Home Physical Sciences Crystal structure of diethyl 1,9-bis(4-fluorophenyl)-4,6-diphenylhexahydro-3H-2,7,3,5-(epimethanetriyliminomethanetriyl)cyclopenta [b]pyridine-3,7(2H)-dicarboxylate, C40H36F2N2O4
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Crystal structure of diethyl 1,9-bis(4-fluorophenyl)-4,6-diphenylhexahydro-3H-2,7,3,5-(epimethanetriyliminomethanetriyl)cyclopenta [b]pyridine-3,7(2H)-dicarboxylate, C40H36F2N2O4

  • Zi-Ang Zhang , Jun-Xiang Li , Sen-Bao Lu and Peng Li ORCID logo EMAIL logo
Published/Copyright: October 11, 2023
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Zeitschrift für Kristallographie - New Crystal Structures
From the journal Zeitschrift für Kristallographie - New Crystal Structures Volume 238 Issue 6

Abstract

C40H36F2N2O4, monoclinic, P21/c (no. 14), a = 9.8180(16) Å, b = 19.355(3) Å, c = 17.930(3) Å, β = 102.353(3)°, V = 3328.3(9) Å3, Z = 4, Rgt(F) = 0.0564, wRref(F2) = 0.1866, T = 296(2) K.

CCDC no.: 2289448

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: 0.18 × 0.16 × 0.15 mm
Wavelength: Mo Kα radiation (0.71073 Å)
μ: 0.09 mm−1
Diffractometer, scan mode: Bruker APEX-II, φ and ω
θmax, completeness: 27.5°, >99 %
N(hkl)measured, N(hkl)unique, Rint: 20,489, 7585, 0.034
Criterion for Iobs, N(hkl)gt: Iobs > 2σ(Iobs), 4295
N(param)refined: 473
Programs: Bruker [1], SHELX [2,3]
Table 2:

