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Syntheses of Guanidino-substituted Penicillins and Cephalosporins

โœ Scribed by LEANZA, W. J.; CHRISTENSEN, B. G.; ROGERS, E. F.; PATCHETT, A. A.

Book ID
109644817
Publisher
Nature Publishing Group
Year
1965
Tongue
English
Weight
264 KB
Volume
207
Category
Article
ISSN
0028-0836

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โœ Raymond A. Firestone; Natalie Schelechow; David B.R. Johnston; B.G. Christensen ๐Ÿ“‚ Article ๐Ÿ“… 1972 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 195 KB

The theory that penicillins and cephalosporins are D-alanyl-D-alanine surrogates led Strominger and Tipper (2) to predict that placing a methyl group in the same position as is found in the D-alanyl residue, i.e. a to the lactam carbonyl, would increase antibacterial effectiveness.