Startseite Crystal structure of 5-nitro-2-(pyrrolidin-1-yl)benzaldehyde, C11H12N2O3
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Crystal structure of 5-nitro-2-(pyrrolidin-1-yl)benzaldehyde, C11H12N2O3

  • Aka Joseph N’gouan EMAIL logo , Frédérica Mansilla-Koblavi , Adeyole Timotou , Ané Adjou und Jules Abodou Tenon
Veröffentlicht/Copyright: 1. April 2017

Abstract

C11H12N2O3, monoclinic, P21/n (no. 14), a = 8.1726(2) Å, b = 7.1419(2) Å, c = 18.4875(6) Å, β = 100.376(1), V = 1061.43(4) Å3, Z = 4, Rgt(F) = 0.0533, wRref(F2) = 0.1212, T = 298 K.

CCDC no.:: 1536055

The crystal structure is shown in the figure. Tables 1 and 2 contain details on crystal structure and measurement conditions and a list of the atoms including atomic coordinates and displacement parameters.

Table 1

Data collection and handling.

Crystal:Yellow prism
Size:0.25 × 0.20 × 0.10 mm
Wavelength:Mo Kα radiation (0.71073 Å)
μ:1.0 cm−1
Diffractometer, scan mode:Nonius KappaCCD, ω/2θ-scans
2θmax, completeness:50°, >92%
N(hkl)measured, N(hkl)unique, Rint:1729, 1729, 0.045
Criterion for Iobs, N(hkl)gt:Iobs > 2 σ(Iobs), 1475
N(param)refined:149
Programs:SIR2004 [1], PLATON [2], SHELX [3]
Table 2

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

AtomxyzUiso*/Ueq
C10.11867(19)0.6525(2)0.44714(9)0.059
C60.18913(19)0.4822(2)0.43860(9)0.057
H60.16690.42390.39290.069*
C50.29255(18)0.3941(2)0.49601(9)0.055
C40.32592(19)0.4832(2)0.56631(9)0.059
C30.2534(2)0.6625(3)0.57158(10)0.072
H30.27650.72610.61610.087*
C20.1520(2)0.7442(2)0.51437(10)0.066
H20.10510.86070.52000.079*
C70.3595(3)0.2144(3)0.47637(13)0.1019(8)
H70.470(3)0.178(4)0.5064(15)0.122*
N20.41897(18)0.4084(2)0.62709(8)0.0682(4)
O1−0.06345(18)0.8828(2)0.39664(8)0.0916(4)
N10.0071(2)0.7370(2)0.38666(9)0.0749(4)
O2−0.0159(3)0.6579(3)0.32697(9)0.1171(6)
O30.3292(2)0.1401(2)0.41944(9)0.1130(6)
C91a0.4946(10)0.1911(8)0.7157(3)0.111(2)
H91Aa0.38800.16980.73040.133*
H91Ba0.56880.08820.73310.133*
C92b0.6168(10)0.2426(10)0.7129(3)0.084(2)
H92Ab0.71730.31070.70860.101*
H92Bb0.64670.12000.73370.101*
C102b0.5127(19)0.350(2)0.7586(8)0.096(3)
H10Ab0.43510.26730.77700.115*
H10Bb0.58230.41090.79990.115*
C101a0.5666(16)0.372(2)0.7434(6)0.120(3)
H10Ca0.68390.37790.74070.144*
H10Da0.55360.39190.79400.144*
C112b0.424(2)0.489(2)0.7066(9)0.077(3)
H11Ab0.48170.60770.71210.092*
H11Bb0.31180.50730.71570.092*
C111a0.4670(15)0.5185(19)0.6922(6)0.087(2)
H11Ca0.37110.56310.71130.105*
H11Da0.53570.62410.68370.105*
C82b0.503(3)0.228(3)0.6404(11)0.066(3)
H82Ab0.56520.19990.60180.079*
H82Bb0.42200.12860.64170.079*
C81a0.475(3)0.215(3)0.6322(8)0.076(3)
H81Aa0.57970.19930.61520.091*
H81Ba0.39240.13060.60570.091*
  1. aOccupancy: 0.584(9); bOccupancy: 0.416(9).

