Isoxazolyl, oxazolyl, and thiazolylpropionic acid derivatives as potent α4β1 integrin antagonists
作者:Allen J Duplantier、Gretchen E Beckius、Robert J Chambers、Louis S Chupak、Teresa H Jenkinson、Anne S Klein、Kenneth G Kraus、Elizabeth M Kudlacz、Michael W McKechney、Martin Pettersson、Carrie A Whitney、Anthony J Milici
DOI:10.1016/s0960-894x(01)00511-x
日期:2001.10
alpha(4)beta(1) integrin. The synthesis and SAR leading up to 3-[3-(1-[-[3-methoxy-4-(3-o-tolyl-ureido)-phenyl]-acetylamino]-3-methyl-butyl)-isoxazol-5-yl]-propionic acid (22) are reported. In an allergic mouse model, compound 22 was efficacious delivered systemically (58% inhib @ 10 mg/kg, sc) as well as by intra-tracheal instillation (ED(50)=2 microg/kg).
发现一系列衍生自LDV的异恶唑基,恶唑基和噻唑基丙酸衍生物是α(4)β(1)整联蛋白的有效拮抗剂。合成和合成SAR导致生成3- [3-(1-[-[3-甲氧基-4-(3-o-甲苯基-脲基)-苯基]-乙酰氨基] -3-甲基-丁基)-异恶唑-5报道了[-yl]-丙酸(22)。在过敏性小鼠模型中,化合物22是有效递送的(58%的inhib @ 10 mg / kg,皮下注射)以及通过气管内滴注(ED(50)= 2 microg / kg)。