Home Crystal structure of (E)-1-(3,4-dimethoxyphenyl)-3-(dimethylamino)prop-2-en-1-one, C13H17NO3
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Crystal structure of (E)-1-(3,4-dimethoxyphenyl)-3-(dimethylamino)prop-2-en-1-one, C13H17NO3

  • Mostafa M. Ghorab , Mansour S. Alsaid , Hazem A. Ghabbour EMAIL logo and Hoong-Kun Fun
Published/Copyright: February 25, 2016

Abstract

C13H17NO3, monoclinic, P21/c, a = 7.7486(4) Å, b = 8.5148(3) Å, c = 19.9822(9) Å, β = 100.341(2)°, V = 1296.97(10) Å3, Z = 4, Rgt(F) = 0.0620, wRref(F2) = 0.1814, T = 296 K.

CCDC no.:: 1405629

The crystal structure is shown in the figure. Tables 13 contain details of the measurement method and a list of the atoms including atomic coordinates and displacement parameters.

Table 1

Data collection and handling.

Crystal:Yellow, block, size 0.368×0.451×0.578 mm
Wavelength:Mo Kα radiation (0.71073 Å)
μ:0.85 cm−1
Diffractometer, scan mode:Bruker APEX-II D8 venture, φ and ω scans
2θmax:55°
N(hkl)measured, N(hkl)unique:18633, 2952
N(param)refined:158
Programs:SHELX [11], Bruker programs [12]
Table 2

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).

AtomSitexyzUiso
H(1A)4e0.55330.07840.69970.063
H(2A)4e0.65370.04580.81580.066
H(5A)4e0.76600.51230.70960.055
H(8A)4e0.40800.15190.60060.067
H(9A)4e0.49150.32670.49150.073
H(10A)4e0.14920.08710.52310.126
H(10B)4e0.2818−0.04310.50440.126
H(10C)4e0.11890.01260.44840.126
H(11A)4e0.37360.27970.38450.117
H(11B)4e0.17170.22950.37550.117
H(11C)4e0.31820.10020.36980.117
H(12A)4e0.87550.11880.98220.139
H(12B)4e0.91400.03730.91420.139
H(12C)4e0.71620.05840.92580.139
H(13A)4e0.97100.73330.84750.105
H(13B)4e0.80100.70910.78990.105
H(13C)4e0.98720.64370.77850.105
Table 3

Atomic coordinates and displacement parameters (Å2).

AtomSitexyzU11U22U33U12U13U23
O(1)4e0.8252(2)0.2547(2)0.90088(7)0.098(1)0.068(1)0.0404(8)−0.0044(8)−0.0068(7)0.0090(7)
O(2)4e0.8774(2)0.5170(2)0.84231(7)0.079(1)0.0573(9)0.0449(8)−0.0114(7)−0.0071(7)−0.0030(6)
O(3)4e0.6798(4)0.4273(3)0.59200(8)0.192(2)0.108(2)0.0440(9)−0.083(2)−0.003(1)0.0047(9)
N(1)4e0.3138(2)0.1676(2)0.46542(8)0.069(1)0.068(1)0.0407(9)−0.0067(9)−0.0034(8)−0.0020(8)
C(1)4e0.6169(3)0.1607(2)0.7252(1)0.056(1)0.052(1)0.048(1)−0.0064(9)0.0034(9)−0.0043(9)
C(2)4e0.6753(3)0.1417(2)0.7944(1)0.063(1)0.050(1)0.050(1)−0.0051(9)0.0071(9)0.0075(9)
C(3)4e0.7645(3)0.2610(2)0.83254(9)0.054(1)0.056(1)0.0391(9)0.0032(9)0.0033(8)0.0044(8)
C(4)4e0.7947(2)0.4030(2)0.80069(9)0.043(1)0.048(1)0.0416(9)0.0020(8)0.0000(7)−0.0027(8)
C(5)4e0.7409(2)0.4181(2)0.73148(9)0.051(1)0.045(1)0.042(1)0.0003(8)0.0042(8)0.0023(8)
C(6)4e0.6499(2)0.2976(2)0.69275(9)0.047(1)0.050(1)0.0400(9)0.0007(8)0.0035(8)−0.0021(8)
C(7)4e0.6009(3)0.3230(3)0.6174(1)0.086(2)0.057(1)0.040(1)−0.011(1)0.004(1)−0.0011(9)
C(8)4e0.4683(3)0.2278(3)0.5787(1)0.060(1)0.061(1)0.043(1)−0.000(1)0.0005(9)−0.0015(9)
C(9)4e0.4286(3)0.2466(3)0.5099(1)0.075(1)0.059(1)0.046(1)−0.008(1)0.003(1)−0.0040(9)
C(10)4e0.2075(4)0.0465(4)0.4870(1)0.071(2)0.108(2)0.065(2)−0.028(2)−0.007(1)0.009(1)
C(11)4e0.2926(4)0.1966(3)0.3930(1)0.102(2)0.085(2)0.041(1)−0.012(2)0.000(1)−0.006(1)
C(12)4e0.8334(5)0.1057(3)0.9333(1)0.135(3)0.081(2)0.055(1)0.003(2)−0.003(2)0.026(1)
C(13)4e0.9118(3)0.6620(3)0.8122(1)0.081(2)0.062(1)0.064(1)−0.022(1)0.003(1)−0.003(1)

