ii | 3.569 (4) | C22···H1Avi | 3.2020 |
Cl2···O2ii | 3.552 (4) | C22···H4vii | 3.5808 |
Cl2···C12iii | 3.575 (4) | C22···H12Aviii | 3.5259 |
O1···Cl2iv | 3.569 (4) | C23···H4vii | 2.9753 |
O1···N2iv | 2.777 (4) | C23···H24Cxvii | 3.3501 |
O1···C13iv | 3.250 (4) | C24···H4xi | 3.4444 |
O2···Cl2iv | 3.552 (4) | C24···H12Cviii | 3.5293 |
O2···N2iv | 3.064 (4) | H1···Cl2iii | 3.4520 |
O2···C11v | 3.582 (6) | H1···O4i | 2.9724 |
O2···C16v | 3.411 (4) | H1···O5i | 3.4911 |
O4···Cl1vi | 3.445 (3) | H1···H5ix | 3.5789 |
O4···N1vi | 2.748 (4) | H1···H11Axiv | 3.2713 |
O4···C1vi | 3.264 (4) | H1···H12Bxiv | 3.3710 |
O5···Cl1vi | 3.539 (3) | H1···H17 | 3.2601 |
O5···N1vi | 3.035 (4) | H1A···O4i | 1.9806 |
O5···C1vi | 3.595 (4) | H1A···O5i | 2.5061 |
O5···C4vii | 3.530 (5) | H1A···C14i | 3.5009 |
N1···O4i | 2.748 (4) | H1A···C15i | 2.9607 |
N1···O5i | 3.035 (4) | H1A···C22i | 3.2020 |
N2···O1ii | 2.777 (4) | H1A···H4ix | 3.5893 |
N2···O2ii | 3.064 (4) | H1A···H11Axiv | 3.1323 |
N2···C16viii | 3.536 (4) | H1A···H12Bxiv | 3.5003 |
C1···O4i | 3.264 (4) | H2···O1ii | 2.0354 |
C1···O5i | 3.595 (4) | H2···O2ii | 2.4827 |
C3···C6ix | 3.391 (6) | H2···C2ii | 3.4993 |
C4···O5vii | 3.530 (5) | H2···C3ii | 2.9860 |
C4···C8ix | 3.561 (5) | H2···C10ii | 3.2052 |
C4···C9ix | 3.320 (6) | H2···H16viii | 3.4976 |
C4···C24x | 3.394 (8) | H2···H23Axv | 3.3595 |
C5···C8ix | 3.547 (6) | H4···O5vii | 2.8000 |
C5···C9ix | 3.580 (6) | H4···N1ix | 3.5232 |
C6···C3ix | 3.391 (6) | H4···C7ix | 3.4967 |
C8···C4ix | 3.561 (5) | H4···C9ix | 3.3960 |
C8···C5ix | 3.547 (6) | H4···C22vii | 3.5808 |
C9···C4ix | 3.320 (6) | H4···C23vii | 2.9753 |
C9···C5ix | 3.580 (6) | H4···C24x | 3.4444 |
C11···O2v | 3.582 (6) | H4···H1Aix | 3.5893 |
C12···Cl2iii | 3.575 (4) | H4···H23Avii | 2.3028 |
C13···O1ii | 3.250 (4) | H4···H23Bvii | 2.8255 |
C13···C17viii | 3.565 (5) | H4···H24Bx | 3.2960 |
C15···C18viii | 3.496 (5) | H4···H24Cx | 2.7346 |
C15···C19viii | 3.569 (4) | H5···O5vii | 3.3522 |
C16···O2v | 3.411 (4) | H5···N1ix | 3.5029 |
C16···N2viii | 3.536 (4) | H5···C1ix | 3.3232 |
C16···C21viii | 3.452 (4) | H5···C2ix | 3.4991 |
C17···C13viii | 3.565 (5) | H5···C16ix | 3.0022 |
C18···C15viii | 3.496 (5) | H5···C17ix | 2.9835 |
