申请人:Conde Jose J.
公开号:US20130035501A1
公开(公告)日:2013-02-07
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 OR
1
; R
1
and each R
1
′ are protecting groups; R
1
″ is H or OH, and n is 0, 1, 2, 3, 4, or 5.
本发明涉及一种过程,包括将式6的化合物或其药用可接受盐与去保护试剂接触,形成式A的化合物或其药用可接受盐;其中R为H或OR1;R1和每个R1'均为保护基;R1"为H或OH,n为0、1、2、3、4或5。