Home The crystal structure of 8-methoxy-2,2-diphenyl-tosyl-1,2-dihydro-2λ4,3λ4-[1,3,2]diazaborolo[4,5,1-ig]quinoline, C29H25BN2O3S
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The crystal structure of 8-methoxy-2,2-diphenyl-tosyl-1,2-dihydro-2λ4,3λ4-[1,3,2]diazaborolo[4,5,1-ig]quinoline, C29H25BN2O3S

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Published/Copyright: November 8, 2023
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Zeitschrift für Kristallographie - New Crystal Structures
From the journal Zeitschrift für Kristallographie - New Crystal Structures Volume 239 Issue 1

Abstract

C29H25BN2O3S, monoclinic, P21/c (no. 14), a = 14.4345(6) Å, b = 9.7073(5) Å, c = 18.3873(8) Å, β = 107.766°, V = 2453.56(19) Å3, Z = 4, Rgt(F) = 0.0587, wRref(F2) = 0.1592, T = 193 K.

CCDC no.: 2260773

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: Colourless block
Size: 0.20 × 0.15 × 0.14 mm
Wavelength: MoKα radiation (0.71073 Å)
μ: 0.17 mm−1
Diffractometer, scan mode: Bruker APEX-II, φ and ω
θmax, completeness: 29.9°, 99 %
N(hkl)measured, N(hkl)unique, Rint: 26,032, 7065, 0.076
Criterion for Iobs, N(hkl)gt: Iobs > 2σ(Iobs), 5174
N(param)refined: 327
Programs: Bruker [1], Shelx [2, 4, 5], Olex2 [3]
Table 2:

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

Atom x y z Uiso*/Ueq
S1 0.25565 (3) 0.88064 (5) 0.56661 (3) 0.02659 (12)
O1 0.18385 (10) 0.85533 (16) 0.49422 (8) 0.0343 (3)
O2 0.11524 (12) 0.36235 (16) 0.48890 (8) 0.0438 (4)
O3 0.26754 (10) 1.01731 (14) 0.59740 (8) 0.0337 (3)
N1 0.22866 (10) 0.67298 (17) 0.74577 (8) 0.0257 (3)
N2 0.23168 (11) 0.78332 (16) 0.63043 (8) 0.0264 (3)
C1 0.20195 (12) 0.5838 (2) 0.68620 (10) 0.0252 (4)
C2 0.16825 (15) 0.9725 (2) 0.80142 (12) 0.0360 (4)
H2 0.219312 0.942358 0.844619 0.043*
C3 0.54709 (15) 0.7575 (2) 0.53841 (12) 0.0366 (5)
C4 0.20066 (13) 0.64640 (19) 0.61619 (10) 0.0267 (4)
C5 0.02071 (14) 1.0667 (2) 0.67797 (13) 0.0377 (5)
H5 −0.029726 1.099224 0.635027 0.045*
C6 0.36110 (13) 0.8641 (2) 0.76375 (10) 0.0276 (4)
C7 0.64428 (16) 0.7189 (3) 0.52936 (15) 0.0502 (6)
H7A 0.638489 0.630615 0.502523 0.075*
H7B 0.692673 0.710828 0.579852 0.075*
H7C 0.664762 0.790316 0.499827 0.075*
C8 0.36856 (13) 0.8293 (2) 0.55706 (10) 0.0281 (4)
C9 0.14494 (15) 0.4274 (2) 0.55769 (11) 0.0323 (4)
C10 0.16765 (13) 0.9288 (2) 0.72878 (11) 0.0281 (4)
C11 0.55795 (15) 0.9286 (2) 0.83610 (12) 0.0374 (5)
H11 0.624416 0.950915 0.859876 0.045*
C12 0.17854 (13) 0.4456 (2) 0.69296 (11) 0.0283 (4)
C13 0.08016 (19) 0.2237 (2) 0.48676 (14) 0.0473 (6)
H13A 0.061148 0.189698 0.434080 0.071*
H13B 0.023690 0.221780 0.505755 0.071*
H13C 0.131659 0.164947 0.518982 0.071*
C14 0.09128 (13) 0.9784 (2) 0.66746 (11) 0.0319 (4)
H14 0.087598 0.950794 0.617082 0.038*
C15 0.21256 (13) 0.4926 (2) 0.82749 (11) 0.0318 (4)
H15 0.216591 0.462716 0.877563 0.038*
C16 0.18560 (14) 0.4007 (2) 0.76779 (11) 0.0326 (4)
H16 0.171794 0.307596 0.776674 0.039*
C17 0.46201 (15) 0.6924 (2) 0.49596 (11) 0.0348 (4)
H17 0.464798 0.623441 0.460040 0.042*
C18 0.43366 (13) 0.7625 (2) 0.78185 (11) 0.0327 (4)
H18 0.415589 0.669227 0.769582 0.039*
C19 0.45249 (15) 0.8952 (2) 0.60006 (13) 0.0375 (5)
H19 0.449588 0.964189 0.635964 0.045*
C20 0.37326 (14) 0.7268 (2) 0.50531 (10) 0.0308 (4)
H20 0.315740 0.680550 0.476530 0.037*
C21 0.02359 (15) 1.1073 (2) 0.75067 (13) 0.0399 (5)
H21 −0.024273 1.168366 0.757947 0.048*
C22 0.17028 (14) 0.5672 (2) 0.55136 (11) 0.0298 (4)
H22 0.166271 0.605489 0.502935 0.036*
C23 0.54064 (15) 0.8594 (3) 0.59010 (14) 0.0423 (5)
H23 0.598123 0.905393 0.619162 0.051*
C24 0.39133 (15) 0.9992 (2) 0.78451 (11) 0.0323 (4)
H24 0.344414 1.071054 0.773699 0.039*
C25 0.53079 (14) 0.7935 (2) 0.81701 (12) 0.0379 (5)
H25 0.578339 0.722455 0.827920 0.045*
C26 0.48829 (15) 1.0308 (2) 0.82053 (11) 0.0364 (5)
H26 0.506773 1.123328 0.834543 0.044*
C27 0.09685 (16) 1.0582 (2) 0.81259 (13) 0.0399 (5)
H27 0.098382 1.083188 0.862907 0.048*
C28 0.14961 (15) 0.3649 (2) 0.62579 (11) 0.0338 (4)
H28 0.133868 0.270198 0.627685 0.041*
C29 0.23401 (13) 0.6289 (2) 0.81538 (11) 0.0299 (4)
H29 0.252643 0.690964 0.857264 0.036*
B1 0.24958 (15) 0.8251 (2) 0.71844 (12) 0.0262 (4)