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

Atom x y z Uiso*/Ueq
F1 0.6963 (2) 0.97589 (9) 0.47231 (12) 0.1322 (7)
C1 0.6467 (2) 0.49669 (13) 0.19420 (14) 0.0768 (7)
H1 0.562781 0.474591 0.194619 0.092*
O1 0.22769 (16) 0.61826 (10) 0.14321 (8) 0.0840 (5)
O2 0.41076 (18) 0.68466 (10) 0.13638 (9) 0.0828 (5)
F2 0.93853 (17) 0.47412 (9) 0.10501 (10) 0.1121 (6)
C2 0.7306 (3) 0.47082 (15) 0.14912 (16) 0.0869 (8)
H2 0.702761 0.432216 0.118800 0.104*
O3 0.68921 (16) 0.64025 (9) 0.54550 (8) 0.0784 (5)
C3 0.8522 (3) 0.50090 (15) 0.14866 (14) 0.0770 (7)
N1 0.46538 (16) 0.72575 (8) 0.36222 (8) 0.0477 (4)
N2 0.59973 (16) 0.57907 (9) 0.28714 (9) 0.0540 (4)
O4 0.82344 (16) 0.67755 (9) 0.46835 (8) 0.0726 (5)
C4 0.8935 (3) 0.55757 (17) 0.19074 (17) 0.0977 (10)
H4 0.978888 0.578119 0.190126 0.117*
C5 0.8071 (3) 0.58497 (15) 0.23509 (15) 0.0846 (8)
H5 0.834204 0.625064 0.262903 0.102*
C6 0.6825 (2) 0.55447 (10) 0.23906 (11) 0.0502 (5)
C7 0.6023 (3) 0.42589 (13) 0.40095 (15) 0.0741 (7)
H7 0.506494 0.419474 0.385721 0.089*
C8 0.6885 (3) 0.36920 (13) 0.40570 (16) 0.0830 (7)
H8 0.649528 0.325738 0.393760 0.100*
C9 0.8263 (3) 0.37527 (14) 0.42702 (18) 0.0897 (8)
H9 0.889780 0.345286 0.412287 0.108*
C17 0.4186 (2) 0.55270 (11) 0.35957 (12) 0.0532 (5)
H17 0.362804 0.510689 0.359300 0.064*
C16 0.3433 (2) 0.61699 (10) 0.37881 (11) 0.0510 (5)
H16 0.281579 0.606945 0.413771 0.061*
C15 0.46274 (19) 0.66781 (10) 0.41420 (11) 0.0477 (5)
H15 0.456343 0.683123 0.465440 0.057*
C14 0.60060 (19) 0.62616 (10) 0.41450 (10) 0.0472 (5)
C13 0.5535 (2) 0.55083 (10) 0.42098 (12) 0.0538 (5)
H13 0.525529 0.547136 0.470127 0.065*
C20 0.5046 (2) 0.69105 (10) 0.29770 (11) 0.0491 (5)
H20 0.530858 0.723768 0.261509 0.059*
C19 0.3840 (2) 0.64179 (11) 0.25869 (11) 0.0511 (5)
C18 0.45101 (19) 0.56865 (11) 0.27905 (11) 0.0523 (5)
H18 0.413455 0.533521 0.240800 0.063*
C21 0.6262 (2) 0.64104 (10) 0.33267 (11) 0.0489 (5)
H21 0.718442 0.660852 0.333591 0.059*
C22 0.1754 (2) 0.70690 (12) 0.30082 (11) 0.0542 (5)
C12 0.6522 (2) 0.49109 (11) 0.41773 (12) 0.0573 (5)
C26 0.1030 (3) 0.82274 (14) 0.25998 (14) 0.0767 (7)
H26 0.113357 0.861676 0.231320 0.092*
C25 0.0051 (3) 0.82207 (14) 0.30448 (15) 0.0766 (7)
H25 −0.051169 0.860493 0.306016 0.092*
C24 −0.0093 (2) 0.76401 (14) 0.34690 (14) 0.0714 (7)
H24 −0.076096 0.763119 0.376693 0.086*
C23 0.0748 (2) 0.70753 (13) 0.34516 (12) 0.0615 (6)
H23 0.064398 0.668860 0.374222 0.074*
C27 0.1860 (2) 0.76533 (13) 0.25795 (12) 0.0650 (6)
H27 0.250714 0.766017 0.226917 0.078*
C32 0.6160 (2) 0.82532 (11) 0.35302 (13) 0.0594 (6)
H32 0.636321 0.807797 0.308344 0.071*
C31 0.6716 (3) 0.88846 (12) 0.38108 (15) 0.0729 (7)
H31 0.728432 0.913232 0.355312 0.087*
C30 0.6425 (3) 0.91342 (12) 0.44591 (16) 0.0773 (7)
C29 0.5599 (3) 0.87847 (13) 0.48522 (15) 0.0797 (7)
H29 0.542306 0.896424 0.530331 0.096*
C28 0.5035 (2) 0.81682 (12) 0.45754 (12) 0.0640 (6)
H28 0.445575 0.793381 0.483801 0.077*
C37 0.3442 (2) 0.65226 (12) 0.17306 (12) 0.0594 (6)
C36 0.7391 (4) 0.7320 (2) 0.6354 (2) 0.171 (2)
H36A 0.804493 0.748746 0.679328 0.256*
H36B 0.649624 0.725914 0.647965 0.256*
H36C 0.731292 0.764866 0.594538 0.256*
C38Aa 0.1756 (9) 0.6113 (5) 0.0635 (4) 0.0664 (15)
H38Aa 0.128871 0.567260 0.051306 0.080*
H38Ba 0.249765 0.615422 0.035666 0.080*
C39Aa 0.0740 (12) 0.6708 (5) 0.0456 (4) 0.129 (3)
H39Aa 0.051118 0.678473 −0.008512 0.194*
H39Ba 0.115586 0.711697 0.070938 0.194*
H39Ca −0.009363 0.659859 0.063107 0.194*
C38Bb 0.1742 (13) 0.6432 (7) 0.0555 (6) 0.0665 (16)
H38Cb 0.188204 0.692503 0.051094 0.080*
H38Db 0.224898 0.619266 0.022386 0.080*
C39Bb 0.0296 (10) 0.6268 (9) 0.0350 (5) 0.114 (4)
H39Db −0.007007 0.640663 −0.016849 0.171*
H39Eb 0.017365 0.577878 0.039682 0.171*
H39Fb −0.019139 0.650733 0.068241 0.171*
C35 0.7862 (3) 0.66785 (16) 0.61212 (14) 0.0878 (9)
H35A 0.796102 0.635055 0.653840 0.105*
H35B 0.877080 0.674027 0.599958 0.105*
C11Bc 0.7794 (10) 0.4905 (5) 0.4714 (8) 0.075 (2)
H11Bc 0.806562 0.527787 0.503928 0.090*
C10Bc 0.8633 (10) 0.4324 (5) 0.4743 (8) 0.078 (2)
H10Bc 0.948072 0.431634 0.509432 0.094*
C10Ad 0.8846 (4) 0.4425 (2) 0.4297 (3) 0.0815 (14)
H10Ad 0.979747 0.448273 0.433165 0.098*
C11Ad 0.7983 (4) 0.4992 (2) 0.4271 (3) 0.0709 (13)
H11Ad 0.836696 0.543352 0.431570 0.085*
C34 0.7183 (2) 0.65120 (11) 0.47714 (11) 0.0506 (5)
C33 0.53043 (19) 0.78798 (10) 0.39067 (10) 0.0457 (5)
C40 0.2629 (2) 0.64276 (11) 0.30082 (11) 0.0526 (5)
H40 0.198989 0.605594 0.278819 0.063*

