[EN] SYNTHESIS OF 2'-DEOXY-L-NUCLEOSIDES<br/>[FR] SYNTHESE DE 2'-DEOXY-L-NUCLEOSIDES
申请人:PHARMASSET LTD
公开号:WO2001034618A2
公开(公告)日:2001-05-17
This invention provides processes for the preparation of compounds having structure (A) wherein X and Y are same or different, and H, OH, OR, SH, SR, NH2, NHR', or NR'R'; Z is H, F, Cl, Br, I, CN or NH2. R is hydrogen, halogen, lower alkyl of C1-C6 or aralkyl, NO2, NH2, NHR', NR'R', OH, OR, SH, SR, CN, CONH2, CSNH2, CO2H, CO2R', CH2CO2H, CH2CO2R', CH=CHR, CH2CH=CHR, or C=CR. R' and R' are same or different, and lower alkyl of C1-C6. R13 is hydrogen, alkyl, acyl, phosphate (monophosphate, diphosphate, triphosphate, or stabilized phosphate) or silyl.