[EN] (R)-6-(DIMETHYLAMINO)-4,4-DIPHENYLHEPTAN-3-ONE<br/>[FR] (R)-6-(DIMÉTHYLAMINO)-4,4-DIPHÉNYLHEPTAN-3-ONE
申请人:UNIV SAINS MALAYSIA
公开号:WO2013077720A1
公开(公告)日:2013-05-30
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.
生产美沙酮及其分辨率以生产(R)-6-二甲氨基-4,4-二苯基庚酮((R)-美沙酮)的方法。这些方法首先生产前体化合物4-(二甲基氨基)-2,2-二苯基戊腈。将4-(二甲基氨基)-2,2-二苯基戊腈与乙基镁卤化物氧化,然后水解该复合物形成6-二甲氨基-4,4-二苯基庚酮。通过与溴樟脑盐反应来实现(R)-异构体的分辨。一旦分离,(R)-异构体会结晶。