  1. aOccupancy: 0.584 (11), bOccupancy: 0.416 (11), cOccupancy: 0.300 (8), dOccupancy: 0.700 (8).

1 Source of material

A 100 mL round bottom flask was sequentially charged with 50 mL of 1,2-dichloroethane, 30 mmol of 4-fluoroaniline, 30 mmol of ethyl propionate, 30 mmol of cinnamaldehyde, 12 mmol of piperazine and 0.24 mmol of p-toluenesulfonic acid. The reaction mixture was slowly heated to reflux for 12 h. At the end of the reaction the mixture was cooled, to room temperature. Then 200 mL of water were slowly added, with ethyl acetate was extracted three times (3 × 100 mL), the organic layer was separated, and saturated aqueous sodium chloride was washed twice (2 × 100 mL), and the organic layers were combined. The organic layer was dried over anhydrous sodium sulfate, filtered, distilled under reduced pressure, and separated by silica gel column chromatography (ethyl acetate:petroleum ether = 1:50) to give 1, a white powdered solid. An amount of 1 g of 1 was added to the mixed solution of methanol/tetrahydrofuran, added to a 30 mL quartz tube, and irradiated by 410 nm UV light for 72 h. The product was separated by column chromatography, and the elution solvent was petroleum ether and ethyl acetate 20:1. Finally, the obtained solution was evaporated to dryness in vacuo and recrystallized from methanol and dichloromethane to obtain the title compound.

2 Experimental details

All hydrogen atoms were placed in the calculated positions and all the non-hydrogen atoms were refined anisotropically.

3 Comment

In recent years, cage compounds, as an important class of three-dimensional polyhedral structure compounds, have been a hot topic of research due to their wide applications in antitumor, immunity enhancement and antiviral [4,5]. Photochemical reactions have been widely used in various synthetic reactions [6, 7]. In particular, six-membered rings with symmetrical double bond structure are often used as raw materials for photoreaction. A cage compound (systematic name: diethyl 1,9-bis(4-fluorophenyl)-4,6-diphenylhexahydro-3H-2,7,3,5-(epimethanetriyliminomethanetriyl) cyclopenta[b]pyridine-3,7(2H)-dicarboxylate) of the title structure is shown in the figure. Stereochemically the compound is the product of common enantiometric forms. It can formally be considered as resulting from the attack of one dihydropyridine molecule on the far side of the dihydropyridine ring of the second molecule (i.e., the side that does not face the aryl moiety) [8,9].

In the molecules forming the title crystal structure, several important bond angle data are involved as follows: C18–N2–C6 = 126.95(19) Å, C33–N1–C20 = 120.12(18) Å, C16–C40–C22 = 116.5(2) Å. The bond lengths and angles are in the expected ranges [10,11].

