Novel Azo Derivatives as Prodrugs of 5-Aminosalicylic Acid and Amino Derivatives with Potent Platelet Activating Factor Antagonist Activity
作者:Elena Carceller、Jordi Salas、Manuel Merlos、Marta Giral、Rosa Ferrando、Ignasi Escamilla、Joaquin Ramis、Julián García-Rafanell、Javier Forn
DOI:10.1021/jm010852p
日期:2001.8.1
a potent platelet activating factor (PAF) antagonist in a colon-specific manner for the purpose of treating ulcerative colitis. We found it possible to add an amino group on the aromatic moiety of our reported 1-[(1-acyl-4-piperidyl)methyl]-1H-2-methylimidazo[4,5-c]pyridine derivatives or on British Biotech compounds BB-882 and BB-823 maintaining a high level of activity as PAF antagonist. A selected
本文描述了一系列能够以结肠特异性方式递送5-氨基水杨酸(5-ASA)和有效的血小板活化因子(PAF)拮抗剂的偶氮化合物的合成,用于治疗溃疡性结肠炎。我们发现有可能在我们报道的1-[(1-酰基-4-哌啶基)甲基] -1H-2-甲基咪唑并[4,5-c]吡啶衍生物的芳族部分或英国生物技术化合物上添加氨基BB-882和BB-823保持高水平的PAF拮抗剂活性。选定的化合物UR-12715(49c)在体外PAF诱导的聚集测定中显示的IC(50)为8 nM,在体内PAF诱导的降压试验中显示的ID(50)为29 microg / kg大鼠。通过偶氮官能团将49c连接到5-ASA,我们获得了UR-12746(70)。[14C] -70的药代动力学实验使我们得出以下结论,这些结论对设计这些5-ASA的新药至关重要。在大鼠中口服[14C] -70后,整个分子70和载体49c均未吸收,这由血浆中放射性水平的缺乏