Abstract
C22H20O5, orthorhombic, P212121 (no. 19), a = 6.2039(3) Å, b = 13.1634(8) Å, c = 22.8258(12) Å, V = 1864.06(17) Å3, Z = 4, Rgt(F) = 0.053, wRref(F2) = 0.117, T = 297(2) K.

The title crystal structure (sytematic name: 2-(5-acetyl-2,3-dihydrobenzofuran-2-yl)allyl (E)-3-(4-hydroxyphenyl)acrylate) is shown in the figure. Tables 1 and 2 contain details of the measurement method and a list of the atoms including atomic coordinates and displacement parameters.
Data collection and handling.
| Crystal: | Colorless block Size 0.16 × 0.12 × 0.05 mm |
| Wavelength: | Cu Kα radiation (1.54178 Å) |
| μ: | 7.5 cm−1 |
| Diffractometer, scan mode: | Bruker AXS, φ and ω |
| 2θmax, completeness: | 117.2°, >99% |
| N(hkl)measured, N(hkl)unique, Rint: | 15024, 2635, 0.141 |
| Criterion for Iobs, N(hkl)gt: | Iobs > 2 σ(Iobs), 1638 |
| N(param)refined: | 247 |
| Programs: | SHELX [4], Bruker programs [5], OLEX2 [6] |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).
| Atom | x | y | z | Uiso*/Ueq |
|---|---|---|---|---|
| O1 | 0.5954(6) | 0.8931(4) | 0.45813(15) | 0.0791(13) |
| H1 | 0.6889 | 0.8717 | 0.4360 | 0.119* |
| O2 | 1.0292(8) | 0.8641(4) | 0.80724(17) | 0.0880(15) |
| O3 | 0.6975(6) | 0.8804(3) | 0.84272(14) | 0.0617(10) |
| O4 | 0.7176(6) | 0.6537(3) | 0.89249(15) | 0.0672(12) |
| O5 | 0.3260(8) | 0.6486(3) | 0.63958(16) | 0.0854(14) |
| C4′ | 0.6638(11) | 0.8836(4) | 0.5149(2) | 0.0615(15) |
| C3′ | 0.8588(10) | 0.8447(4) | 0.5300(2) | 0.0678(17) |
| H2 | 0.9523 | 0.8209 | 0.5013 | 0.081* |
| C2′ | 0.9176(10) | 0.8405(5) | 0.5888(2) | 0.0701(17) |
| H3 | 1.0524 | 0.8150 | 0.5988 | 0.084* |
| C1′ | 0.7814(10) | 0.8733(4) | 0.6325(2) | 0.0542(14) |
| C6′ | 0.5837(11) | 0.9113(4) | 0.6158(3) | 0.0678(17) |
| H5 | 0.4876 | 0.9336 | 0.6443 | 0.081* |
| C5′ | 0.5261(10) | 0.9169(4) | 0.5577(3) | 0.0710(19) |
| H6 | 0.3925 | 0.9435 | 0.5473 | 0.085* |
| C7′ | 0.8508(10) | 0.8678(4) | 0.6933(2) | 0.0592(16) |
| H7 | 0.9940 | 0.8492 | 0.6989 | 0.071* |
| C8′ | 0.7404(10) | 0.8855(4) | 0.7417(2) | 0.0597(15) |
| H8 | 0.5962 | 0.9042 | 0.7392 | 0.072* |
| C9′ | 0.8418(13) | 0.8760(4) | 0.7987(2) | 0.0603(16) |
| C11 | 0.7824(10) | 0.8662(5) | 0.90185(19) | 0.0656(17) |
| H10A | 0.8167 | 0.9316 | 0.9191 | 0.079* |
| H10B | 0.9132 | 0.8260 | 0.9004 | 0.079* |
| C10 | 0.6163(9) | 0.8133(4) | 0.9381(2) | 0.0557(16) |
| C12 | 0.5509(9) | 0.8530(5) | 0.9876(2) | 0.0754(19) |
| H12A | 0.6079 | 0.9145 | 1.0004 | 0.090* |
| H12B | 0.4476 | 0.8197 | 1.0100 | 0.090* |
| C2 | 0.5377(9) | 0.7112(4) | 0.9176(2) | 0.0611(16) |
| H13 | 0.4817 | 0.6738 | 0.9514 | 0.073* |
| C3 | 0.3616(9) | 0.7145(5) | 0.8699(2) | 0.0681(18) |
| H14A | 0.2394 | 0.6724 | 0.8804 | 0.082* |
| H14B | 0.3122 | 0.7834 | 0.8631 | 0.082* |
| C3A | 0.4764(10) | 0.6730(4) | 0.8169(2) | 0.0535(15) |
| C4 | 0.4174(10) | 0.6657(4) | 0.7592(2) | 0.0579(15) |