Corresponding author: Peng Li, School of Pharmacy, North China University of Science and Technology, 063210 Caofeidian District, Tangshan, P.R. China, E-mail:

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

  2. Research funding: None declared.

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

References

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Received: 2023-08-31
Accepted: 2023-09-27
Published Online: 2023-10-11
Published in Print: 2023-12-15

© 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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  47. The crystal structure of (bis(benzimidazol-2-yl-methyl)amine-κ3N,N′,N″ )-(dihydrogen L-malate-κ2O,O ′)copper(II) perchlorate dihydrate, CuC20H24ClN5O12
  48. Crystal structure of (1E,1′E)-4,4′-(9,9-diethyl-9H-fluorene-2,7-diyl)dibenzaldehyde dioxime, C31H28N2O2
  49. Crystal structure of diethyl 1,9-bis(4-fluorophenyl)-4,6-diphenylhexahydro-3H-2,7,3,5-(epimethanetriyliminomethanetriyl)cyclopenta [b]pyridine-3,7(2H)-dicarboxylate, C40H36F2N2O4
  50. Crystal structure of bis(benzene-1 carboxylato-O 3,5-carboxyl-κ1O)-[(5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane-κ4N,N′,N′′,N′′′)nickel(II) ─ benzene-1,3,5-tricarboxylic acid ─ water (1/2/4), C52H66N4NiO28
  51. Crystal structure of 1,4-dibromo-2,5-bis(2-methoxyethoxy)benzene-1,4-diol, C12H16Br2O4
  52. Crystal structure of dicarbonyl[N,N′-(1,2-dimethyl-1,2-ethanediylidene)bis[2,6-bis(1-methylethyl)benzenamine]-N,N′]nickel(0), C30H40N2NiO2
  53. Crystal structure of 1,4-dibromo-2,5-bis(prop-2-yn-1-yloxy)benzene, C12H8Br2O2
  54. Crystal structure of O-(3-(benzo[d]thiazol-2-yl)naphthalen-2-yl) O-phenyl carbonothioate, C24H15NO2S2
  55. The crystal structure of (E)-4-fluoro-N′-(1-(4-hydroxyphenyl)propylidene)benzohydrazide, C16H15FN2O2
  56. Crystal structure of (E)-1-(benzo[d]thiazol-2-yl)-N-(4,5-dihydropyren-2-yl)methanimine, C24H16N2S
  57. Crystal structure of 3-((4-bromophenyl)thio)-1H-indole, C14H10BrNS
  58. Synthesis and crystal structure of 1-((7-hydroxy-3-(4-hydroxy-3-nitrophenyl)-4-oxo-4H-chromen-8-yl)methyl)piperidin-1-ium-4-carboxylate monohydrate, C22H22N2O9
  59. Synthesis and crystal structure of (3E,5S,10S,13S,14S,17Z)-17-ethylidene-10,13-dimethylhexadecahydro-3H-cyclopenta[α]phenanthren-3-one O-(methacryloyl) oxime, C50H74N2O4
  60. Crystal structure of the hydrogen storage active phase La12Mg46LiMn
  61. The crystal structure of the salt: 4-((1,3-dioxoisoindolin-2-yl)carbamoyl)pyridine-1-ium 2-carboxybenzoate, C14H10N3O3·C8H5O4
  62. Crystal structure of (2-(2-pyridine)-benzimidazole-κ2 N,N′)-bis(1-phenylpyrazole-κ2 C,N)iridium(III) hexafluorophosphate, C30H22F6IrN7P
  63. Crystal structure of dichlorido-bis[2-(2,4-difluorophenyl)pyridine-κ1N]platinum(II), C22H14Cl2F4N2Pt
  64. Crystal structure of (5R,8R,9R,10R,12R,13R,14R, 17S,17Z)-2-((3-fluoropyridin-4-yl)methylene)-12-hydroxy-4,4,8,10,14-pentamethyl-17-((R)-2,6,6-trimethyltetrahydro-2H-pyran-2-yl)hexadecahydro-3H-cyclopenta[a]phenanthren-3-one, C36H52FNO3
https://doi.org/10.1515/ncrs-2023-0388
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Articles in the same Issue