Source of material

Pyrrolidine (5.46 g, 66 mmol) and sodium hydrogenocarbonate (5.54 g, 66 mmol) were added to 2-chloro-5-nitrobenzaldehyde (8 g, 42 mmol) dissolved in ethanol. The mixture was heated to reflux during 24 h under inert conditions. After cooling to ambient temperature, the mixture was poured into 150 ml of dichloromethane, then washed twice with 50 ml of water. The organic layer was dried on magnesium sulfate, filtered and concentrated under reduced pressure. The residue was purified by flash chromatography on silica gel using DCM/hexane (80/2). Yellow crystals (7 g) of the title compound were obtained with 72.31% yield.

Experimental details

H atoms were placed at chemically acceptable positions using instructions AFIX 43 for the aromatic group and AFIX 23 for methylene groups. The hydrogen atom attached to C7 was located from difference fourier map and refined isotropically. All C atoms involved in the pyrrolidine ring are disordered over two positions with different occupancy factors (0.58 and 0.42), their temperature factors were restrained using the DELU instruction of SHELX-2014/7 [3].

Discussion

A variety of tricyclic indolinic derivatives have been discovered and approved to be useful in the treatment of many deseases [4], [5], [6]. But the biological activity shown by a set of analogue compounds depends on position and nature of substituents on a common scaffold [7]. In intending to synthesize new tricyclic indolinic derivatives, especially those with a nitro-aryl function, the title compound has been synthesized as a precursor. The crystal structure of the title compound should establish its conformation.

A nitrobenzaldehyde moiety is linked to a pyrrolidine ring to form the title molecule (cf. the figure). The bond lengths and angles in the structure are within normal ranges [8]. As usually encountered, the pyrrolidine moiety is disordered [9, 10] . Atoms in this ring, except nitrogen one, are disordered over two positions. According to puckering analysis [11] the disordered pyrrolidine ring adopts envelope conformations in both conformers with respect to the carbon atoms C91 and C92 being out of the plane formed by the four remaining atoms. The puckering parameters are: q2 = 0.424(14)° and φ = 254.1(19)° for N2/C81–C111 ring, and q2 = 0.407(16)° and φ = 71(2) for N2/C82–C112. The crystal packing is supported by weak C—H⋯O hydrogen bonds and π–π interactions.

Acknowledgement

We thank the Spectropole service of the Faculty of Sciences and Techniques of Saint Jérome University (France) for using their diffractometer.

References

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Received: 2016-11-3
Accepted: 2017-3-5
Published Online: 2017-4-1
Published in Print: 2017-5-24

