Pteridines. XXXVI. Syntheses of xanthopterin and isoxanthopterin. Application of N-oxide chemistry to highly functionalized pyrazines and pteridines.
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Cyclic N-Oxides↗
Biomedical subjects
R F Abdulla
Publications and source records attributed to R F Abdulla.
Monocyclic antibiotic beta-lactams.
The preparation and antimicrobial activity of a series of beta-lactams (3a-f) are described. These compounds were prepared from the 2+2 cycloaddition of beta,beta-disubstituted enamines with aryl isocyanates; compounds 3a-f underwent facile beta-lactam ring fission between aminal carbon atom C4 and the lactam nitrogen N1. The resisting formylacetanilide derivatives were devoid of antibiotic activity.
Anti-Bacterial Agents↗