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Author(s): Gomes, P
Gomes, JRB
Rodrigues, M
Moreira, R
Title: Amino acids as selective sulfonamide acylating agents
Issue Date: 2003
Abstract: Acylation of antimalarial and bacteriostatic sulfonamides with N-protected amino acids and peptides was carried out using standard peptide coupling methods. These acylation reactions are regioselective for the N-4 nitrogen atom of diazine-containing sulfonamides. In contrast, only N-1 coupling was found for sulfisoxazole, an isoxazole-based sulfonamide. Computational studies suggest that a combination of geometrical, thermodynamic and electronic factors are responsible for the different reactivities reported.
Subject: Química
Chemical sciences
Scientific areas: Ciências exactas e naturais::Química
Natural sciences::Chemical sciences
Document Type: Artigo em Revista Científica Internacional
Rights: openAccess
Appears in Collections:FCUP - Artigo em Revista Científica Internacional

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