©2017 Aka Joseph N’gouan et al., published by De Gruyter, Berlin/Boston

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

Artikel in diesem Heft

  1. Cover and Frontmatter
  2. Crystal structure of 2,5-diiodo-4-nitro-1H-imidazole hemihydrate, C6H4I4N6O5
  3. Crystal structure of catena-poly[μ2-2,2′-(1,3-phenylene)diacetato-κ4O,O′:O′′,O′′′)-(μ2-1,6-bis(2-methyl-1H-benzo[d]imidazol-1-yl)hexane-κ2N:N′)cadmium(II)], C32H34CdN4O4
  4. Crystal structure of poly[aqua-(2,2′-bipyridine-κN,N′)-(μ4-5,5′-(hexane-1,6-diyl)-bis(oxy)diisophthalato κ8O1,O2:O3,O4:O5,O6:O7,O8)manganese(II)], C21H21MnN2O7
  5. Crystal structure of poly-[(μ2-((1,3-bis(benzimidazol-1-yl)propane-κ2N:N′)(μ2-4-tert-butyl-phthalato-κ2O:O′)cobalt(II)] monohydrate, C29H30CoN4O5
  6. Crystal structure of 2-amino-4-(3,4,5-trimethoxy-phenyl)-5-(oxo-5,6,7,8-tetrahydro-4H-chromene)-3-carbonitrile – ethanol (1/1), C21H26N2O6
  7. Crystal structure of ethyl 1-benzyl-5-phenyl-1H-pyrazole-3-carboxylate, C19H18N2O2
  8. Crystal structure of 2-(1-benzyl-3-phenyl-1H-pyrazol-5-yl)-5-(4-nitrobenzylthio)-1,3,4-oxadiazole, C25H19N5O3S
  9. Structure and photochromism of 1,2-bis[2-methyl-5-(2-chlorophenyl)-3-thienyl]-3,3,4,4,5,5-hexafluorocyclopent-1-ene, C27H16Cl2F6S2
  10. The crystal structure of the Schiff base (E)-2,6-diisopropyl-N-(pyridin-4-ylmethylene)aniline, C18H22N2
  11. Crystal structure of (E)-2,4-dibromo-6-(((4-methyl-2-nitrophenyl)imino) methyl)phenol, C10H14Br2N2O3
  12. Crystal structure of (bis(2,2′-bipyridine-κ2N,N′))-(3,5-dinitrosalicylato-κ2O,O′)nickel(II), C27H18N6NiO7
  13. Crystal structure of 1-(diethoxy phosphonomethyl) 2-benzoyl-3-chloro-2-cyclohexen-1-ol, C18H24ClO5P
  14. Crystal structure of tetraaqua-bis(1,3-benzimidazol-3-ium-1,3-diacetato-κO)copper(II) hemihydrate, C22H27CuN4O12.50
  15. Crystal structure of 1α,11-dihydroxyeremophil-9-en-8-one, C15H24O3
  16. Crystal structure of 1-ferrocenylsulfonyl-1H-imidazo[4,5-b]pyridine, C16H13FeN3O2S
  17. Crystal structure of bis(μ2-azido-κ2N:N)-dichlorido-bis(μ2-2-(pyridin-2-yl)ethan-1-ol-κ2O,N)dicopper(II), C14H18Cl2Cu2N8O2
  18. Crystal structure of (5,15-cis-bis(2-hydroxy-1-naphthyl)-10-phenyl-20-(4-hydroxyphenyl)-porphyrinato)-(pyridine)-zinc(ii) pyridine solvate, C67H47N7O3Zn
  19. Crystal structure of (μ2-[2,2′-bis(diphenylphosphino)-1,1′-binaphthalene oxide-κ2O,P])-iodido copper(I), C44H32CuIOP2
  20. Crystal structure of 6,8-diphenyl-2-(4-fluorophenyl)-2,3-dihydroquinolin-4(3H)-one, C27H20FNO
  21. Crystal structure of 5,11,17,23-tetra(tert-butyl)-25,26,27,28-tetrahexoxycalix[4]arene, C68H104O4
  22. Crystal structure of N,N′–bis(pyridin-4-ylmethyl)pyrazine-2,3-dicarboxamide dihydrate, C18H20N6O4
  23. Crystal structure of a diaqua-bis(3,5-di(1H-imidazol-1-yl)pyridine-κN)-bis(2-(4-carboxy-phenyl)acetato-κO]manganese(II), C40H36MnN10O10
  24. Crystal structure of 4-(4-hydroxy-3-methoxy-phenyl)-2,7,7-trimethyl-5-oxo-1,4,5,6,7,8-hexahydro-quinoline-3-carboxylic acid methyl ester, C21H25NO5
  25. Crystal structure of (E)-4,4′-(ethene-1,2-diyl)bis(3-nitrobenzoic acid) 1.5 hydrate, C16H13N2O9.5
  26. Crystal structure of (E)-2-(5-(4-fluorophenyl)-3-(furan-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-5-((4-fluorophenyl)diazenyl)-4-methylthiazole, C23H17F2N5OS
  27. Crystal structure of the co-crystalline adduct 4-((4,4-dimethyl-2,6-dioxocyclohexylidene)methylamino)-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide - acetic acid (1/1), C21H24N4O4S ⋅ C2H4O2
  28. Synthesis and crystal structure of 2-((5-chlorobenzo[c][1,2,5]thiadiazol-4-yl)amino)-4,5-dihydro-1H-imidazol-3-ium tetraphenylborate, C33H29BClN5S
