Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Ramona Oehme"'
Publikováno v:
The FEBS Journal. 284:4314-4327
Heme d1 is a modified tetrapyrrole playing an important role in denitrification by acting as the catalytically essential cofactor in the cytochrome cd1 nitrite reductase of many denitrifying bacteria. In the course of heme d1 biosynthesis, the two pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c56b9a78d70c408e5ad36a7092d22f5
https://doi.org/10.1111/febs.14307
https://doi.org/10.1111/febs.14307
Publikováno v:
Journal of Chromatography A. 1645:462095
Liquid chromatography coupled to a triple quadrupole and, alternatively, to an ultrahigh-resolution quadrupole time-of-flight (UHR-QqTOF) mass spectrometers was used to collect qualitative and quantitative information from incubations of the anti-hep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e2de1bb00f51916884aeb0544bec2cb
https://doi.org/10.1016/j.chroma.2021.462095
https://doi.org/10.1016/j.chroma.2021.462095
Autor:
Ramona Oehme, Klaus-P Eter Zeller, Dieter Sicker, Hans-Ullrich Siehl, Markus Winkler, Stefan Berger, Katrin Steinke
Publikováno v:
Chemie in unserer Zeit. 48:190-199
Raffinose wurde aus den Samen der Blauen Suslupine durch Extraktion mit 50% Ethanol gewonnen und uber eine Kationen-Austauschersaule sowie schlieslich durch analytische HPLC mit Hilfe eines RI-Detektors gereinigt. Alle analytischen Spektren sind voll
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92907a4a39634389e7c9b5389c438f02
https://doi.org/10.1002/ciuz.201400672
https://doi.org/10.1002/ciuz.201400672
Autor:
Guangbin Yang, Matthias Findeisen, Peter Welzel, Lothar Hennig, Sabine Giesa, Madina Mansourova, Ramona Oehme
Publikováno v:
Helvetica Chimica Acta. 87:1807-1824
Routes allowing the synthesis of moenomycin analogues with one modified sugar component and with new lipid parts were developed (see 10c, 12c, 16b, and 20b in Schemes 2–4). It is anticipated that such analogues will be useful for studying the mode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::129991aee1c85925059d522b043c985b
https://doi.org/10.1002/hlca.200490161
https://doi.org/10.1002/hlca.200490161
Publikováno v:
Helvetica Chimica Acta. 87:1794-1806
A new approach for the synthesis of moenomycin trisaccharide analogues is reported in which three monosaccharide building blocks are used and allows the introduction of different substituents at the 6-position of unit E (Scheme 2). Furthermore, a new
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::156e7b54e5c5490a9673024034238790
https://doi.org/10.1002/hlca.200490160
https://doi.org/10.1002/hlca.200490160
Autor:
Anna Galkina, Angelika Buff, Lothar Hennig, Emmanuelle Schulz, Matthias Findeisen, Ramona Oehme, Peter Welzel, Gerd Reinhard
Publikováno v:
European Journal of Organic Chemistry. 2003:4640-4653
Oxidation of 4,6-heptadienoic acid systems with hydrogen peroxide in the presence of a catalytic amount of diphenyl diselenide leads to 5-(3-hydroxypropenyl)dihydrofuran-2-one systems with defined relative configuration at the 4 and 7 positions (carb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad2f3c73b9e667a867563a4df1dc7c39
https://doi.org/10.1002/ejoc.200200671
https://doi.org/10.1002/ejoc.200200671
Autor:
Lothar Hennig, Mohammed Daghish, Sabine Giesa, Matthias Findeisen, Daniela Volke, Peter Welzel, Ramona Oehme
Publikováno v:
Helvetica Chimica Acta. 86:4214-4232
The synthesis of some 3-aryl-3-(trifluoromethyl)3H-diazirine and benzophenone-based photoaffinity labels is reported. The photolabile group is bound to a scaffold that also accommodates functional groups to which an indicator unit (biotin) and the bi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb84394618223e591a017f00e715e2e0
https://doi.org/10.1002/hlca.200390346
https://doi.org/10.1002/hlca.200390346
Autor:
Lothar Hennig, Michael Maslov, Matthias Findeisen, Ramona Oehme, Joachim Sieler, Gerd Reinhardt, Alexei Anikin, Jens Baldamus, Steffen Blaurock, Peter Welzel
Publikováno v:
Tetrahedron. 59:5295-5305
1α-Amino-1,6,9-trideoxy forskolin was synthesized starting from drimenal and an isoprenoid C5 unit. A tricyclic labdane with the entire forskolin skeleton was available in only four steps. Barton's nitrite photolysis was applied to functionalize C-1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5940a6bf13f5a06876198f9737f7495
https://doi.org/10.1016/s0040-4020(03)00788-9
https://doi.org/10.1016/s0040-4020(03)00788-9
Autor:
Sabine Giesa, Katja Rohr, Lothar Hennig, Madina Mansourova, Ramona Oehme, Peter Welzel, Matthias Findeisen
Publikováno v:
European Journal of Organic Chemistry. 2003:2656-2660
Conditions allowing optically active methyl glycerate to be converted, without racemization, into the 2-O-propargyl derivative, via the 2-O-allyl derivative, are reported. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4bee1497e23932c44f67ad2a0c49f036
https://doi.org/10.1002/ejoc.200300052
https://doi.org/10.1002/ejoc.200300052
Autor:
Juan A. Ayala, Lothar Hennig, Thomas Rühl, Andrij Buchynskyy, Peter Welzel, Ramona Oehme, Dietmar Knoll, Matthias Findeisen, Sabine Giesa, Daniela Volke, Karen Barche, Uwe Kempin, Mohammed Daghish, Katherina Stembera
Publikováno v:
Bioorganic & Medicinal Chemistry. 11:2965-2981
The interaction of a moenomycin derivative with the enzyme penicillin binding protein 1b (PBP 1b) has been studied by means of STD NMR. The results obtained initiated the synthesis of a number of moenomycin derivatives modified in unit A including a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::512e7c25dc840d2abd5d4b892bebecc5
https://doi.org/10.1016/s0968-0896(03)00187-1
https://doi.org/10.1016/s0968-0896(03)00187-1