Home The crystal structure of [1-(4-(trifluoromethyl)phenyl)-3,4-dihydroquinolin-2(1H)-one], C16H12F3NO
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The crystal structure of [1-(4-(trifluoromethyl)phenyl)-3,4-dihydroquinolin-2(1H)-one], C16H12F3NO

  • Xuewei Pu , Fanjie Meng ORCID logo EMAIL logo and Shaoliang Zhang
Published/Copyright: July 5, 2023
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Zeitschrift für Kristallographie - New Crystal Structures
From the journal Zeitschrift für Kristallographie - New Crystal Structures Volume 238 Issue 5

Abstract

C16H12F3NO, orthorhombic, P212121 (no. 19), a = 6.9928(6) Å, b = 8.9764(8) Å, c = 21.216(2) Å, V = 1331.7(2) Å3, Z = 2, Rgt(F) = 0.0583, wRref(F2) = 0.1552, T = 298 K.

CCDC no.: 2260004

The molecular structure is shown in the figure. Table 1 contains crystallographic data and Table 2 contains the list of the atoms including atomic coordinates and displacement parameters.

Table 1:

Data collection and handling.

Crystal: Colorless block
Size: 0.40 × 0.33 × 0.31 mm
Wavelength: Mo Kα radiation (0.71073 Å)
μ: 0.12 mm−1
Diffractometer, scan mode: Bruker SMART APEX II, φ and ω
θmax, completeness: 25.0°, 97 %
N(hkl)measured, N(hkl)unique, Rint: 5991, 2329, 0.085
Criterion for Iobs, N(hkl)gt: Iobs > 2 σ(Iobs), 1800
N(param)refined: 201
Programs: Bruker [1], SHELX [2]
Table 2:

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

Atom x y z Uiso*/Ueq
F1a 0.5240 (11) 0.4950 (7) 0.2014 (4) 0.100 (2)
F2a 0.4364 (13) 0.5906 (14) 0.2861 (3) 0.120 (3)
F3a 0.6505 (11) 0.6895 (9) 0.2334 (6) 0.117 (3)
F1′b 0.4046 (19) 0.5099 (11) 0.2596 (8) 0.100 (2)
F2′b 0.625 (2) 0.585 (2) 0.2007 (5) 0.120 (3)
F3′b 0.5472 (18) 0.6953 (15) 0.2792 (9) 0.117 (3)
N1 −0.0638 (4) 0.9572 (4) 0.09622 (16) 0.0388 (9)
O1 −0.1864 (4) 0.7488 (4) 0.05416 (18) 0.0568 (9)
C1 −0.1877 (6) 0.8832 (5) 0.0578 (2) 0.0434 (11)
C2 −0.3150 (7) 0.9794 (6) 0.0192 (2) 0.0570 (13)
H2A −0.4252 0.9220 0.0058 0.068*
H2B −0.2468 1.0113 −0.0183 0.068*
C3 −0.3814 (6) 1.1136 (6) 0.0548 (3) 0.0596 (14)
H3A −0.4534 1.1781 0.0268 0.071*
H3B −0.4655 1.0827 0.0887 0.071*
C4 −0.2166 (5) 1.1969 (6) 0.0813 (2) 0.0468 (11)
C5 −0.0591 (5) 1.1130 (5) 0.1010 (2) 0.0374 (10)
C6 0.0974 (5) 1.1859 (5) 0.1264 (2) 0.0459 (11)
H6 0.2034 1.1314 0.1394 0.055*
C7 0.0973 (7) 1.3366 (6) 0.1326 (2) 0.0570 (13)
H7 0.2028 1.3843 0.1500 0.068*
C8 −0.0563 (8) 1.4181 (6) 0.1134 (3) 0.0605 (14)
H8 −0.0567 1.5211 0.1180 0.073*
C9 −0.2088 (7) 1.3475 (6) 0.0874 (2) 0.0576 (14)
H9 −0.3116 1.4042 0.0734 0.069*
C10 0.0735 (5) 0.8710 (4) 0.1303 (2) 0.0384 (10)
C11 0.2299 (5) 0.8155 (6) 0.0997 (2) 0.0456 (11)
H11 0.2465 0.8334 0.0569 0.055*
C12 0.3621 (5) 0.7336 (5) 0.1323 (2) 0.0471 (12)
H12 0.4674 0.6939 0.1114 0.057*
C13 0.3396 (5) 0.7101 (4) 0.1952 (2) 0.0410 (10)
C14 0.1831 (6) 0.7657 (5) 0.2256 (2) 0.0481 (11)
H14 0.1670 0.7481 0.2685 0.058*
C15 0.0498 (6) 0.8470 (5) 0.1934 (2) 0.0459 (11)
H15 −0.0561 0.8857 0.2143 0.055*
C16 0.4824 (7) 0.6224 (6) 0.2297 (3) 0.0571 (13)

