organic compounds
2-[3,5-Dioxo-4-(pyridin-3-yl)piperazin-1-yl]acetic acid
aDepartment of Chemistry, Yazd Branch, Islamic Azad University, PO Box 89195-155, Yazd, Iran
*Correspondence e-mail: mhmosslemin@yahoo.com
In the title compound, C11H11N3O4, the 3,5-dioxopiperazine ring adopts an with the N atom connecting to the –CH2COOH group on the flap. In the crystal, molecules are linked by O—H⋯N hydrogen bonds to produce a linear chain running along the c axis. π–π stacking is observed between parallel pyridine rings of adjacent molecules, the centroid–centroid distance being 3.834 (2) Å.
Related literature
For the pharmaceutical activity, see: Parcel (1961); Creighton et al. (1969); Hasinoff et al. (1998). For related structures, see: Hasinoff et al. (2004); Mancilla et al. (2002); Skrzypczak-Jankun et al. (1999); Hempel et al. (1981); Jolley et al. (1999); Liu et al. (1998); Davies et al. (1998); Smith et al. (1992).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 2007); cell SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999).
Supporting information
10.1107/S1600536812003455/xu5454sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536812003455/xu5454Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536812003455/xu5454Isup3.cml
A solution of 3-aminopyridine (0.94 gr, 0.01 mole) in 20 ml pyridine was added to a solution of 1.91 gr (0.01 mole) nitrilotriacetic acid in 20 ml pyridine. The resulting solution was stirred at 313 K for 1 h, then 2.6 ml triphenyl phosphite was added dropwise, and the reaction mixture was stirred at 373 K for 10 h and at ambient temperature for 48 h. the product was obtained by addition of cold water to oyridine solution. X-ray quality crystals were obtained by slow diffusion of diethyl ether into a CH2Cl2 solution at room temperature.
The carboxyl H atom was located in a difference Fourier map and refined isotropically. Other H atoms were positioned geometrically with C—H = 0.93 and 0.97 Å for aromatic H and methylene H atoms, respectively, and constrained to ride on their parent atoms with Uiso(H) = 1.2Ueq(C).
Data collection: SMART (Bruker, 2007); cell
SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999).Fig. 1. The molecular structure of the title molecule, with the atom-numbering scheme. Displacement ellipsoids are drawn at the 50% probability level. | |
Fig. 2. Unit-cell packing diagram for (I). |
C11H11N3O4 | F(000) = 1040 |
Mr = 249.23 | Dx = 1.469 Mg m−3 |
Orthorhombic, Pbca | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ac 2ab | Cell parameters from 5235 reflections |
a = 12.762 (2) Å | θ = 2.4–26° |
b = 7.9495 (10) Å | µ = 0.11 mm−1 |
c = 22.218 (3) Å | T = 298 K |
V = 2254.0 (6) Å3 | Block, colorless |
Z = 8 | 0.3 × 0.07 × 0.06 mm |
Bruker SMART 1000 CCD diffractometer | 1355 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.082 |
ϕ and ω scans | θmax = 26.0°, θmin = 2.4° |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | h = −15→13 |
Tmin = 0.986, Tmax = 0.996 | k = −9→8 |
5235 measured reflections | l = −27→18 |