1 Source of materials

The title complex was synthesized from a mixture of 6-methoxyl-quinolin-8-amine, 4-methylbenzenesulfonyl chloride and potassium trifluoro(phenyl)-λ4-borane suspended in MeCN under air atmosphere at 130 °C for 24 h. Ater the completion of this reaction, the resulting residue was adsorbed onto silica gel by rotary evaporation of a DCM solution, loaded directly onto a silica gel column, and purified by rotary evaporation by eluting first with EtOAc:PE 1:5 to get the target product as yellow solid. Crystals of this target product formed and were obtained in a mixed system of n-hexane and dichloromethane (DCM as the good solvent and n-hexane as the poor solvent).

2 Experimental details

All the H atoms on the benzene rings were placed geometrically and refined without any constraints or restraints.

3 Comment

Four-coordinated organoboron complexes have been widely used as organic fluorescent materials, but the synthesis of N,N-chelated B,B-diaryl tetra-coordinated boron complexes is greatly limited due to the use of organometallic reagents which are extremely sensitive to air and water. A one-pot three-component synthetic strategy of N,N-chelated-B,B-diaryl tetra-coordinated boron complexes is reported. 8-Aminoquinoline is used as the precursor of N,N-chelated ligands, and potassium aryltrifluoroborates (ArBF3K), which are chemically stable and available in the market, are used as the source of diaryl groups on the boron centers. A series of these compounds are obtained in moderate to excellent yields. This reaction route has good substrate applicability and functional group compatibility, which provides a convenient and efficient reaction route for the synthesis of diarylboron complexes. The compound mentioned in this article was synthesized through this route in an excellent yield.

The integration of diffraction data and intensity corrections for the Lorentz and polarization effects were performed by using Saint program. Semi-empirical absorption corrections were applied using Sadabs program. All the hydrogen atoms were introduced at the calculated positions.