  1. aOccupancy: 0.611(5), bOccupancy: 0.389(5).

1 Source of materials

1-(4-(trifluoromethyl)phenyl)-1,2,3,4-tetrahydroquinoline (5.0 mmol, 1.05 g) and cesium carbonate (Cs2CO3, 7.5 mmol) were mixed in a 25 mL Schlenk tube containing a magnetic stirring bar, then we added dry DMF (50 mL) to the tube to dissolve the substrate and finally added (diacetoxyiodo)benzene (1.0 mmol). Oxygen atmosphere was incorporated through an O2 balloon. The resulting mixture was stirred at RT with the irradiation of a 20 W blue LED light for 36 h. After the reaction was completed, the reaction solution underwent an aqueous workup and was extracted three times with ethyl acetate. The combined organic layers were dried over sodium sulfate, and concentrated in vacuo. The title compound was purified by flash chromatography on silica gel using petroleum ether/ethyl acetate (10:1).

2 Experimental details

All hydrogen atomic positions were refined with variable isotropic displacement parameters. Hydrogen atoms were assigned with common isotropic displacement factors Uiso (H) = 1.2 times Uiso (C, phenyl ring and methylene carbon) and Uiso (H) = 1.5 times Ueq (C, methyl carbon). All the H atoms were refined as riding on their parent atom.

3 Comment

Nitrogen heterocyclic compounds are valuable and prevalent pharmacophores with diverse bioactivity [3], including anti-bacterial, anti-inflammatory, and anti-cancer activity, among others [4], [5], [6], [7]. N-aryl tetrahydroquinolinone derivatives can be conveniently prepared according to the one-step palladium-catalyzed N-arylation reaction. The construction of N-aryl tetrahydroisoquinolinones is regarded as a desirable and valuable synthetic goal [7], [8], [9], which would be of great significance to the synthetic and pharmaceutical fields [10, 11]. This electron-donor-acceptor complex-mediated oxidation process eliminates the need to use photo catalysts and allows for the effective preparation of a broad range of synthetically and biologically valuable quinolinones under very mild conditions. Mechanistic studies indicated a short radical chain reaction initiated by visible-light-induced electron transfer within the tertiary amine diacetoxyiodo benzene electron-donor-acceptor complex [12]. Although its molecular structure has been discovered, its crystal structure has not yet been reported.

The title compound contained one quinoline and one phenyl moiety. Owing to the carbons at positions C2 and C3 are saturated carbons containing two hydrogens, all the atoms of quinoline ring are not coplanar. And the torsion angles of C1–N1–C10–C15 and C5–N1–C10–C15 are −105.1° and 78.3°, respectively. The C1 position of the aromatic ring in the parent nucleus of 3,4-dihydroquinolin-2(1H)-one is oxidized. The trifluoromethyl group replaces the hydrogen in the benzene ring at position C13. All the bond lengths and angles are comparable with its analogues and in the expected ranges [13–16].

Corresponding author: Fanjie Meng, College of Pharmacy, Jinzhou Medical University, Jinzhou 121001, Liaoning, China, E-mail:

Funding source: Jinzhou Medical University Research Project

Award Identifier / Grant number: 6001/173211016, 6001/173220901

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: This study was funded by Jinzhou Medical University Research Project (6001/173211016, 6001/173220901).

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2023-05-17
Accepted: 2023-06-21
Published Online: 2023-07-05
Published in Print: 2023-10-26

© 2023 the author(s), published by De Gruyter, Berlin/Boston

This work is licensed under the Creative Commons Attribution 4.0 International License.