C19···C15viii | 3.569 (4) | H5···C18ix | 3.3207 |
C20···C20viii | 3.592 (4) | H5···C20ix | 3.3515 |
C20···C21viii | 3.555 (4) | H5···H1ix | 3.5789 |
C21···C16viii | 3.452 (4) | H5···H16ix | 3.3282 |
C21···C20viii | 3.555 (4) | H5···H17ix | 3.2919 |
C22···Cl1vi | 3.582 (4) | H5···H24Cx | 3.2924 |
C24···C4xi | 3.394 (8) | H6···C3ix | 3.4919 |
Cl1···H1A | 2.5955 | H6···C11xii | 3.3472 |
Cl1···H6 | 2.7913 | H6···C12xii | 3.5409 |
Cl2···H2 | 2.6194 | H6···C16ix | 3.5518 |
Cl2···H18 | 2.7763 | H6···H11Axii | 3.0507 |
O1···H4 | 2.5092 | H6···H11Bxii | 3.0432 |
O2···H11A | 2.6635 | H6···H12Cxii | 2.8622 |
O2···H11B | 2.5628 | H6···H16ix | 3.2512 |
O3···H1 | 2.2987 | H11A···O4v | 2.7435 |
O3···H12A | 2.5189 | H11A···N1xiv | 3.3055 |
O3···H12B | 2.5684 | H11A···C1xiv | 3.3821 |
O3···H12C | 3.2006 | H11A···C16v | 3.3311 |
O4···H16 | 2.4985 | H11A···H1xiv | 3.2713 |
O5···H23A | 2.6999 | H11A···H1Axiv | 3.1323 |
O5···H23B | 2.5016 | H11A···H6xvi | 3.0507 |
O6···H13 | 2.3136 | H11A···H16v | 2.4474 |
O6···H24A | 2.5027 | H11B···O2v | 2.6385 |
O6···H24B | 2.5533 | H11B···C10v | 3.3254 |
O6···H24C | 3.1812 | H11B···H6xvi | 3.0432 |
C2···H1A | 3.1484 | H11B···H11Bv | 3.1324 |
C3···H1 | 3.2749 | H11B···H16v | 2.9670 |
C3···H4 | 2.6459 | H11B···H17 | 3.1192 |
C4···H6 | 3.2247 | H12A···Cl2iii | 3.1724 |
C6···H4 | 3.2250 | H12A···O6viii | 3.0510 |
C7···H1A | 2.5766 | H12A···C13viii | 3.3475 |
C7···H5 | 3.2255 | H12A···C17 | 3.4729 |
C8···H1A | 3.1641 | H12A···C22viii | 3.5259 |
C8···H5 | 3.2474 | H12A···H13viii | 2.8037 |
C9···H1 | 3.1894 | H12A···H17 | 2.6339 |
C9···H4 | 3.2535 | H12A···H24Bviii | 3.1621 |
C9···H6 | 3.2616 | H12B···Cl2iii | 3.0802 |
C10···H1 | 2.5882 | H12B···N1xiv | 3.0986 |
C10···H11A | 2.6394 | H12B···C1xiv | 2.9743 |
C10···H11B | 2.5927 | H12B···C2xiv | 3.0787 |
C14···H2 | 3.1480 | H12B···C3xiv | 3.3085 |
C15···H13 | 3.2727 | H12B···C8xiv | 3.4431 |
C15···H16 | 2.6415 | H12B···C9xiv | 3.3338 |
C16···H18 | 3.2230 | H12B···H1xiv | 3.3710 |
C18···H16 | 3.2258 | H12B···H1Axiv | 3.5003 |
C19···H2 | 2.5841 | H12B···H24Bviii | 2.8090 |
C19···H17 | 3.2289 | H12C···Cl1xvi | 3.0035 |
C20···H2 | 3.1707 | H12C···O6viii | 3.4495 |
C20···H17 | 3.2437 | H12C···C24viii | 3.5293 |
