申请人:Miculka Christian
公开号:US20090221793A1
公开(公告)日:2009-09-03
The invention relates to a process for preparing a conjugate that includes a pentopyranosyl nucleic acid and a biomolecule. The process includes the steps of providing a pentopyranosyl nucleic acid having at least two pentopyranosyl nucleotide subunits that are covalently linked between carbon 4 and carbon 2 of their respective pentopyranosyl rings. The pentopyranosyl nucleic acid also has an electrophilic reactive group. A biomolecule having a nucleophilic reactive group is also provided. The electrophilic reactive group of the pentopyranosyl nucleic acid and the nucleophilic reactive group of the biomolecule are reacted to form a covalent bond.
本发明涉及一种制备包括五碳糖核酸和生物分子的共轭物的方法。该方法包括以下步骤:提供一种具有至少两个五碳糖核苷酸亚基的五碳糖核酸,这些亚基在它们各自的五碳糖环的碳4和碳2之间共价键结合。五碳糖核酸还具有一个亲电反应基团。同时提供一种具有亲核反应基团的生物分子。将五碳糖核酸的亲电反应基团和生物分子的亲核反应基团反应以形成共价键。