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  2. New Crystal Structures
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https://doi.org/10.1515/ncrs-2023-0240
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Articles in the same Issue

  1. Frontmatter
  2. New Crystal Structures
  3. The crystal structure of (N-([1,1′:4′,1″-terphenyl]-4,4′-diethyl)-2-(bis(pyridin-2-ylmethyl)amino)acetamide-κ4N,N,N″, O)tri(nitrato-kO, O′) samarium(III) - methanol - acetonitrile (1/1/1), C40H39SmN8O14
  4. The crystal structure of 6,6′-(((2-(dimethylamino)ethyl)azanediyl)bis(methylene))bis(2-chloro-4-methyl phenolate-κ4N,N′,O,O′)-(pyridine-2,6-dicarboxylato-N,O,O′)-titanium(IV), C27H27Cl2N3O6Ti
  5. N′-[(1E)-(4–Fluorophenyl)methylidene]adamantane-1-carbohydrazide, C18H21FN2O
  6. Crystal structure of 4-bromo-3-nitro-1H-pyrazole-5-carboxylic acid monohydrate, C4H2N3BrO4·H2O
  7. Crystal structure of dipyridine-k1N-tris(2,2,6,6-tetramethyl-5-oxohept-3-en-3-olato-k2O,O′)dysprosium(III), DyC43H67O6N2
  8. Crystal structure of cyclo[tetraiodido-bis{μ2-1-[(benzotriazol-1-yl)methyl]-1-H-1,3-(2-isopropyl-imidazol)-k2N:N}dicadmiun(II)], C26H30N10Cd2I4
  9. The crystal structure of tert-butyl (E)-3-(2-(benzylideneamino)phenyl)-1H-indole-1-carboxylate, C26H24N2O2
  10. The crystal structure of 4-(3-carboxy-1-cyclopropyl-6-fluoro-8-methoxy-4-oxo-1,4- dihydroquinolin-7-yl)-2-methylpiperazin-1-ium 2,5-dihydroxybenzoate methanol solvate, C27H32FN3O9
  11. Crystal structure of (μ2-1-(4,4′-bipyridine-κ2N:N′)-bis[diaqua-(4-iodopyridine-2,6-dicarboxylato-κ3O,N,O′)–cobalt(II)], C24H20Co2I2N4O12
  12. The crystal structure of dimethyl 4,4′-(10,20-diphenylporphyrin-5,15-diyl)dibenzoate dichloromethane solvate, C49H36N4O4Cl2
  13. (E)-2-((E)-4-(2,6,6-trimethylcyclohex-1-en-1-yl)but-3-en-2-ylidene)hydrazine-1-carbothioamide C14H23N3S1
  14. The crystal structure of [1-(4-(trifluoromethyl)phenyl)-3,4-dihydroquinolin-2(1H)-one], C16H12F3NO
  15. Crystal structure of (E)-2-amino-N′-((3-hydroxy-5-(hydroxymethyl)-2-methylpyridin-4-yl)methylene)benzohydrazide – dimethylformamide – water (1/1/2), C15H16N4O3·C3H7NO·2H2O
  16. Crystal structure of 3-(4-bromophenyl)-5-methyl-1H-pyrazole, C10H9BrN2
  17. Crystal structure of 1,10-phenanthrolinium bromide dihydrate, C12H9N2Br
  18. Crystal structure of N-(4′-chloro-[1,1′-biphenyl]-2-yl)formamide, C13H10ClNO
  19. The crystal structure of nitroterephthalic acid, C8H5NO6
  20. Crystal structure of (2-((4-bromo-2,6-dichlorophenyl)amino)phenyl) (morpholino)methanone, C17H15BrCl2N2O2
  21. Crystal structure of tetraaqua-bis(ethanol-κO)-tetrakis(μ2-trifluoroacetate-κ2O:O′)-bis(trifluoroacetate-κ2O)digadolinium(III) Gd2C16H20O18F18
