Abstract
C20H34O4, orthorhombic, P212121 (no. 19), a = 6.222(2) Å, b = 13.705(5) Å, c = 21.903(8) Å, V = 1867.9(12) Å3, Z = 4, Rgt(F) = 0.0627, wRref(F2) = 0.1736, T = 293(2) K.

The crystal structure is shown in the figure. Tables 1–3 contain details of the measurement method and a list of the atoms including atomic coordinates and displacement parameters.
Data collection and handling.
| Crystal: | Colourless, block, size 0.16×0.21×0.24 mm |
| Wavelength: | Mo Kα radiation (0.71073 Å) |
| μ: | 0.82 cm−1 |
| Diffractometer, scan mode: | Bruker APEX II CCD Area Detector, φ and ω scan |
| 2θmax: | 50° |
| N(hkl)measured, N(hkl)unique: | 9546, 3247 |
| Criterion for Iobs, N(hkl)gt: | Iobs > 2 σ(Iobs), 2029 |
| N(param)refined: | 215 |
| Programs: | SHELX [3] |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).
| Atom | Site | x | y | z | Uiso |
|---|---|---|---|---|---|
| H(1A) | 4a | 0.4362 | 0.3985 | 0.7316 | 0.058 |
| H(1B) | 4a | 0.5821 | 0.3134 | 0.7081 | 0.058 |
| H(2) | 4a | 0.8499 | 0.3541 | 0.7774 | 0.058 |
| H(3A) | 4a | 0.8063 | 0.4808 | 0.8455 | 0.063 |
| H(3B) | 4a | 0.5768 | 0.5036 | 0.8201 | 0.063 |
| H(5) | 4a | 0.5505 | 0.5725 | 0.7109 | 0.047 |
| H(6) | 4a | 0.9070 | 0.5953 | 0.6349 | 0.051 |
| H(7A) | 4a | 0.4751 | 0.6544 | 0.6187 | 0.057 |
| H(7B) | 4a | 0.6573 | 0.6734 | 0.5709 | 0.057 |
| H(9) | 4a | 0.3788 | 0.4730 | 0.6399 | 0.049 |
| H(11A) | 4a | 0.4838 | 0.3007 | 0.6193 | 0.063 |
| H(11B) | 4a | 0.3059 | 0.3516 | 0.5801 | 0.063 |
| H(12A) | 4a | 0.5151 | 0.2760 | 0.5102 | 0.075 |
| H(12B) | 4a | 0.7284 | 0.3082 | 0.5427 | 0.075 |
| H(13) | 4a | 0.6663 | 0.4027 | 0.4504 | 0.073 |
| H(14A) | 4a | 0.7585 | 0.5519 | 0.4958 | 0.062 |
| H(14B) | 4a | 0.8499 | 0.4737 | 0.5421 | 0.062 |
| H(15) | 4a | 0.2227 | 0.5247 | 0.5547 | 0.053 |
| H(17A) | 4a | 0.2756 | 0.4026 | 0.4068 | 0.093 |
| H(17B) | 4a | 0.1129 | 0.4809 | 0.4363 | 0.093 |
| H(18A) | 4a | 0.6130 | 0.6644 | 0.8009 | 0.100 |
| H(18B) | 4a | 0.8229 | 0.7097 | 0.7733 | 0.100 |
| H(18C) | 4a | 0.8300 | 0.6576 | 0.8370 | 0.100 |
| H(19A) | 4a | 1.1004 | 0.4915 | 0.7419 | 0.101 |
| H(19B) | 4a | 1.1228 | 0.5547 | 0.8012 | 0.101 |
| H(19C) | 4a | 1.1158 | 0.6054 | 0.7371 | 0.101 |
| H(20A) | 4a | 0.9605 | 0.4423 | 0.6236 | 0.079 |
| H(20B) | 4a | 0.8715 | 0.3379 | 0.6382 | 0.079 |
| H(20C) | 4a | 0.9894 | 0.3979 | 0.6891 | 0.079 |
| H(1) | 4a | 0.7462 | 0.7588 | 0.6538 | 0.078 |
| H(2A) | 4a | 0.6496 | 0.3172 | 0.8582 | 0.104 |
| O(1W) | 4a | 1.1064(6) | 0.7747(2) | 0.5795(2) | 0.0611(9) |
| H(1D) | 4a | 1.1352 | 0.8031 | 0.5473 | 0.5(1) |
| H(1C) | 4a | 1.0352 | 0.7753 | 0.6050 | 0.17(3) |
| H(3) | 4a | 0.3006 | 0.6298 | 0.4670 | 0.086 |
Fractional coordinates and atomic displacement parameters (Å2).
