Patent ID: 6221897
Filing Date: 2001-04-24
Classification: A61K,C07D,C07K,C08G

Abstract:
A compound of formula I ##STR23##in whichR.sup.1 is methyl, ethyl, propyl, or butyl;R.sup.2 is H, OH, NH.sub.2, or NH--(C.sub.1 -C.sub.6)-alkyl;R.sup.3 is a sugar radical, a disugar radical, a trisugar radical, a tetrasugar radical, wherein said radicals are optionally mono- or polysubstituted by a sugar protective group;R.sup.4 is methyl, ethyl, propyl, or butyl;R.sup.5 is methyl, ethyl, propyl, or butyl;Z is --(C.dbd.O).sub.n --(C.sub.0 -C.sub.16)-alkyl, --(C.dbd.O).sub.n --(C.sub.0 -C.sub.16)-alkyl-NH--, --(C.dbd.O).sub.n --(C.sub.0 -C.sub.16)-alkyl-O--, --(C.dbd.O).sub.n --(C.sub.1 -C.sub.16)-alkyl-(C.dbd.O).sub.m, or a covalent bond;n is 0 or 1;m is 0 or 1;or a pharmaceutically tolerable salt thereof, or a physiologically functional derivative thereof.