C21···H13 | 3.1862 | H12C···H6xvi | 2.8622 |
C21···H16 | 3.2643 | H12C···H13viii | 3.0454 |
C21···H18 | 3.2495 | H12C···H24Bviii | 2.7388 |
C22···H13 | 2.5883 | H13···O1ii | 2.9311 |
C22···H23A | 2.6455 | H13···O2ii | 3.4981 |
C22···H23B | 2.5678 | H13···C12viii | 3.3546 |
H1···H1A | 2.1951 | H13···H12Aviii | 2.8037 |
H2···H13 | 2.1819 | H13···H12Cviii | 3.0454 |
H4···H5 | 2.2876 | H13···H17viii | 3.5783 |
H5···H6 | 2.3133 | H13···H23Axv | 3.2242 |
H11A···H12A | 2.7948 | H13···H24Axv | 3.1982 |
H11A···H12B | 2.2943 | H16···O2v | 2.6581 |
H11A···H12C | 2.3285 | H16···N2viii | 3.4800 |
H11B···H12A | 2.3300 | H16···C10v | 3.5387 |
H11B···H12B | 2.7947 | H16···C11v | 3.1099 |
H11B···H12C | 2.2929 | H16···C21viii | 3.5751 |
H16···H17 | 2.2784 | H16···H2viii | 3.4976 |
H17···H18 | 2.3222 | H16···H5ix | 3.3282 |
H23A···H24A | 2.2952 | H16···H6ix | 3.2512 |
H23A···H24B | 2.7647 | H16···H11Av | 2.4474 |
H23A···H24C | 2.2536 | H16···H11Bv | 2.9670 |
H23B···H24A | 2.7650 | H17···O2v | 3.5157 |
H23B···H24B | 2.2578 | H17···O3 | 2.9058 |
H23B···H24C | 2.2908 | H17···C10 | 3.5173 |
Cl1···H12Cxii | 3.0035 | H17···C11 | 3.3049 |
Cl1···H24Axiii | 3.0728 | H17···C12 | 3.3672 |
Cl1···H24Bxiii | 3.4138 | H17···C13viii | 3.4514 |
Cl2···H1iii | 3.4520 | H17···H1 | 3.2601 |
Cl2···H12Aiii | 3.1724 | H17···H5ix | 3.2919 |
Cl2···H12Biii | 3.0802 | H17···H11B | 3.1192 |
Cl2···H23Bi | 3.1372 | H17···H12A | 2.6339 |
O1···H2iv | 2.0354 | H17···H13viii | 3.5783 |
O1···H13iv | 2.9311 | H18···O5i | 3.2961 |
O1···H23Avii | 2.7404 | H18···C18iii | 3.2531 |
O2···H2iv | 2.4827 | H18···H18iii | 2.3421 |
O2···H11Bv | 2.6385 | H23A···O1vii | 2.7404 |
O2···H13iv | 3.4981 | H23A···N2xv | 3.5095 |
O2···H16v | 2.6581 | H23A···C4vii | 3.1923 |
O2···H17v | 3.5157 | H23A···C13xv | 3.4444 |
O3···H17 | 2.9058 | H23A···H2xv | 3.3595 |
O4···H1vi | 2.9724 | H23A···H4vii | 2.3028 |
O4···H1Avi | 1.9806 | H23A···H13xv | 3.2242 |
O4···H11Av | 2.7435 | H23A···H24Cxvii | 3.1658 |
O5···H1vi | 3.4911 | H23B···Cl2vi | 3.1372 |
O5···H1Avi | 2.5061 | H23B···C19vi | 3.4975 |
O5···H4vii | 2.8000 | H23B···H4vii | 2.8255 |
O5···H5vii | 3.3522 | H23B···H24Cxvii | 2.7935 |
O5···H18vi | 3.2961 | H24A···Cl1xiii | 3.0728 |
O6···H12Aviii | 3.0510 | H24A···N2xv | 3.2174 |
