申请人:Hoffmann-La Roche Inc.
公开号:US05866684A1
公开(公告)日:1999-02-02
The invention provides amino acid derivatives of the formula ##STR1## wherein E represents CHO or B(OH).sub.2 ; R.sup.1 represents lower alkyl (optionally substituted by halo, cyano, lower alkylthio, aryl-lower alkylthio, aryl or heteroaryl), lower alkenyl or lower alkynyl; R.sup.2 represents lower alkyl optionally substituted by hydroxy, carboxy, aryl, aminocarbonyl or lower cycloalkyl; and R.sup.3 represents hydrogen or lower alkyl; or R.sup.2 and R.sup.3 together represent di- or trimethylene optionally substituted by hydroxy; R.sup.4 represents lower alkyl (optionally substituted by hydroxy, lower cycloalkyl, carboxy, aryl, lower alkylthio, cyano-lower alkylthio or aryl-lower alkylthio), lower alkenyl, aryl or lower cycloalkyl; R.sup.5 represents lower alkyl (optionally substituted by hydroxy, lower alkylthio, aryl, aryl-lower alkylthio or cyano-lower alkylthio) or lower cycloalkyl; R.sup.6 represents hydrogen or lower alkyl; R.sup.7 represent lower alkyl (optionally substituted by hydroxy, carboxy, aryl or lower cycloalkyl) or lower cycloalkyl; R.sup.8 represents lower alkyl optionally substituted by hydroxy, carboxy or aryl; and R.sup.9 represents lower alkylcarbonyl, carboxy-lower alkylcarbonyl, arylcarbonyl, lower alkylsulphonyl, arylsulphonyl, lower alkoxycarbonyl or aryl-lower al koxycarbonyl, and salts of acidic compounds of formula I with bases, which are viral proteinase inhibitors useful as antiviral agents, especially for the treatment or prophylaxis of infections caused by Hepatitis C, Hepatitis G and human GB viruses.
本发明提供了式子为##STR1##的氨基酸衍生物,其中E代表CHO或B(OH).sub.2;R.sup.1代表较低的烷基(可选择地被卤素、氰基、较低的烷基硫、芳基-较低的烷基硫、芳基或杂环芳基取代)、较低的烯基或较低的炔基;R.sup.2代表较低的烷基,可选择地被羟基、羧基、芳基、氨基甲酰或较低的环烷基取代;R.sup.3代表氢或较低的烷基;或者R.sup.2和R.sup.3一起代表二甲基或三甲基,可选择地被羟基取代;R.sup.4代表较低的烷基(可选择地被羟基、较低的环烷基、羧基、芳基、较低的烷基硫、氰基-较低的烷基硫或芳基-较低的烷基硫取代)、较低的烯基、芳基或较低的环烷基;R.sup.5代表较低的烷基(可选择地被羟基、较低的烷基硫、芳基、芳基-较低的烷基硫或氰基-较低的烷基硫取代)或较低的环烷基;R.sup.6代表氢或较低的烷基;R.sup.7代表较低的烷基(可选择地被羟基、羧基、芳基或较低的环烷基取代)或较低的环烷基;R.sup.8代表较低的烷基,可选择地被羟基、羧基或芳基取代;R.sup.9代表较低的烷基羰基、羧基-较低的烷基羰基、芳基羰基、较低的烷基磺酰基、芳基磺酰基、较低的烷氧羰基或芳基-较低的烷氧羰基;以及式I的酸性化合物与碱的盐,它们是病毒蛋白酶抑制剂,特别是用于治疗或预防由丙型肝炎、丙型肝炎G和人类GB病毒引起的感染的抗病毒药物。