Asymmetric synthesis of substituted dihydrobenzofurans
申请人:Gontcharov V. Alexander
公开号:US20060111438A1
公开(公告)日:2006-05-25
The present invention concerns production of a compound of the formula
or a pharmaceutically acceptable salt thereof by a process which utilizes the cyclization of a compound of the formula:
where Ar, Y, R
1
, R
y
, R
2
, and m are as defined herein.