Source of material

The most important and straight forward method for the synthesis of the title compound involves the direct condensation of β-dicarbonyl compounds with amines at reflux in an aromatic solvent with azeotropic removal of water [8, 9].

To a solution of 3,4-dimethoxyacetophenone (1.80 g, 0.01 mol) in dimethylformamide-dimethylacetal (1.91 g, 0.015 mol) in dry xylene (20 mL) was refluxed for 24 h. The obtained solid was collected by filteration and recrystallized from dioxane to give the title compound.

Yield, 66%; m.p. 123.7 °C. IR (KBr, cm−1): 3080 (CH arom.), 2997, 2931, 2839 (CH aliph.), 1635 (C = O). 1H-NMR (DMSO-d2): 3.1 [s, 6H, 2NCH3], 3.8 [s, 6H, 2OCH3], 5.8, 6.9 [2d, 2H, CH = CH, J = 7.8 Hz], 7.4–7.6 [m, 3H, Ar—H]. 13C-NMR (DMSO-d6): 44.8(2), 56.0(2), 91.1, 110.8, 111.1, 121.2, 133.4, 148.7, 151.7, 154.1, 185.3. MS m/z (%): 235 (M+) (12.73), 136 (100) Anal. Calcd. For C13H17NO3 (235): C, 66.36; H, 7.28; N, 5.95. Found: C, 66.07; H, 7.54; N, 6.23.

Experimental details

Cell refinement and data reduction were carried out by Bruker SAINT and SHELXS-97 [10, 11]. All hydrogen atoms were idealized and refined using a riding model with the help of of the SHELX-2008 program (AFIX43 or AFIX 137 option) [10].

Discussion

Enaminones or enamine of β-dicarbonyl compounds and their chemistry has been reviewed [1, 2]. These enaminones have demonstrated a potential as multipurpose synthetic intermediates in organic synthesis [3, 4], in the pharmaceutical development [47] and in heterocyclic synthesis [4].

The aim of this work was to design a novel E-1-(3,4-dimethxyphenyl)-3-(dimethylamino)prop-2-en-1-one having a biologically active 3,4-dimethoxyphenyl moiety.

The crystal structure of the title compound contains one molecule in the asymmetric unit. In the title molecule C8—C9 bond length is 1.363(3) Å and this is typical C—C double bond. In the crystal structure the molecules are stabilized by two intermolecular non-classical hydrogen bonds, of which O1 and O3 work as hydrogen bond acceptors and C10 and C11 work as hydrogen bond donors. The distance of the interactions between C10—H10C⋯O2 is 2.58(2) Å and C11—H11A⋯O3 is 2.59 Å and the angles are 168° and 122°, respectively.


Corresponding author: Hazem A. Ghabbour, Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riaydh 11451, Saudi Arabia, e-mail: ; and Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt

Acknowledgements:

The authors would like to extend their sincere appreciation to the Deanship of Scientific Research at King Saud University for funding of this research through the Research Group Project no. RGP-VPP-302.

References

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Received: 2015-12-14
Accepted: 2016-2-8
Published Online: 2016-2-25
Published in Print: 2016-6-1

