Design, synthesis and evaluation of novel 2-butyl-4-chloroimidazole derived peptidomimetics as Angiotensin Converting Enzyme (ACE) inhibitors
作者:Anvesh Jallapally、Dinesh Addla、Pankaj Bagul、Balasubramanian Sridhar、Sanjay K. Banerjee、Srinivas Kantevari
DOI:10.1016/j.bmc.2015.04.024
日期:2015.7
A series of novel 2-butyl-4-chloro-1-methylimidazole derived peptidomimetics were designed, synthesized and evaluated for their Angiotensin Converting Enzyme (ACE) inhibitor activity. 2-Butyl-4-chloro-1-methylimidazole-5-carboxylic acid 2 obtained after oxidation of respective carboxaldehyde 1, was condensed with various amino acid methyl esters 3a–k to give imidazole–amino acid conjugates 4a–k in
设计,合成和评估了一系列新颖的2-丁基-4-氯-1-甲基咪唑衍生的拟肽,并评估了它们的血管紧张素转化酶(ACE)抑制剂活性。氧化相应的甲醛1之后得到的2-丁基-4-氯-1-甲基咪唑-5-羧酸2与各种氨基酸甲基酯3a - k缩合,以非常好的收率得到咪唑-氨基酸共轭物4a - k。用LiOH水溶液将4a - k酯水解,得到所需的拟肽5a - k。筛选所有新化合物4a – k和5a - k使用ACE抑制试验,得到了五种化合物4i,4k,5e,5h和5i作为有效的ACE抑制剂,IC 50为0.647、0.531、1.12、0.657和0.100μM,毒性最小。其中,5i成为最活跃的ACE抑制剂,其功效比市售药物利诺普利,雷米普利和与贝那普利,奎那普利和依那普利相对等价。