Zobrazeno 1 - 10 of 383 pro vyhledávání: '"BO LAMM"'
1
Novel Structures Derived from 2-[[(2-Pyridyl)methyl]thio]-1H-benzimidazole as Anti-Helicobacter pylori Agents, Part 1
Autor: Thomas Elebring, Jan-Erik Sjöström, Beritte Christenson, Bo Lamm, Ann-Charlotte Klintenberg, Thomas C Kühler, Roberto Giuseppe Paolo Gatti, Jonas Fägerhag, Maria Ölwegård-Halvarsson, Vladimir Shcherbuchin, Marianne Swanson
Publikováno v: Journal of Medicinal Chemistry. 45:4282-4299
2-[[(2-Pyridyl)methyl]thio]-1H-benzimidazoles (2, sulfides) exhibit antibacterial properties that are selective for Helicobacter spp., but they also have an inherent susceptibility to metabolic oxidation to furnish 2-[[(2-pyridyl)methyl]sulfinyl]-1H-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7cf88c74cbe75f224a11a553e95c6b6
https://doi.org/10.1021/jm0208673
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2
A useful route to (R)- and (S)-tert-leucine
Autor: Stig Allenmark, Bo Lamm
Publikováno v: Chirality. 13:43-47
Resolution of 1-(2-furyl)-2,2-dimethylpropylamine, an intermediate on a synthetic route to tert-leucine, followed by oxidation of the respective enantiomers, constitutes an interesting and useful strategy to (R)- and (S)-tert-leucine. Chirality 13:43
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::588262e10c04fcd3992e4c677d9e101f
https://doi.org/10.1002/1520-636x(2001)13:1<43::aid-chir9>3.0.co
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3
Synthesis of [4-18F]-1-Bromo-4-fluorobenzene and its Use in Palladium-Promoted Cross-Coupling Reactions with Organostannanes
Autor: Tobias Forngren, Yvonne Andersson, Bo Lamm, Bengt Långström, Louisa Barré, Ole Hammerich, Inger Søtofte
Publikováno v: Acta Chemica Scandinavica. 52:475-479
A method of general interest for the introduction of a [4-F-18]fluorophenyl structure into highly functional molecules has been developed. [4-F-18]-1-Bromo-4-fluorobenzene 3 was obtained in a two-step reaction from [F-18]fluoride (in water solution)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7d99e39b34c97dd0495dd87bddd3c7ce
https://doi.org/10.3891/acta.chem.scand.52-0475
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4
Identification of a new by-product detected in metoprolol tartrate
Autor: Magnus Erickson, Bo Lamm, Karl-Erik Karlsson, Lars A. Svensson, Sam Larsson, Jörgen Vessman
Publikováno v: Journal of Pharmaceutical and Biomedical Analysis. 13:567-574
A new impurity has been found in some batches of metoprolol tartrate. As the amount exceeded 0.1% it was of interest to deduce the structure. Techniques involved in solving the problem were LC, LC-MS and GC-MS. The LC systems showed that the impurity
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0b3d90a486d5445eafd5103dc7e670a6
https://doi.org/10.1016/0731-7085(95)01277-r
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6
The Dimerization of 9-Cyanoanthracene Anion Radicals. A One- or Two-Step Reaction?
Autor: Kjell Ankner, Tore Benneche, Arne Brändström, Bo Lamm, Kjell Undheim, Hans Junek, Jean-Michel Savéant, Roger Simonsson
Publikováno v: Acta Chemica Scandinavica. :721-727
Dimerization of 9-cyanoanthracene anion radicals in the 10 position has been proposed to involve either a one-step bonding process or the prior formation of «π complex», followed by σ-bond formation. Currently available thermodynamic and kinetic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e12883c0c7e603ef067b2401c53f08a4
https://doi.org/10.3891/acta.chem.scand.42b-0721
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9
Structure of the 2 : 1 adduct of dimethyl acetylenedicarboxylate and the pyrrolidine enamine of 3-methylthiochroman-4-one: A novel pentacyclic system
Autor: Bo Lamm, Leif Andersen, Carl-Johan Aurell
Publikováno v: Tetrahedron Letters. 24:2413-2416
The structure of the 2 : 1 adduct of dimethyl acetylenedicarboxylate and 3-methyl-4-(1-pyrrolidinyl)-2 H -thiochromene has been determined by single-crystal X-ray diffraction.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c6f3b88fa4cadc5ae0ce5cdf14c28bf8
https://doi.org/10.1016/s0040-4039(00)81941-3
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10
EI and CI Mass Fragmentation of Tryptamine, Tetrahydro-beta-Carboline and Some of their Derivatives
Autor: Kjell Undheim, Hans Junek, Jukka Gynther, Roger Simonsson, Kjell Ankner, Arne Brändström, Bo Lamm, Liisa T. Kanerva
Publikováno v: Acta Chemica Scandinavica. :433-441
La reaction de retro-Diels Alder est la fragmentation predominante des β-carbolines dans la spectrometrie de masse par impact d'electron. L'ionisation chimique provoque l'expulsion d'ammoniac des derives de la tryptamine comportant un groupe amine d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b7793908002324cd99e085c48b5a2dbe
https://doi.org/10.3891/acta.chem.scand.42b-0433
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