  1. Frontmatter
  2. New Crystal Structures
  3. Crystal structure of bis(dimethylammonium) poly[(μ4-1,1′-(1,4-phenylenebis(methylene))bis(1H-pyrazole-3,5-dicarboxylato))-κ6O1, N2:O2:O3:O1′,N2′]nickel (II)], C22H26N6NiO8
  4. Hydrothermal synthesis and crystal structure of catena-poly[diaqua-bis(μ2-4-((pyridin-4-ylmethyl)amino)benzoato-κ2N:O)cobalt(II)] – 4,4′-bipyridine – water (1/2/2)
  5. Crystal structure of (2S,3S,4S,5S, Z)-2,3,5,6-tetrakis(benzyloxy)-4-hydroxyhexanal oxime, C34H37NO6
  6. The crystal structure of hexakis(3-thiophenecarboxylato-κ2O,O″)-bis(1,10-phenanthroline-κ2N,N′) trimanganese(II), C54H34N4O12S6Mn3
  7. Crystal structure of catena-poly[(μ2-1,4-di(pyridin-4-yl)benzene-κ2N:N′)-(4-bromobenzoate-κ2O:O′)-(μ-2-bromobenzoate-κ2O,O′)nickel(II)] – water (2/1), C30H21Br2N2NiO4.5
  8. The crystal structure of poly[(μ3-1,3-phenylenedioxydiacetate-κ5O,O,O′,O″,O‴)-bis(4′-(4-(1H-imidazol-1-yl)phenyl)-4,2′:6′,4″-terpyridine-kN) cadmium(II)], C58H42CdN10O6
  9. The crystal structure of 5-chloro-6′-methyl-3-(4-(methylsulfonyl)phenyl)-[2,3′-bipyridin]-1′-ium 4-methylbenzenesulfonate
  10. Crystal structure of poly[(μ-benzoato)-(μ-cis-4–hydroxy-D-proline)lithium], C12H14LiNO5
  11. The crystal structure of catena-poly[aqua-(4-iodopyridine-2,6-dicarboxylato-κ3N,O,O′)-copper(II)] monohydrate, C7H6NO6ICu
  12. The crystal structure of catena-[diaqua-(4-acetylphenoxyacetato-κ2O,O)-bis(4-acetylphenoxyacetato-κ3O,O:O)-dihydrate-lanthanum(III)]–4,4′-bipyridine (2/1), C35H35NO14La
  13. The crystal structure of catena-poly[(4-iodopyridine-2,6-dicarboxylato-κ4 O,N,O′,O′′)(4-imidazol-1-yl-pyridine-κN)copper(II)], C15H9N4O4ICu
  14. Crystal structure of polybis(μ 4-3,5-dicarboxylatopyrazol-1-yl)-bis(N,N-dimethylformamide)tri-copper(II)–acetonitrile (1/2), C20H22Cu3N8O10
  15. Crystal structure of poly[(μ2-5-hydroxy-isophthalato-κ4O,O′:O″,O‴)-(μ2-1,5-bis(imidazol-2-methyl)pentane-κ2N:N′)cadmium(II)], C21H24CdN4O5
  16. The crystal structure of poly[bis(μ2-1,4-bi(1-imidazolyl)benzene-κ2N:N′)bis(μ2-4,4′-methylenebis(3-hydroxy-2-naphthoate)-κ2O:O′)cobalt(II)], C35H24CoN4O6
  17. The crystal structure of a cobalt-vanadium-oxido hydrate
  18. The crystal structure of catena-poly[(μ 2-2H-1,2,3-triazole-4,5-dicarboxylato-κ 2 O, O′)-(μ 2-1,3-bis((1H-imidazol-1-yl)methyl)benzene-κ 2 N,N′) zinc(II)], C18H15N7O4Zn
  19. Crystal structure of poly[diaqua-(bis(m2-1,4-bis(imidazol-1-ylmethyl)benzene)-κ2N,N′-manganese] dichloride, C28H32MnN8O2Cl2
  20. The crystal structure of 9,10-dimethoxy-5,6-dihydro-[1,3]dioxolo[4,5-g]isoquinolino [3,2-a]isoquinolin-7-ium (E)-3-(4-nitrophenyl)acrylate pentahydrate, C29H34N2O13
  21. Crystal structure of poly[(μ6-ammoniotris(methylene))tris(hydrogen phosphonato)cadmium(II)], C3H10CdNO9P3