  22. The crystal structure of dimethyl 4,4′-[10,20-bis(2,6-difluorophenyl)porphyrin-5,15-diyl]dibenzoate chloroform solvate, C50H32Cl6F4N4O4
  23. The crystal structure of N,N′-((nitroazanediyl)bis(methylene))diacetamide, C6H12O4N4
  24. The crystal structure of [bis(2,2′-bipyridine-6-carboxylato-κ3N,N,O)magnesium(II)]dihydrate, C22H18N4O6Mg
  25. Crystal structure of poly[diaqua-(bis(μ2-1,4-bis(imidazol-1-ylmethyl)benzene)-κ2N,N′] cobalt(II)-tetraqua-bis(1,4-bis(imidazol-1-ylmethyl)benzene)-κ1N)-cobalt(II) di(2,5-thiophenedicarboxylate) dihydrate, C68H76Co2N16O16S2
  26. Crystal structure of poly[chlorido-μ2-chlorido-(μ2-1-[(2-ethyl-4-methyl-1H-imidazol-1-yl)methyl]-1H-benzotriazole-κN:N’)cadmium(II)], C13H15CdN5Cl2
  27. The crystal structure of (4-hydroxybenzenesulfonate)-k1O-6,6′-((1E,1′E)- (ethane-1,2-diylbis(azaneylylidene))bis(methaneylylidene)) bis(2-methoxyphenol)-κ2N,N,μ2O,O,κ2O, O)-(methanol)-cobalt(II) sodium(I), C25H27CoN2NaO9S
  28. Crystal structure of (1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)(4-((2-methyl-6-(trifluoromethyl)pyrimidin-4-yl)amino)piperidin-1-yl)methanone, C17H18F6N6O
  29. Crystal structure of bis{[(cyclohexylimino)(phenylimino)-l5-(methyl)diethylazane-κ2N:N′]-(ethyl)-zinc(II)]}, C38H62N6Zn2
  30. Crystal structure of 2-[(4-bromobenzyl)thio]-5-(5-bromothiophen-2-yl)-1,3,4-oxadiazole, C13H8Br2N2OS2
  31. Crystal structure of 10-methoxy-7,11b,12,13-tetrahydro-6H-pyrazino [2′,3′:5,6]pyrazino[2,1-a]isoquinoline, C15H16N4O
  32. The crystal structure of 1-propyl-2-nitro-imidazole oxide, C6H9N3O3
  33. The crystal structure of 3-nitrobenzene-1,2-dicarboxylic acid–2-ethoxybenzamide (1/1), C17H16N2O8
  34. The structure of RUB-1, (C8H16N)6[B6Si48O108], a boron containing levyne-type zeolite, occluding N-methyl-quinuclidinium in the cage-like pores
  35. The crystal structure of diaqua-(naphthalene-4,5-dicarboxylate-1,8-dicarboxylic anhydride-κ1O)-(4′-(4-(1H-benzimidazolyl-1-yl)phenyl)-2,2′:6′,2″-terpyridine-κ3N,N′,N″)–manganese(II) dihydrate, C42H27MnN5O9·2H2O
  36. Crystal structure of 6,6′-((1E,1′E)-hydrazine-1,2-diylidenebis(methanylylidene))bis (3-(3-bromopropoxy)phenol), C20H22Br2N2O4
  37. The crystal structure of 3-(2-hydroxyphenyl)-4-phenyl-6-(p-tolyl)-2H-pyran-2-one, C24H18O3
  38. Crystal structure of bis(μ2-2-(1,5-dimethyl–3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)imino)methyl)phenolato-κ4O:O,N,O′)-(nitrato-κ2O,O′)dicobalt(II), C36H32Co2N8O4
  39. Synthesis and crystal structure of (3E,5S,10S,13S,14S,17Z)-17-ethylidene-10,13-dimethylhexadecahydro-3H-cyclopenta[α] phenanthren-3-one O-(4-fluorobenzoyl) oxime, C28H36FNO2
  40. The crystal structure of 4-aminiumbiphenyl benzenesulfonate, C18H17NO3S
  41. Synthesis and crystal structure of 1-(7-hydroxy-3-(4-hydroxy-3-nitrophenyl)-4-oxo-4H-chromen-8-yl)-N,N-dimethylmethanaminiumnitrate, C18H17N3O9