The asymmetric unit contains one title molecule. As exhibited in Figure, the central boron atom B1 is connected to two nitrogen atoms (N1, N2) from the quinoline unit and two carbon atoms (C6, C10) from two different benzene units to form a typical tetrahedral geometry. The B–N and B–C bond lengths range from 1.608(3) to 1.618(3) Å and the C/N–B–C/N bond angles are in the range of 95.42(13)°–116.42(16)°, which are comparable to some previously reported boron-containing compounds [5], [6], [7], [8], [9]. Due to the tetrahedral geometry of central B atom, the dihedral angles among the two benzene rings connected to the B atom and the quinoline unit are 64.50°, 68.44° and 75.98°, respectively. Moreover, the presence of the sulfanilamide group causes the methylbenzene unit closely perpendicular to the quinoline unit with the dihedral angles of 78.63° and the C–H⋯π interactions between the methylbenzene unit and one of the benzene rings leads to their dihedral angle of as low as 39.34°. In addition, the molecules are assembled by the intermolecular π⋯π and C–H⋯π interactions among the quinoline units, benzene rings and methylbenzene units and C–H⋯O hydrogen bonds between the sulfanilamide oxygen atom and the methoxy group into two-dimensional (2D) supramolecular layers, which are further joined together by the C–H⋯π interactions between the benzene rings and the methylbenzene units to form the final three-dimensional (3D) supramolecular structure.

Corresponding author: Siyi Ding, Technological Institute of Materials & Energy Science (TIMES), Xi’an Key Laboratory of Advanced Photo-Electronics Materials and Energy Conversion Device, School of Electronic Information, Xijing University, Xi’an 710123, Shaanxi Province, P.R. China, E-mail:

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

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

  3. Research funding: This project was funded by Xijing University Special Fund for Talent Research in Special Zone (XJ22T03).

References

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Received: 2023-09-04
Accepted: 2023-10-25
Published Online: 2023-11-08
Published in Print: 2024-02-26

