organic compounds\(\def\hfill{\hskip 5em}\def\hfil{\hskip 3em}\def\eqno#1{\hfil {#1}}\)

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ISSN: 2056-9890

3,4,5-Trihydr­­oxy-N′-[(1-methyl-1H-indol-2-yl)methyl­­idene]benzohydrazide

aDepartment of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia, and bDepartment of Molecular Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia
*Correspondence e-mail: hapipah@um.edu.my

(Received 30 June 2009; accepted 10 July 2009; online 18 July 2009)

The structure of the title compound, C17H15N3O4, displays inter­molecular O—H⋯N and O—H⋯O hydrogen bonding between adjacent mol­ecules. Intra­molecular O—H⋯O hydrogen bonds also occur. The molecule is essentially planar with a deviation of 0.090 (1) Å from the best plane running through the connected ring systems.

Related literature

For related compounds see: Khaledi et al. (2008a[Khaledi, H., Mohd Ali, H. & Ng, S. W. (2008a). Acta Cryst. E64, o2108.],b[Khaledi, H., Mohd Ali, H. & Ng, S. W. (2008b). Acta Cryst. E64, o2481.], 2009[Khaledi, H., Mohd Ali, H. & Ng, S. W. (2009). Acta Cryst. E65, o169.]).

[Scheme 1]

Experimental

Crystal data
  • C17H15N3O4

  • Mr = 325.32

  • Monoclinic, P 21 /n

  • a = 9.0839 (2) Å

  • b = 13.1684 (3) Å

  • c = 12.4414 (3) Å

  • β = 104.2740 (10)°

  • V = 1442.30 (6) Å3

  • Z = 4

  • Mo Kα radiation

  • μ = 0.11 mm−1

  • T = 100 K

  • 0.49 × 0.16 × 0.09 mm

Data collection
  • Bruker APEXII CCD area-detector diffractometer

  • Absorption correction: multi-scan (SADABS; Sheldrick, 1996[Sheldrick, G. M. (1996). SADABS. University of Göttingen, Germany.]) Tmin = 0.948, Tmax = 0.991

  • 10177 measured reflections

  • 4070 independent reflections

  • 3153 reflections with I > 2σ(I)

  • Rint = 0.019

Refinement
  • R[F2 > 2σ(F2)] = 0.044

  • wR(F2) = 0.127

  • S = 0.99

  • 4070 reflections

  • 221 parameters

  • H-atom parameters constrained

  • Δρmax = 0.63 e Å−3

  • Δρmin = −0.26 e Å−3

Table 1
Hydrogen-bond geometry (Å, °)

D—H⋯A D—H H⋯A DA D—H⋯A
O2—H2O⋯O4i 0.84 1.80 2.6119 (14) 164
O1—H1O⋯N2i 0.84 2.06 2.7759 (15) 142
O3—H3O⋯O2ii 0.84 2.12 2.8469 (14) 144
O1—H1O⋯O2 0.84 2.51 2.8570 (14) 106
O3—H3O⋯O2 0.84 2.31 2.7560 (14) 113
Symmetry codes: (i) [-x+{\script{3\over 2}}, y-{\script{1\over 2}}, -z+{\script{1\over 2}}]; (ii) -x+2, -y, -z.

Data collection: APEX2 (Bruker, 2007[Bruker (2007). APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA..]); cell refinement: APEX2; data reduction: SAINT (Bruker, 2007[Bruker (2007). APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA..]); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); molecular graphics: X-SEED (Barbour, 2001[Barbour, L. J. (2001). J. Supramol. Chem. 1, 189-191.]); software used to prepare material for publication: publCIF (Westrip, 2009[Westrip, S. P. (2009). publCIF. In preparation.]).

Supporting information


Related literature top

For related compounds see: Khaledi et al. (2008a,b) and Khaledi et al. (2009)

Experimental top

A mixture of 1-Methylindole-2-carboxaldehyde (0.80 g, 5 mmol) and 3,4,5-trihydroxybenzoylhydrazine(0.92 g, 5 mmol) in the presence of acetic acid (1 ml) was heated in ethanol (70 ml) for 6 h. The solution was then cooled and filtered to remove the unreacted hydrazine. The filtrate was poured to water (400 ml), the solid product formed were filtered off, washed with diethyl ether,and dried in an oven. Suitable crystals for X-ray analysis were obtained by slow evaporation of an ethanol solution at room temperature.

