申请人:Bristol-Myers Squibb Company
                            
                            
                                公开号:EP0501511A2
                            
                            
                                公开(公告)日:1992-09-02
                            
                            
Improved processes for production of useful nucleoside derivatives of formula (VI)
wherein B1 is a pyrimidinyl group of Formula XXI or a purinyl group of Formula XXII,
in which V is amino or hydroxy,
R2 is hydrogen or methyl, and
R3 is hydrogen or amino;
                            改进了生产公式(VI)中有用的核苷衍
生物的过程,其中B1是公式XXI的
嘧啶基团或公式XXII的
嘌呤基团,其中V是
氨基或羟基,R2是氢或甲基,R3是氢或
氨基。