Results 181 to 190 of about 1,360 (195)
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Thienamycin. A solution of the stereochemical problem

Tetrahedron Letters, 1979
Abstract A new nitrone-based synthesis of β-lactams is described which makes provision for the 1-hydroxyethyl moiety in the potent antibiotic thienamycin. Moreover, the relative stereochemical features of the natural product are defined in a step involving the cycloaddition of a nitrone with methyl crotonate.
Joseph J. Tufariello   +3 more
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Imipenem: the first thienamycin antibiotic.

Postgraduate medical journal, 1987
Imipenem is a new beta-lactam which differs chemically from penicillins and cephalosporins but has a similar mode of action. It is a potent antibacterial agent with a broad spectrum of activity encompassing both aerobes and anaerobes. However, in vitro, it does not appear to offer a great improvement over other available agents for the treatment of ...
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In vitro activity of thienamycin.

Methods and findings in experimental and clinical pharmacology, 1982
The in vitro activity of thienamycin was determined simultaneously in Müller-Hinton broth and peptone broth. Minimum inhibitory and bactericidal concentrations were compared to those of 4 aminoglycosides and 3 cefalosporins. The activity of thienamycin against gram-negative aerobic bacterial was influenced by the media.
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[N-Formimidoyl-thienamycin in Animal Studies].

Arzneimittel-Forschung, 1983
The beta-lactam antibiotic thienamycin is rather unstable and is metabolized in man by renal dehydropeptidase-I. The derivatives of the antibiotic, especially N-formimidoyl-thienamycin (MK-0787) are reported to be more resistant. The antibacterial activity of N-formimidoyl-thienamycin was tested by means of the infection- and therapy model of the acute,
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Thienamycin total synthesis. 3. Total synthesis of (.+-.)-thienamycin and (.+-.)-8-epithienamycin

The Journal of Organic Chemistry, 1980
Susan M. Schmitt   +2 more
openaire   +1 more source

Total synthesis of (.+-.)-thienamycin

Journal of the American Chemical Society, 1978
David B. R. Johnston   +3 more
openaire   +1 more source

Thienamycin total synthesis. 1. Synthesis of azetidinone precursors of (.+-.)-thienamycin and its stereoisomers

The Journal of Organic Chemistry, 1980
F. Aileen Bouffard   +2 more
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A stereocontrolled synthesis of (+)-thienamycin

Journal of the American Chemical Society, 1980
Thomas N. Salzmann   +3 more
openaire   +1 more source

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