CROSSLINKED NUCLEIC ACID GUNA, METHOD FOR PRODUCING SAME, AND INTERMEDIATE COMPOUND
申请人:MITSUBISHI TANABE PHARMA CORPORATION
公开号:US20180251488A1
公开(公告)日:2018-09-06
The present invention provides a method for producing guanidine crosslinked artificial nucleic acid (abbreviated hereinafter as GuNA), and an intermediate compound for the production thereof. Specifically, the present invention provides a method for producing a compound represented by general formula I: (in the formula, R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, m and ring A are as defined in the specification) or a salt thereof wherein a reducing agent is reacted with a compound represented by general formula II: (in the formula, R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, m, and ring A′ are as defined in the specification).
本发明提供了一种生产胍交联人工核酸(以下简称为GuNA)的方法,以及用于其生产的中间化合物。具体而言,本发明提供了一种生产由通式I表示的化合物的方法:(在该式中,R1、R2、R3、R4、R5、R6、m和环A如规范中定义)或其盐,其中还包括将还原剂与通式II表示的化合物发生反应的步骤:(在该式中,R1、R2、R3、R4、R5、R6、m和环A'如规范中定义)。