O6···H12Cviii | 3.4495 | H24A···C13xv | 2.9146 |
N1···H4ix | 3.5232 | H24A···C14xv | 3.0131 |
N1···H5ix | 3.5029 | H24A···C15xv | 3.4101 |
N1···H11Axiv | 3.3055 | H24A···C21xv | 3.5848 |
N1···H12Bxiv | 3.0986 | H24A···H13xv | 3.1982 |
N2···H16viii | 3.4800 | H24B···Cl1xiii | 3.4138 |
N2···H23Axv | 3.5095 | H24B···C3xi | 3.5623 |
N2···H24Axv | 3.2174 | H24B···C4xi | 3.0695 |
N2···H24Cxv | 3.4565 | H24B···C5xi | 3.4891 |
C1···H5ix | 3.3232 | H24B···C8xi | 3.1021 |
C1···H11Axiv | 3.3821 | H24B···C9xi | 3.5847 |
C1···H12Bxiv | 2.9743 | H24B···C12viii | 3.0707 |
C2···H2iv | 3.4993 | H24B···H4xi | 3.2960 |
C2···H5ix | 3.4991 | H24B···H12Aviii | 3.1621 |
C2···H12Bxiv | 3.0787 | H24B···H12Bviii | 2.8090 |
C3···H2iv | 2.9860 | H24B···H12Cviii | 2.7388 |
C3···H6ix | 3.4919 | H24C···N2xv | 3.4565 |
C3···H12Bxiv | 3.3085 | H24C···C4xi | 2.8703 |
C3···H24Bx | 3.5623 | H24C···C5xi | 3.2032 |
C4···H23Avii | 3.1923 | H24C···C8xi | 3.5332 |
C4···H24Bx | 3.0695 | H24C···C21xv | 3.5887 |
C4···H24Cx | 2.8703 | H24C···C23xvii | 3.3501 |
C5···H24Bx | 3.4891 | H24C···H4xi | 2.7346 |
C5···H24Cx | 3.2032 | H24C···H5xi | 3.2924 |
C7···H4ix | 3.4967 | H24C···H23Axvii | 3.1658 |
C8···H12Bxiv | 3.4431 | H24C···H23Bxvii | 2.7935 |
C8···H24Bx | 3.1021 | H24C···H24Cxvii | 3.2614 |
C8···H24Cx | 3.5332 | ||
C10—O3—C11 | 116.0 (3) | O5—C22—O6 | 122.1 (4) |
C22—O6—C23 | 116.2 (3) | O5—C22—C14 | 126.0 (4) |
C1—N1—C9 | 121.5 (3) | O6—C22—C14 | 111.8 (3) |
C13—N2—C21 | 121.6 (3) | O6—C23—C24 | 108.7 (4) |
N1—C1—C2 | 123.5 (3) | C1—N1—H1A | 119.268 |
C1—C2—C3 | 119.6 (3) | C9—N1—H1A | 119.263 |
C1—C2—C10 | 119.8 (3) | C13—N2—H2 | 119.225 |
C3—C2—C10 | 120.7 (3) | C21—N2—H2 | 119.224 |
O1—C3—C2 | 125.2 (3) | N1—C1—H1 | 118.267 |
O1—C3—C8 | 119.6 (3) | C2—C1—H1 | 118.268 |
C2—C3—C8 | 115.1 (3) | C5—C4—H4 | 119.631 |
C5—C4—C8 | 120.7 (3) | C8—C4—H4 | 119.632 |
C4—C5—C6 | 120.4 (3) | C4—C5—H5 | 119.785 |
C5—C6—C7 | 119.9 (3) | C6—C5—H5 | 119.782 |
Cl1—C7—C6 | 119.9 (3) | C5—C6—H6 | 120.055 |
Cl1—C7—C9 | 119.3 (3) | C7—C6—H6 | 120.052 |
C6—C7—C9 | 120.8 (3) | O3—C11—H11A | 110.210 |
C3—C8—C4 | 119.9 (3) | O3—C11—H11B | 110.206 |
C3—C8—C9 | 120.7 (3) | C12—C11—H11A | 110.205 |
C4—C8—C9 | 119.3 (3) | C12—C11—H11B | 110.201 |
