organic compounds
2-(4-Methoxyphenoxy)acetohydrazide
aCollege of Food Engineering, Jilin Teachers' Institute of Engineering and Technology, 130052 Changchun, Jilin, People's Republic of China
*Correspondence e-mail: lg2003915@163.com
The title compound, C9H12N2O3, was synthesized by the reaction of ethyl 2-(4-methoxyphenoxy)acetate with hydrazine hydrate in ethanol. In the acetohydrazide group, the N—N bond is relatively short [1.413 (2) Å], suggesting some degree of electronic delocalization in the molecule. In the crystal, molecules are linked into sheets lying parallel to the ab plane by N—H⋯N and N—H⋯O hydrogen bonds.
Related literature
For general background to and the biological activity of ); Ozdemir et al. (2009); Ashiq et al. (2009); Zhang & Shi (2009). For related structures, see: Dutkiewicz et al. (2009); Fun et al. (2009, 2010a,b, 2011).
see: Khattab (2005Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2005); cell SAINT (Bruker, 2005); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL.
Supporting information
10.1107/S160053681202435X/rk2352sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S160053681202435X/rk2352Isup2.hkl
Supporting information file. DOI: 10.1107/S160053681202435X/rk2352Isup3.cml
The title compound was synthesized by the reaction of 2-(4-methoxyphenoxy)acetate (1 mmol) with hydrazine hydrate 85% (1.1 mmol) in ethanol (15 ml) under reflux conditions (338 K) for 5 h. The solvent was removed and the solid product recrystallized from ethanol. After six days colourless crystals suitable for X-ray diffraction study were obtained.
The H atoms attached to N atoms were located in a difference Fourier map and allowed to refined freely. The remaining H atoms were placed in calculated positions (C–H = 0.93-0.97Å) and refined as riding atoms and with Uiso(H) = 1.2 or 1.5Ueq(C), respectively. The 609 Friedel pairs were measured.
Data collection: APEX2 (Bruker, 2005); cell
SAINT (Bruker, 2005); data reduction: SAINT (Bruker, 2005); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).C9H12N2O3 | F(000) = 416 |
Mr = 196.21 | Dx = 1.400 Mg m−3 |
Orthorhombic, P212121 | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: P 2ac 2ab | Cell parameters from 2044 reflections |
a = 4.0964 (17) Å | θ = 2.3–25.2° |
b = 6.382 (3) Å | µ = 0.11 mm−1 |
c = 35.608 (14) Å | T = 298 K |
V = 930.9 (7) Å3 | Block, colourless |
Z = 4 | 0.30 × 0.25 × 0.18 mm |
Bruker SMART APEXII CCD diffractometer | 1631 independent reflections |
Radiation source: fine-focus sealed tube | 1503 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.021 |
ϕ and ω scans | θmax = 25.1°, θmin = 1.1° |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | h = −4→4 |
Tmin = 0.969, Tmax = 0.981 | k = −7→7 |