| H16 | 0.2832 | 0.6890 | 0.7469 | 0.069* |
| C5 | 0.5606(10) | 0.6230(4) | 0.7190(2) | 0.0562(15) |
| C6 | 0.7595(12) | 0.5894(4) | 0.7383(3) | 0.0695(18) |
| H18 | 0.8536 | 0.5604 | 0.7113 | 0.083* |
| C7 | 0.8242(10) | 0.5975(4) | 0.7965(3) | 0.0682(17) |
| H19 | 0.9591 | 0.5756 | 0.8090 | 0.082* |
| C7A | 0.6769(10) | 0.6397(4) | 0.8343(2) | 0.0566(15) |
| C8 | 0.5002(11) | 0.6152(5) | 0.6567(2) | 0.0677(18) |
| C9 | 0.6516(11) | 0.5689(5) | 0.6135(2) | 0.089(2) |
| H22A | 0.5794 | 0.5605 | 0.5766 | 0.133* |
| H22B | 0.6984 | 0.5038 | 0.6276 | 0.133* |
| H22C | 0.7742 | 0.6125 | 0.6085 | 0.133* |
Source of material
The title compound C22H20O5 was isolated using medium pressure column chromatography. Dried aerial parts of Parastrephia quadrangularis (1622 g) collected in april 2015 in El Tatio, Atacama Desert, Northern Chile were defatted with hexane (3 liters, 3 times in the dark, 24 Hr each time) and 54.82 g were obtained after evaporation of the solvent. Then the plant material was extracted with ethyl acetate (3 liters, 3 times in the dark, 24 Hr each time. After evaporation of the solvent under vacuo at 35 oC, 485 g of a dark gummy extract was obtained. A portion of the extract (16 g) was filtered and submitted to a medium pressure column chromatography system composed of an 2.5 cm x 48 cm medium pressure column (Aceglass inc, Vineland, NY, USA) packed with silicagel (Kieselgel 60 H, Merck, Darmstadt, Germany) using an isocratic solvent system of hexane-ethyl acetate (8:2 v:v) pumped with a medium pressure pump (FMI lab pump, Syosset, NY, USA) with a flow rate of 10 mL-minute. The fractions were collected using a Gilson FC 203B fraction collector (Gilson, Middleton, MI, USA) and the volume of each fraction was 5 mL·The collected fractions (140) were combined according to TLC analysis (Kieselgel F254 plates, developed with CHCl3: EtOAc 18:2 v/v, and spots visualized by spraying with vanillin: sulfuric acid 2% in ethanol and heating) and 17 combined fractions were obtained. Fraction eight (1.5 g) was re-chromatographed using the same system and 22 mg of umbelliferone [1] were isolated. Fraction 11 (3.5 g) was chromatographed using the mentioned system and the title compound [2] was isolated (525 mg). Suitable crystals for a crystallographic study were obtained after re-crystallization from hexane: ethyl acetate 9:1 v/v. The structure was already reported, however, we have revised and corrected NMR data [1] with the help of detailed two-dimensional NMR spectra (DEPT, COSY, HMBC and HMQC). Analysis: colourless crystals, m.p. 124–125 oC (Stuart Scientific SMP3 melting point apparatus, Bibby Scientific Ltd, Staffordshire, UK), HRESIMS− (Q exactive focus, Thermo Fischer inc, Bremen, Germany), Found: 363.1308 [M—H]− calculated for C22H19O5−: 363.1310.
