开发了一种化学酶促策略,用于从新分离的Rhodosporidium toruloides的羰基还原酶到对映体确定步骤中生产(S)-度洛西汀。在大肠杆菌中鉴定,克隆和过表达的十种最宽松的酶中,Rt SCR9表现出出色的活性和对映选择性。使用共表达的大肠杆菌窝藏既保留时间SCR9和葡糖脱氢酶,(小号)-3-(二甲基氨基)-1-(2-噻吩基)-1-丙醇3A与迄今为止最高衬底装载(1000毫米)制造每克生物质(DCW)的时空产量为22.9 mmol L -1 h -1200克规模的 g DCW -1。进一步进行了由Rt SCR9催化的(S)-3a进行的后续合成步骤,从> 98.5%ee的2-乙酰乙基噻吩中得到(S)-度洛西汀的总产率为60.2%。
开发了一种化学酶促策略,用于从新分离的Rhodosporidium toruloides的羰基还原酶到对映体确定步骤中生产(S)-度洛西汀。在大肠杆菌中鉴定,克隆和过表达的十种最宽松的酶中,Rt SCR9表现出出色的活性和对映选择性。使用共表达的大肠杆菌窝藏既保留时间SCR9和葡糖脱氢酶,(小号)-3-(二甲基氨基)-1-(2-噻吩基)-1-丙醇3A与迄今为止最高衬底装载(1000毫米)制造每克生物质(DCW)的时空产量为22.9 mmol L -1 h -1200克规模的 g DCW -1。进一步进行了由Rt SCR9催化的(S)-3a进行的后续合成步骤,从> 98.5%ee的2-乙酰乙基噻吩中得到(S)-度洛西汀的总产率为60.2%。
PROCESS FOR THE PREPARATION ENANTIOMERICALLY PURE SALTS OF N-METHYL-3-(1-NAPHTHALENEOXY)-3-(2-THIENYL)PROPANAMINE
申请人:Biswas Sujoy
公开号:US20100280093A1
公开(公告)日:2010-11-04
The present invention relates to duloxetine salts having enantiomeric purity of 98% or more and a process for such salts.
本发明涉及具有98%或更高对映纯度的度洛西汀盐及其制备方法。
SYNTHESIS AND PREPARATIONS OF DULOXETINE SALTS
申请人:Winter Stephen Benedict David
公开号:US20090093645A1
公开(公告)日:2009-04-09
The invention relates to an improved process for the preparation of duloxetine hydrochloride.
本发明涉及一种改进的制备度洛西汀盐酸盐的工艺。
[EN] NOVEL PROCESS FOR PREPARATION OF DULOXETINE AND INTERMEDIATES FOR USE THEREIN<br/>[FR] NOUVEAU PROCÉDÉ DE PRÉPARATION DE DULOXÉTINE ET INTERMÉDIAIRES POUR L'UTILISER
申请人:ARCH PHARMALABS LTD
公开号:WO2009109992A1
公开(公告)日:2009-09-11
A novel process for the preparation of substantially (S)-(+)-N-methyl-3-(l-naphthalenyloxy)- 3-(2-thiophenyl) propanamine hydrochloride comprising formation of lewis acid salt of (S)- (+)-N-methyl-3-(l-naphthalenyloxy)-3-(2-thiophenyl) propanamine and (S)-(+)-N,N- dimethyl-3-(l-naphthalenyloxy)-3-(2-thiophenyl) propanamine to remove the R isomer of (S)-(+)-N-methyl-3-(l-naphthalenyloxy)-3-(2-thiophenyl) propanamine and (S)-(+)-N,N- dimethyl-3-(l-naphthalenyloxy)-3-(2-thiophenyl) propanamine avoiding removing R isomer impurity without resolution through formation of chiral salt.
METHOD FOR THE PREPARATION OF DULOXETINE HYDROCHLORIDE
申请人:Siripragada Mahender Rao
公开号:US20100267968A1
公开(公告)日:2010-10-21
The present invention relates to an improved process for the preparation of Duloxetine and its intermediates (S)-(+)-N,N-dimethyl-3-(1-naphthalenyloxy)-3-(2-thienyl)propanamine by reacting (S)-(+)-N,N-dimethyl-3-(2-thienyl)-3-hydroxypropanamine with 1-fluoronaphthalene in the presence of a base; wherein the improvement lies in conducting the reaction in the absence of solvent.