Optimization of Imidazole 5-Lipoxygenase Inhibitors and Selection and Synthesis of a Development Candidate
作者:Takashi Mano、Rodney W. Stevens、Kazuo Ando、Makoto Kawai、Kiyoshi Kawamura、Kazunari Nakao、Yoshiyuki Okumura、Takako Okumura、Minoru Sakakibara、Kimitaka Miyamoto、Tetsuya Tamura
DOI:10.1248/cpb.53.965
日期:——
Structural modification of imidazole 5-lipoxygenase (5-LO) inhibitors for optimizing inhibitory potency, pharmacokinetic behavior and toxicity (ocular) profile led to 4-3-[4-(2-methyl-1H-imidazol-1-yl)phenylthio]}phenyl-3,4,5,6-tetrahydro-2H-pyran-4-carboxamide (6) with no observable ocular toxicity. The orally active and safe imidazole 5-LO inhibitor 6 was selected as a clinical candidate and advanced to clinical studies. An improved synthesis of 6 is also discussed.
对咪唑类 5-脂氧合酶(5-LO)抑制剂进行结构改造,以优化其抑制效力、药代动力学行为和毒性(眼部)特征,最终开发出 4-3-[4-(2-甲基-1H-咪唑-1-基)苯硫基]}苯基-3,4,5,6-四氢-2H-吡喃-4-甲酰胺(6),且无明显眼部毒性。具有口服活性且安全的咪唑类 5-LO 抑制剂 6 被选为临床候选药物,并已推进到临床研究阶段。本文还讨论了 6 的改进合成方法。