Experimental details
H atoms were located in the difference Fourier map, but refined with fixed individual displacement parameters, using a riding model with C—H distances of 0.93 Å (for aromatic rings), 0.96 Å (for CH3), with U(H) values of 1.2Ueq(C) (for CH in aromatic moiety), and 1.5Ueq(C) (for methyl), O—H distances are 0.82 Å with U(H) = 1.5Ueq(O).
Discussion
Due to exocyclic double bond, the p-cumaric acid and tremetone fragments make angle of 11.33(16)°. The crystal packing is stabilized by intermolecular O—H⋯O hydrogen bonds, between hydroxyl and carbonyl groups O(1)—H(1)⋯O(5)i [symmetry code: (i) 1/2 + x, 3/2 − y, 1 − z] which links the molecules into chains with graph-set notation C(16) [3] running along the b axis [100]. All distances and angles are in the normal range. All proton NMR spectroscopic evidence was similar to that previously published [2].
Acknowledgements
The authors thank fondecyt (Grant 1140178) and fondequip (EQM14002) for financial support. IB Thanks to fondequip (EQM13–0021).
References
1. Pan, L.; Li, X.-Z.; Yan, Z.-Q.; Guo, H.-R.; Qin, B.: Phytotoxicity of umbelliferone and its analogs: Structure–activity relationships and action mechanisms. Plant Physiol. Biochem. 97 (2015) 272–277.10.1016/j.plaphy.2015.10.020Suche in Google Scholar
2. Bohlmann, F.; Fritz, U.; King, R. M.: Neue tremeton-derivate aus Parastrephia lepidophylla. Phytochemistry 18 (1979) 1403–1405.10.1016/0031-9422(79)83037-XSuche in Google Scholar
3. Bernstein, J.; Davis, R. E.; Shimoni, L.; Chang, N.-L.: Patterns in hydrogen bonding: functionality and graph set analysis in crystals. Angew. Chem. Int. Ed. 34 (1995) 1555–1573.10.1002/anie.199515551Suche in Google Scholar
4. Sheldrick, G. M.: SHELXT-Integrated space-group and crystal-structure determination. Acta Crystallogr. C71 (2015) 3–8.10.1107/S2053273314026370Suche in Google Scholar PubMed PubMed Central
5. Bruker. APEX2, SAINT and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA, 2007.Suche in Google Scholar
6. Dolomanov, O. V.; Bourhis, L. J.; Gildea, R. J.; Howard, J. A. K.; Puschmann, H.: OLEX2: a complete structure solution, refinement and analysis program. J. Appl. Cryst. 42 (2009) 339–341.10.1107/S0021889808042726Suche in Google Scholar
©2016 Iván Brito et al., published by De Gruyter.