Refinement top

All Hydrogen atoms were placed at calculated positions (C—H 0.95–0.98, N—H 0.88 and O—H 0.84 Å), with U(H) set to 1.2–1.5 times Ueq(C,N,O).

Computing details top

Data collection: APEX2 (Bruker, 2007); cell refinement: APEX2 (Bruker, 2007); data reduction: SAINT (Bruker, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: X-SEED (Barbour, 2001); software used to prepare material for publication: publCIF (Westrip, 2009).

Figures top
[Figure 1] Fig. 1. Thermal ellipsoid plot (Barbour, 2001) of the title compound at 70% probability level. Hydrogen atoms are drawn as spheres of arbitrary radius.
3,4,5-Trihydroxy-N'-[(1-methyl-1H-indol-2- yl)methylidene]benzohydrazide top
Crystal data top
C17H15N3O4F(000) = 680
Mr = 325.32Dx = 1.498 Mg m3
Monoclinic, P21/nMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ynCell parameters from 3739 reflections
a = 9.0839 (2) Åθ = 2.3–30.4°
b = 13.1684 (3) ŵ = 0.11 mm1
c = 12.4414 (3) ÅT = 100 K
β = 104.274 (1)°Block, green
V = 1442.30 (6) Å30.49 × 0.16 × 0.09 mm
Z = 4
Data collection top
Bruker APEXII CCD area-detector
diffractometer
4070 independent reflections
Radiation source: fine-focus sealed tube3153 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.019
ω scansθmax = 30.5°, θmin = 2.3°
Absorption correction: multi-scan
(SADABS; Sheldrick, 1996)
h = 912
Tmin = 0.948, Tmax = 0.991k = 1818
10177 measured reflectionsl = 1714
Refinement top
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.044Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.127H-atom parameters constrained
S = 0.99 w = 1/[σ2(Fo2) + (0.0672P)2 + 0.9156P]
where P = (Fo2 + 2Fc2)/3
4070 reflections(Δ/σ)max < 0.001
221 parametersΔρmax = 0.63 e Å3
0 restraintsΔρmin = 0.26 e Å3
Crystal data top
C17H15N3O4V = 1442.30 (6) Å3
Mr = 325.32Z = 4
Monoclinic, P21/nMo Kα radiation
a = 9.0839 (2) ŵ = 0.11 mm1
b = 13.1684 (3) ÅT = 100 K
c = 12.4414 (3) Å0.49 × 0.16 × 0.09 mm
β = 104.274 (1)°
Data collection top
Bruker APEXII CCD area-detector
diffractometer
4070 independent reflections
Absorption correction: multi-scan
(SADABS; Sheldrick, 1996)
3153 reflections with I > 2σ(I)
Tmin = 0.948, Tmax = 0.991Rint = 0.019
10177 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0440 restraints
wR(F2) = 0.127H-atom parameters constrained
S = 0.99Δρmax = 0.63 e Å3
4070 reflectionsΔρmin = 0.26 e Å3
221 parameters
Special details top

