Synthesis and biological activity of mycophenolic acid-amino acid derivatives
摘要:
In search of new immunosuppressants we synthesized 11 amino acids derivatives of MPA as methyl esters 10a-k using EDCl/DMAP and their corresponding amino acid derivatives in free acid form ha k by hydrolysis of ester group with LiOH/MeOH. New analogs were evaluated as growth inhibitors of lymphoid cell line (Jurkat) and human peripheral blood mononuclear cells (PBMC) from healthy donors. According to obtained results recovering of free carboxylic group increased their activity. Additionally, the cytotoxic properties depends on the substituent and configuration at chiral center in amino acid unit. The compounds 10j, lie and 11h exhibited higher potency than MPA 1 in vitro. (C) 2013 Elsevier Masson SAS. All rights reserved.
In search of new immunosuppressants we synthesized 11 amino acids derivatives of MPA as methyl esters 10a-k using EDCl/DMAP and their corresponding amino acid derivatives in free acid form ha k by hydrolysis of ester group with LiOH/MeOH. New analogs were evaluated as growth inhibitors of lymphoid cell line (Jurkat) and human peripheral blood mononuclear cells (PBMC) from healthy donors. According to obtained results recovering of free carboxylic group increased their activity. Additionally, the cytotoxic properties depends on the substituent and configuration at chiral center in amino acid unit. The compounds 10j, lie and 11h exhibited higher potency than MPA 1 in vitro. (C) 2013 Elsevier Masson SAS. All rights reserved.
Synthesis and evaluation of mycophenolic acid derivatives as potential anti-Toxoplasma gondii agents
Nineteen mycophenolic acid (MPA) derivatives were designed and synthesized, and their anti-Toxoplasma activity evaluated for the first time. Among them, N-propylimidazole-modified compound E5 demonstrated the strongest activity, and the IC50 against HFF-1 (Human Foreskin Fibroblasts-1) cells following infection with T. gondii is 80.9 μM (MPA-211.5 μM) and its selectivity index is 2.2 (MPA-1.2). In