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Artikel in diesem Heft
- Cover and Frontmatter
- Editorial
- Twenty years of crystal structure publication and the road ahead
- Crystal Structures
- Crystal structure of poly-[triaqua-(μ4-5′-carboxy-[1,1′-biphenyl]-2,3,3′-tricarboxylate-κ6O1,O2:O3,O4:O5:O6)praseodymium(III), C16H13O11Pr
- Crystal structure of (R)-1-(2,3-dihydro-1H-pyrrolizin-5-yl)-2,3-dihydroxypropan-1-one, C10H13NO3
- Crystal structure of (E)-4-nitro-2-((2-phenoxyphenylimino)methyl)phenol, C19H14N2O4
- Crystal structure of 3,3′-di(furan-2-yl)-5,5′-bi-1,2,4-triazine
- Crystal structure of 11-(p-coumaroyloxy)-tremetone, C22H20O5
- The crystal structure of 1,3-bis(2,6-diiso-propylphenyl)imidazol-2-ylidene)-dibromido-(1-methyl-1H-imidazole-κ1N)palladium(II) – ethyl acetate – water (1/1/1), C31H42Br2N4Pd
- Crystal structure of 2-((3-(5-methyl-1-phenyl-1H-1,2,3-triazol-4-yl)-1-phenyl-1H-pyrazol-4-yl)methylene)-1H-indene-1,3(2H)-dione, C28H19N5O2
- Crystal structure of 2-(5-(4-fluorophenyl)-3-p-tolyl-4,5-dihydro-1H-pyrazol-1-yl)-4-(5-methyl-1-p-tolyl-1H-1,2,3-triazol-4-yl)thiazole, C29H25FN6S
- Crystal structure of poly-[aqua-(μ7-benzene-1,3,5-tricarboxylato)-(μ3-1,2,4-triazol-1-ido)dicobalt(II)], C11H7Co2N3O7
- Crystal constructure of 16(S)-methyl-6α-carboxy-1, 15-dioxo-6, 7-seco-ent-kaur-2-en-7, 20-olide, C20H24O6
- Crystal structure of 1-(benzo[d]thiazol-2-yl)-3-phenylthiourea, C14H11N3S2
- Crystal structure of 3-(2-bromophenyl)-1,1-dimethylthiourea, C9H11BrN2S
- Crystal structure of 1-(adamantan-1-yl)-3-(3-chlorophenyl)thiourea, C17H21ClN2S
- Crystal structure of 3-(adamantan-1-yl)-1-(4-bromophenyl)urea, C17H21BrN2O
- Crystal structure of (Z)-Ethyl 2-cyano-2-(3-phenylthiazolidin-2-ylidene) acetate, C14H14N2O2S
- Crystal structure of methyl 2b-ethyl-1a,2a,2b,2b1,3,5,10,11-octahydro-1H-oxireno[2′,3′:6,7]indolizino[8,1-cd]carbazole-4-carboxylate, C21H24N2O3
- Crystal structure of 2-amino-5-oxo-4-(3,4,5-trimethoxy-phenyl)-4,5,6,7-tetrahydro-cyclopenta[b]pyran-3-carbonitrile, C18H18N2O5
- Crystal structure of 1,2,3-trimethyl-2,3-dihydro-1H-perimidine, C14H16N2
- Crystal structure of bis(2,6-dihydroxymethyl)pyridine-κ3N,O,O′)-bis(μ2-6-chloropyridin-2-olato-κ3N,O:O)-bis(6-chloropyridin-2-olato-κO)-bis(nitrato-κ2O,O′)digadolinium(III), C34H30Cl4Gd2N8O14
- Crystal structure of 8-isopropyl-8-aza-bicyclo[3.2.1]octan-3-yl 3-hydroxy-2-phenylpropanoate, C19H27NO3
- Crystal structure of 1-methyl-3-[((naphthalen-2-ylsulfonyl)oxy)imino]indolin-2-one, C19H14N2O4S
- Crystal structure (7,8-bis(diisopropylphosphino)-7,8-dicarba-nido-undecaborane-κ2P,P′)-(benzoato-κ2O,O′)nickel(II), C21H42B9NiO2P2
- Crystal structure of methyl-2-methyl-4-(2-oxo-2-phenylethyl)-5-phenyl-1H-pyrrole-3-carboxylate, C21H19NO3