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.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
N10.47487 (13)0.36671 (9)0.05923 (10)0.0132 (2)
H1N0.46550.33330.00340.016*
N20.38051 (13)0.44784 (9)0.06479 (10)0.0134 (2)
N30.06173 (13)0.56577 (9)0.13005 (10)0.0151 (2)
O10.99391 (12)0.12533 (8)0.33141 (8)0.0165 (2)
H1O1.02190.06450.33130.025*
O20.98618 (11)0.01716 (7)0.13104 (8)0.0149 (2)
H2O0.97660.03050.17370.022*
O30.77044 (12)0.07206 (8)0.05744 (8)0.0189 (2)
H3O0.84730.03490.05060.028*
O40.59664 (13)0.38379 (8)0.23996 (8)0.0199 (2)
C10.04811 (18)0.51469 (13)0.23489 (13)0.0226 (3)
H1A0.04260.53930.28870.034*
H1B0.03930.44130.22470.034*
H1C0.13830.52880.26230.034*
C20.02892 (15)0.64421 (11)0.11137 (12)0.0155 (3)
C30.15129 (16)0.69271 (11)0.18421 (13)0.0192 (3)
H30.18340.67360.26000.023*
C40.22304 (17)0.76936 (12)0.14091 (14)0.0213 (3)
H40.30590.80390.18830.026*
C50.17667 (17)0.79760 (11)0.02853 (14)0.0219 (3)
H50.22910.85050.00160.026*
C60.05636 (17)0.74988 (11)0.04323 (13)0.0195 (3)
H60.02590.76920.11910.023*
C70.02010 (16)0.67213 (11)0.00177 (12)0.0163 (3)
C80.14341 (16)0.60759 (11)0.05098 (12)0.0162 (3)
H80.19970.60850.12630.019*
C90.16628 (15)0.54349 (10)0.03077 (11)0.0137 (3)
C100.27384 (15)0.46201 (10)0.02389 (11)0.0134 (3)
H100.26620.41800.08560.016*
C110.58127 (15)0.33924 (10)0.15038 (11)0.0129 (3)
C120.68091 (14)0.25165 (10)0.13972 (11)0.0123 (3)
C130.78798 (15)0.22437 (10)0.23633 (11)0.0132 (3)
H130.79170.25970.30350.016*
C140.88907 (15)0.14590 (10)0.23472 (11)0.0128 (3)
C150.88441 (15)0.09305 (10)0.13689 (11)0.0122 (2)
C160.77684 (15)0.12083 (10)0.04008 (11)0.0135 (3)
C170.67475 (15)0.19925 (10)0.04105 (11)0.0143 (3)
H170.60140.21710.02490.017*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
N10.0140 (5)0.0112 (5)0.0140 (5)0.0024 (4)0.0029 (4)0.0013 (4)
N20.0120 (5)0.0110 (5)0.0173 (5)0.0015 (4)0.0040 (4)0.0006 (4)
N30.0132 (5)0.0141 (5)0.0174 (6)0.0019 (4)0.0028 (4)0.0011 (4)
O10.0180 (5)0.0172 (5)0.0121 (4)0.0047 (4)0.0006 (4)0.0011 (4)
O20.0183 (5)0.0122 (5)0.0157 (5)0.0049 (4)0.0069 (4)0.0039 (4)
O30.0196 (5)0.0214 (5)0.0139 (5)0.0075 (4)0.0010 (4)0.0046 (4)
O40.0232 (5)0.0203 (5)0.0151 (5)0.0068 (4)0.0027 (4)0.0035 (4)
C10.0219 (7)0.0248 (8)0.0192 (7)0.0035 (6)0.0014 (6)0.0027 (6)
C20.0135 (6)0.0124 (6)0.0219 (7)0.0001 (5)0.0066 (5)0.0025 (5)
C30.0148 (6)0.0182 (7)0.0247 (7)0.0009 (5)0.0050 (5)0.0049 (6)
C40.0151 (6)0.0168 (7)0.0325 (8)0.0031 (5)0.0070 (6)0.0071 (6)
C50.0185 (7)0.0134 (6)0.0370 (9)0.0020 (5)0.0128 (6)0.0013 (6)
C60.0193 (7)0.0154 (7)0.0263 (8)0.0008 (5)0.0101 (6)0.0018 (5)
C70.0149 (6)0.0129 (6)0.0220 (7)0.0004 (5)0.0068 (5)0.0009 (5)
C80.0155 (6)0.0142 (6)0.0197 (7)0.0003 (5)0.0061 (5)0.0004 (5)
C90.0122 (6)0.0123 (6)0.0165 (6)0.0002 (5)0.0034 (5)0.0022 (5)
C100.0125 (6)0.0126 (6)0.0155 (6)0.0008 (5)0.0042 (5)0.0007 (5)
C110.0134 (6)0.0121 (6)0.0135 (6)0.0001 (5)0.0042 (5)0.0011 (5)
C120.0122 (6)0.0116 (6)0.0131 (6)0.0007 (4)0.0031 (5)0.0013 (5)
C130.0148 (6)0.0131 (6)0.0120 (6)0.0008 (5)0.0034 (5)0.0004 (5)
C140.0131 (6)0.0132 (6)0.0117 (6)0.0001 (5)0.0022 (4)0.0029 (5)
C150.0120 (6)0.0111 (6)0.0142 (6)0.0012 (4)0.0042 (5)0.0020 (5)
C160.0147 (6)0.0142 (6)0.0120 (6)0.0006 (5)0.0038 (5)0.0016 (5)