2181 independent reflections |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.083 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.139 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.13 | w = 1/[σ2(Fo2) + (0.0234P)2 + 2.3505P] where P = (Fo2 + 2Fc2)/3 |
2181 reflections | (Δ/σ)max = 0.003 |
167 parameters | Δρmax = 0.19 e Å−3 |
1 restraint | Δρmin = −0.18 e Å−3 |
C11H11N3O4 | V = 2254.0 (6) Å3 |
Mr = 249.23 | Z = 8 |
Orthorhombic, Pbca | Mo Kα radiation |
a = 12.762 (2) Å | µ = 0.11 mm−1 |
b = 7.9495 (10) Å | T = 298 K |
c = 22.218 (3) Å | 0.3 × 0.07 × 0.06 mm |
Bruker SMART 1000 CCD diffractometer | 2181 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | 1355 reflections with I > 2σ(I) |
Tmin = 0.986, Tmax = 0.996 | Rint = 0.082 |
5235 measured reflections |
R[F2 > 2σ(F2)] = 0.083 | 1 restraint |
wR(F2) = 0.139 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.13 | Δρmax = 0.19 e Å−3 |
2181 reflections | Δρmin = −0.18 e Å−3 |
167 parameters |
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 | ||
C1 | 0.6306 (3) | 0.9688 (5) | 0.48064 (15) | 0.0465 (10) | |
H1 | 0.6305 | 0.9635 | 0.4388 | 0.056* | |
C2 | 0.6268 (3) | 0.8204 (5) | 0.51293 (17) | 0.0468 (10) | |
H2 | 0.624 | 0.7174 | 0.4932 | 0.056* | |
C3 | 0.6274 (3) | 0.8274 (5) | 0.57515 (16) | 0.0409 (9) | |
H3 | 0.6243 | 0.7296 | 0.598 | 0.049* | |
C4 | 0.6326 (3) | 0.9824 (4) | 0.60224 (14) | 0.0352 (8) | |
C5 | 0.6357 (3) | 1.1239 (5) | 0.56714 (15) | 0.0420 (9) | |
H5 | 0.6388 | 1.2282 | 0.5861 | 0.05* | |
C6 | 0.5383 (3) | 1.0558 (4) | 0.69368 (15) | 0.0353 (8) | |
C7 | 0.5406 (3) | 1.0795 (5) | 0.76080 (15) | 0.0429 (9) | |
H7A | 0.5573 | 1.1957 | 0.7701 | 0.051* | |
H7B | 0.4721 | 1.0547 | 0.7774 | 0.051* | |
C8 | 0.7256 (3) | 0.9787 (5) | 0.69787 (16) | 0.0396 (9) | |
C9 | 0.7218 (3) | 1.0056 (5) | 0.76503 (15) | 0.0422 (9) | |
H9A | 0.7722 | 0.9324 | 0.7845 | 0.051* | |
H9B | 0.7404 | 1.1211 | 0.7742 | 0.051* | |
C10 | 0.6095 (4) | 0.9576 (4) | 0.85320 (15) | 0.0459 (10) | |
H10A | 0.6585 | 0.8723 | 0.8668 | 0.055* | |
H10B | 0.5396 | 0.9184 | 0.8629 | 0.055* | |
C11 | 0.6299 (3) | 1.1167 (5) | 0.88859 (15) | 0.0403 (9) | |
N1 | 0.6345 (3) | 1.1197 (4) | 0.50719 (13) | 0.0436 (8) | |
N2 | 0.6320 (2) | 1.0005 (4) | 0.66694 (11) | 0.0347 (7) | |
N3 | 0.6179 (2) | 0.9703 (3) | 0.78789 (11) | 0.0368 (7) | |
O1 | 0.4629 (2) | 1.0852 (4) | 0.66345 (12) | 0.0542 (8) | |
O2 | 0.8058 (2) | 0.9448 (4) | 0.67151 (13) | 0.0665 (9) | |
O3 | 0.6582 (3) | 1.2471 (3) | 0.86656 (12) | 0.0666 (9) | |
O4 | 0.6119 (3) | 1.0957 (4) | 0.94599 (11) | 0.0555 (8) | |
H4 | 0.624 (4) | 1.184 (3) | 0.9643 (18) | 0.075 (16)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.046 (2) | 0.073 (3) | 0.0202 (16) | 0.001 (2) | −0.0019 (16) | −0.0060 (17) |
C2 | 0.047 (2) | 0.054 (2) | 0.039 (2) | 0.005 (2) | −0.0012 (18) | −0.0145 (18) |
C3 | 0.048 (2) | 0.040 (2) | 0.0349 (19) | 0.003 (2) | −0.0048 (18) | 0.0003 (15) |
C4 | 0.0376 (19) | 0.042 (2) | 0.0254 (17) | −0.0002 (17) | −0.0022 (15) | −0.0012 (15) |
C5 | 0.050 (2) | 0.045 (2) | 0.032 (2) | −0.0020 (19) | −0.0027 (17) | −0.0003 (16) |
C6 | 0.043 (2) | 0.0343 (18) | 0.0291 (17) | 0.0007 (17) | −0.0040 (15) | 0.0005 (15) |
