Method for preparing 7,8-dichloro-1,2,3,4-tetrahydroisoquinoline
申请人:SmithKline Corporation
公开号:US04200754A1
公开(公告)日:1980-04-29
A novel process for preparing 7,8-dichloro-1,2,3,4-tetrahydroisoquinoline by cyclizing N-acetyl-2,3-dichlorobenzylaminoacetaldehyde dimethyl acetal with a Lewis acid, reducing, and hydrolyzing the resulting acylated isoquinoline is disclosed.