申请人:Syntex (U.S.A.) Inc.
公开号:US04970297A1
公开(公告)日:1990-11-13
This invention is directed to compounds of the formula: ##STR1## or an optical isomer thereof, or a pharmaceutically acceptable salt thereof, wherein: n is 0, 1 or 2; p and q are independently 0, 1 or 2 and the sum of (p+q) is less than or equal to 3; X is selected from the group consisting of: halo; --OR.sup.2, --SR.sup.2, --S(O)R.sup.2, --S(O).sub.2 R.sup.2, and --S(O).sub.2 NHR.sup.2, wherein R.sup.2 is lower alkyl, mono-, di- or tri-fluoro alkyl of 2 or 3 carbon atoms, optionally substituted aryl; R is H or an N-protecting group; R.sup.1 is alkylthio, arylthio, amino, alkylamino, optionally substituted arylamino, or optionally substituted aralkylamino; and when the sum of n+p+q is greater than or equal to one, R.sup.1 is also hydroxy, alkoxy, or aralkoxy; and each (aa) is independently an .alpha.-amino acid residue with an optionally protected amino acid side chain.
本发明涉及以下式的化合物: ##STR1## 或其光学异构体,或其药学上可接受的盐,其中:n为0、1或2;p和q独立地为0、1或2,且(p+q)之和小于或等于3;X选自以下组:卤素;-OR.sup.2,-SR.sup.2,-S(O)R.sup.2,-S(O).sub.2R.sup.2和-S(O).sub.2NHR.sup.2,其中R.sup.2为2或3个碳原子的低烷基,单烯,双烯或三烯氟烷基,可选取代芳基;R为H或N-保护基;R.sup.1为烷基硫,芳基硫,氨基,烷基氨基,可选取代芳基氨基或可选取代芳基烷基氨基;当n+p+q之和大于或等于1时,R.sup.1也是羟基,烷氧基或芳基烷氧基;每个(aa)独立地是具有可选保护氨基酸侧链的α-氨基酸残基。