DERIVATIVES OF 9-($g(b)-D-XYLOFURANNOSYL)ADENINE AND OF 1-($g(b)-D-XYLOFURANNOSYL)CYTOSINE, PREPARATION THEREOF AND APPLICATION IN THERAPEUTICS

摘要

Compounds of general formula (I) wherein R1 represents a hydrogen atom, a (2-4C) alkanoyl, aroyl or nitro, R2 represents a hydrogen atom, a (C2-4 ) alkanoyl, aroyl or nitro, R3 represents a hydrogen atom, a (2-4C) alkanoyl, aroyl or nitro group, B represents a radical of formula (a) or (b) wherein R 'represents a hydrogen atom or a (2-4C) alkanoyl. therapeutic application.