[EN] SUBSTITUTED PIXYL PROTECTING GROUPS FOR OLIGONUCLEOTIDE SYNTHESIS<br/>[FR] GROUPES SUBSTITUES DE PROTECTION DE PIXYLE DESTINES A UNE SYNTHESE D'OLIGONUCLEOTIDES
申请人:ISIS PHARMACEUTICALS INC
公开号:WO2005077966A1
公开(公告)日:2005-08-25
The present invention describes an improved hydroxyl protecting group of formula (1), wherein R2 and R7 are specified substituents and Q is O, S, NR10 or N(C=O)R10.