Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Jürgen Kettenring"'
Autor:
Maurizio Denaro, Pietro Ferrari, Jürgen Kettenring, Romeo Ciabatti, Roberto Scotti, Beth P. Goldstein, Adriano Malabarba
Publikováno v:
The Journal of Antibiotics. 47:1493-1506
Removal, by selective reduction, of the acetylglucosamine from teicoplanin A2-2 (CTA/2) produced the 34-de(acetylglucosaminyl)-34-deoxy pseudoaglycone (II). This compound was more active in vitro than CTA/2 against coagulase-negative staphylococci (C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12c17e420bbf5a1094f7c69d48393c6c
https://doi.org/10.7164/antibiotics.47.1493
https://doi.org/10.7164/antibiotics.47.1493
Autor:
Romeo Ciabatti, L. F. Zerilli, Ermenegildo Restelli, Francesco Assi, Maurizio Denaro, Jürgen Kettenring, Bruno Cavalleri, L. Gastaldo, Gabriella Romano
Publikováno v:
Journal of Industrial Microbiology. 11:13-18
When Actinoplanes strain ATCC 33076, the producer of A-16686 A1, A2 and A3 complex, is fermented in a suitable medium three additional factors, designated A' 1, A' 2 and A' 3 are produced. These were isolated and characterized, and were shown to diff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9cb1aabadf08d4388ae775e9dfb22c76
https://doi.org/10.1007/bf01583726
https://doi.org/10.1007/bf01583726
Autor:
JÜRGEN KETTENRING, LUIGI COLOMBO, PIETRO FERRARI, PAOLO TAVECCHIA, MARINO NEBULONI, KÁROLY VÉREY, GIAN GUALBERTO GALLO, ENRICO SELVA
Publikováno v:
The Journal of Antibiotics. 44:702-715
GE2270 A, produced by Planobispora rosea ATCC 53773, inhibits Gram-positive bacteria and anaerobes by acting on the bacterial protein synthesis. The structure has been determined by physico-chemical methods applied to the intact molecule and to the m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84c0c08fb6f7f39b4a656bffb5c5f748
https://doi.org/10.7164/antibiotics.44.702
https://doi.org/10.7164/antibiotics.44.702
Autor:
Jürgen Kettenring, Marisa Berti, Rosa Pallanza, Bruno Cavalleri, Aldo Trani, Adriano Malabarba, Erminio Gerli
Publikováno v:
The Journal of Antibiotics. 43:1107-1121
The synthesis and the biological properties of a series of N15-alkyl and N15, N15-dialkyl derivatives of teicoplanin A2, its pseudoaglycones and aglycone are described. The alkylation of the terminal amino group did not affect the ability of these te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::704cc2054436650775699f148eddb48d
https://doi.org/10.7164/antibiotics.43.1107
https://doi.org/10.7164/antibiotics.43.1107
Autor:
Marisa Berti, Roberto Scotti, Romeo Ciabatti, Beth P. Goldstein, Giampaolo Candiani, Jürgen Kettenring, Rosa Pallanza, Adriano Malabarba
Publikováno v:
The Journal of antibiotics. 46(4)
The synthesis and biological properties of a series of N63-carboxamides of 15-N-alkylated derivatives of teicoplanin A2 (CTA) and its aglycone (TD) are described. Among the compounds, those carrying hydrophilic groups or ionizable amino functions on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1a2d940e4946a734123f1d9ff86a82e
https://pubmed.ncbi.nlm.nih.gov/8501009
https://pubmed.ncbi.nlm.nih.gov/8501009
Publikováno v:
The Journal of antibiotics. 43(9)
By combination of several 1H NMR techniques, the sequence of actagardine has been elucidated. It has been shown that it is a tetracyclic 19-residue peptide antibiotic. It differs from the previously described lanthionine-containing peptide antibiotic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac17081ce8eb966e025a8e167e431069
https://pubmed.ncbi.nlm.nih.gov/2211371
https://pubmed.ncbi.nlm.nih.gov/2211371
Publikováno v:
Journal of Heterocyclic Chemistry. 23:1555-1560
A series of 4,7-dihydro-4-oxo-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acids was synthesized from ethyl 5-methyl(or 5H)-2-aminopyrrole-3-carboxylate. The starting pyrroles were obtained by reaction of carbethoxyacetamidine with bromoacetone or chloroac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88f2bad21595fb30c7833b9e8e7c4f33
https://doi.org/10.1002/jhet.5570230560
https://doi.org/10.1002/jhet.5570230560
Publikováno v:
Helvetica Chimica Acta. 68:2033-2036
The title diketone has been prepared by a synthetic sequence beginning with decane-1,10-dicarboxylic acid.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3a4b01fc549d123705dc46bd0cd932c
https://doi.org/10.1002/hlca.19850680728
https://doi.org/10.1002/hlca.19850680728
Publikováno v:
The Journal of Antibiotics. 42:268-275
Homonuclear 2D NMR spectroscopy double quantum filter correlation spectroscopy (DQF-COSY), relayed-COSY, nuclear Overhauser enhancement spectroscopy (NOESY), and DQF-relayed-NOESY) allowed the complete determination of the core depsipeptide of antibi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3284111b46acb2ee429d354a3e1b2b00
https://doi.org/10.7164/antibiotics.42.268
https://doi.org/10.7164/antibiotics.42.268
Publikováno v:
Synthesis. 1987:272-274
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed038db0db8bda515c4e524446a687ab
https://doi.org/10.1055/s-1987-27913
https://doi.org/10.1055/s-1987-27913