N1—C9—C7 | 121.7 (3) | H11A—C11—H11B | 108.495 |
N1—C9—C8 | 119.6 (3) | C11—C12—H12A | 109.473 |
C7—C9—C8 | 118.8 (3) | C11—C12—H12B | 109.470 |
O2—C10—O3 | 122.5 (3) | C11—C12—H12C | 109.478 |
O2—C10—C2 | 125.3 (3) | H12A—C12—H12B | 109.463 |
O3—C10—C2 | 112.2 (3) | H12A—C12—H12C | 109.472 |
O3—C11—C12 | 107.5 (3) | H12B—C12—H12C | 109.471 |
N2—C13—C14 | 124.1 (4) | N2—C13—H13 | 117.980 |
C13—C14—C15 | 119.1 (4) | C14—C13—H13 | 117.965 |
C13—C14—C22 | 120.1 (4) | C17—C16—H16 | 119.658 |
C15—C14—C22 | 120.8 (3) | C20—C16—H16 | 119.643 |
O4—C15—C14 | 125.0 (4) | C16—C17—H17 | 119.773 |
O4—C15—C20 | 119.7 (4) | C18—C17—H17 | 119.776 |
C14—C15—C20 | 115.3 (3) | C17—C18—H18 | 120.092 |
C17—C16—C20 | 120.7 (3) | C19—C18—H18 | 120.094 |
C16—C17—C18 | 120.5 (4) | O6—C23—H23A | 109.956 |
C17—C18—C19 | 119.8 (4) | O6—C23—H23B | 109.955 |
Cl2—C19—C18 | 119.2 (3) | C24—C23—H23A | 109.957 |
Cl2—C19—C21 | 119.7 (3) | C24—C23—H23B | 109.953 |
C18—C19—C21 | 121.1 (3) | H23A—C23—H23B | 108.342 |
C15—C20—C16 | 119.7 (3) | C23—C24—H24A | 109.475 |
C15—C20—C21 | 121.1 (3) | C23—C24—H24B | 109.472 |
C16—C20—C21 | 119.1 (3) | C23—C24—H24C | 109.473 |
N2—C21—C19 | 122.4 (3) | H24A—C24—H24B | 109.472 |
N2—C21—C20 | 118.9 (3) | H24A—C24—H24C | 109.470 |
C19—C21—C20 | 118.8 (4) | H24B—C24—H24C | 109.466 |
C10—O3—C11—C12 | −176.3 (3) | C3—C8—C9—N1 | −2.5 (5) |
C10—O3—C11—H11A | 63.6 | C3—C8—C9—C7 | 177.9 (3) |
C10—O3—C11—H11B | −56.2 | C4—C8—C9—N1 | 177.7 (3) |
C11—O3—C10—O2 | 1.3 (5) | C4—C8—C9—C7 | −1.9 (5) |
C11—O3—C10—C2 | −178.9 (3) | O3—C11—C12—H12A | 56.7 |
C22—O6—C23—C24 | 173.8 (3) | O3—C11—C12—H12B | −63.3 |
C22—O6—C23—H23A | −65.8 | O3—C11—C12—H12C | 176.7 |
C22—O6—C23—H23B | 53.4 | H11A—C11—C12—H12A | 176.8 |
C23—O6—C22—O5 | −5.1 (4) | H11A—C11—C12—H12B | 56.8 |
C23—O6—C22—C14 | 173.6 (3) | H11A—C11—C12—H12C | −63.2 |
C1—N1—C9—C7 | 179.6 (3) | H11B—C11—C12—H12A | −63.5 |
C1—N1—C9—C8 | −0.0 (5) | H11B—C11—C12—H12B | 176.6 |
C9—N1—C1—C2 | 1.2 (5) | H11B—C11—C12—H12C | 56.5 |
C9—N1—C1—H1 | −178.8 | N2—C13—C14—C15 | −1.0 (4) |
H1A—N1—C1—C2 | −178.8 | N2—C13—C14—C22 | 179.8 (2) |
H1A—N1—C1—H1 | 1.2 | H13—C13—C14—C15 | 179.0 |
H1A—N1—C9—C7 | −0.4 | H13—C13—C14—C22 | −0.2 |
