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Biochimica et biophysica acta, 769(2), 449-454 (1984-01-25)
Carrier-mediated transport of aminocephalosporin antibiotics by renal brush-border membrane vesicles has been studied in relation to the transport systems for dipeptides and amino acids. Dipeptides such as L-carnosine (beta-alanyl-L-histidine) and L-phenylalanylglycine competitively inhibited the uptake of cephalexin, but amino acids
Biochimica et biophysica acta, 1824(2), 274-285 (2011-11-09)
The well-ordered cross β-strand structure found in amyloid aggregates is stabilized by many different side chain interactions, including hydrophobic interactions, electrostatic charge and the intrinsic propensity to form β-sheet structures. In addition to the side chains, backbone interactions are important
The Journal of organic chemistry, 67(26), 9186-9191 (2002-12-21)
The readily available N-Boc-protected delta-amino alpha,beta-unsaturated gamma-keto ester 1 was diastereoselectively reduced to the corresponding alcohols 2 and 3, using boron- and aluminum-based reducing reagents. Reduction reactions were successful and resulted in anti/syn ratios of alcohols of >95:5 (80% yield)
Biochemical and biophysical research communications, 155(2), 1082-1087 (1988-09-15)
A transport carrier for cephalexin, a cephalosporin antibiotic, was identified in a human intestinal cell line, HT-29. Uptake via the carrier was inhibited by dipeptides, phe-gly, gly-pro, carnosine, and cefaclor, a close drug analog. Uptake was unaffected by the presence
Journal of medicinal chemistry, 42(21), 4331-4342 (1999-11-02)
Enantiopure heterocyclic Boc-protected Phe-Gly dipeptidomimetics containing 1,3,4-oxadiazole, 1,2,4-oxadiazole, and 1,2,4-triazole ring systems have been synthesized as building blocks in the synthesis of pseudopeptides. Three derivatives (1-3) have the carboxylic acid function directly bound to the heterocyclic ring, and three derivatives
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