| Atom | Site | x | y | z | U11 | U22 | U33 | U12 | U13 | U23 |
|---|---|---|---|---|---|---|---|---|---|---|
| C(1) | 4a | 0.5839(7) | 0.3796(3) | 0.7238(2) | 0.046(2) | 0.050(3) | 0.048(2) | −0.003(2) | −0.002(2) | 0.007(2) |
| C(2) | 4a | 0.7050(7) | 0.3803(3) | 0.7836(2) | 0.047(2) | 0.052(3) | 0.047(2) | −0.002(2) | −0.002(2) | 0.012(2) |
| C(3) | 4a | 0.7201(8) | 0.4826(3) | 0.8086(2) | 0.054(3) | 0.059(3) | 0.044(2) | 0.003(2) | −0.001(2) | 0.001(2) |
| C(4) | 4a | 0.8163(7) | 0.5595(3) | 0.7655(2) | 0.050(2) | 0.046(2) | 0.037(2) | 0.003(2) | −0.005(2) | −0.001(2) |
| C(5) | 4a | 0.6986(6) | 0.5524(3) | 0.7024(2) | 0.034(2) | 0.045(2) | 0.038(2) | 0.003(2) | 0.000(2) | 0.000(2) |
| C(6) | 4a | 0.7750(7) | 0.6222(3) | 0.6525(2) | 0.044(2) | 0.038(2) | 0.046(2) | −0.004(2) | 0.003(2) | −0.003(2) |
| C(7) | 4a | 0.6068(7) | 0.6280(3) | 0.6017(2) | 0.055(3) | 0.046(2) | 0.042(2) | −0.007(2) | 0.004(2) | 0.003(2) |
| C(8) | 4a | 0.5562(6) | 0.5321(3) | 0.5713(2) | 0.036(2) | 0.048(2) | 0.040(2) | −0.003(2) | 0.002(2) | 0.003(2) |
| C(9) | 4a | 0.5135(6) | 0.4526(3) | 0.6205(2) | 0.036(2) | 0.045(2) | 0.041(2) | −0.002(2) | 0.000(2) | 0.001(2) |
| C(10) | 4a | 0.6773(6) | 0.4475(3) | 0.6742(2) | 0.039(2) | 0.039(2) | 0.042(2) | −0.000(2) | 0.003(2) | 0.003(2) |
| C(11) | 4a | 0.4580(7) | 0.3523(3) | 0.5899(2) | 0.057(3) | 0.045(3) | 0.057(3) | −0.004(2) | −0.001(2) | −0.003(2) |
| C(12) | 4a | 0.5845(9) | 0.3292(3) | 0.5318(2) | 0.069(3) | 0.055(3) | 0.062(3) | 0.004(3) | −0.009(3) | −0.021(2) |
| C(13) | 4a | 0.5987(8) | 0.4188(3) | 0.4895(2) | 0.060(3) | 0.076(3) | 0.046(3) | 0.000(3) | 0.009(2) | −0.012(2) |
| C(14) | 4a | 0.7205(7) | 0.4989(3) | 0.5231(2) | 0.048(3) | 0.059(3) | 0.049(2) | −0.001(2) | 0.006(2) | 0.001(2) |
| C(15) | 4a | 0.3505(6) | 0.5407(3) | 0.5305(2) | 0.040(2) | 0.053(3) | 0.040(2) | −0.002(2) | −0.003(2) | 0.002(2) |
| C(16) | 4a | 0.3818(7) | 0.4650(3) | 0.4809(2) | 0.054(3) | 0.065(3) | 0.039(2) | −0.006(2) | −0.006(2) | −0.005(2) |
| C(17) | 4a | 0.2434(9) | 0.4478(4) | 0.4371(2) | 0.079(4) | 0.102(4) | 0.051(3) | −0.005(3) | −0.004(3) | −0.017(3) |
| C(18) | 4a | 0.7658(9) | 0.6570(3) | 0.7971(2) | 0.095(4) | 0.057(3) | 0.046(2) | 0.007(3) | −0.007(3) | −0.006(2) |
| C(19) | 4a | 1.0618(7) | 0.5521(4) | 0.7610(2) | 0.051(3) | 0.080(3) | 0.069(3) | −0.003(3) | −0.011(2) | −0.002(3) |
| C(20) | 4a | 0.8956(7) | 0.4021(3) | 0.6544(2) | 0.047(2) | 0.052(3) | 0.059(3) | 0.006(2) | −0.001(2) | −0.002(2) |
| O(1) | 4a | 0.8209(5) | 0.7201(2) | 0.6728(1) | 0.063(2) | 0.041(2) | 0.052(2) | −0.010(1) | −0.008(2) | 0.003(1) |
| O(2) | 4a | 0.5883(6) | 0.3182(2) | 0.8251(1) | 0.070(2) | 0.080(2) | 0.058(2) | −0.016(2) | −0.008(2) | 0.031(2) |
| O(3) | 4a | 0.3258(5) | 0.6357(2) | 0.5035(1) | 0.066(2) | 0.066(2) | 0.041(2) | 0.003(2) | −0.008(2) | 0.012(1) |
Source of material
The title compound (83 mg) was isolated from the dried leaves and stems of Pteris cretica by silica gel colume chromatography with petroleumether/acetone (volume ratio 5:1). After dissolving the crude compound in 5 mL acetone, the solution was laid up for 12 hours. Then the product was purified by sephadex LH-20 with dichloromethane/methanol (volume ratio 1:1) and recrystallized with methanol. Suitable colourless needle crystals of the title compound were obtained after 3 days [1].
Experimental details
The crystal structure was solved by direct methods and refined by full-matrix least-squares methods on F2 using SHELXTL-97 [2]. All hydrogen atoms were positioned geometrically, with the d(C—H) = 0.93–0.98 Å, Uiso(H) = 1.2 times Ueq(C) and Uiso(H) = 1.5 times Ueq(O).