  29. Crystal structure of (4-chlorophenyl)(3-ferrocenyl-5-(trifluoromethyl)-1H-pyrazol-1-yl)methanone, C21H14ClF3FeN2O
  30. Crystal structure of (S)-benzyl 3-(benzylcarba-moyl)-3,4-dihydroisoquinoline-2(1H)-carboxylate, C25H24N2O3
  31. Crystal structure of 5-acetyl-3-(3-fluoro-4-morpholinophenyl)oxazolidin-2-one, C15H17FN2O4
  32. Crystal structure of 2-(4-fluorophenyl)-1,3-dimethyl-1H-perimidin-3-ium iodide, C19H16FIN2
  33. Crystal structure of methyl 1H-indole-2-carboxylate, C10H9NO2
  34. Crystal structure of 2,3-diphenyl-1-[(dipropylamino)acetyl]-1,3-diazaspiro[4.5]decan-4-one, C28H37N3O2
  35. Crystal structure of 1-(2H-1,3-benzodioxol-5-yl)-3-(1H-imidazol-1-yl)propan-1-one, C13H12N2O3
  36. Crystal structure of 2,9-dibromo-1,10-phenanthroline, C12H6Br2N2
  37. Crystal structure of 3-(adamantan-1-yl)-4-(4-fluorophenyl)-1H-1,2,4-triazole-5(4H)-thione, C18H20FN3S
  38. Crystal structure of trans-bis((E)-7-oxo-4-(phenyldiazenyl)cyclohepta-1,3,5-trien-1-olato)-κ2O,O′)-bis(pyridine-κN)cobalt(II), C36H28CoN6O4
  39. Crystal structure of 2-(4-methyl-3-phenylthiazol-2(3H)-ylidene)malononitrile, C13H9N3S
  40. Crystal structure of (Z)-3-(adamantan-1-yl)-1-(3-chlorophenyl)-S-benzylisothiourea, C24H27ClN2S
  41. Crystal structure of chlorido{[3-(η5-cyclopenta-dienyl)-2,2,3-trimethyl-1-phenylbutylidene] azanido-κN}[η2(N,O)-N,N-dimethylhydroxylaminato]titanium(IV), C20H27ClN2OTi
  42. Crystal Structure of 1,1′-dimethyl-[4,4′-bipyridine]-1,1′-diium tetrachloridozincate(II), C12H14Cl4N2Zn
  43. Crystal structure of 5-nitro-2-(pyrrolidin-1-yl)benzaldehyde, C11H12N2O3
  44. Crystal structure of 2,3-diphenyl-1-(morpholin-4-ylacetyl)-1,3-diazaspiro[4.5]decan-4-one, C26H31N3O3
  45. Crystal structure of 3,3-dimethyl-3,4-dihydro-1H-benzo[c]chromene-1,6(2H)-dione, C15H14O3
  46. Crystal structure of bis(2-(2-hydroxymethyl)pyridine-κ2N,O)-bis(pivalato-κO)nickel(II), C22H32N2NiO6
  47. Crystal structure of (1,10-phenanthroline-κ2N,N′)-bis(1H-pyrazole-3-carboxylato-κ2N,O)manganese(II) trihydrate, C20H20N6O7Mn
  48. The crystal structure of 3-aminopropan-1-aminium iodide, C3H11N2I
  49. Crystal structure of ethyl 1-(4-chlorophenyl)-5-methyl-1H-1,2,3-triazole-4 carboxylate, C12H12ClN3O2
  50. Crystal structure of 4,4′-((1Z,1′Z)-2,2′-(2,5-diethoxy-1,4-phenylene)bis(ethene-2,1-diyl))dipyridine, C24H24N2O2
  51. Crystal structure of (16S)-12,16-epoxy-11,14-dihydroxy-17(15/16)-abeo-3a,18-cyclo-8,11,13-abietatrien-7-one, C20H24O4
  52. Crystal structure of aquadichlorido(2,4,6-tri-2-pyridyl-1,3,5-triazine-κ3N,N′,N′′)nickel(II) monohydrate, C18H16Cl2N6NiO2
  53. Crystal structure of catena-poly[dichlorido-(μ-ethane-1,2-diyl-bis-(pyridyl-4-carboxylate-κN:N′)mercury(II)], C15H14Cl2HgN2O4
  54. Crystal structure of methyl 2-acetamido-5-chlorbenzoate, C10H10ClNO3
  55. Crystal structure of tetrakis(μ2-3,3-dimethylacrylato-κ2O,O′)-bis(2-aminopyrimidine-κN) dicopper(II), C28H38Cu2N6O8
  56. Crystal structure of 3-amino-8-methoxy-1-phenyl-1H-benzo[f]chromene-2-carbonitrile, C21H16N2O2
  57. Crystal structure of 4-(2-ammonioethyl)morpholin-4-ium dichloride monohydrate, C6H18Cl2N2O2
  58. Crystal structure of 1-(3-((5-bromo-2-hydroxybenzylidene)amino)phenyl)ethanone O-benzyl oxime, C22H19BrN2O2
  59. Crystal structure of 2-(4-(dimethylamino)-2-fluorophenyl)-1,3-bis(1H-1,2,4-triazol-1-yl)propan-2-ol monohydrate, C15H20FN7O2
  60. Crystal structure of 4-bromo-2-(1H-pyrazol-3-yl)phenol, C9H7BrN2O
  61. Crystal structure of 1,2,3,4,5-pentamethyl-1,3-cyclopentadiene, C10H16
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