-
1.
公开(公告)号:WO2013077720A1
公开(公告)日:2013-05-30
申请号:PCT/MY2012/000034
申请日:2012-02-28
发明人: ISMAIL, Rusli , ALI, Asaraf , TAN, Soo Choon
IPC分类号: C07C221/00 , C07C225/10 , C07C253/30
CPC分类号: C07C221/00 , C07B2200/07 , C07C225/16 , C07C253/30 , C07C253/34 , C07C255/42
摘要: Methods for producing methadone and its resolution to produce ( R )-6-dimethylamino-4,4-diphenylheptan-3-one (( R )- methadone). Such methods producing first the precursor compound 4-(dimethylamino)-2,2-diphenylpentanitrile. Oxidation of 4-(dimethylamino)-2,2-diphenylpentanitrile with ethyl magnesium halide and hydrolysis with of the complex to form 6-dimethylamino-4,4-diphenylheptan-3-one. Resolution to the ( R )-isomer is effected by reaction with a bromocamphor salt. Once isolated the ( R )-isomer is crystallised.
摘要翻译: 生产(R)-6-二甲基氨基-4,4-二苯基庚-3-酮((R) - 美沙酮)的美沙酮生产方法及其拆分方法。 这种方法首先产生前体化合物4-(二甲基氨基)-2,2-二苯基戊腈。 用乙基卤化镁氧化4-(二甲基氨基)-2,2-二苯基戊腈,用络合物水解形成6-二甲氨基-4,4-二苯基庚-3-酮。 通过与溴樟脑盐反应来实现对(R) - 异构体的拆分。 一旦分离,(R) - 异构体结晶。