Discussion
In recent years, diterpene compounds came into the focus of the scientific community. Plants which contain diterpenes are an invaluable resource because of their wide range of biological activities against tumor, HIV, bacteria and virus [2]. It is necessary to investigate further examples of this class of compounds. The bond lengths and angles of the title structure are within normal ranges. The olefinic bond was identified by the distance d(C16—C17) = 1.310(6) Å, and the three hydroxy bonds were confirmed by the distances d(C2—O2) = 1.440(5) Å, d(C6—O1) = 1.441(4) Å and d(C15—O3) = 1.438(5) Å. The three hydroxy groups are hydrogen-bonded with the water molecule.
Acknowledgements:
The authors gratefully acknowledge support from The National Natural Science Foundation of China [No.81160496] and the Science and Technology Fund of Guizhou [No. (2009)2145].
References
1. Lindsay, H.; Briggs, B. F.; Cain, B. F.; Cambie, R. C.: Diterpenes. Part VII. Kaurene. J. Chem. Soc. (1963) 1345–1349.10.1039/jr9630001345Search in Google Scholar
2. Cai, H. Y.; Gou, Z. P.: Preliminary study on antitumor effect of herba pteridis ensiformidis from genus pteris. Journal of Liaoning University of Traditional Chinese Medicine. 8 (2012) 80–81.Search in Google Scholar
3. Sheldrick, G. M.: A short history of SHELX. Acta Crystallogr. A64 (2008) 112–122.10.1107/S0108767307043930Search in Google Scholar PubMed
©2016 Chen-Liang Zhao et al., published by De Gruyter.
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
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- Crystal structure of N′-(4-methoxybenzylidene)-5-phenyl-1H-pyrazole-3-carbohydrazide, C18H16N4O2
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- Crystal structure of 5-((4-bromophenyl)(2-hydroxy-6-oxocyclohex-1-en-1-yl)methyl)-6-hydroxy-1,3-dimethylpyrimidine-2,4(1H,3H)-dione, C19H19BrN2O5
- Crystal structure of 3-(((cyclohexyl(phenyl)methylidene)amino)oxy)-2-hydroxy-N-(propan-2-yl)propan-1-aminium chloride, C19H31ClN2O2
- Crystal structure of 6-hydroxy-5-((2-hydroxy-6-oxocyclohex-1-en-1-yl)(phenyl)methyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione, C19H20N2O5
- Crystal structure of 2-(4-(4-bromophenyl)thiazol-2-yl)isoindoline-1,3-dione, C17H9BrN2O2S
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- Crystal structure of N-(5-bromo-4-(p-tolyl)thiazol-2-yl)-4-chlorobutanamide, C14H14BrClN2OS
- Crystal structure of 4,5-diphenylthiazol-2-amine, C15H12N2S
- Crystal structure of poly[bis(μ2-4-(3-(pyridin-3-yl)-1H-1,2,4-triazol-5-yl)benzoato-κ3N:O,O′)-lead(II)], C28H18O4N8Pb
- Crystal structure of (Z)-4-(4-oxopent-2-en-2-ylamino)benzenesulfonamide, C11H14N2O3S
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- Crystal structure of N′-(4-(dimethylamino)benzylidene)-5-phenyl-1H-pyrazole-3-carbohydrazide, C19H19N5O
- Crystal structure of 3-(benzofuran-2-yl)-5-(4-fluorophenyl)-4,5-dihydro-1Hpyrazole-1-carbothioamide, C18H14FN3OS
- Crystal structure of ent-1β-acetoxy-7α,14α-di-hydroxy-7β,20-epoxykaur-16-en-15-one, C22H30O6
- Crystal structure of 1α,7β-dihydroxy-11β-acetoxy-ent-7β,20-epoxykaur-16-en-15-one, C22H30O6
- Crystal structure of 7β,14β,15β-trihydroxy-1α-acetoxy-7α,20-epoxy-ent-kaurane, C22H32O6
- Crystal structure of ent-1β,7α,11α-trihydroxy-7β,20-epoxykaur-16-en-15-one, C20H28O5
- Crystal structure of poly-[tetraaquabis(μ8-benzene-1,2,4,5-tetracarboxylato-1κ3O4:O6:O8:2κ4O2:O2:O5:O5:3κ4O1:O3:O5:O7)(di-μ3-hydroxido)-pentazinc(II)] decahydrate, C20H34O32Zn5