4782 measured reflections | l = −42→37 |
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)] = 0.030 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.089 | H atoms treated by a mixture of independent and constrained refinement |
S = 0.88 | w = 1/[σ2(Fo2) + (0.070P)2 + 0.087P] where P = (Fo2 + 2Fc2)/3 |
1631 reflections | (Δ/σ)max < 0.001 |
140 parameters | Δρmax = 0.09 e Å−3 |
0 restraints | Δρmin = −0.15 e Å−3 |
C9H12N2O3 | V = 930.9 (7) Å3 |
Mr = 196.21 | Z = 4 |
Orthorhombic, P212121 | Mo Kα radiation |
a = 4.0964 (17) Å | µ = 0.11 mm−1 |
b = 6.382 (3) Å | T = 298 K |
c = 35.608 (14) Å | 0.30 × 0.25 × 0.18 mm |
Bruker SMART APEXII CCD diffractometer | 1631 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | 1503 reflections with I > 2σ(I) |
Tmin = 0.969, Tmax = 0.981 | Rint = 0.021 |
4782 measured reflections |
R[F2 > 2σ(F2)] = 0.030 | 0 restraints |
wR(F2) = 0.089 | H atoms treated by a mixture of independent and constrained refinement |
S = 0.88 | Δρmax = 0.09 e Å−3 |
1631 reflections | Δρmin = −0.15 e Å−3 |
140 parameters |
Geometry. All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s in distances, angles and torsion angles; correlations between s.u.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell s.u.'s is used for estimating s.u.'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 | ||
O1 | 0.7470 (4) | 0.5028 (2) | 0.28285 (3) | 0.0575 (4) | |
O3 | −0.2287 (3) | 1.24787 (16) | 0.45169 (3) | 0.0492 (3) | |
O2 | 0.2900 (3) | 0.86238 (18) | 0.41321 (3) | 0.0475 (3) | |
N1 | −0.0331 (4) | 0.9456 (2) | 0.47495 (3) | 0.0375 (3) | |
N2 | −0.2052 (4) | 0.9626 (2) | 0.50921 (4) | 0.0409 (4) | |
C1 | 0.9213 (6) | 0.3121 (3) | 0.28446 (6) | 0.0622 (6) | |
H1A | 1.1128 | 0.3301 | 0.2997 | 0.093* | |
H1B | 0.9844 | 0.2712 | 0.2596 | 0.093* | |
H1C | 0.7852 | 0.2055 | 0.2953 | 0.093* | |
C3 | 0.4850 (5) | 0.7769 (3) | 0.31370 (4) | 0.0445 (4) | |
H3 | 0.4583 | 0.8404 | 0.2904 | 0.053* | |
C7 | 0.6851 (5) | 0.4962 (3) | 0.35087 (5) | 0.0456 (4) | |
H7 | 0.7943 | 0.3690 | 0.3529 | 0.055* | |
C2 | 0.6424 (4) | 0.5884 (3) | 0.31602 (4) | 0.0418 (4) | |
C6 | 0.5651 (4) | 0.5936 (3) | 0.38255 (4) | 0.0434 (4) | |
H6 | 0.5952 | 0.5317 | 0.4059 | 0.052* | |
C9 | −0.0652 (4) | 1.0868 (2) | 0.44833 (4) | 0.0354 (4) | |
C5 | 0.4022 (4) | 0.7803 (2) | 0.38004 (4) | 0.0373 (4) | |
C8 | 0.0994 (4) | 1.0462 (2) | 0.41147 (4) | 0.0394 (4) | |
H8A | −0.0641 | 1.0315 | 0.3919 | 0.047* | |
H8B | 0.2376 | 1.1643 | 0.4051 | 0.047* | |
C4 | 0.3656 (4) | 0.8742 (3) | 0.34537 (4) | 0.0432 (4) | |
H4 | 0.2604 | 1.0029 | 0.3434 | 0.052* | |
H1 | 0.085 (6) | 0.833 (3) | 0.4716 (6) | 0.060 (6)* | |
H2B | −0.073 (6) | 1.041 (3) | 0.5243 (5) | 0.063 (6)* | |
