Synthesis and antimicrobial/antimalarial activities of novel naphthalimido trans -β-lactam derivatives
Abstract
This paper describes for the first time the synthesis and microbiological assessment of some new β-lactam derivatives containing a 1,8-naphthalimide functional group. These compounds were obtained through a [2 + 2] cyclocondensation (Staudinger reaction) of a ketene derived from 2-(1,3-dioxo-1H-benzo[de]isoquinolin-2(3H)-yl) acetic acid (Alrestatin) and various N-arylimines. The reaction was totally diastereoselective leading exclusively to the formation of trans-β-lactam adducts 3a–l, which were characterized by FT-Infra Red, 1H NMR, 13C NMR, mass spectrometry, elemental analyses, and X-ray crystallography, and then individually evaluated for antibacterial and antimalarial activities. Two of the β-lactams, 3c and 3l, afforded IC50 values of 3 and 5 µM, respectively, against Plasmodium falciparum K1 resistant strain.
Publisher URL: https://link.springer.com/article/10.1007/s00044-017-1920-z
DOI: 10.1007/s00044-017-1920-z
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