- Crystal structure of 1-(4-methylthiazol-2-yl)-3-propylthiourea, C8H13N3S2
- Crystal structure of 2-((dimethylamino)methylene)-5,5-Dimethylcyclohexane-1,3-dione, C11H17NO2
- Crystal structure of poly[1,4-bis(2-methylbenzimidazol)butane-κ2N:N′)bis(4,4′-oxybis(benzoato-κ4O,O′:O′′,O′′′)dicadmium] monohydrate, C48H38Cd2N4O10
- Crystal structure of 2-(3-(benzofuran-2-yl)-5-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)-4-(4-chlorophenyl)thiazole, C26H17ClFN3OS
- Crystal structure of bis(μ3-isophthalato-κ3O:O′:O′′)(μ2-1,4-\ bis((2-propyl-1H-benzo[d]imidazol-1-yl)methyl)benzene-κ2N:N′)dizinc(II), C22H19N2O4Zn
- Crystal structure of poly[bis(adipate-κ4O,O′:O′′, O′′′)(1,4-bis(2-methyl-1H-benzo[d]imidazol-1-yl)benzene-κ2N:N′)dizinc(II), C36H38N4O8Zn2
- Crystal structure of N-(2-(2-oxoindolin-4-yl)ethyl)-N-propylpropan-1-aminium tetraphenylborate, C40H45BN2O
- Crystal structure of 1-(2,3-dihydro-4-methyl-3-phenyl-2-thioxothiazol-5-yl)-1-ethanone, C12H11NOS2
- Crystal structure of 3-(adamantan-1-yl)-1-[(4-benzylpiperazin-1-yl)methyl]-4-[(E)-(2,6-difluorobenzylidene)amino]-1H-1,2,4-triazole-5(4H)-thione, C31H36F2N6S
- Crystal structure of 6-(4-chlorophenyl)-3-(thiophen-2-yl)-[1,2,4]triazolo[3,4-b][1,3,4]-thiadiazole, C13H7ClN4S2
- Crystal structure of bis(ethanaminium) poly[bis(hexaselenido-κ2Se1,Se6)palladate(II)], C4H16N2PdSe12
- Crystal structure of 2-(3-(benzofuran-2-yl)-5-phenyl-4,5-dihydro-1H-pyrazol-1-yl)-4-phenylthiazole, C26H19N3OS
- Crystal structure of poly-[bis(μ3-5-hydroxyisophtalato-κ3O:O′:O′′)(μ2-1,4-bis(2-ethylbenzimidazol-1-ylmethyl)benzene-κ2N:N′)dizinc(II)], C40H30N4O5Zn2
- Crystal structure of poly-[(μ-1,4-bis(2-ethylbenzimidazol-1-ylmethyl)benzene-κ2N:N′)-bis(μ4-2,2′-(1,3-phenylene)diacetate-κ4O:O′:O′′:O′′′)dizinc(II)], C44H38N4O8Zn2
- Crystal structure of 5,17-bis-cyano-25,26,27,28-tetrapropyloxy-calix[4]arene, C42H46N2O4
- Crystal structure of poly-[μ-1,4-bis(2-ethylbenzimidazol-1-ylmethyl)benzene-κ2N:N′)-bis(μ3-5-hydroxyisophthalate(2–)-κ3O,O′:O′′)dicadmium(II)] monohydrate, C64H54N8O11Cd2
- Crystal structure of poly-[μ-1,4-bis(2-ethylbenzimidazol-1-ylmethyl)benzene-κ2N:N′)-bis(μ4-4,4′-sulfonyldibenzoato-κ4O:O′:O′′:O′′′)dicadmium(II)] monohydrate, C52H42N4O14Cd2
- Crystal structure of poly-[bis(μ4-adipato-κ4O:O′:O′′:O′′′)(μ2-1,4-bis((2-ethyl-1H-benzo[d]imidazol-1-yl)methyl)benzene-κ2N:N′)dizinc(II)], C38H42N4O8Zn2
- Crystal structure of (2-(2-chlorophenyl)-5-methyl-1,3-dioxan-5-yl)methanol, C12H15ClO3
- Crystal structure of 2-(4-Bromophenyl)-5-ethyl-1,3-dioxane-5-carboxylic acid, C13H15BrO4
- Crystal structure of (2-(4-bromophenyl)-5-ethyl-1,3-dioxan-5-yl)methanol, C13H17BrO3
- Crystal structure of 3-((1,3,5,7-tetraoxo-6-(pyridin-3-ylmethyl)-3,3a,4,4a,5,6,7,7a,8,8a-decahydro-4,8-ethenopyrrolo[3,4-f]isoindol-2(1H)-yl)methyl)pyridin-1-ium-κN-trichloridocobalt(II) hemihydrate, C24H22Cl3CoN4O4.5
- Crystal structure of 4-chloro-4′,6′-dichloro-2,2′-[propane-1,3-diyldioxybis(nitrilomethylidyne)]-diphenol, C17H14Cl3N2O4
- Crystal structure of 2-amino-4-(3-trifluoromethylphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile, C17H13F3N2O2
- Crystal structure of bis(benzoato-κO)bis(4,4′-((1H-1,2,4-triazol-1-yl)methylene)dibenzonitrile-κN)zinc(II), C48H32N10O4Zn
- Crystal structure of 3-methyl-2H-chromen-2-one, C10H8O2
- Crystal structure of catena-poly-[aqua-(2-carboxy-5-(3-carboxy-5-carboxylatophenoxy)benzoato-κO)(μ2-4,4′-di(1H-imidazol-1-yl)-1,1′-biphenyl-κ2N:N′)cobalt(II)], C34H24N4O10Co