- Crystal structure of 2-[(2-oxo-thiazolidine-3-carbonyl)sulfamoyl]-methy-benzoic acid methyl ester, C13H14N2O6S2
- Crystal structure of N′-(2-phenylacetyl)thiophene-2-carbohydrazide monohydrate, C13H14N2O3S
- Crystal structure of 1,1′-(hexane-1,6-diyl)bis(3-methyl-1H-imidazol-3-ium) bis(hexafluoro phosphate), C14H24F12N4P2
- Crystal structure of di-μ-chlorido-bis[1,2-bis(dicyclohexylphosphino)-1,2-dicarba-closo-dodecaborane-κ2P,P′]zinc(II), C52H108B20Cl2P4Zn2
- Crystal structure of dibromido-bis[μ-1-[(2-methyl-1H-benzoimidazol-1-yl)methyl]-1H-benzotriazole-κN]mercury(II), C30H26Br2HgN10
- Crystal structure of bis(μ-nitrato-κ2O:O)-bis[1,2-bis(diphenylphosphino)-1,2-dicarba-closo-dodecaborane-κ2P,P′]disilver(I) dicloromethane monosolvate, C54H64B20Cl4O6P4Ag2
- Crystal structure of dinuclear dichloridobis(dimethylformamide-kO)bis[μ2-3-(2-oxyphenyl)-5-(pyrazin-2-yl)-1,2,4-triazol-1ido-κ4-O,N:N′,N′′(2−)]diiron(III) − dimethylformamide (1/1), C36H42Cl2Fe2N14O6
- Crystal structure of diaqua-dinitrato-κO-bis(4-(1H-pyrazol-3-yl)pyridine-κN)manganese(II), C16H18MnN8O8
- Crystal structure of (Z)-6-methoxy-2-(2,2,2-trifluoro-1-hydroxyethylidene)-2,3-dihydro-1H-inden-1-one, C12H6F6O3
- Crystal Structure of 4-(2-chloroacetamido)pyridinium chloride monohydrate, C7H10Cl2N2O2
- Crystal structure of 2-amino-4-(4-chloro-phenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile, C16H13ClN2O2
- Crystal structure of (E)-1-(2-(thiophen-2-ylmethylene)hydrazinyl)phthalazine hydrochloride–ethanol (1/1), C15H17ClN4OS
- Crystal structure of N,N-diethyl-5-bromo-3,4-dihydro-2,4-dioxopyrimidine-1(2H)-carboxamide, C9H12BrN3O3
- Crystal structure of 3-(2-(4-chlorophenyl)-3-hydroxy-3,3-diphenylpropyl)-1,1-dimethylurea, C24H25ClN2O2
- Crystal structure of 3-(4-chlorophenyl)-1,1-dimethylthiourea, C9H11ClN2S
- Crystal structure of 2-amino-4-(4-bromo-phenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile, C16H11BrN2O3
- Crystal structure of 4-(3,4-dimethyl-phenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydro-quinoline-3-carboxylic acid ethyl ester, C21H25NO3
- Crystal structure of (E)-2-({4-hydroxy-5-methoxy-3-[(4-methyl-1-piperazinyl)methyl]phenyl} methylidene)-1-indanone, C23H26N2O3
- Crystal structure of tripropylammonium 2′-carboxy-[1,1′-biphenyl]-2-carboxylate – [1,1′-biphenyl]-2,2′-dicarboxylic acid (2/1), C60H72N2O12
- Crystal structure of catena-poly-{aqua-[μ2-1,2-bis((1H-imidazol-1-yl)methyl)benzene-κ2N:N′]-[μ2-4,4′-(dimethylsilanediyl)dibenzato-κ3O,O′:O′]nickel(II)}, C30H30N4NiO5Si
- The crystal structure of 1-(4-bromophenyl)-2-(4-(4-fluorophenyl)piperazin-1-yl)ethanol, C18H20BrFN2O1
- Crystal structure of trimethylammonium 4-((4-carboxyphenyl)sulfonyl)benzoate, C17H19NO6S
- Crystal structure of syn-2,4-di-o-tolylpentane-2,4-diol, C19H24O2
