Acylated N-hydroxy methyl thalidomide prodrugs with immunomodulator action

摘要

Thalidomide prodrugs of the formula I:in which R is -CHR1-NHR2 or -(CH2)nCOOH; R1 is H or C1-4 alkyl; R2 is H, C1-3 alkyl, C(O)-CH2-NHR3 or an amino-protective group, R3 is H or an amino-protective group, and n is an integer from 2 to 4, in the form of their free bases or of salts with physiologically acceptable acids, as well as a process for preparation of such prodrugs and the use of such prodrugs as an active drug substance.