- Crystal structure of 4,4′-di(1H-imidazol-1-yl)-1,1′-biphenyl, C36H28N8
- Crystal structure of 1-(3-chloropropyl)piperidin-1-ium tetraphenylborate, C32H37BClN
- Crystal structure of dimethyl 5-(benzylamino)isophthalate, C17H17NO4
- Crystal structure of dimethyl 5-(dibenzylamino)isophthalate, C24H23NO4
- Crystal structure of N-(adamantan-1-yl)-4-phenylpiperazine-1-carbothioamide, C21H29N3S
- Crystal structure of (2,2′(cyclohexane-1,2-diylbis(nitrilo(E)methylylidene))diphenolato-κ4O,O′,N,N′)dimethanolmanganese(III) bromide, C22H28BrMnN2O4
- Crystal structure of 3,5,7-tris(morpholinomethyl)tropolone·0.67 hydrate, C22H33N3O5·0.67H2O
- Crystal structure of biphenyl-2,3′,5,5′-tetracarboxylic acid – 4,4′-biphenyl-4,4′-diyldipyridine (3/2), C49H34N3O8
Articles in the same Issue
- Frontmatter
- Crystal structure of poly[aqua(μ2-2,5-bis(4-pyridyl)-1,3,4-oxadiazole-κ2N,N)(μ2-1,3-phenylenediacetato-κ3O,O′:O′′)cobalt(II)], C22H18CoN4O6
- Crystal structure of 2-amino-7,7-dimethyl-5-oxo-4-(3-phenoxy-phenyl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile
- Crystal structure of (E)-4,4′-(diazene-1,2-diyl)bis(1-nitro-1H-1,2,4-triazol-5(4H)-one)—acetonitrile (1:1), C6H5N11O6
- Crystal structure of potassium (E)-5-oxo-4-((5-oxo-1H-1,2,4-triazol-4(5H)-yl)diazenyl)-4,5-dihydro-1,2,4-triazol-1-ide – (E)-4,4-diazene-1,2-diylbis(2,4-dihydro-3H-1,2,4-triazol-3-one) – methanol (1/1/1), C9H11N16KO5
- Crystal structure of (N,N′-bis(2-(((2,6-diisopropylphenyl)imino)methyl)phenyl)benzene-1,2-diamido-κ4O,O′,O′′,O′′′)oxidovanadium(IV), C44H48N4OV
- Crystal structure of 5,5-bis(4-iodophenyl)-5H-cyclopenta[2,1-b:3,4-b′]dipyridine, C23H14I2N2
- Crystal structure of aquadichloridobis(1-((2-methyl-1H-imidazol-1-yl)methyl)-1H-benotriazole-κN)mercury(II), C22H24Cl2HgN10O
- Crystal structure of 2-[4-(1H-imidazol-1-yl)phenyl]-1H-benzimidazol-3-ium [2-(carboxymethyl)phenyl]acetate monohydrate, C26H24N4O5
- Crystal structure of 4,4′-bipiperidinium dichloride 0.12 hydrate, C10H22N2Cl2 · 0.12 H2O
- Crystal structure of catena-poly[tetraaqua(μ2-4,4′(E)-ethene-1,2-diyldipyridine-κ2N:N′)nickel(II)] bis(6-methyl-2-oxo-1,2-dihydro-pyridine-4-carboxylate) pentahydrate, C26H42N4O15Ni
- Crystal structure of ethyl-5-amino-1-(2,4-dinitrophenyl)-1H-pyrazole-4-carboxylate, C12H11N5O6
- Crystal structure of dicarbonyl(pyridin-2-olate-1-oxido-κ2O,O′)rhodium(I), C7H4NO4Rh
- Crystal structure of 1-(adamantan-1-yl)-3-(4-chlorophenyl)thiourea, C17H21ClN2S
- Crystal structure of 2-((2-chloropyridin-3-ylamino)methylene)malononitrile, C9H5ClN4
- Crystal structure of tetraaquabis(μ2-4-chlorobenzoato-κ2O:O,O′)bis(4-chlorobenzoato-κO)bis(1,10-phenanthroline-κ2N,N′)distrontium(II), C52H40Cl4N4O12Sr2
- Crystal structure of 3-hydroxy-3-phenyl-1,3-dihydro-2H-indol-2-one, C14H11NO2
- Crystal structures of bis(1,10-phenanthrolin-1-ium) aquapentakis(nitrato-κ2O,O′)neodym(III) monohydrate, C24H22N9NdO17
- Crystal structure of 2-ethyl-1-tert-butyl 3-oxo-2-[phenyl(tert-butoxycarbonylamino)methyl]-1,2-pyrrolidinedicarboxylate, C24H34N2O7
- Crystal structure of poly[diaquabis(μ4-benzene-1,3,5-tricarboxylato-κO1,κO2:κO3,κO4:κO5:κO6)-bis(μ2-4,4′-benzene-1,3-diylbis(4H-1,2,4-triazole-κ2N:N′)tricadmium(II)] tetrahydrate, C38H34Cd3N12O18
- Crystal structure of trans-dichlorido[1,3-bis(9-methyl-9H-fluoren-9-yl) benzimidazol-2-ylidene](pyridine)palladium(II) – a compound with anagostic CH–Pd interactions, C40H31Cl2N3Pd
- Crystal structure of catena-poly[(μ3-5-(4-(tetrazol-1-id-5-yl)phenoxy)benzene-1,3-dicarboxyato-κ3O:O′:N)(4-(3-(pyridin-4-yl)propyl)pyridinium-κN)zinc(II)], C28H22ZnN6O5