- Crystal structure of 2-[3,5-bis(trifluoromethyl)benzylsulfanyl]-5-(5-bromothiophen-2-yl)-1,3,4-oxadiazole, C15H7BrF6N2OS2
- Crystal structure of (E)-3-((naphthalen-1-ylimino)methyl)-4-nitrophenol, C17H12N2O3
- Crystal structure of 2-dichloromethyl-2-p-nitrophenyl-1,3-dioxolane, C10H9Cl2NO4
- Crystal structure of (1,4,8,11-tetraazacyclotetradecane)palladium(II) tetracyanopalladate(II), C14H24N8Pd2
- Crystal structure of 2-(4-oxo-2-thioxothiazolidin-3-yl)acetic acid monohydrate, C5H7NO4S2
- Crystal structure of a P4-bridged (η5-pentamethyl-cyclopentadienyl)(η5-adamantylcyclopentadienyl) titanium(III)complex, C50H66P4Ti2
- Crystal structure of cis-bis(2,2′-bipyrimidine-κ2N,N′)bis(thiocyanato-κN)nickel(II), C18H12N10NiS2
- Crystal structure of cis-bis(2,2′-bipyridine-κ2N,N′)dibromidomanganese(II), C20H16Br2MnN4
- Crystal structure of cis-bis(2,2′-bipyridine-κ2N,N′)bis(thiocyanato-κN)nickel(II), C22H16N6NiS2
- Crystal structure of trans-dibromido(1,4,8,11-tetraazacyclotetradecane)nickel(II), C10H24Br2N4Ni
- Crystal structure of cis-tetrabromidobis(pyridine-κN)platinum(IV), C10H10Br4N2Pt
- Crystal structure of (E)-5-((4-chlorophenyl)diazenyl)-2-(5-(4-fluorophenyl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-4-methylthiazole, C23H17ClFN5S2
- The crystal structure of 3-((1R,2S)-1-methylpyrrolidin-1-ium-2-yl)pyridin-1-ium tetrachloridocobaltate(II) monohydrate, C10H18Cl4CoN2O
Artikel in diesem Heft
- Cover and Frontmatter
- Editorial
- Twenty years of crystal structure publication and the road ahead
- Crystal Structures
- Crystal structure of poly-[triaqua-(μ4-5′-carboxy-[1,1′-biphenyl]-2,3,3′-tricarboxylate-κ6O1,O2:O3,O4:O5:O6)praseodymium(III), C16H13O11Pr
- Crystal structure of (R)-1-(2,3-dihydro-1H-pyrrolizin-5-yl)-2,3-dihydroxypropan-1-one, C10H13NO3
- Crystal structure of (E)-4-nitro-2-((2-phenoxyphenylimino)methyl)phenol, C19H14N2O4
- Crystal structure of 3,3′-di(furan-2-yl)-5,5′-bi-1,2,4-triazine
- Crystal structure of 11-(p-coumaroyloxy)-tremetone, C22H20O5
- The crystal structure of 1,3-bis(2,6-diiso-propylphenyl)imidazol-2-ylidene)-dibromido-(1-methyl-1H-imidazole-κ1N)palladium(II) – ethyl acetate – water (1/1/1), C31H42Br2N4Pd
- Crystal structure of 2-((3-(5-methyl-1-phenyl-1H-1,2,3-triazol-4-yl)-1-phenyl-1H-pyrazol-4-yl)methylene)-1H-indene-1,3(2H)-dione, C28H19N5O2
- Crystal structure of 2-(5-(4-fluorophenyl)-3-p-tolyl-4,5-dihydro-1H-pyrazol-1-yl)-4-(5-methyl-1-p-tolyl-1H-1,2,3-triazol-4-yl)thiazole, C29H25FN6S
- Crystal structure of poly-[aqua-(μ7-benzene-1,3,5-tricarboxylato)-(μ3-1,2,4-triazol-1-ido)dicobalt(II)], C11H7Co2N3O7
- Crystal constructure of 16(S)-methyl-6α-carboxy-1, 15-dioxo-6, 7-seco-ent-kaur-2-en-7, 20-olide, C20H24O6
- Crystal structure of 1-(benzo[d]thiazol-2-yl)-3-phenylthiourea, C14H11N3S2
