The invention comprises a process for the preparation of therapeutically valuable GalNAc cluster oligonucleotide conjugates. The process comprises the coupling of an alkali metal salt, earth alkali metal salt or a tetraalkylammonium salt of an oligonucleotide with a GalNAc cluster compound or with a salt thereof and a subsequent purification.
这项发明涉及一种制备具有治疗价值的GalNAc簇寡核苷酸共轭物的过程。该过程包括将寡核苷酸的碱
金属盐、碱土
金属盐或四烷基
铵盐与GalNAc簇化合物或其盐偶联,然后进行纯化。