- Crystal structure of 3,6-di-2-pyridinyl-4-pyridazine carbonitrile, C15H9N5
- Crystal structure of 5,5,9,13-tetramethyltetracyclo[10·2·1·01,10·04,9]pentadecane-3,7,14-triol, C20H34O4
- Crystal structure of 2-amino-7-methyl-5-oxo-4-phenyl-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile, C16H12N2O3
- Crystal structure of the poly[(1,10-phenanthroline-κ2N,N′)(μ3-carboxylatophenoxyacetato-κ4O,O′:O′′;O′′′)lead(II)] monohydrate, C21H16N2O6Pb
- Crystal structure of the poly[(μ4-biphenyl-4,4′-dicarboxylato-κ4O:O′:O′′:O′′′) bis(μ3-8-(11-(oxysulfonyl)-4-silbenyl)-2-(oxysulfonyl)stilbene-κ4O:O′:O′′,O′′′) bis(1,10-phenanthroline-k2N,N′) dipraseodymium(III)], C94H64N4O16Pr2S4
- Crystal structure of 3-iodo-5-methoxy-7-(methoxymethoxy)-4-(3-methoxyphenoxy)-2H-chromen-2-one, C19H17IO7
- Crystal structure of poly[(5-carboxy-2,6-dimethylpyridinium-3-carboxylato-κO)tris(μ2-2,6-dimethylpyridinium-3,5-dicarboxylato-κ3O,O′:O′′)erbium(III)], C36H33ErN4O16
- This molecule targets at type 2 diabetes - a single crystal study on (2R,3S,5R)-2-(2,5-difluorophenyl)-5-[2-(methylsulfonyl)-2,6-dihydropyrrolo[3,4-c]pyrazol-5(4H)-yl] tetrahydro-2H-pyran-3-amine (Omarigliptin), C17H20F2N4O3S
- Crystal structure of poly[(μ2-2,2′-benzene-1,2-diyldiacetato-κ2O:O′), (μ2-1-(4-(1H-imidazol-1-yl)benzyl)-1H-1,2,4-triazole-κ2N:N′)zinc(II)], C22H19N5O4Zn
- Crystal structure of tetraaqua(μ2-3-(3,5-dicarboxyphenoxy)benzene-1,2-dicarboxylato-κ2O:O′)manganese(II) dihydrate, C16H20O15Mn
- Crystal structure of 4,4′-sulfonyldipyridine, C10H8N2O2S
- Crystal structure of 4-[(E)-(2-chloro-6-fluorobenzylidene)amino]-1,2-dihydro-2,3-dimethyl-1-phenylpyrazol-5-one, C18H15ClFN3O
- Crystal structure of carbonyl(2-oxopyridin-1(2H)-olato-κ2O, O′)(triphenylphosphine-κP)rhodium(I), C24H19NO3PRh
- Crystal structure of diaquabis(2-(3-bromophenyl)-5-carboxy-1H-imidazol-4-carboxylato-κ2O,N) cobalt(II) trihydrate, C22H22Br2CoN4O13
- Crystal structure of 4-(pyridin-4-ylmethylsulfonyl)pyridine, C11H10N2O2S
- Crystal structure of poly[(μ4-1-methyl-1H-tetrazole-5-thiolato-κ3S:S:N:N′)copper(I)], C2H3CuN4S
- Crystal structure of poly[diaquabis(μ2-4,4′-sulfinyldipyridine-κ2N,N′)zinc(II)] diperchlorate dihydrate, C20H24N4O14S2Cl2Zn
- Crystal structure of (1-((1-benzylpyrrolidin-2-yl-κN)methyl)-3-isopropyl-1H-imidazol-2(3H)-ylidene–κC)dibromidopalladium(II), C18H25Br2N3Pd
- Crystal structure of pentacalcium tetranitridovanadate(V) mononitride based on a powder diffraction study, Ca5[VN4]N
- Crystal structure of ((1-((1-benzylpyrrolidin-2-yl)methyl)-3-ethyl-1H-imidazol-2(3H)-ylidene)-κ2C,N)dichloridopalladium(II), C17H23Cl2N3Pd
- Crystal structure of 9-allyl-4,5-dichloro-12-cyano-9,10-dihydro-9,10-ethanoanthracen-12-yl acetate, C22H17Cl2NO2
- Crystal structure of 4-bromo-2-(8-(3-ethoxy-2-hydroxyphenyl)-3,6-dioxa-2,7-diazaocta-1,7-dien-1-yl)phenol, C18H19BrN2O5
- Crystal structure of 3-tert-butyl-3-hydroxy-1,3-dihydro-2H-pyrrolo[3,2-c]pyridin-2-one, C11H14N2O2
- Crystal structure of diaquabis(3-(3,5-dibromophenyl)-5-(pyridin-2-yl)-1,2,4-triazol-4-ido-κ2N,N′)nickel(II) mono hydrate, C26H20Br4N8NiO3
- Crystal structure of 5-(adamantan-1-yl)-3-[(2-trifluoromethylanilino)methyl]-2,3-dihydro-1,3,4-oxadiazole-2-thione, C20H22F3N3OS
- Crystal structure of 2-ethyl-1-tert-butyl-2-((4-fluorophenyl)(tert-butoxycarbonylamino)methyl)-3-oxo-pyrrolidine-1,2-dicarboxylate, C24H33FN2O7