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

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

Articles in the same Issue

  1. Frontmatter
  2. New Crystal Structures
  3. Crystal structure of poly[diaqua-(μ4-3,3′-di(1H-1,2,4-triazol-1-yl)-[1,1′-biphenyl]-4,4′-dicarboxylate-N:N′:O:O′)cadmium(II)], C18H14N6O6Cd
  4. Crystal structure of (8R,8′S,13S,13′R)-8,8′-bis(hydroxymethyl)-9,9′,10,10′-tetramethoxy-5,5′,6,6′,8,8′,13,13′-octahydro-[13,13′-bi[1,3]dioxolo[4,5-g]isoquinolino[3,2-a]isoquinoline]-7,7′-diium chloride-methanol (1/2), C46H58N2O14Cl2
  5. The crystal structure of 8-methoxy-2,2-diphenyl-tosyl-1,2-dihydro-2λ4,3λ4-[1,3,2]diazaborolo[4,5,1-ig]quinoline, C29H25BN2O3S
  6. Crystal structure of aqua-(5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane-κ4N,N′,N″,N‴)copper(II) 5-carboxyisophthalate tetrahydrate, C25H50N4CuO11
  7. The crystal structure of 1-(naphthalen-2-ylsulfonyl)-2,2-diphenyl-1,2-dihydro-2λ4,3λ4-[1,3,2]diazaborolo[4,5,1-ij]quinoline, C31H23BN2O2S
  8. Crystal structure of iodido-(η6-benzene) (1-(pyridin-2-yl)-N-(p-fluoro-methanamine)-κ2N,Nʹ)ruthenium(II) hexaflourophosphate, (C18H15F7IN2RuP)
  9. The crystal structure of 1-(3-oxo-1-phenyl-3-(p-tolyl) propylidene)-1,3-dihydro-2H-inden-2-one, C25H20O2
  10. Crystal structure of tricyclohexyl[4-(4H-1,2,4-triazol-4-yl)-benzoato-κO]tin(IV), C27H39N3O2Sn
  11. Crystal structure of [triaqua-(8-carboxymethoxy-quinoline-2-carboxylate-κ4N,O,O,O)cadmium(II)]monohydrate, C12H15NO9Cd
  12. Crystal structure of ethyl 2-((4-(3,5-dimethylisoxazol-4-yl)-2,6-difluorophenyl)amino)benzoate, C20H18F2N2O3
  13. The crystal structure of 2-(hydroxymethyl)-2-(4H-1,2,4-triazol-4-yl)propane-1,3-diol, C6H11N3O3
  14. The crystal structure of 1,2-bis(2,4-dinitrophenyl) hydrazine, C12H8N6O8
  15. Crystal structure of 1-(2,6-dichloro-4-(3,5-dimethylisoxazol-4-yl)phenyl)-1,2-dihydro-4H-benzo[d][1,3]oxazin-4-one, C19H14Cl2N2O3
  16. The crystal structure of 5-amino-5-oxo-4-(1-oxo-4-(2-oxopyrrolidin-1-yl)isoindolin-2-yl)pentanoic acid, C17H19N3O5
  17. Crystal structure of N2,N6-bis(2-(((Z)-5-bromo-2-hydroxybenzylidene)amino) phenyl)pyridine-2,6-dicarboxamide, C33H23Br2N5O4
  18. The crystal structure of (E)-2-methoxy-6-(((5-methyl-1,3,4-thiadiazol-2-yl)imino)methyl)phenol, C11H11N3O2S
  19. The crystal structure of 3-((tert-butyldiphenylsilyl)methyl)-5,5-diphenyl-6-(p-tolyl) tetrahydro-2H-pyran-2-one, C41H42O2Si
  20. Crystal structure of 9-fluoro-4-(6-methoxypyridin-3-yl)-5,6-dihydrobenzo[h]quinazolin-2-amine, C18H15FN4O
  21. The crystal structure of 2-bromo-5-(4-cyanophenoxy)benzyl 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylate, C21H19BrN2O3
  22. Crystal structure of 3,3′-(1,4-phenylenebis(methylene))bis(1-isopropyl-1H-imidazol-3-ium) bis(hexafluorophosphate(V)), C10H14F6N2P
  23. The crystal structure of 2,2-di(thiophen-3-yl)-1-tosyl-1,2-dihydro-2λ4,3λ4-[1,3,2]diazaborolo[4,5,1-ig]quinoline, C24H19BN2O2S3
  24. Crystal structure of 5-bromo-1-(2-iodobenzoyl)-1H-indole-3-carbaldehyde, C16H9BrINO2
  25. The crystal structure of monocarbonyl-2-carboxypyridinato-κ2N,O-triphenylphosphine-rhodium(I) acetonitrile solvate, C26H20.50N1.50O3PRh
  26. Crystal structure of dichlorido-tetrakis(1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pent-1-en-3-ol-κ1N)manganese(II), C60H68O4N12Cl10Mn
  27. Crystal structure of 3-(tert-butyldiphenylsilyl)-1-(2,6-dichlorophenyl)-2,2-diphenylpropan-1-ol, C37H36Cl2OSi
  28. Crystal structure of langite from Mine du Pradet (France)
  29. The crystal structure of 5′-(furan-2-yl)-3′-((4-methylphenyl)sulfonamido)-3′,4′,5′,6′-tetrahydro-[1,1′:3′,1″-terphenyl]-4′-carboxylic acid, C30H27NO5S
  30. Synthesis and crystal structure of bis{2-(((4-acetophenone)imino)methyl)-4-fluorophenolato-κ2N,O}zinc(II), C30H22F2N2O4Zn
  31. The crystal structure of poly[(tripyridine-κ3N,N′,N″) μ3-(pyridine-3,4-dicarboxylate-κ3N:O:O′) manganese(II)], C22H22N4O8Mn
  32. The crystal structure of (E)-4-chloro-N′-(1-(4-hydroxyphenyl)propylidene)benzohydrazide, C16H15ClN2O2
  33. Synthesis and crystal structure of bis{2-(tert-butyl)-6-((E)-((4-((E)-1-(methoxyimino) ethyl)phenyl)imino)methyl)phenolato-κ2N,O}cobalt(II), C40H46CoN4O4
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  35. (6R,7S)-2,3,13-trimethoxy-6,7-dimethyl-5,6,7,8-tetrahydrobenzo[3′,4′]cycloocta [1′,2′:4,5]benzo[1,2-d][1,3]dioxol-1-ol, C22H26O6
  36. Crystal structure of 2-((2,6-dichloro-4-(3,5-dimethylisoxazol-4-yl)phenyl)amino)benzoic acid, C18H14Cl2N2O3
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https://doi.org/10.1515/ncrs-2023-0395
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Articles in the same Issue