C7 | 0.042 (2) | 0.057 (2) | 0.0298 (19) | 0.002 (2) | 0.0034 (16) | −0.0072 (17) |
C8 | 0.039 (2) | 0.049 (2) | 0.0312 (19) | 0.0054 (18) | −0.0010 (16) | 0.0000 (16) |
C9 | 0.048 (2) | 0.055 (2) | 0.0230 (17) | 0.011 (2) | −0.0047 (15) | 0.0000 (16) |
C10 | 0.069 (3) | 0.041 (2) | 0.0267 (19) | −0.002 (2) | 0.0033 (18) | −0.0004 (15) |
C11 | 0.047 (2) | 0.047 (2) | 0.0272 (18) | 0.0006 (19) | 0.0003 (16) | −0.0007 (16) |
N1 | 0.0453 (19) | 0.059 (2) | 0.0262 (16) | −0.0008 (17) | −0.0003 (14) | 0.0072 (14) |
N2 | 0.0394 (16) | 0.0410 (17) | 0.0237 (14) | 0.0048 (14) | 0.0025 (12) | 0.0010 (12) |
N3 | 0.053 (2) | 0.0360 (15) | 0.0218 (14) | −0.0003 (15) | 0.0027 (13) | 0.0013 (11) |
O1 | 0.0466 (16) | 0.077 (2) | 0.0385 (15) | 0.0163 (16) | −0.0113 (12) | −0.0093 (14) |
O2 | 0.0398 (16) | 0.121 (3) | 0.0391 (17) | 0.0152 (18) | −0.0009 (13) | −0.0150 (17) |
O3 | 0.112 (3) | 0.0494 (16) | 0.0379 (15) | −0.0274 (19) | 0.0120 (17) | −0.0063 (14) |
O4 | 0.091 (2) | 0.0530 (18) | 0.0222 (13) | −0.0052 (18) | 0.0078 (14) | −0.0028 (12) |
C1—N1 | 1.338 (5) | C7—H7A | 0.97 |
C1—C2 | 1.381 (5) | C7—H7B | 0.97 |
C1—H1 | 0.93 | C8—O2 | 1.210 (4) |
C2—C3 | 1.383 (5) | C8—N2 | 1.389 (4) |
C2—H2 | 0.93 | C8—C9 | 1.508 (5) |
C3—C4 | 1.373 (5) | C9—N3 | 1.446 (4) |
C3—H3 | 0.93 | C9—H9A | 0.97 |
C4—C5 | 1.369 (5) | C9—H9B | 0.97 |
C4—N2 | 1.445 (4) | C10—N3 | 1.459 (4) |
C5—N1 | 1.332 (4) | C10—C11 | 1.511 (5) |
C5—H5 | 0.93 | C10—H10A | 0.97 |
C6—O1 | 1.197 (4) | C10—H10B | 0.97 |
C6—N2 | 1.406 (4) | C11—O3 | 1.202 (4) |
C6—C7 | 1.504 (4) | C11—O4 | 1.307 (4) |
C7—N3 | 1.446 (4) | O4—H4 | 0.829 (10) |
N1—C1—C2 | 122.5 (3) | O2—C8—C9 | 122.5 (3) |
N1—C1—H1 | 118.7 | N2—C8—C9 | 116.4 (3) |
C2—C1—H1 | 118.7 | N3—C9—C8 | 110.4 (3) |
C1—C2—C3 | 119.0 (4) | N3—C9—H9A | 109.6 |
C1—C2—H2 | 120.5 | C8—C9—H9A | 109.6 |
C3—C2—H2 | 120.5 | N3—C9—H9B | 109.6 |
C4—C3—C2 | 118.3 (4) | C8—C9—H9B | 109.6 |
C4—C3—H3 | 120.8 | H9A—C9—H9B | 108.1 |
C2—C3—H3 | 120.8 | N3—C10—C11 | 116.6 (3) |
C5—C4—C3 | 119.3 (3) | N3—C10—H10A | 108.1 |
C5—C4—N2 | 119.0 (3) | C11—C10—H10A | 108.1 |
C3—C4—N2 | 121.7 (3) | N3—C10—H10B | 108.1 |
N1—C5—C4 | 123.2 (4) | C11—C10—H10B | 108.1 |
N1—C5—H5 | 118.4 | H10A—C10—H10B | 107.3 |
C4—C5—H5 | 118.4 | O3—C11—O4 | 124.1 (4) |
O1—C6—N2 | 120.5 (3) | O3—C11—C10 | 124.2 (3) |
O1—C6—C7 | 123.3 (3) | O4—C11—C10 | 111.8 (3) |
N2—C6—C7 | 116.2 (3) | C5—N1—C1 | 117.7 (3) |
N3—C7—C6 | 110.6 (3) | C8—N2—C6 | 124.2 (3) |
N3—C7—H7A | 109.5 | C8—N2—C4 | 118.4 (3) |
C6—C7—H7A | 109.5 | C6—N2—C4 | 117.1 (3) |
N3—C7—H7B | 109.5 | C7—N3—C9 | 111.2 (3) |
C6—C7—H7B | 109.5 | C7—N3—C10 | 113.9 (3) |
H7A—C7—H7B | 108.1 | C9—N3—C10 | 115.5 (3) |
O2—C8—N2 | 121.1 (3) | C11—O4—H4 | 110 (3) |
N1—C1—C2—C3 | −0.2 (6) | O2—C8—N2—C4 | −0.3 (6) |
C1—C2—C3—C4 | −0.5 (6) | C9—C8—N2—C4 | 177.6 (3) |
C2—C3—C4—C5 | 0.8 (6) | O1—C6—N2—C8 | 173.7 (3) |
C2—C3—C4—N2 | 179.1 (3) | C7—C6—N2—C8 | −4.6 (5) |
C3—C4—C5—N1 | −0.4 (6) | O1—C6—N2—C4 | 0.4 (5) |
N2—C4—C5—N1 | −178.7 (3) | C7—C6—N2—C4 | −177.9 (3) |
O1—C6—C7—N3 | 154.6 (3) | C5—C4—N2—C8 | −99.6 (4) |
N2—C6—C7—N3 | −27.2 (5) | C3—C4—N2—C8 | 82.1 (5) |