- Crystal structure of bis(μ2-2-fluorobenzoato-κ2O:O:O′) bis(μ2-2-fluorobenzoato-κ2O:O′)dinitrato-κ2O,O′ bis(1,10-phenathroline-κ2N,N′)diterbium(III), C52H32F4N6O14Tb2
- Crystal structure of tetrabutylammonium 4-aminobenzenesulfonate 2/3 hydrate, C22H42N2O3S · 2/3 H2O
- Crystal structure of tetraethylammonium 4-aminobenzenesulfonate, C14H26N2O3S
- Crystal structure of bis(guanidinium) 3,3′-oxybis(6-carboxybenzoate), C18H20N6O9
- Crystal structure of N′-(4-methoxybenzylidene)-5-phenyl-1H-pyrazole-3-carbohydrazide, C18H16N4O2
- Crystal structure of N′-(4-nitrobenzylidene)-5-phenyl-1H-pyrazole-3-carbohydrazide, C17H13N5O3
- Crystal structure of 5-((4-bromophenyl)(2-hydroxy-6-oxocyclohex-1-en-1-yl)methyl)-6-hydroxy-1,3-dimethylpyrimidine-2,4(1H,3H)-dione, C19H19BrN2O5
- Crystal structure of 3-(((cyclohexyl(phenyl)methylidene)amino)oxy)-2-hydroxy-N-(propan-2-yl)propan-1-aminium chloride, C19H31ClN2O2
- Crystal structure of 6-hydroxy-5-((2-hydroxy-6-oxocyclohex-1-en-1-yl)(phenyl)methyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione, C19H20N2O5
- Crystal structure of 2-(4-(4-bromophenyl)thiazol-2-yl)isoindoline-1,3-dione, C17H9BrN2O2S
- Crystal structure of 2-(4-methylbenzoyl)pyrene, C24H16O
- Crystal structure of N-(5-bromo-4-(p-tolyl)thiazol-2-yl)-4-chlorobutanamide, C14H14BrClN2OS
- Crystal structure of 4,5-diphenylthiazol-2-amine, C15H12N2S
- Crystal structure of poly[bis(μ2-4-(3-(pyridin-3-yl)-1H-1,2,4-triazol-5-yl)benzoato-κ3N:O,O′)-lead(II)], C28H18O4N8Pb
- Crystal structure of (Z)-4-(4-oxopent-2-en-2-ylamino)benzenesulfonamide, C11H14N2O3S
- Crystal structure of poly[(μ2-2-methyl-1-(4-(2-methyl-2H-benzo[d] imidazol-1(7aH)-yl)butyl)-1H-benzo[d]imidazole-κ2N:N′)bis(μ3-5-tert-butylbenzene-1,3-dicarboxylato-κ4O:O,O′:O′′,O′′′)dicadmium(II)] tetrahydrate, C44H54Cd2N4O12
- Crystal structure of catena-poly-[aqua(μ2-4,4′-bipyridine-κ2N:N′)bis(3′,5,5′-tricarboxybiphenyl-2-carboxylato-κ2O,O′)cadmium(II)], C42H28N2O17Cd
- Crystal structure of (2RS,3RS)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pentan-3-ol, C15H20ClN3O
- Crystal structure of N′-(4-(dimethylamino)benzylidene)-5-phenyl-1H-pyrazole-3-carbohydrazide, C19H19N5O
- Crystal structure of 3-(benzofuran-2-yl)-5-(4-fluorophenyl)-4,5-dihydro-1Hpyrazole-1-carbothioamide, C18H14FN3OS
- Crystal structure of ent-1β-acetoxy-7α,14α-di-hydroxy-7β,20-epoxykaur-16-en-15-one, C22H30O6
- Crystal structure of 1α,7β-dihydroxy-11β-acetoxy-ent-7β,20-epoxykaur-16-en-15-one, C22H30O6
- Crystal structure of 7β,14β,15β-trihydroxy-1α-acetoxy-7α,20-epoxy-ent-kaurane, C22H32O6
- Crystal structure of ent-1β,7α,11α-trihydroxy-7β,20-epoxykaur-16-en-15-one, C20H28O5
- Crystal structure of poly-[tetraaquabis(μ8-benzene-1,2,4,5-tetracarboxylato-1κ3O4:O6:O8:2κ4O2:O2:O5:O5:3κ4O1:O3:O5:O7)(di-μ3-hydroxido)-pentazinc(II)] decahydrate, C20H34O32Zn5
- Crystal structure of 1-(4-methylthiazol-2-yl)-3-propylthiourea, C8H13N3S2
- Crystal structure of 2-((dimethylamino)methylene)-5,5-Dimethylcyclohexane-1,3-dione, C11H17NO2
- Crystal structure of poly[1,4-bis(2-methylbenzimidazol)butane-κ2N:N′)bis(4,4′-oxybis(benzoato-κ4O,O′:O′′,O′′′)dicadmium] monohydrate, C48H38Cd2N4O10
- Crystal structure of 2-(3-(benzofuran-2-yl)-5-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)-4-(4-chlorophenyl)thiazole, C26H17ClFN3OS
- Crystal structure of bis(μ3-isophthalato-κ3O:O′:O′′)(μ2-1,4-\ bis((2-propyl-1H-benzo[d]imidazol-1-yl)methyl)benzene-κ2N:N′)dizinc(II), C22H19N2O4Zn
- Crystal structure of poly[bis(adipate-κ4O,O′:O′′, O′′′)(1,4-bis(2-methyl-1H-benzo[d]imidazol-1-yl)benzene-κ2N:N′)dizinc(II), C36H38N4O8Zn2