©2016 Mostafa M. Ghorab et al., published by De Gruyter.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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  71. Crystal structure of trans-bis(2-methylmaleato-κ2O,O′) bis(piperazinium-κN) cobalt(II) trihydrate, C18H36CoN4O11
  72. Crystal structure of (E)-4-chloro-N′-(4-(diethylamino)benzylidene)benzohydrazide, C18H20ClN3O
  73. Crystal structure of 3,6-di(1H-imidazol-1-yl)-9H-carbazole, C18H13N5
  74. Crystal structure of 4-(4-pyridinyl)-1-naphthoic acid, C16H11NO2
  75. Crystal structure of 1,1′-diformyl-4,4′-(6H,12H-5,11-methano-dibenzo[b,f][11,5]diazocine-2,8-diyl)dibenzene, C29H22N2O2
  76. Crystal structure of N′-(adamantan-2-ylidene)pyridine-3-carbohydrazide, C16H19N3O
  77. Crystal structure of 1,1′-(butane-1,4-diyl)bis(5-methyl-1H-pyrazole-3-carbaldehyde), C14H18N4O2
  78. Crystal structure of methyl 8-hydroxy-3-isopropyl-5a,8-dimethyl-2,3,4,5,5a,6,7,8,10a,10b-decahydrocyclohepta[e]indene-3a(1H)-carboxylate, C21H34O3
  79. Crystal structure of 6-oxo-4-propyl-2-(propylthio)-1,6-dihydropyrimidine-5-carbonitrile, C11H15N3OS
  80. Crystal structure of poly[diacetato(μ2-1,4-bis(1H-imidazol-1-yl)benzene-κ2N:N′)nickel(II)], C26H22N8NiO4
  81. Crystal structure of bis(2,4-dibromo-6-{(E)[(4-fluorobenzyl)imino]methyl}phenolato-κ2N,O) copper(II), C28H18Br4F2N2O2Cu
  82. Crystal structure of 1-(adamantan-1-yl)-3-phenylthiourea, C17H22N2S
  83. Crystal structure of 3-(6-(5-amino-1-phenyl-1H-pyrazol-3-yl)pyridin-2-yl)-1-phenyl-1H-pyrazol-5-amine – dioxan (2/1), C25H23N7O
  84. Crystal structure of 5-ethyl-6-[(3-methylphenyl)sulfanyl]pyrimidine-2,4(1H,3H)-dione, C13H14N2O2S
  85. Crystal structure of (((1E,1′E)-(cyclohexane-1,2-diylbis(azanylylidene-κ2N,N′))bis(methanylylidene))bis(2,1-phenylene))bis((2,6-diisopropylphenyl)amide-κ2N′′,N′′′)manganese(II), C44H54N4Mn
  86. Crystal structure of prop-2-en-1-yl 2-oxo-2H-1-benzopyran-3-carboxylate, C13H10O4
  87. Crystal structure of bis(μ2-2-((3-methylphenyl)imino)methylphenolato-κ2N,O:O)hexacarbonyldimanganese(I), C34H24Mn2N2O8
  88. Crystal structure of (Z)-1-(1,5-dimethyl-1H-pyrazol-3-yl)-3-hydroxybut-2-en-1-one C9H12N2O2
  89. Crystal structure of 2,2′-[pentane-1,5-diylbis(oxy)]dibenzaldehyde, C19H20O4
  90. Crystal structure of 2-phenyl-5,6,7,8-tetrahydro-4H-benzo[4,5]thieno[2,3-d][1,3]oxazin-4-one, C16H13NO2S
  91. Crystal structure of (E)-1-(2-chlorophenyl)-N-(4-chlorophenyl)methanimine, C13H9Cl2N
  92. Crystal structure of ethyl 2-amino-5-bromothiazole-4-carboxylate, C6H7BrN2O2S
  93. Crystal structure of 2-benzylisothiouronium tetraphenylborate, C32H31BN2S
  94. Crystal structure of poly[(μ2-biphenyl-2,2′-dicarboxylato-κ4O,O′:O′′,O′′′)(μ2-4,4′-bipyridine-κ2N:N′)copper(II)], C24H16CuN2O4
  95. Crystal structure of (η5-pentamethylcyclopentadienyl)titanium(III)dichloride (THF), C14H23Cl2OTi
  96. Crystal structure of 3-ferrocenylsulfonyl-2-(4-methoxyphenyl)-3H-imidazo[4,5-b]pyridine, C23H19FeN3O3S
  97. Crystal structure of 2-benzoyl-3-(4-fluorophenyl)cyclopropane-1,1-dicarbonitrile, C18H11FN2O
  98. Crystal structure of 1,6-ditosyl-1,6-diazecane, C22H30N2O4S2
  99. Crystal structure of N-phenyl-2-(pyridin-4-ylcarbonyl)hydrazinecarboxamide with Z′ = 4, C13H12N4O2
  100. Crystal structure of N,N-bis(diphenylphosphanyl)cyclohexylamine, C30H31NP2
  101. Crystal structure of 3-(4-hydroxy-3-methoxyphenyl)-N-phenylpropanamide, C16H17NO3
  102. Crystal structure of 6-(2-fluorophenyl)-3-phenyl-[1,2,4]-triazolo[3,4-b][1,3,4]thiadiazole, C15H9FN4S
  103. Crystal structure of catena-poly[aqua(dicyanoazanido-2κN-μ2-dicyanoazanido-1κN:2κN′)(μ2-2-methoxy-6-(((2-((3-methoxy-2-oxidobenzylidene)amino)ethyl)imino)methyl)phenolato-1κ2N,N′,2κ2O,O′,1κ2O′′,O′′′:2κ2O′′,O′′′)cadmium(II)copper(II)], C22H20CdCuN8O5
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