H2A | −0.384 (6) | 1.036 (3) | 0.5048 (5) | 0.059 (6)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0747 (9) | 0.0574 (7) | 0.0404 (7) | 0.0081 (7) | 0.0097 (7) | −0.0019 (5) |
O3 | 0.0573 (8) | 0.0379 (6) | 0.0523 (7) | 0.0129 (6) | 0.0001 (6) | 0.0029 (5) |
O2 | 0.0616 (8) | 0.0476 (7) | 0.0333 (6) | 0.0157 (7) | 0.0007 (6) | 0.0033 (5) |
N1 | 0.0445 (8) | 0.0316 (7) | 0.0364 (7) | 0.0048 (6) | −0.0010 (6) | 0.0002 (5) |
N2 | 0.0459 (9) | 0.0384 (8) | 0.0385 (7) | −0.0022 (7) | 0.0027 (7) | −0.0012 (6) |
C1 | 0.0675 (14) | 0.0622 (12) | 0.0570 (12) | 0.0038 (11) | 0.0112 (11) | −0.0109 (9) |
C3 | 0.0533 (11) | 0.0464 (9) | 0.0339 (8) | −0.0017 (9) | −0.0018 (8) | 0.0082 (7) |
C7 | 0.0549 (11) | 0.0383 (8) | 0.0437 (9) | 0.0064 (8) | 0.0028 (8) | 0.0054 (7) |
C2 | 0.0445 (10) | 0.0438 (9) | 0.0369 (9) | −0.0057 (8) | 0.0030 (7) | −0.0010 (7) |
C6 | 0.0536 (10) | 0.0429 (9) | 0.0337 (8) | 0.0032 (9) | −0.0010 (7) | 0.0079 (7) |
C9 | 0.0363 (8) | 0.0298 (7) | 0.0401 (8) | −0.0019 (7) | −0.0087 (7) | −0.0011 (7) |
C5 | 0.0396 (9) | 0.0370 (8) | 0.0354 (8) | −0.0015 (7) | −0.0014 (7) | 0.0010 (6) |
C8 | 0.0430 (9) | 0.0361 (8) | 0.0390 (8) | 0.0026 (7) | −0.0032 (7) | 0.0037 (7) |
C4 | 0.0495 (10) | 0.0386 (8) | 0.0416 (9) | 0.0032 (8) | −0.0021 (7) | 0.0069 (7) |
O1—C2 | 1.3701 (19) | C3—C2 | 1.367 (2) |
O1—C1 | 1.412 (2) | C3—C4 | 1.377 (2) |
O3—C9 | 1.2329 (18) | C3—H3 | 0.9300 |
O2—C5 | 1.3714 (19) | C7—C6 | 1.379 (2) |
O2—C8 | 1.410 (2) | C7—C2 | 1.384 (2) |
N1—C9 | 1.314 (2) | C7—H7 | 0.9300 |
N1—N2 | 1.413 (2) | C6—C5 | 1.368 (2) |
N1—H1 | 0.88 (2) | C6—H6 | 0.9300 |
N2—H2B | 0.91 (2) | C9—C8 | 1.498 (2) |
N2—H2A | 0.89 (2) | C5—C4 | 1.380 (2) |
C1—H1A | 0.9600 | C8—H8A | 0.9700 |
C1—H1B | 0.9600 | C8—H8B | 0.9700 |
C1—H1C | 0.9600 | C4—H4 | 0.9300 |
C2—O1—C1 | 117.82 (13) | C3—C2—C7 | 119.18 (15) |
C5—O2—C8 | 117.75 (11) | O1—C2—C7 | 124.33 (16) |
C9—N1—N2 | 121.34 (14) | C5—C6—C7 | 120.86 (14) |
C9—N1—H1 | 121.3 (13) | C5—C6—H6 | 119.6 |
N2—N1—H1 | 117.2 (14) | C7—C6—H6 | 119.6 |
N1—N2—H2B | 104.8 (14) | O3—C9—N1 | 123.78 (15) |
N1—N2—H2A | 107.4 (13) | O3—C9—C8 | 118.28 (13) |
H2B—N2—H2A | 107.8 (19) | N1—C9—C8 | 117.92 (13) |
O1—C1—H1A | 109.5 | C6—C5—O2 | 116.09 (13) |
O1—C1—H1B | 109.5 | C6—C5—C4 | 119.31 (14) |
H1A—C1—H1B | 109.5 | O2—C5—C4 | 124.59 (14) |
O1—C1—H1C | 109.5 | O2—C8—C9 | 110.77 (12) |
H1A—C1—H1C | 109.5 | O2—C8—H8A | 109.5 |
H1B—C1—H1C | 109.5 | C9—C8—H8A | 109.5 |
C2—C3—C4 | 120.96 (14) | O2—C8—H8B | 109.5 |
C2—C3—H3 | 119.5 | C9—C8—H8B | 109.5 |
C4—C3—H3 | 119.5 | H8A—C8—H8B | 108.1 |
C6—C7—C2 | 119.79 (16) | C3—C4—C5 | 119.86 (15) |
C6—C7—H7 | 120.1 | C3—C4—H4 | 120.1 |
C2—C7—H7 | 120.1 | C5—C4—H4 | 120.1 |
C3—C2—O1 | 116.49 (14) | ||
C4—C3—C2—O1 | 178.88 (17) | C7—C6—C5—C4 | −1.7 (3) |