C170.0142 (6)0.0147 (6)0.0129 (6)0.0025 (5)0.0013 (5)0.0007 (5)
Geometric parameters (Å, º) top
N1—C111.3455 (17)C4—C51.407 (2)
N1—N21.3821 (15)C4—H40.9500
N1—H1N0.8800C5—C61.380 (2)
N2—C101.2900 (17)C5—H50.9500
N3—C21.3760 (18)C6—C71.405 (2)
N3—C91.3912 (17)C6—H60.9500
N3—C11.4455 (19)C7—C81.419 (2)
O1—C141.3647 (16)C8—C91.376 (2)
O1—H1O0.8400C8—H80.9500
O2—C151.3755 (16)C9—C101.4394 (19)
O2—H2O0.8400C10—H100.9500
O3—C161.3613 (16)C11—C121.4921 (18)
O3—H3O0.8400C12—C131.3941 (18)
O4—C111.2365 (17)C12—C171.3972 (18)
C1—H1A0.9800C13—C141.3859 (18)
C1—H1B0.9800C13—H130.9500
C1—H1C0.9800C14—C151.3936 (18)
C2—C31.403 (2)C15—C161.3995 (18)
C2—C71.416 (2)C16—C171.3900 (19)
C3—C41.381 (2)C17—H170.9500
C3—H30.9500
C11—N1—N2119.41 (11)C6—C7—C8133.41 (14)
C11—N1—H1N120.3C2—C7—C8107.14 (12)
N2—N1—H1N120.3C9—C8—C7107.18 (13)
C10—N2—N1114.41 (11)C9—C8—H8126.4
C2—N3—C9108.32 (12)C7—C8—H8126.4
C2—N3—C1125.46 (12)C8—C9—N3109.41 (12)
C9—N3—C1126.22 (12)C8—C9—C10129.58 (13)
C14—O1—H1O109.5N3—C9—C10120.98 (12)
C15—O2—H2O109.5N2—C10—C9120.95 (13)
C16—O3—H3O109.5N2—C10—H10119.5
N3—C1—H1A109.5C9—C10—H10119.5
N3—C1—H1B109.5O4—C11—N1122.01 (12)
H1A—C1—H1B109.5O4—C11—C12120.71 (12)
N3—C1—H1C109.5N1—C11—C12117.28 (12)
H1A—C1—H1C109.5C13—C12—C17119.91 (12)
H1B—C1—H1C109.5C13—C12—C11115.60 (12)
N3—C2—C3130.13 (14)C17—C12—C11124.48 (12)
N3—C2—C7107.95 (12)C14—C13—C12120.23 (12)
C3—C2—C7121.92 (13)C14—C13—H13119.9
C4—C3—C2117.12 (14)C12—C13—H13119.9
C4—C3—H3121.4O1—C14—C13117.13 (12)
C2—C3—H3121.4O1—C14—C15122.35 (12)
C3—C4—C5121.76 (14)C13—C14—C15120.49 (12)
C3—C4—H4119.1O2—C15—C14122.20 (12)
C5—C4—H4119.1O2—C15—C16118.70 (12)
C6—C5—C4121.17 (14)C14—C15—C16119.04 (12)
C6—C5—H5119.4O3—C16—C17118.44 (12)
C4—C5—H5119.4O3—C16—C15120.73 (12)
C5—C6—C7118.60 (15)C17—C16—C15120.83 (12)
C5—C6—H6120.7C16—C17—C12119.49 (12)
C7—C6—H6120.7C16—C17—H17120.3
C6—C7—C2119.43 (13)C12—C17—H17120.3
C11—N1—N2—C10173.94 (12)C8—C9—C10—N29.1 (2)
C9—N3—C2—C3179.04 (14)N3—C9—C10—N2172.91 (13)
C1—N3—C2—C30.1 (2)N2—N1—C11—O40.8 (2)
C9—N3—C2—C70.29 (15)N2—N1—C11—C12179.57 (11)
C1—N3—C2—C7179.39 (13)O4—C11—C12—C130.73 (19)
N3—C2—C3—C4179.14 (14)N1—C11—C12—C13178.95 (12)
C7—C2—C3—C40.1 (2)O4—C11—C12—C17177.78 (13)
C2—C3—C4—C50.4 (2)N1—C11—C12—C172.5 (2)
C3—C4—C5—C60.3 (2)C17—C12—C13—C140.5 (2)
C4—C5—C6—C70.2 (2)C11—C12—C13—C14178.13 (12)
C5—C6—C7—C20.7 (2)C12—C13—C14—O1177.99 (12)
C5—C6—C7—C8178.83 (15)C12—C13—C14—C150.4 (2)
N3—C2—C7—C6178.74 (13)O1—C14—C15—O20.6 (2)
C3—C2—C7—C60.7 (2)C13—C14—C15—O2177.66 (12)
N3—C2—C7—C80.15 (16)O1—C14—C15—C16177.82 (12)
C3—C2—C7—C8179.24 (13)C13—C14—C15—C160.4 (2)
C6—C7—C8—C9178.27 (16)O2—C15—C16—O31.6 (2)
C2—C7—C8—C90.04 (16)C14—C15—C16—O3178.93 (12)
C7—C8—C9—N30.22 (16)O2—C15—C16—C17177.94 (12)
C7—C8—C9—C10177.98 (14)C14—C15—C16—C170.6 (2)
C2—N3—C9—C80.32 (16)O3—C16—C17—C12178.85 (12)
C1—N3—C9—C8179.42 (13)C15—C16—C17—C120.7 (2)
C2—N3—C9—C10178.06 (12)C13—C12—C17—C160.6 (2)
C1—N3—C9—C101.0 (2)C11—C12—C17—C16177.82 (13)
N1—N2—C10—C9179.93 (12)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
O2—H2O···O4i0.841.802.6119 (14)164
O1—H1O···N2i0.842.062.7759 (15)142
O3—H3O···O2ii0.842.122.8469 (14)144
O1—H1O···O20.842.512.8570 (14)106
O3—H3O···O20.842.312.7560 (14)113
Symmetry codes: (i) x+3/2, y1/2, z+1/2; (ii) x+2, y, z.

