Structural Study of a new Compound Based on Acid 1,4-Cyclohexanedicarboxylic (1,4-CDC)

2010 ◽  
Vol 6 (1) ◽  
pp. 891-896
Author(s):  
Manel Halouani ◽  
M. Dammak ◽  
N. Audebrand ◽  
L. Ktari

One nickel 1,4-cyclohexanedicarboxylate coordination polymers, Ni2 [(O10C6H4)(COO)2].2H2O  (I), was hydrothermally synthesized from an aqueous solution of Ni (NO3)2.6H2O, (1,4-CDC) (1,4-CDC = 1,4-cyclohexanedicarboxylic acid) and tetramethylammonium nitrate. Compound (I) crystallizes in the monoclinic system with the C2/m space group. The unit cell parameters are a = 20.1160 (16) Å, b = 9.9387 (10) Å, c = 6.3672 (6) Å, β = 97.007 (3) (°), V= 1263.5 (2) (Å3) and Dx= 1.751g/cm3. The refinement converged into R= 0.036 and RW = 0.092. The structure, determined by single crystal X-ray diffraction, consists of two nickel atoms Ni (1) and Ni (2). Lots of ways of which is surrounded by six oxygen atoms, a carboxyl group and two water molecules.

2013 ◽  
Vol 12 (7) ◽  
pp. 377-386
Author(s):  
Manel Halouani ◽  
M. Abdelhedi ◽  
M. Dammak ◽  
N. Audebrand ◽  
L. Ktari

A new metal–organic compound [(C10O8H2)2(C4N2H6)].2H2O(I) was hydrothermally synthesized from an aqueous solution of Fe (NO3)3 9H2O, (btec) (btec= 1, 2, 4, 5-benzenetetracarboxylic acid) and piperazine. Compound I crystallizes in the triclinic system with the P1 space group. The unit cell parameters are a = 8.271 Å, b = 8.500 Å, c = 9.660 Å, α = 87.12°, β = 89.53°, γ = 70.91°, Z= 2, V= 640.96(6) Å3 and Dx= 1.602g/cm3. The refinement converged into R= 0.047 and RW = 0.059. The structure, determined by single crystal X-ray diffraction, consists of two carboxyl group, piperazine and two molecules of water.


2008 ◽  
Vol 4 (2) ◽  
pp. 377-386
Author(s):  
Manel Halouani ◽  
M. Abdelhedi ◽  
M. Dammak ◽  
N. Audebrand ◽  
L. Ktari

A new metal–organic compound [(C10O8H2)2(C4N2H6)].2H2O(I) was hydrothermally synthesized from an aqueous solution of Fe (NO3)3 9H2O, (btec) (btec= 1, 2, 4, 5-benzenetetracarboxylic acid) and piperazine. Compound I crystallizes in the triclinic system with the P1 space group. The unit cell parameters are a = 8.271 Å, b = 8.500 Å, c = 9.660 Å, α = 87.12°, β = 89.53°, γ = 70.91°, Z= 2, V= 640.96(6) Å3 and Dx= 1.602g/cm3. The refinement converged into R= 0.047 and RW = 0.059. The structure, determined by single crystal X-ray diffraction, consists of two carboxyl group, piperazine and two molecules of water.


2013 ◽  
Vol 29 (1) ◽  
pp. 53-57
Author(s):  
H.A. Camargo ◽  
A. Sánchez ◽  
J.A. Henao ◽  
Arnold R. Romero Bohórquez ◽  
Vladimir V. Kouznetsov

The compound 2-ethyl-6-(pyridin-4-yl)-7H-indeno[2,1-c]quinoline (2) (chemical formula C23H22N2) was synthesized through the free-solvent oxidation reaction mediated by elemental sulfur from the corresponding 2-ethyl-6-(pyridin-4-yl)-5,6,6a,11b-tetrahidro-7H-indeno[2,1-c]quinoline (1), an adduct easily obtained, using the Lewis acid-promoted [4 + 2] cycloaddition reaction. Preliminary molecular characterization was performed by Fourier transform-infrared and gas chromatography-mass spectrometry. The X-ray powder diffraction (XRPD) pattern for the title compound was analyzed and found to be crystallized in monoclinic system, space groupP21/n(N° 14) with refined unit-cell parametersa = 20.795 (8) Å,b = 7.484 (2) Å,c = 10.787 (2) Å andß = 93.96° (2). The volume of the unit cell isV = 1674.8 (6) Å3.


