Process for the scalable synthesis of 1,3,4,9-tetrahydropyrano[3,4-b]-indole derivatives
申请人:Chew Warren
公开号:US20060058532A1
公开(公告)日:2006-03-16
The invention is directed to a process of synthesizing compounds of formula (VI):
wherein R
1-
R
9
, R
3′
, R
4′
and Y are as set forth in the specification, and said method is useful for large scale synthesis thereof. The invention is also directed to useful intermediates for synthesizing the compounds of formula (VI) and processes of preparing said intermediates.