H1A—N1—C9—C8 | −180.0 | C13—C14—C15—O4 | −177.9 (3) |
C13—N2—C21—C19 | 179.0 (2) | C13—C14—C15—C20 | 1.0 (4) |
C13—N2—C21—C20 | −0.4 (4) | C13—C14—C22—O5 | −168.2 (3) |
C21—N2—C13—C14 | 0.7 (4) | C13—C14—C22—O6 | 13.1 (4) |
C21—N2—C13—H13 | −179.3 | C15—C14—C22—O5 | 12.6 (4) |
H2—N2—C13—C14 | −179.3 | C15—C14—C22—O6 | −166.0 (2) |
H2—N2—C13—H13 | 0.7 | C22—C14—C15—O4 | 1.4 (4) |
H2—N2—C21—C19 | −1.0 | C22—C14—C15—C20 | −179.8 (2) |
H2—N2—C21—C20 | 179.6 | O4—C15—C20—C16 | −1.9 (4) |
N1—C1—C2—C3 | 0.2 (5) | O4—C15—C20—C21 | 178.2 (2) |
N1—C1—C2—C10 | −179.2 (3) | C14—C15—C20—C16 | 179.21 (19) |
H1—C1—C2—C3 | −179.8 | C14—C15—C20—C21 | −0.7 (3) |
H1—C1—C2—C10 | 0.8 | C17—C16—C20—C15 | 178.5 (3) |
C1—C2—C3—O1 | 176.1 (3) | C17—C16—C20—C21 | −1.6 (4) |
C1—C2—C3—C8 | −2.5 (5) | C20—C16—C17—C18 | 0.7 (4) |
C1—C2—C10—O2 | 173.2 (4) | C20—C16—C17—H17 | −179.3 |
C1—C2—C10—O3 | −6.5 (5) | H16—C16—C17—C18 | −179.3 |
C3—C2—C10—O2 | −6.2 (6) | H16—C16—C17—H17 | 0.7 |
C3—C2—C10—O3 | 174.1 (3) | H16—C16—C20—C15 | −1.5 |
C10—C2—C3—O1 | −4.5 (6) | H16—C16—C20—C21 | 178.4 |
C10—C2—C3—C8 | 176.9 (3) | C16—C17—C18—C19 | 0.8 (5) |
O1—C3—C8—C4 | 4.8 (5) | C16—C17—C18—H18 | −179.2 |
O1—C3—C8—C9 | −175.0 (3) | H17—C17—C18—C19 | −179.2 |
C2—C3—C8—C4 | −176.5 (3) | H17—C17—C18—H18 | 0.8 |
C2—C3—C8—C9 | 3.6 (5) | C17—C18—C19—Cl2 | 178.0 (3) |
C5—C4—C8—C3 | −178.1 (4) | C17—C18—C19—C21 | −1.3 (5) |
C5—C4—C8—C9 | 1.7 (6) | H18—C18—C19—Cl2 | −2.0 |
C8—C4—C5—C6 | −0.4 (6) | H18—C18—C19—C21 | 178.7 |
C8—C4—C5—H5 | 179.6 | Cl2—C19—C21—N2 | 1.6 (4) |
H4—C4—C5—C6 | 179.6 | Cl2—C19—C21—C20 | −179.00 (16) |
H4—C4—C5—H5 | −0.4 | C18—C19—C21—N2 | −179.0 (3) |
H4—C4—C8—C3 | 1.9 | C18—C19—C21—C20 | 0.4 (4) |
H4—C4—C8—C9 | −178.2 | C15—C20—C21—N2 | 0.4 (4) |
C4—C5—C6—C7 | −0.7 (7) | C15—C20—C21—C19 | −178.99 (19) |
C4—C5—C6—H6 | 179.3 | C16—C20—C21—N2 | −179.5 (2) |
H5—C5—C6—C7 | 179.3 | C16—C20—C21—C19 | 1.1 (4) |
H5—C5—C6—H6 | −0.7 | O6—C23—C24—H24A | 56.6 |
C5—C6—C7—Cl1 | −178.8 (4) | O6—C23—C24—H24B | −63.4 |
C5—C6—C7—C9 | 0.5 (7) | O6—C23—C24—H24C | 176.6 |
H6—C6—C7—Cl1 | 1.2 | H23A—C23—C24—H24A | −63.8 |
H6—C6—C7—C9 | −179.5 | H23A—C23—C24—H24B | 176.2 |
Cl1—C7—C9—N1 | 0.6 (5) | H23A—C23—C24—H24C | 56.2 |
