Patent ID: 6169077
Filing Date: 2001-01-02
Classification: C07H

Abstract:
A compound of the formula I or II ##STR119## in which Z is an .alpha.-bonded pyranose of the formula III ##STR120## with the proviso that Z is not L-fucose, R.sub.1 is hydrogen, C.sub.1 -C.sub.20 alkyl, C.sub.1 -C.sub.20 alkenyl, C.sub.3 -C.sub.15 cycloalkyl or a mono- or bicyclic C.sub.6 -C.sub.10 aryl or C.sub.2 -C.sub.9 heteroaryl, where alkyl, alkenyl, cycloalkyl, aryl and heteroaryl are unsubstituted or mono- or polysubstituted by a substituent chosen from the group consisting of OH, halogen, halo-C.sub.1 -C.sub.18 alkyl, nitro, C.sub.1 -C.sub.18 alkyl, C.sub.1 -C.sub.18 alkoxy, amino, mono-C.sub.1 -C.sub.18 alkylamino, di-C.sub.1 -C.sub.18 alkylamino, benzylamino, sulfhydryl, thio-C.sub.1 -C.sub.18 alkyl and C.sub.1 -C.sub.18 alkylcarboxamide; R.sub.2 is C.sub.1 -C.sub.18 alkyl, mono- or polysubstituted C.sub.1 -C.sub.18 alkyl, C.sub.3 -C.sub.8 cycloalkyl or mono- or polysustituted C.sub.3 -C.sub.8 cycloalkyl, where one or more CH.sub.2 groups in the alkyl and in the cycloalkyl, independently of one another may be replaced by oxygen, sulfur or an imino group and the substituents are chosen from the group consisting of OH, SH, NH.sub.2, carboxamide, C(O)O and C.sub.1 -C.sub.18 alkoxycarbonyl; R.sub.3 is a methyl or hydroxymethyl group.