2016 ◽  
Vol 31 (3) ◽  
pp. 233-239
Author(s):  
Jose H. Quintana Mendoza ◽  
J. A. Henao ◽  
Carlos E. Rondón Flórez ◽  
Carlos E. Puerto Galvis ◽  
Vladimir V. Kouznetsov

The title compound, the 4-phenyl-6-(trifluoromethyl)-3,4-dihydroquinolin-2(1H)-one (4) with chemical formula: (C16H12F3NO), was synthesized from N-[4-(trifluoromethyl)phenyl]cinnamamide (3), chemical formula: (C16H12F3NO), through an intramolecular cyclization mediated by triflic acid. Preliminary molecular characterization of both compounds was performed by Fourier transform infrared spectroscopy, gas chromatography mass spectrometry, and nuclear magnetic resonance spectroscopy (1H, 13C); crystallographic characterization was completed by X-ray diffraction of polycrystalline samples. The title compound 4 crystallized in a monoclinic system and unit-cell parameters are reported [a = 16.002 (3), b = 5.170 (1), c = 17.733 (3) Å, β = 111.11 (2)°, unit-cell volume V = 1368.5 (3) Å3, Z = 4] P21/c (No. 14) space group; the title compound 3 crystallized in a monoclinic system and unit-cell parameters are reported [a = 12.902 (2), b = 5.144 (1), c = 20.513 (5) Å, β = 91.67 (2)°, unit-cell volume V = 1360.7 (4) Å3, Z = 4] P21/c (No. 14) space group.


2010 ◽  
Vol 25 (1) ◽  
pp. 72-74 ◽  
Author(s):  
H. A. Camargo ◽  
J. A. Henao ◽  
D. F. Amado ◽  
V. V. Kouznetsov

1-N-(4-pyridylmethyl)amino naphtalene was synthesized by means of a reaction of alpha-naphthylamine, 4-pyridylcarboxyaldehyde, in anhydrous ethanol to obtainN-(4-pyridylen)-alpha-naphthylamine and that was reduced with NaBH4 to produce the wanted compound. The X-ray powder diffraction pattern for the new compound 1-N-(4-pyrydylmethyl)amino naphtalene was obtained. This compound crystallizes in a monoclinic system with refined unit cell parameters a=10.375(5) Å, b=17.665(6) Å, c=5.566(2) Å, β=100.11(3), and V=1004.3(5) Å3, with space group P2/m (No. 10).


2019 ◽  
Vol 9 (2) ◽  
pp. 116-124 ◽  
Author(s):  
Alami Anouar ◽  
Khadim Dioukhane ◽  
Younas Aouine ◽  
Mohamed El Omari ◽  
Lahcen El Ammari ◽  
...  

The organo-amino compound of title 2-(4-methyl-2-phenyl-4,5-dihydro-oxazol-4-ylmethyl)-isoindole-1,3-dione was synthesized by the mixture of (4-methyl-2-phenyl-4,5-dihydrooxazol-4-yl)methyl-4-methylbenzenesulfonate and isoindoline-1,3-dione in N,N-dimethylformamide with a yield of around 65%. The structural study of the compound, C19H16N2O3, is realized using single crystal X-Ray diffraction which shows that this compound crystallizes in the monoclinic system (P21/c, Z = 4) with the unit cell parameters: a = 14.3728 (13) Ã…, b = 9.6829 (10) Ã…, c = 11.8964 (12) Ã… and β = 107.384 (3). The refinement of the structure by the least-squares method with complete matrix leads to the following reliability factors R/Rw are 0.044/0.130.In the crystal, the molecules are linked together by hydrogen bonds and π…π interactions.The Infrared spectroscopic studies show the bands confirming the presence of the groups C=O, C-O, C-N, -CH3, -CH2 and =CH. 