C4—C3—C2—C7 | −0.8 (3) | C8—O2—C5—C6 | −175.24 (14) |
C1—O1—C2—C3 | 177.62 (16) | C8—O2—C5—C4 | 5.8 (2) |
C1—O1—C2—C7 | −2.7 (3) | C5—O2—C8—C9 | 167.00 (14) |
C6—C7—C2—C3 | 0.9 (3) | O3—C9—C8—O2 | 176.64 (14) |
C6—C7—C2—O1 | −178.80 (17) | N1—C9—C8—O2 | −4.9 (2) |
C2—C7—C6—C5 | 0.4 (3) | C2—C3—C4—C5 | −0.5 (3) |
N2—N1—C9—O3 | 4.3 (2) | C6—C5—C4—C3 | 1.7 (3) |
N2—N1—C9—C8 | −174.01 (14) | O2—C5—C4—C3 | −179.35 (17) |
C7—C6—C5—O2 | 179.31 (17) |
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2A···O3i | 0.89 (2) | 2.51 (2) | 3.155 (2) | 130.4 (16) |
N1—H1···N2ii | 0.88 (2) | 2.18 (2) | 2.984 (2) | 152.2 (18) |
N2—H2B···O3iii | 0.91 (2) | 2.13 (2) | 3.027 (2) | 167.5 (18) |
Symmetry codes: (i) x−1/2, −y+5/2, −z+1; (ii) x+1/2, −y+3/2, −z+1; (iii) x+1/2, −y+5/2, −z+1. |
Experimental details
Crystal data | |
Chemical formula | C9H12N2O3 |
Mr | 196.21 |
Crystal system, space group | Orthorhombic, P212121 |
Temperature (K) | 298 |
a, b, c (Å) | 4.0964 (17), 6.382 (3), 35.608 (14) |
V (Å3) | 930.9 (7) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.11 |
Crystal size (mm) | 0.30 × 0.25 × 0.18 |
Data collection | |
Diffractometer | Bruker SMART APEXII CCD diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2005) |
Tmin, Tmax | 0.969, 0.981 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 4782, 1631, 1503 |
Rint | 0.021 |
(sin θ/λ)max (Å−1) | 0.596 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.030, 0.089, 0.88 |
No. of reflections | 1631 |
No. of parameters | 140 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.09, −0.15 |
Computer programs: APEX2 (Bruker, 2005), SAINT (Bruker, 2005), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2A···O3i | 0.89 (2) | 2.51 (2) | 3.155 (2) | 130.4 (16) |
N1—H1···N2ii | 0.88 (2) | 2.18 (2) | 2.984 (2) | 152.2 (18) |
N2—H2B···O3iii | 0.91 (2) | 2.13 (2) | 3.027 (2) | 167.5 (18) |
Symmetry codes: (i) x−1/2, −y+5/2, −z+1; (ii) x+1/2, −y+3/2, −z+1; (iii) x+1/2, −y+5/2, −z+1. |
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.
Hydrazides have been of great interest for many years because they have different biological activities and been used for the synthesis of various heterocyclic compounds (Khattab, 2005; Dutkiewicz et al., 2009; Ozdemir et al., 2009; Ashiq et al., 2009; Zhang & Shi, 2009; Fun et al., 2009, 2010a,b, 2011). In order to search for new hydrazide compounds with higher bioactivity, the title compound, was synthesized. Its molecular and crystal structures were determined. The molecular structure is shown in Fig. 1. In the crystal structure (Fig. 2), molecules are linked into infinite two-dimensional networks by the classical intermolecular N–H···N and N–H···O hydrogen bonds. For parameters of these interactions, see Table 1.