Cl1—C7—C9—C8 | −179.8 (3) | H23B—C23—C24—H24A | 177.0 |
C6—C7—C9—N1 | −178.7 (4) | H23B—C23—C24—H24B | 57.0 |
C6—C7—C9—C8 | 0.9 (6) | H23B—C23—C24—H24C | −63.0 |
Symmetry codes: (i) x−1, y, z; (ii) x, y+1, z; (iii) −x+1, −y+2, −z+1; (iv) x, y−1, z; (v) −x+2, −y+1, −z+1; (vi) x+1, y, z; (vii) −x+2, −y+1, −z+2; (viii) −x+2, −y+2, −z+1; (ix) −x+1, −y+1, −z+2; (x) x−1, y−1, z; (xi) x+1, y+1, z; (xii) x−1, y, z+1; (xiii) −x+1, −y+2, −z+2; (xiv) −x+1, −y+1, −z+1; (xv) −x+2, −y+2, −z+2; (xvi) x+1, y, z−1; (xvii) −x+3, −y+2, −z+2. |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1A···O4i | 0.86 | 1.98 | 2.748 (4) | 148 |
N1—H1A···O5i | 0.86 | 2.51 | 3.035 (4) | 121 |
N2—H2···O1ii | 0.86 | 2.04 | 2.777 (4) | 144 |
N2—H2···O2ii | 0.86 | 2.48 | 3.064 (4) | 126 |
Symmetry codes: (i) x−1, y, z; (ii) x, y+1, z. |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1A···O4i | 0.86 | 1.981 | 2.748 (4) | 148 |
N1—H1A···O5i | 0.86 | 2.506 | 3.035 (4) | 121 |
N2—H2···O1ii | 0.86 | 2.035 | 2.777 (4) | 144 |
N2—H2···O2ii | 0.86 | 2.483 | 3.064 (4) | 126 |
Symmetry codes: (i) x−1, y, z; (ii) x, y+1, z. |
4-Quinolones show inhibition not only to Gram negative and Gram positive bacteria (Bisacchi, 2015), but also to human immunodeficiency virus (HIV) (Mugnaini et al., 2009). The inhibition to HIV is derived from their chelating ability to metal ions in the active site of metalloenzyme HIV integrase. According to our inhibitor design targeting metalloenzyme influenza virus RNA polymerase (Ishikawa & Fujii, 2011), we synthesized the title compound as a synthetic intermediate of final products.
The asymmetric unit contains two independent molecules, as shown in Fig. 1. The dihedral angle between the least-square planes of the quinoline rings of the 4-quinolone units is 73.30 (5)°. In the crystal, face-to-face π-π stacking interactions are found between the molecules and their inversion-symmetry equivalentsi,ii [centroid–centroid distances between the benzene rings of the 4-quinolone units = 3.597 (3)i and 3.881 (3) Åii, i: –x + 1, –y + 1, –z + 2, ii: –x + 2, –y + 2, –z + 1]. Molecules A are further linked with the translation-symmetry equivalents of the molecules B through bidentate N–H···O hydrogen bonds, as shown in Fig. 2.