  1. Frontmatter
  2. New Crystal Structures
  3. Crystal structure of poly[diaqua-(μ4-3,3′-di(1H-1,2,4-triazol-1-yl)-[1,1′-biphenyl]-4,4′-dicarboxylate-N:N′:O:O′)cadmium(II)], C18H14N6O6Cd
  4. Crystal structure of (8R,8′S,13S,13′R)-8,8′-bis(hydroxymethyl)-9,9′,10,10′-tetramethoxy-5,5′,6,6′,8,8′,13,13′-octahydro-[13,13′-bi[1,3]dioxolo[4,5-g]isoquinolino[3,2-a]isoquinoline]-7,7′-diium chloride-methanol (1/2), C46H58N2O14Cl2
  5. The crystal structure of 8-methoxy-2,2-diphenyl-tosyl-1,2-dihydro-2λ4,3λ4-[1,3,2]diazaborolo[4,5,1-ig]quinoline, C29H25BN2O3S
  6. Crystal structure of aqua-(5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane-κ4N,N′,N″,N‴)copper(II) 5-carboxyisophthalate tetrahydrate, C25H50N4CuO11
  7. The crystal structure of 1-(naphthalen-2-ylsulfonyl)-2,2-diphenyl-1,2-dihydro-2λ4,3λ4-[1,3,2]diazaborolo[4,5,1-ij]quinoline, C31H23BN2O2S
  8. Crystal structure of iodido-(η6-benzene) (1-(pyridin-2-yl)-N-(p-fluoro-methanamine)-κ2N,Nʹ)ruthenium(II) hexaflourophosphate, (C18H15F7IN2RuP)
  9. The crystal structure of 1-(3-oxo-1-phenyl-3-(p-tolyl) propylidene)-1,3-dihydro-2H-inden-2-one, C25H20O2
  10. Crystal structure of tricyclohexyl[4-(4H-1,2,4-triazol-4-yl)-benzoato-κO]tin(IV), C27H39N3O2Sn
  11. Crystal structure of [triaqua-(8-carboxymethoxy-quinoline-2-carboxylate-κ4N,O,O,O)cadmium(II)]monohydrate, C12H15NO9Cd
  12. Crystal structure of ethyl 2-((4-(3,5-dimethylisoxazol-4-yl)-2,6-difluorophenyl)amino)benzoate, C20H18F2N2O3
  13. The crystal structure of 2-(hydroxymethyl)-2-(4H-1,2,4-triazol-4-yl)propane-1,3-diol, C6H11N3O3
  14. The crystal structure of 1,2-bis(2,4-dinitrophenyl) hydrazine, C12H8N6O8
  15. Crystal structure of 1-(2,6-dichloro-4-(3,5-dimethylisoxazol-4-yl)phenyl)-1,2-dihydro-4H-benzo[d][1,3]oxazin-4-one, C19H14Cl2N2O3
  16. The crystal structure of 5-amino-5-oxo-4-(1-oxo-4-(2-oxopyrrolidin-1-yl)isoindolin-2-yl)pentanoic acid, C17H19N3O5
  17. Crystal structure of N2,N6-bis(2-(((Z)-5-bromo-2-hydroxybenzylidene)amino) phenyl)pyridine-2,6-dicarboxamide, C33H23Br2N5O4
  18. The crystal structure of (E)-2-methoxy-6-(((5-methyl-1,3,4-thiadiazol-2-yl)imino)methyl)phenol, C11H11N3O2S
  19. The crystal structure of 3-((tert-butyldiphenylsilyl)methyl)-5,5-diphenyl-6-(p-tolyl) tetrahydro-2H-pyran-2-one, C41H42O2Si
  20. Crystal structure of 9-fluoro-4-(6-methoxypyridin-3-yl)-5,6-dihydrobenzo[h]quinazolin-2-amine, C18H15FN4O
  21. The crystal structure of 2-bromo-5-(4-cyanophenoxy)benzyl 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylate, C21H19BrN2O3
  22. Crystal structure of 3,3′-(1,4-phenylenebis(methylene))bis(1-isopropyl-1H-imidazol-3-ium) bis(hexafluorophosphate(V)), C10H14F6N2P
  23. The crystal structure of 2,2-di(thiophen-3-yl)-1-tosyl-1,2-dihydro-2λ4,3λ4-[1,3,2]diazaborolo[4,5,1-ig]quinoline, C24H19BN2O2S3
  24. Crystal structure of 5-bromo-1-(2-iodobenzoyl)-1H-indole-3-carbaldehyde, C16H9BrINO2
