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Geometric conditions for the formation of short intramolecular hydrogen bonds in dicarboxylic acids and their acid salts. Crystal structures of two cyclopropane derivatives containing such bonds: ammonium hydrogen caronate and potassium hydrogen caronate hydrate

Autor: H. Küppers, S. M. Jessen

Publikováno v: Zeitschrift für Kristallographie - Crystalline Materials. 203:167-182

(I) Ammonium hydrogen 3,3-dimethyl-cis-1,2-cyclopropanedicarboxylate (NH4H caronate), C7H13NO4, Mr = 175.2, orthorhombic Pbca, a = 6.530(1) Å, b = 18.366(5) Å, c = 14.956(2) Å, V = 1793.7(6) Å3, Z = 8, Dx = 1.290 g/cm3, μ = 0.10 mm−1, F(000) =

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d50bf8f7b528ee928393be16743dd2ee
https://doi.org/10.1524/zkri.1993.203.12.167

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ChemInform Abstract: Structures of Two Cyclopropane Derivatives: cis- and trans-Caronic Acid

Autor: S. M. Jessen

Publikováno v: ChemInform. 23

C 7 H 10 O 4 , isomere cis, cristallise dans P2 1 /c avec a=10.855, b=6.881, c=11.054A, β=109.23°, Z=4; affinement jusqu'a R=0.042. C 7 H 10 O 4 , isomere trans, cristallise dans C2/c avec a=12.516, b=6.122, c=10.950A, β=107.43°, Z=4; affinement

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::53d3120b110a322567000c20ef71b3c0
https://doi.org/10.1002/chin.199216056

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Structures of two cyclopropane derivatives: cis- and trans-caronic acid

Autor: S. M. Jessen

Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 48:106-109

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4b95ffca1d6463e44c11a534f4c9000f
https://doi.org/10.1107/s0108270191006996

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Darstellung, Schwingungsspektren und Normalkoordinatenanalyse der Acetatochloroditechnetate(III), cis-Tc2(O2CCH3)2Cl4L2 (L = axiale Donorbase) sowie Kristallstruktur von cis-Tc2(O2CCH3)2Cl4((CH3)2NCOCH3)2 / Preparation, Vibrational Spectra and Normal Coordinate Analysis of Acetatochloroditechnetates(III), cis-Tc2(O2CCH3)2Cl4L2 (L = Axial Donorbase) and the Crystal Structure of cis-Tc2(O2CCH3)2Cl4((CH3)2NCOCH3)2

Autor: S. M. Jessen, W. Preetz, J. Skowronek

Publikováno v: Zeitschrift für Naturforschung B. 46:1305-1314

Tc2(O2CCH3)2Cl4(H2O)2 has been prepared by reaction of [Tc2Cl8]2- with acetic anhydride and fluoroboric acid. By treatment with the donor bases L = N,N-dimethylformamide (DMF), N,N-dimethylacetamide (DMAA), dimethylsulfoxide (DMSO), triphenylphosphin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fdaf67e313e02580709cc0f86679f45c
https://doi.org/10.1515/znb-1991-1005

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The structure of dilithium dihydrogen 1,2,4,5-benzenetetracarboxylate tetrahydrate (dilithium dihydrogen pyromellitate tetrahydrate)

Autor: H. Küppers, S. M. Jessen

Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 46:2351-2354

Li 2 C 10 H 4 O 8 •4H 2 O cristallise dans P1 avec a=4,586, b=8,539, c=8,525 A, α=87,66, β=89,21, γ=89,80 o , Z=1; affinement jusqu'a R=0,034. Les anions pyromellitate sont situes aux centres de symetrie et sont empiles le long de [100]. Ils for

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::38bc4c5061e56384238c3f94bc9cba7c
https://doi.org/10.1107/s0108270190004863

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Comparison of celecoxib metabolism and excretion in mouse, rabbit, dog, cynomolgus monkey and rhesus monkey

Autor: Y. M. Lawal, Susan K. Paulson, M. A. Berge, A. P. Breau, N. W. K. Liu, S. M. Jessen, Y. F. Wang, Josh J. Yuan, C. S. Markos, Jeremy D. Hribar, D. Yang, C. M. Dudkowski, J. W. A. Findlay, M. Chang, Ji Y. Zhang

Publikováno v: Xenobiotica; the fate of foreign compounds in biological systems. 30(7)

1. The metabolism and excretion of celecoxib, a specific cyclooxygenase 2 (COX-2) inhibitor, was investigated in mouse, rabbit, the EM (extensive) and PM (poor metabolizer) dog, and rhesus and cynomolgus monkey. 2. Some sex and species differences we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e55bc80579481ca81efe8e57749399f9
https://pubmed.ncbi.nlm.nih.gov/10963063

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Pharmacokinetics, tissue distribution, metabolism, and excretion of celecoxib in rats

Autor: S K, Paulson, J Y, Zhang, A P, Breau, J D, Hribar, N W, Liu, S M, Jessen, Y M, Lawal, J N, Cogburn, C J, Gresk, C S, Markos, T J, Maziasz, G L, Schoenhard, E G, Burton

Publikováno v: Drug metabolism and disposition: the biological fate of chemicals. 28(5)

The pharmacokinetics, tissue distribution, metabolism, and excretion of celecoxib, 4-[5-(4-methylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl] benzenesulfonamide, a cyclooxygenase-2 inhibitor, were investigated in rats. Celecoxib was metabolized exten

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::0829865b01cd91a88c07e223de34fa19
https://pubmed.ncbi.nlm.nih.gov/10772629

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Structure of tetramethylammonium hydrogen phthalate

Autor: S. M. Jessen

Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 46:1513-1515

C 4 H 12 N + , C 8 H 5 O 4 − cristallise dans P2 1 /c avec a=12,960, b=8,591, c=11,384 A, β=94,55 o , Z=4; affinement jusqu'a R=0,040. Chaque type d'ion forme une couche parallele a l'axe (100). Ces plans alternent, connectes par des liaisons faib

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4bfb58b4045c63cfd8727f92d84d308
https://doi.org/10.1107/s0108270190003705

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