- Crystal structure of N-(2-(2-oxoindolin-4-yl)ethyl)-N-propylpropan-1-aminium tetraphenylborate, C40H45BN2O
- Crystal structure of 1-(2,3-dihydro-4-methyl-3-phenyl-2-thioxothiazol-5-yl)-1-ethanone, C12H11NOS2
- Crystal structure of 3-(adamantan-1-yl)-1-[(4-benzylpiperazin-1-yl)methyl]-4-[(E)-(2,6-difluorobenzylidene)amino]-1H-1,2,4-triazole-5(4H)-thione, C31H36F2N6S
- Crystal structure of 6-(4-chlorophenyl)-3-(thiophen-2-yl)-[1,2,4]triazolo[3,4-b][1,3,4]-thiadiazole, C13H7ClN4S2
- Crystal structure of bis(ethanaminium) poly[bis(hexaselenido-κ2Se1,Se6)palladate(II)], C4H16N2PdSe12
- Crystal structure of 2-(3-(benzofuran-2-yl)-5-phenyl-4,5-dihydro-1H-pyrazol-1-yl)-4-phenylthiazole, C26H19N3OS
- Crystal structure of poly-[bis(μ3-5-hydroxyisophtalato-κ3O:O′:O′′)(μ2-1,4-bis(2-ethylbenzimidazol-1-ylmethyl)benzene-κ2N:N′)dizinc(II)], C40H30N4O5Zn2
- Crystal structure of poly-[(μ-1,4-bis(2-ethylbenzimidazol-1-ylmethyl)benzene-κ2N:N′)-bis(μ4-2,2′-(1,3-phenylene)diacetate-κ4O:O′:O′′:O′′′)dizinc(II)], C44H38N4O8Zn2
- Crystal structure of 5,17-bis-cyano-25,26,27,28-tetrapropyloxy-calix[4]arene, C42H46N2O4
- Crystal structure of poly-[μ-1,4-bis(2-ethylbenzimidazol-1-ylmethyl)benzene-κ2N:N′)-bis(μ3-5-hydroxyisophthalate(2–)-κ3O,O′:O′′)dicadmium(II)] monohydrate, C64H54N8O11Cd2
- Crystal structure of poly-[μ-1,4-bis(2-ethylbenzimidazol-1-ylmethyl)benzene-κ2N:N′)-bis(μ4-4,4′-sulfonyldibenzoato-κ4O:O′:O′′:O′′′)dicadmium(II)] monohydrate, C52H42N4O14Cd2
- Crystal structure of poly-[bis(μ4-adipato-κ4O:O′:O′′:O′′′)(μ2-1,4-bis((2-ethyl-1H-benzo[d]imidazol-1-yl)methyl)benzene-κ2N:N′)dizinc(II)], C38H42N4O8Zn2
- Crystal structure of (2-(2-chlorophenyl)-5-methyl-1,3-dioxan-5-yl)methanol, C12H15ClO3
- Crystal structure of 2-(4-Bromophenyl)-5-ethyl-1,3-dioxane-5-carboxylic acid, C13H15BrO4
- Crystal structure of (2-(4-bromophenyl)-5-ethyl-1,3-dioxan-5-yl)methanol, C13H17BrO3
- Crystal structure of 3-((1,3,5,7-tetraoxo-6-(pyridin-3-ylmethyl)-3,3a,4,4a,5,6,7,7a,8,8a-decahydro-4,8-ethenopyrrolo[3,4-f]isoindol-2(1H)-yl)methyl)pyridin-1-ium-κN-trichloridocobalt(II) hemihydrate, C24H22Cl3CoN4O4.5
- Crystal structure of 4-chloro-4′,6′-dichloro-2,2′-[propane-1,3-diyldioxybis(nitrilomethylidyne)]-diphenol, C17H14Cl3N2O4
- Crystal structure of 2-amino-4-(3-trifluoromethylphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile, C17H13F3N2O2
- Crystal structure of bis(benzoato-κO)bis(4,4′-((1H-1,2,4-triazol-1-yl)methylene)dibenzonitrile-κN)zinc(II), C48H32N10O4Zn
- Crystal structure of 3-methyl-2H-chromen-2-one, C10H8O2
- Crystal structure of catena-poly-[aqua-(2-carboxy-5-(3-carboxy-5-carboxylatophenoxy)benzoato-κO)(μ2-4,4′-di(1H-imidazol-1-yl)-1,1′-biphenyl-κ2N:N′)cobalt(II)], C34H24N4O10Co
- Crystal structure of 4,4′-di(1H-imidazol-1-yl)-1,1′-biphenyl, C36H28N8
- Crystal structure of 1-(3-chloropropyl)piperidin-1-ium tetraphenylborate, C32H37BClN
- Crystal structure of dimethyl 5-(benzylamino)isophthalate, C17H17NO4
- Crystal structure of dimethyl 5-(dibenzylamino)isophthalate, C24H23NO4
- Crystal structure of N-(adamantan-1-yl)-4-phenylpiperazine-1-carbothioamide, C21H29N3S
- Crystal structure of (2,2′(cyclohexane-1,2-diylbis(nitrilo(E)methylylidene))diphenolato-κ4O,O′,N,N′)dimethanolmanganese(III) bromide, C22H28BrMnN2O4
- Crystal structure of 3,5,7-tris(morpholinomethyl)tropolone·0.67 hydrate, C22H33N3O5·0.67H2O
- Crystal structure of biphenyl-2,3′,5,5′-tetracarboxylic acid – 4,4′-biphenyl-4,4′-diyldipyridine (3/2), C49H34N3O8