- Crystal structure of 3-(2-bromophenyl)-1,1-dimethylthiourea, C9H11BrN2S
- Crystal structure of 1-(adamantan-1-yl)-3-(3-chlorophenyl)thiourea, C17H21ClN2S
- Crystal structure of 3-(adamantan-1-yl)-1-(4-bromophenyl)urea, C17H21BrN2O
- Crystal structure of (Z)-Ethyl 2-cyano-2-(3-phenylthiazolidin-2-ylidene) acetate, C14H14N2O2S
- Crystal structure of methyl 2b-ethyl-1a,2a,2b,2b1,3,5,10,11-octahydro-1H-oxireno[2′,3′:6,7]indolizino[8,1-cd]carbazole-4-carboxylate, C21H24N2O3
- Crystal structure of 2-amino-5-oxo-4-(3,4,5-trimethoxy-phenyl)-4,5,6,7-tetrahydro-cyclopenta[b]pyran-3-carbonitrile, C18H18N2O5
- Crystal structure of 1,2,3-trimethyl-2,3-dihydro-1H-perimidine, C14H16N2
- Crystal structure of bis(2,6-dihydroxymethyl)pyridine-κ3N,O,O′)-bis(μ2-6-chloropyridin-2-olato-κ3N,O:O)-bis(6-chloropyridin-2-olato-κO)-bis(nitrato-κ2O,O′)digadolinium(III), C34H30Cl4Gd2N8O14
- Crystal structure of 8-isopropyl-8-aza-bicyclo[3.2.1]octan-3-yl 3-hydroxy-2-phenylpropanoate, C19H27NO3
- Crystal structure of 1-methyl-3-[((naphthalen-2-ylsulfonyl)oxy)imino]indolin-2-one, C19H14N2O4S
- Crystal structure (7,8-bis(diisopropylphosphino)-7,8-dicarba-nido-undecaborane-κ2P,P′)-(benzoato-κ2O,O′)nickel(II), C21H42B9NiO2P2
- Crystal structure of methyl-2-methyl-4-(2-oxo-2-phenylethyl)-5-phenyl-1H-pyrrole-3-carboxylate, C21H19NO3
- Crystal structure of 2-[(2-oxo-thiazolidine-3-carbonyl)sulfamoyl]-methy-benzoic acid methyl ester, C13H14N2O6S2
- Crystal structure of N′-(2-phenylacetyl)thiophene-2-carbohydrazide monohydrate, C13H14N2O3S
- Crystal structure of 1,1′-(hexane-1,6-diyl)bis(3-methyl-1H-imidazol-3-ium) bis(hexafluoro phosphate), C14H24F12N4P2
- Crystal structure of di-μ-chlorido-bis[1,2-bis(dicyclohexylphosphino)-1,2-dicarba-closo-dodecaborane-κ2P,P′]zinc(II), C52H108B20Cl2P4Zn2
- Crystal structure of dibromido-bis[μ-1-[(2-methyl-1H-benzoimidazol-1-yl)methyl]-1H-benzotriazole-κN]mercury(II), C30H26Br2HgN10
- Crystal structure of bis(μ-nitrato-κ2O:O)-bis[1,2-bis(diphenylphosphino)-1,2-dicarba-closo-dodecaborane-κ2P,P′]disilver(I) dicloromethane monosolvate, C54H64B20Cl4O6P4Ag2
- Crystal structure of dinuclear dichloridobis(dimethylformamide-kO)bis[μ2-3-(2-oxyphenyl)-5-(pyrazin-2-yl)-1,2,4-triazol-1ido-κ4-O,N:N′,N′′(2−)]diiron(III) − dimethylformamide (1/1), C36H42Cl2Fe2N14O6
- Crystal structure of diaqua-dinitrato-κO-bis(4-(1H-pyrazol-3-yl)pyridine-κN)manganese(II), C16H18MnN8O8
- Crystal structure of (Z)-6-methoxy-2-(2,2,2-trifluoro-1-hydroxyethylidene)-2,3-dihydro-1H-inden-1-one, C12H6F6O3
- Crystal Structure of 4-(2-chloroacetamido)pyridinium chloride monohydrate, C7H10Cl2N2O2
- Crystal structure of 2-amino-4-(4-chloro-phenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile, C16H13ClN2O2
