This invention relates to carbamate-containing or thiocarbamate-containing galacto-pyranosyl compounds useful as therapeutic agents and being represented by the structural formula (II), wherein: X is O or S, R is selected from the group consisting of C1-8 alkyl, C3-10 cycloalkyl, aryl-C1-4 alkyl, heterocyclyl-C1-4 alkyl, cycloalkyl-C1-4 alkyl, aryl and heterocyclyl, wherein R is optionally substituted with one or more R9； R2, R3, R4, R6 and R7 are independently selected from the group consisting of hydroxyl and protected hydroxyl groups； R5 is selected from the group consisting C6-30 alkyl and arylalkyl； R8 is C6-30 alkyl； and each R9 is independently selected from the group consisting of halogen, hydroxy, trifluoromethyl, trifluoromethoxy, C1-8 alkoxy, C1-6 alkyl, cyano, methylthio, phenyl, phenoxy, chloromethyl, dichloromethyl, chloro-difluoromethyl, acetyl, nitro, benzyl, heterocyclyl and di-C1-4 alkyl-amino, or a pharmaceutically acceptable salt thereof.