  22. Crystal structure of Zn2[(1,1′-(hexane-1,6-diyl)bis(3-(pyridin-3-yl)urea))·(H2O)2·(DMF)2·(SO4)2], C24H50N8O18S2Zn2
  23. The crystal structure of 2-anilino-1,4-naphthoquinone, C10H11NO2
  24. Crystal structure of (E)-2-(2-(4-(diethylamino)styryl)-1-ethyl-1,4-dihydroquinolin-4-yl) malononitrile, C26H26N4
  25. Crystal structure of ethyl 2-((2,6-dichloro-4-(cyanomethyl)phenyl) amino)benzoate, C17H14Cl2N2O2
  26. Synthesis and crystal structure of 2-(3-oxo-3-phenylpropyl)isoindoline-1,3-dione, C17H13NO3
  27. The crystal structure of bis(acetonitrile-κ1N)tetrakis(μ2-2,6-difluorobenzoato-κ2O:O′)rhodium(II) (Rh–Rh), C32H18F8O8N2Rh2
  28. The crystal structure of a new polymorph of 6-hydroxy-2-naphthoic acid, C11H8O3
  29. The crystal structure of [(8-carboxymethoxy-quinoline-2-carboxylate-κ4N,O,O,O)-2,2′-bipyridine-κ2N-copper(II)] tetrahydrate, C22H23N3O9Cu
  30. The crystal structure of ethyl 4-hydroxy-2-(4-methoxyphenyl)-5-oxo-1-(2-oxo-2H-chromen-6-yl)-2,5-dihydro-1H-pyrrole-3-carboxylate, C23H19NO7
  31. Crystal structure of 7-hydroxy-3,4-dihydronaphthalen-1(2H)-one, C10H10O2
  32. Crystal structure of bis(tetrapropylammonium) dodecacarbonyltetratelluridotetraferrate(2-), (Pr4N)2[Fe4Te4(CO)12]
  33. The crystal structure of poly[bis(μ2−3−aminopyridine−4−carboxylato−κ2N:O)Zinc(II)], [Zn(C6H5N2O2)2] n
  34. The crystal structure of methyl 5-nitro-2-(tosyloxy)benzoate, C15H13NO7S
  35. The crystal structure of 18-crown-6 ― tetraaqua-dichlorido-di-μ2-chloridodicopper(II) (2/1), C12H32O10Cu2Cl4
  36. Crystal structure of 6,6a,7,8,9,10-hexahydro-5H-pyrazino [2,3-e]pyrido[1,2-a]pyrazine, C10H14N4
  37. Crystal structure of catena-poly-{diaqua-bis[μ-(((4-chlorophenyl)sulfonyl)glycinato-κO)](μ2-4, 4′-bipyridine-κ2N:N′)cobalt(II)} dihydrate, C26H30Cl2CoN4O12S2
  38. Crystal structure of bis{N′-[1,3-diphenylprop-2-en-1-ylidene]-N-phenylcarbamohydrazonothioato}zinc(II), C44H36N6S2Zn
  39. Crystal structure of tetraaqua-bis(((4-chlorophenyl)sulfonyl)glycinato-κO)cobalt(II) dihydrate, C16H26Cl2CoN2O14S2
  40. Crystal structure of 2-(5-phenyl-1-(quinolin-2-yl)-4,5-dihydro-1H-pyrazol-3-yl)phenol, C24H19N3O
  41. Crystal structure of 2-((2-fluoro-4-(trifluoromethyl)phenyl)(hydroxy)methyl)-7-methoxy-3,4-dihydronaphthalen-1((2H))-one, C19H16F4O3
  42. Crystal structure of 2-amino-4-(2-fluoro-3-(trifluoromethyl)phenyl)-9-methoxy-1,4,5,6-tetrahydrobenzo[h]quinazolin-3-ium chloride, C20H18ClF4N3O
  43. Crystal structure of (2-phenylimino methylquinoline-κ 2 N,N′)-bis(1–phenylpyrazole-κ 2 C,N)-iridium(III) hexafluorophosphate, C34H26F6IrN6P
  44. Crystal structure of (3-hydroxy-4-methoxyphenyl)(pyrrolidin-1-yl)methanone, C12H15NO3