- Crystal structure of (E)-1-(2-(thiophen-2-ylmethylene)hydrazinyl)phthalazine hydrochloride–ethanol (1/1), C15H17ClN4OS
- Crystal structure of N,N-diethyl-5-bromo-3,4-dihydro-2,4-dioxopyrimidine-1(2H)-carboxamide, C9H12BrN3O3
- Crystal structure of 3-(2-(4-chlorophenyl)-3-hydroxy-3,3-diphenylpropyl)-1,1-dimethylurea, C24H25ClN2O2
- Crystal structure of 3-(4-chlorophenyl)-1,1-dimethylthiourea, C9H11ClN2S
- Crystal structure of 2-amino-4-(4-bromo-phenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile, C16H11BrN2O3
- Crystal structure of 4-(3,4-dimethyl-phenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydro-quinoline-3-carboxylic acid ethyl ester, C21H25NO3
- Crystal structure of (E)-2-({4-hydroxy-5-methoxy-3-[(4-methyl-1-piperazinyl)methyl]phenyl} methylidene)-1-indanone, C23H26N2O3
- Crystal structure of tripropylammonium 2′-carboxy-[1,1′-biphenyl]-2-carboxylate – [1,1′-biphenyl]-2,2′-dicarboxylic acid (2/1), C60H72N2O12
- Crystal structure of catena-poly-{aqua-[μ2-1,2-bis((1H-imidazol-1-yl)methyl)benzene-κ2N:N′]-[μ2-4,4′-(dimethylsilanediyl)dibenzato-κ3O,O′:O′]nickel(II)}, C30H30N4NiO5Si
- The crystal structure of 1-(4-bromophenyl)-2-(4-(4-fluorophenyl)piperazin-1-yl)ethanol, C18H20BrFN2O1
- Crystal structure of trimethylammonium 4-((4-carboxyphenyl)sulfonyl)benzoate, C17H19NO6S
- Crystal structure of syn-2,4-di-o-tolylpentane-2,4-diol, C19H24O2
- Crystal structure of 2-[3,5-bis(trifluoromethyl)benzylsulfanyl]-5-(5-bromothiophen-2-yl)-1,3,4-oxadiazole, C15H7BrF6N2OS2
- Crystal structure of (E)-3-((naphthalen-1-ylimino)methyl)-4-nitrophenol, C17H12N2O3
- Crystal structure of 2-dichloromethyl-2-p-nitrophenyl-1,3-dioxolane, C10H9Cl2NO4
- Crystal structure of (1,4,8,11-tetraazacyclotetradecane)palladium(II) tetracyanopalladate(II), C14H24N8Pd2
- Crystal structure of 2-(4-oxo-2-thioxothiazolidin-3-yl)acetic acid monohydrate, C5H7NO4S2
- Crystal structure of a P4-bridged (η5-pentamethyl-cyclopentadienyl)(η5-adamantylcyclopentadienyl) titanium(III)complex, C50H66P4Ti2
- Crystal structure of cis-bis(2,2′-bipyrimidine-κ2N,N′)bis(thiocyanato-κN)nickel(II), C18H12N10NiS2
- Crystal structure of cis-bis(2,2′-bipyridine-κ2N,N′)dibromidomanganese(II), C20H16Br2MnN4
- Crystal structure of cis-bis(2,2′-bipyridine-κ2N,N′)bis(thiocyanato-κN)nickel(II), C22H16N6NiS2
- Crystal structure of trans-dibromido(1,4,8,11-tetraazacyclotetradecane)nickel(II), C10H24Br2N4Ni
- Crystal structure of cis-tetrabromidobis(pyridine-κN)platinum(IV), C10H10Br4N2Pt
- Crystal structure of (E)-5-((4-chlorophenyl)diazenyl)-2-(5-(4-fluorophenyl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-4-methylthiazole, C23H17ClFN5S2
- The crystal structure of 3-((1R,2S)-1-methylpyrrolidin-1-ium-2-yl)pyridin-1-ium tetrachloridocobaltate(II) monohydrate, C10H18Cl4CoN2O