Experimental details

Crystal data
Chemical formulaC17H15N3O4
Mr325.32
Crystal system, space groupMonoclinic, P21/n
Temperature (K)100
a, b, c (Å)9.0839 (2), 13.1684 (3), 12.4414 (3)
β (°) 104.274 (1)
V3)1442.30 (6)
Z4
Radiation typeMo Kα
µ (mm1)0.11
Crystal size (mm)0.49 × 0.16 × 0.09
Data collection
DiffractometerBruker APEXII CCD area-detector
diffractometer
Absorption correctionMulti-scan
(SADABS; Sheldrick, 1996)
Tmin, Tmax0.948, 0.991
No. of measured, independent and
observed [I > 2σ(I)] reflections
10177, 4070, 3153
Rint0.019
(sin θ/λ)max1)0.715
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.044, 0.127, 0.99
No. of reflections4070
No. of parameters221
H-atom treatmentH-atom parameters constrained
Δρmax, Δρmin (e Å3)0.63, 0.26

Computer programs: APEX2 (Bruker, 2007), SAINT (Bruker, 2007), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), X-SEED (Barbour, 2001), publCIF (Westrip, 2009).

Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
O2—H2O···O4i0.841.802.6119 (14)163.5
O1—H1O···N2i0.842.062.7759 (15)142.4
O3—H3O···O2ii0.842.122.8469 (14)144.3
O1—H1O···O20.842.512.8570 (14)105.9
O3—H3O···O20.842.312.7560 (14)113.4
Symmetry codes: (i) x+3/2, y1/2, z+1/2; (ii) x+2, y, z.
 

Acknowledgements

The authors thank the University of Malaya for funding this study (FRGS grant No. FP009/2008 C).

References

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