Structure-Based Design, Synthesis, and Structure−Activity Relationship Studies of Novel Non-nucleoside Adenosine Deaminase Inhibitors
作者:Tadashi Terasaka、Takayoshi Kinoshita、Masako Kuno、Nobuo Seki、Kohichiro Tanaka、Isao Nakanishi
DOI:10.1021/jm0306374
日期:2004.7.1
novel, highly potent non-nucleoside adenosine deaminase (ADA) inhibitor, 1-[(R)-1-hydroxy-4-(6-(3-(1-methylbenzimidazol-2-yl)propionylamino)indol-1-yl)-2- butyl]imidazole-4-carboxamide 1 (K(i)= 7.7 nM), which we recently reported. Structure-based drug design (SBDD) utilizing the crystal structure of the 1/ADA complex was performed in order to obtain structure-activity relationships (SAR) for this type
我们在此公开了围绕新型高效非核苷腺苷脱氨酶(ADA)抑制剂1-[(R)-1-羟基-4-(6-(3-(1-甲基苯并咪唑-2-基)丙酰氨基] )吲哚-1-基)-2-丁基]咪唑-4-羧酰胺1(K(i)= 7.7 nM),我们最近报道。进行了利用1 / ADA复合物晶体结构的基于结构的药物设计(SBDD),以便合理有效地获得此类化合物的结构-活性关系(SAR)。为了利用新形成的疏水性空间(F2),就结合活性和亚甲基-亚甲基的长度而言,允许用正丙基链(4b)或简单的苯环(4c)取代1的苯并咪唑环。间隔物被证明在二或三时是最佳的。就结合活性而言,用醚作为连接基取代酰胺也具有良好的耐受性,而且还改善了口服吸收(6a和6b)。最后,将吲哚-1-基转化为吲哚-3-基导致发现了一种新型的高效且可口服生物利用的ADA抑制剂1-[(R)-4-(5-(3-(4-氯苯基)丙氧基) )-1-甲基吲哚-3-基)-1-羟基-2-丁基]咪唑-4甲酰胺8c。