PREPARATION OF AMPHETAMINES FROM PHENYLPROPANOLAMINES
申请人:Boehringer Ingelheim Chemicals, Inc.
公开号:EP1442006B1
公开(公告)日:2005-08-24
US6399828B1
申请人:——
公开号:US6399828B1
公开(公告)日:2002-06-04
[EN] PREPARATION OF AMPHETAMINES FROM PHENYLPROPANOLAMINES<br/>[FR] PREPARATION D'AMPHETAMINES A PARTIR DE PHENYLPROPANOLAMINES
申请人:BOEHRINGER INGELHEIM CHEMICALS
公开号:WO2003037843A2
公开(公告)日:2003-05-08
A process for making an amphetamine from a phenylpropanolamine salt, the process comprising: (a) acylating the phenylpropanolamine salt with an acylating agent in a solvent at elevated temperature to make a reaction mixture containing an O-acylated phenylpropanolamine salt which can be isolated by the addition of a crystallization solvent, or optionally this mixture can be used in the next step; and (b) hydrogenating the O-acylated phenylpropanolamine salt to make the amphetamine in thepresence of a catalyst.