2014 ◽  
Vol 29 (2) ◽  
pp. 186-189
Author(s):  
L.R. Morantes ◽  
C.F. Medina ◽  
J.A. Henao ◽  
V.V. Kouznetsov ◽  
H.A. Camargo

The title compound 1-N-(3-pyridylmethyl)aminonaphthalene hydrochloride (C16H15N2Cl) was obtained by a reaction of α-naphthylamine (1) and N-pyridincarboxaldehyde (2) in anhydrous ethanol in the first step. The formed imine (3) was reduced with sodium borohydride in anhydrous methanol to give the product 1-N-(3-pyridylmethyl)aminonaphthalene (4). Finally, the hydrochloride was prepared by addition of a hydrochloric acid–ethyl acetate solution (ratio 1:3) with constant stirring and maintaining the temperature between 0 and 5 °C, obtaining a yellow polycrystalline solid corresponding to the respective derivative (5). The X-ray powder diffraction pattern for the new compound (5) was obtained. The compound (5) crystallizes in a monoclinic system with the space group P21/m (No. 11) and refined unit-cell parameters: a = 16.257 (8) Å, b = 9.236 (7) Å, c = 13.221 (6) Å, β = 94.87° (5), Z = 6, and V = 1978 (1) Å3.


2016 ◽  
Vol 31 (1) ◽  
pp. 66-70
Author(s):  
H. A. Camargo ◽  
J. A. Henao ◽  
N. J. Castellanos

The dibromo-dioxo-(1,10-phenanthroline-N,N′)-molybdenum(VI) complex (C12H8N2MoBr2O2) was prepared from molybdic acid and 1,10-phenanthroline using hydrobromic acid as solvent. The molybdenum complex solid was separated by filtration and washed with ethyl ether. The X-ray powder diffraction pattern for the title compound was analyzed and found to crystallizes in monoclinic system, space group P21/c (No14) with refined unit-cell parameters a = 12.036 (1), b = 9.819 (1), c = 12.671 (2) Å, and β = 110.44° (1). The volume of the unit cell is V = 1403.2 (3) Å3.


2011 ◽  
Vol 26 (4) ◽  
pp. 346-349 ◽  
Author(s):  
M. A. Macías ◽  
J. A. Henao ◽  
Lina María Acosta ◽  
Alirio Palma

The 6,8-dimethyl-cis-2-vinyl-2,3,4,5-tetrahydro-1H-benzo[b]azepin-4-ol (2a) (Chemical formula C14H19NO) and 8-chloro-9-methyl-cis-2-(prop-1-en-2-yl)-2,3,4,5-tetrahydro-1H-benzo[b]azepin-4-ol (2b) (Chemical formula C14H18ClNO) were prepared via the reductive cleavage of the bridged N-O bond of the corresponding 1,4-epoxytetrahydro-1-benzazepines. The X-ray powder diffraction patterns for the new compounds were obtained. The compound 2a was found to crystallize in an orthorhombic system with space group Pmn21 (No. 31), refined unit-cell parameters a = 19.422(6) Å, b = 6.512(3) Å, c = 9.757(4) Å and V = 1234.0(5) Å3. The compound 2b was found to crystallize in a monoclinic system with space group P21/m (No. 11), refined unit-cell parameters a = 17.570(4) Å, b = 8.952(3) Å, c = 14.985(4) Å, β = 101.66(2)°, and V = 2308.3(9) Å3.


2018 ◽  
Vol 33 (1) ◽  
pp. 66-69
Author(s):  
H. A. Camargo ◽  
C. C. Rosas ◽  
J. A. Henao ◽  
N. J. Castellanos

The Schiff base N1,N2-di(2-hydroxy)benzylidenebenzene-1,2-di-imine was prepared from salicylaldehyde and 1,2-diaminobenzene by reflux in ethanol for 6 h obtaining an orange crystalline solid. The Schiff base solid was separated by filtration and washed with ethanol and ethylic ether, and finally, it was dried in a vacuum system for 2 h. The X-ray powder diffraction pattern for this new compound showed that the crystalline compound belongs to the monoclinic system and space group P21/c (No. 14) with refined unit-cell parameters a = 5.9672 (7) Å, b = 16.561 (1) Å, c = 16.337 (2) Å, β = 91.41° (1). The volume of the unit cell is V = 1614.1 (2) Å3.


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