Search Results - "Ott, John L"
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Orally absorbable cephalosporin antibiotics. 2. Structure-activity studies of bicyclic glycine derivatives of 7-aminodeacetoxycephalosporanic acid
Published in Journal of medicinal chemistry (01-12-1985)“…Three positional analogues (4-, 5-, and 7-) of benzothienylglycine and (N-acetylindolinyl)-5-glycine were prepared and coupled to…”
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Lack of Correlation Between β-Lactamase Production and Susceptibility to Cefamandole or Cefoxitin Among Spontaneous Mutants of Enterobacteriaceae
Published in Antimicrobial Agents and Chemotherapy (01-01-1979)“…Classifications Services AAC Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Chemistry of cephalosporin antibiotics. 28. Preparation and biological activity of 3-(substituted)vinyl cephalosporins
Published in Journal of medicinal chemistry (01-10-1975)“…3-(Substituted)vinylcephem nuclei have been prepared by the reaction of 3-formylcephem derivatives with stabilized phosphoranes. Appropriate synthetic steps…”
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Enzymatic and chemical modifications of lipopeptide antibiotic A21978C: the synthesis and evaluation of daptomycin (LY146032)
Published in Journal of antibiotics (1988)“…The novel lipopeptide antibiotic A21978C complex is active against Gram-positive organisms. This complex consists of a common peptide nucleus with various…”
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Synthesis and antimicrobial evaluation of 20-deoxo-20-(3,5-dimethylpiperidin-1-yl)desmycosin (tilmicosin, EL-870) and related cyclic amino derivatives
Published in Journal of antibiotics (1989)“…A series of 20-deoxo-20-cyclic (alkylamino) derivatives of tylosin, desmycosin, macrocin and lactenocin was prepared by reductive amination of the C-20…”
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Synthesis and evaluation of tylosin-related macrolides modified at the aldehyde function: a new series of orally effective antibiotics
Published in Journal of medicinal chemistry (01-08-1988)“…Modification of the aldehyde group in tylosin and related macrolide antibiotics dramatically enhanced the oral efficacy of the derivatives against experimental…”
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Orally absorbable cephalosporin antibiotics. 3. Preparation of biologically active R-isomer of 7-(3-benzothienylglycylamido)deacetoxycephalosporanic acid
Published in Journal of medicinal chemistry (01-12-1985)“…The methyl and isopropyl esters of (RS)-3-benzothienylglycine were resolved with (+)- and (-)-tartaric acid in acetonitrile to give the corresponding R and S…”
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Examination of model enzyme and penetration systems in relation to antibacterial activity
Published in Journal of antibiotics (1986)“…Recent work has shown that the activity of cephalosporins in inhibiting exocellular DD-peptidases from Streptomyces R61 and Actinomadura R39 are, at best, only…”
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The synthesis and biological evaluation of some novel aminoheterocyclic methoxime monobactam derivatives
Published in Journal of antibiotics (1986)Get more information
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Formation of adenosine by cell-free extracts of Escherichia coli
Published in Archives of biochemistry and biophysics (01-02-1954)Get more information
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Coupled nucleoside phosphorylase reactions in Escherichia coli
Published in Archives of biochemistry and biophysics (1957)Get more information
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ASPARAGINASE FROM MYCOBACTERIA12
Published in Journal of bacteriology (01-09-1960)Get full text
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Synthesis and biological evaluation of a series of parenteral 3'-quaternary ammonium cephalosporins
Published in Journal of medicinal chemistry (01-08-1990)“…The preparation and biological evaluation of a series of 7 beta-[2-(2-aminothiazol-4-yl)-2(Z)-methoximinoacetamido]cep halosporins, substituted at the…”
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Synthesis and structure-activity relationships of new 9-N-alkyl derivatives of 9(S)-erythromycylamine
Published in Journal of medicinal chemistry (01-11-1990)“…A series of new 9-N-alkyl derivatives of 9(S)-erythromycylamine has been synthesized by reductive alkylation of erythromycylamine with aliphatic aldehydes and…”
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Oral absorption of cephalosporin antibiotics. 2. Expanded structure-activity relationships of 7-(arylacetamido)-3-substituted cephalosporins
Published in Journal of medicinal chemistry (01-10-1988)“…The structure-activity relationship for 7-arylacetamido cephalosporins has been extended. Modifications of the 7-aryl group led to improvements in…”
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Oral absorption of cephalosporin antibiotics. 1. Synthesis, biological properties, and oral bioavailability of 7-(arylacetamido)-3-chloro cephalosporins in animals
Published in Journal of medicinal chemistry (01-10-1988)“…A number of 7-(arylacetamido)-3-substituted cephalosporins were prepared and tested in animals for oral absorbability. Bioavailability in mice, rats, dogs, and…”
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Asparaginase from mycobacteria
Published in Journal of bacteriology (01-09-1960)Get full text
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