NOVEL PROCESS FOR PREPARATION OF CLONIDINE DERIVATIVES
申请人:ALCON LABORATORIES, INC.
公开号:EP0693055B1
公开(公告)日:1997-05-21
US5684156A
申请人:——
公开号:US5684156A
公开(公告)日:1997-11-04
Process for preparation of clonidine derivatives
申请人:——
公开号:US05684156A1
公开(公告)日:1997-11-04
A novel process for preparing clonidine derivatives has been discovered which is shorter, less expensive and safer than previously known methods. A new thiourea complex has also been discovered which can be directly cyclized to produce the corresponding heterocyclic product.