O2—C8—C9—N3 | −154.6 (4) | C5—C4—N2—C6 | 74.1 (4) |
N2—C8—C9—N3 | 27.5 (5) | C3—C4—N2—C6 | −104.2 (4) |
N3—C10—C11—O3 | −4.7 (6) | C6—C7—N3—C9 | 60.3 (4) |
N3—C10—C11—O4 | 174.7 (4) | C6—C7—N3—C10 | −167.1 (3) |
C4—C5—N1—C1 | −0.4 (6) | C8—C9—N3—C7 | −60.4 (4) |
C2—C1—N1—C5 | 0.7 (6) | C8—C9—N3—C10 | 167.8 (3) |
O2—C8—N2—C6 | −173.6 (4) | C11—C10—N3—C7 | −64.7 (5) |
C9—C8—N2—C6 | 4.4 (5) | C11—C10—N3—C9 | 65.9 (5) |
D—H···A | D—H | H···A | D···A | D—H···A |
O4—H4···N1i | 0.83 (3) | 1.83 (3) | 2.655 (4) | 173 (5) |
Symmetry code: (i) x, −y+5/2, z+1/2. |
Experimental details
Crystal data | |
Chemical formula | C11H11N3O4 |
Mr | 249.23 |
Crystal system, space group | Orthorhombic, Pbca |
Temperature (K) | 298 |
a, b, c (Å) | 12.762 (2), 7.9495 (10), 22.218 (3) |
V (Å3) | 2254.0 (6) |
Z | 8 |
Radiation type | Mo Kα |
µ (mm−1) | 0.11 |
Crystal size (mm) | 0.3 × 0.07 × 0.06 |
Data collection | |
Diffractometer | Bruker SMART 1000 CCD diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2001) |
Tmin, Tmax | 0.986, 0.996 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 5235, 2181, 1355 |
Rint | 0.082 |
(sin θ/λ)max (Å−1) | 0.617 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.083, 0.139, 1.13 |
No. of reflections | 2181 |
No. of parameters | 167 |
No. of restraints | 1 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.19, −0.18 |
Computer programs: SMART (Bruker, 2007), SAINT (Bruker, 2007), SHELXTL (Sheldrick, 2008), ORTEP-3 for Windows (Farrugia, 1997), WinGX (Farrugia, 1999).
D—H···A | D—H | H···A | D···A | D—H···A |
O4—H4···N1i | 0.83 (3) | 1.83 (3) | 2.655 (4) | 173 (5) |
Symmetry code: (i) x, −y+5/2, z+1/2. |
Acknowledgements
The author is grateful to the Islamic Azad University, Yazd Branch, for financial support.
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The interest in derivatives of piperazine-2,6-dione has significantly increased because of their practical usage. Some piperazine-2,6-diones were found to have pharmaceutical activity (Parcel, 1961). In this regard, piperazine-2,6-diones have been studied for the anticancerous activity, an interaction with other anticancerous drugs and sensitivity to radiation (Creighton et al., 1969; Hasinoff, et al., 1998). In spite of the importance of these compounds, at present, only 12 crystal structures of piperazines are available in the literature, (Hasinoff et al., 2004; Mancilla et al., 2002; Skrzypczak-Jankun et al., 1999; Hempel et al., 1981; Jolley et al., 1999; Liu et al., 1998; Davies et al., 1998 and Smith et al., 1992). Here, we report the synthesis and characterization of the title compound, I.
In this molecule, the six membered piperazine-2,6-dionering has an envelope conformation with the N3 atom out of plane. The dihedral angle between the pyridine ring and the five-atom planar portion of the piperazine-2,6-dione ring is 77.9 (9)°. Also, the angle between mean plane containing acetic acid moiety and pyridine ring is 15.7 (8)°. As it is clear from figure 2, in the crystal packing of title molecule, the intermolecular O—H···N hydrogen bonds (Table 1) seem to be effective in the stabilization of the crystal structure.