  25. The crystal structure of monocarbonyl-2-carboxypyridinato-κ2N,O-triphenylphosphine-rhodium(I) acetonitrile solvate, C26H20.50N1.50O3PRh
  26. Crystal structure of dichlorido-tetrakis(1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pent-1-en-3-ol-κ1N)manganese(II), C60H68O4N12Cl10Mn
  27. Crystal structure of 3-(tert-butyldiphenylsilyl)-1-(2,6-dichlorophenyl)-2,2-diphenylpropan-1-ol, C37H36Cl2OSi
  28. Crystal structure of langite from Mine du Pradet (France)
  29. The crystal structure of 5′-(furan-2-yl)-3′-((4-methylphenyl)sulfonamido)-3′,4′,5′,6′-tetrahydro-[1,1′:3′,1″-terphenyl]-4′-carboxylic acid, C30H27NO5S
  30. Synthesis and crystal structure of bis{2-(((4-acetophenone)imino)methyl)-4-fluorophenolato-κ2N,O}zinc(II), C30H22F2N2O4Zn
  31. The crystal structure of poly[(tripyridine-κ3N,N′,N″) μ3-(pyridine-3,4-dicarboxylate-κ3N:O:O′) manganese(II)], C22H22N4O8Mn
  32. The crystal structure of (E)-4-chloro-N′-(1-(4-hydroxyphenyl)propylidene)benzohydrazide, C16H15ClN2O2
  33. Synthesis and crystal structure of bis{2-(tert-butyl)-6-((E)-((4-((E)-1-(methoxyimino) ethyl)phenyl)imino)methyl)phenolato-κ2N,O}cobalt(II), C40H46CoN4O4
  34. Crystal structure of tetraaqua-[(1-(carboxymethyl)-1H-pyrazole-3-carboxylato-κ2N,O)cobalt(II)], C6H12CoN2O8
  35. (6R,7S)-2,3,13-trimethoxy-6,7-dimethyl-5,6,7,8-tetrahydrobenzo[3′,4′]cycloocta [1′,2′:4,5]benzo[1,2-d][1,3]dioxol-1-ol, C22H26O6
  36. Crystal structure of 2-((2,6-dichloro-4-(3,5-dimethylisoxazol-4-yl)phenyl)amino)benzoic acid, C18H14Cl2N2O3
  37. Crystal structure of (5aS,6aS,8aR,9R,11aS, 11bS,13R,13aS)-1,1,8a,11a-tetramethyl-9-((S)-1-((S)-5-methyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)ethyl)-3-oxo-1,7,8,8a,9,10,11,11a,11b,12,13,13a-dodecahydro-3H,6H-cyclopenta[5,6]cyclopropa[1,8a]naphtho[2,1-c]oxepin-13-yl acetate, C32H44O6
  38. Crystal structure of catena-poly[triaqua-(μ2-1-(4-carboxylatophenyl)-4-oxo-1,4-dihydropyridazine-3-carboxylato-O,O′:O″)cobalt(II)], C12H12N2O8Co
  39. Crystal structure of 3-[(furan-2-ylmethyl)-amino]-2-(2,3,4,5-tetrafluoro-benzoyl)-acrylic acid ethyl ester, C17H13F4NO4
  40. Crystal structure of methyl 4-(2-ethoxy-2-oxoethoxy)-3-methoxybenzoate, C13H16O6
  41. Crystal structure of 4-bromo-2-(4-chlorophenyl)-1-methyl-5-(trifluoromethyl)-1H-pyrrole-3-carbonitrile, C13H7BrClF3N2
  42. The crystal structure of triaqua-(8-carboxymethoxy-quinoline-2-carboxylate-κ3N,O,O)nickel(II) monohydrate, C12H15NO9Ni
  43. Crystal structure of dihydroxy(2,4,6-triisopro-pylphenyl)telluronium trifluoromethanesulfonate, C16H25F3O5STe
  44. The crystal structure of 1-(carboxymethyl)-1H-imidazole 3-oxide
  45. The crystal structure of 1,3,5-tris(dibromomethyl)benzene, C9H6Br6
  46. Crystal structure of (Z)-3-(4-methoxyphenyl)-4-(5-methyl-1-phenyl-1H-1,2,3-triazol-4-yl)-N-phenylthiazol-2(3H)-imine, C25H21N5OS
  47. Crystal structure of (Z)-3-(3-(4-hydroxyphenyl)-2-(phenylimino)-2,3-dihydrothiazol-4-yl)-2H-chromen-2-one, C24H16N2O3S
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