申请人:Conde Jose J.
公开号:US09243003B2
公开(公告)日:2016-01-26
The present invention is a process comprising contacting a compound of formula 6:
or a pharmaceutically acceptable salt thereof;
with a deprotecting reagent to form a compound of formula A:
or a pharmaceutically acceptable salt thereof;
where R is H or OR1; R1 and each R1′ are protecting groups; R1″ is H or OH, and n is 0, 1, 2, 3, 4 , or 5.
本发明是一种过程,包括将式6的化合物或其药学上可接受的盐与去保护试剂接触,形成式A的化合物或其药学上可接受的盐;其中,R为H或OR1;R1和每个R1'为保护基;R1"为H或OH,n为0、1、2、3、4或5。