  42. Crystal structure of N-(Ar)-N′-(Ar′)-formamidine, C14H12Br2N2O
  43. The crystal structure of 4-(2,4-dichlorophenyl)-2-(4-fluorophenyl)-5-methyl-1H-imidazole, C16H11Cl2FN2
  44. Crystal structure of 1-(4–chlorophenyl)-4-benzoyl-3-methyl-1H-pyrazol-5-ol, C17H13ClN2O2
  45. The crystal structure of 5-amino-1-methyl-4-nitroimidazole, C4H6O2N4
  46. Crystal structure of 1,3-diisopropyl-4,5-dimethylimidazol-2-ylidene-N,N′-bis(1,3-bis(2,6-diisopropylphenyl)-1,3-dihydro-2H-1,3,2-diazaborol-2-yl)-l2-germenediamine, C63H94B2GeN8
  47. The crystal structure of (bromido, chlorido)-tricarbonyl-(5,5′-dimethyl-2,2′-bipyridine)-rhenium(I), C15H12Br0.2Cl0.8N2O3Re1
  48. Crystal structure of [N(E),N′(E)]-N,N′-(1,4-phenylenedimethylidyne)bis-3,5-bis(propan-2-yl)-1H-pyrazol-4-amine, C26H36N6
  49. The crystal structure of poly[2-(4-carboxypyridin-3-yl)terephthalpoly[diaqua-(μ4-2-(6-carboxylatopyridin-3-yl)terephthalato-κ5O,N:O′:O″,O‴)]) cadmium(II)] dihydrate, C28H20Cd3N2O16
  50. Crystal structure of [tetraaqua-bis((3-carboxy-5-(pyridin-4-yl)benzoate-κ1N)cobalt(II)] tetrahydrate, C26H32CoN2O16
  51. Crystal structure of bis(μ2-azido-κ2N:N)-tetrakis(azido-κ1N)-tetrakis(1,10-phenanthroline-κ2N,N′)dibismuth(III), C48H32N26Bi2
  52. Crystal structure of (Z)-N-(4-(4-(4-((4,5,6-trimethoxy-3-oxobenzofuran-2(3H)-ylidene)methyl)phenoxy)butoxy)phenyl)acetamide, C30H31NO8
  53. Crystal structure of poly[diaqua-(μ2-1,3-di(1H-imidazol-1-yl)propane-κ2N:N′)-bis(μ2-5-carboxybenzene-1,3-dicarboxylato-O,O′:O″)-aqua-di-zinc dihydrate solvate], C27H28N4O16Zn2
  54. Crystal structure of 2-(3,5,5-trimethylcyclohex-2-en-1-ylidene)malononitrile, C12H14N2
  55. Crystal structure of chlorido-(5-nitro-2-phenylpyridine-κ2N,C)-[(methylsulfinyl)methane-κ1S]platinum(II), C13H13ClN2O3PtS
  56. The crystal structure of the co-crystal 1,4-dioxane–4,6-bis(nitroimino)-1,3,5-triazinan-2-one(2/1), C11H19N7O9
  57. Crystal structure of [N(E),N′(E)]-N,N′-(1,4-phenylenedimethylidyne)bis-3,5-dimethyl-1H-pyrazol-4-amine di-methanol solvate, C18H20N6·2(CH3OH)
  58. Crystal structure of catena-poly[bis(μ2-azido-k2N:N′)-(nitrato-K2N:N′)-bis(1,10-phenanthroline-K2N:N′)samarium(III)], C24H16N11O3Sm
  59. Crystal structure of (Z)-2-(4-((5-bromopentyl)oxy)benzylidene)-4,5,6-trimethoxybenzofuran-3(2H)-one, C23H25BrO6
  60. Crystal structure of bis(3,5-dimethyl-1H-pyrazol-4-ammonium) tetrafluoroterephthate, 2[C5H10N3][C8F4O4]
  61. Crystal structure of 2-amino-4-(2-fluoro-4-(trifluoromethyl)phenyl)-9-methoxy-1,4,5,6-tetrahydrobenzo[h]quinazolin-3-ium chloride, C20H18ClF4N3O
  62. Crystal structure of 6-(pyridin-3-yl)-1,3,5-triazine-2,4-diamine-sebacic acid (2/1), C13H17N6O2
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