  45. The crystal structure of bis(trimethylsulfoxonium) catena-poly[µ2-hexabromido-indium(III)sodium(I)] C6H18O2S2NaInBr6
  46. Crystal structure of N-cyclopropyl-3-hydroxy-4-methoxybenzamide, C11H13NO3
  47. The crystal structure of (bis(benzimidazol-2-yl-methyl)amine-κ3N,N′,N″ )-(dihydrogen L-malate-κ2O,O ′)copper(II) perchlorate dihydrate, CuC20H24ClN5O12
  48. Crystal structure of (1E,1′E)-4,4′-(9,9-diethyl-9H-fluorene-2,7-diyl)dibenzaldehyde dioxime, C31H28N2O2
  49. Crystal structure of diethyl 1,9-bis(4-fluorophenyl)-4,6-diphenylhexahydro-3H-2,7,3,5-(epimethanetriyliminomethanetriyl)cyclopenta [b]pyridine-3,7(2H)-dicarboxylate, C40H36F2N2O4
  50. Crystal structure of bis(benzene-1 carboxylato-O 3,5-carboxyl-κ1O)-[(5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane-κ4N,N′,N′′,N′′′)nickel(II) ─ benzene-1,3,5-tricarboxylic acid ─ water (1/2/4), C52H66N4NiO28
  51. Crystal structure of 1,4-dibromo-2,5-bis(2-methoxyethoxy)benzene-1,4-diol, C12H16Br2O4
  52. Crystal structure of dicarbonyl[N,N′-(1,2-dimethyl-1,2-ethanediylidene)bis[2,6-bis(1-methylethyl)benzenamine]-N,N′]nickel(0), C30H40N2NiO2
  53. Crystal structure of 1,4-dibromo-2,5-bis(prop-2-yn-1-yloxy)benzene, C12H8Br2O2
  54. Crystal structure of O-(3-(benzo[d]thiazol-2-yl)naphthalen-2-yl) O-phenyl carbonothioate, C24H15NO2S2
  55. The crystal structure of (E)-4-fluoro-N′-(1-(4-hydroxyphenyl)propylidene)benzohydrazide, C16H15FN2O2
  56. Crystal structure of (E)-1-(benzo[d]thiazol-2-yl)-N-(4,5-dihydropyren-2-yl)methanimine, C24H16N2S
  57. Crystal structure of 3-((4-bromophenyl)thio)-1H-indole, C14H10BrNS
  58. Synthesis and crystal structure of 1-((7-hydroxy-3-(4-hydroxy-3-nitrophenyl)-4-oxo-4H-chromen-8-yl)methyl)piperidin-1-ium-4-carboxylate monohydrate, C22H22N2O9
  59. Synthesis and crystal structure of (3E,5S,10S,13S,14S,17Z)-17-ethylidene-10,13-dimethylhexadecahydro-3H-cyclopenta[α]phenanthren-3-one O-(methacryloyl) oxime, C50H74N2O4
  60. Crystal structure of the hydrogen storage active phase La12Mg46LiMn
  61. The crystal structure of the salt: 4-((1,3-dioxoisoindolin-2-yl)carbamoyl)pyridine-1-ium 2-carboxybenzoate, C14H10N3O3·C8H5O4
  62. Crystal structure of (2-(2-pyridine)-benzimidazole-κ2 N,N′)-bis(1-phenylpyrazole-κ2 C,N)iridium(III) hexafluorophosphate, C30H22F6IrN7P
  63. Crystal structure of dichlorido-bis[2-(2,4-difluorophenyl)pyridine-κ1N]platinum(II), C22H14Cl2F4N2Pt
  64. Crystal structure of (5R,8R,9R,10R,12R,13R,14R, 17S,17Z)-2-((3-fluoropyridin-4-yl)methylene)-12-hydroxy-4,4,8,10,14-pentamethyl-17-((R)-2,6,6-trimethyltetrahydro-2H-pyran-2-yl)hexadecahydro-3H-cyclopenta[a]phenanthren-3-one, C36H52FNO3
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