Inhibitors of acyl-CoA:cholesterol acyltransferase. 5. Identification and structure-activity relationships of novel .beta.-keto amides as hypocholesterolemic agents
摘要:
A study of structure-activity relationships of substituted beta-ketoamide ACAT inhibitors I and II was performed. The results of this study suggest that whereas the beta-keto group was tolerated with no loss in activity, beta-hydroxy and oxime moieties led to significantly reduced activity in vitro and in vivo. The most potent inhibitor from the acyclic series (I) (11, IC50 = 0.006 muM) contained a C-13 alkyl chain. This compound reduced plasma total cholesterol by 38% and 66% at 3 and 30 mg/kg, respectively, in cholesterol-fed rats. Dimethylation alpha to the anilide core(5) and subsequent N-methylation of the amide NH (6) decreased in vitro potency significantly. It was also found that high potency was retained with inhibitors which incorporated the carbonyl into a lactam ring (II).
Inhibitors of acyl-CoA:cholesterol acyltransferase. 5. Identification and structure-activity relationships of novel .beta.-keto amides as hypocholesterolemic agents
作者:Corinne E. Augelli-Szafran、C. John Blankley、Bruce D. Roth、Bharat K. Trivedi、Richard F. Bousley、Arnold D. Essenburg、Katherine L. Hamelehle、Brian R. Krause、Richard L. Stanfield
DOI:10.1021/jm00072a014
日期:1993.10
A study of structure-activity relationships of substituted beta-ketoamide ACAT inhibitors I and II was performed. The results of this study suggest that whereas the beta-keto group was tolerated with no loss in activity, beta-hydroxy and oxime moieties led to significantly reduced activity in vitro and in vivo. The most potent inhibitor from the acyclic series (I) (11, IC50 = 0.006 muM) contained a C-13 alkyl chain. This compound reduced plasma total cholesterol by 38% and 66% at 3 and 30 mg/kg, respectively, in cholesterol-fed rats. Dimethylation alpha to the anilide core(5) and subsequent N-methylation of the amide NH (6) decreased in vitro potency significantly. It was also found that high potency was retained with inhibitors which incorporated the carbonyl into a lactam ring (II).
Substituted beta-ketoamide ACAT inhibitors
申请人:Warner-Lambert Company
公开号:US05278326A1
公开(公告)日:1994-01-11
Novel pharmaceutically useful compounds which lower blood cholesterol levels and are beta-ketoamides, oximes, amines, and hydroxyl derivatives thereof.