合成目标产物 (S)-(+)-N,N-Dimethyl-3-(1-Naphthalenyloxy)-3-(2-Thienyl)Propanamine 主要起始原料 1-Fluoronaphthalene And (S)-(-)-N,N-Dimethyl-3-Hydroxy-3-(2-Thienyl)Propanamine
132335-44-5 + 321-38-0 = 132335-46-7 + 878757-08-5 反应条件:1.1 Reagents: Sodium Hydride Solvents: Sulfolane; Rt -> 80 °C; 1 H,80 °C1.2 80 °C -> 100 °C; 16 H,100 °C; 100 °C -> 5 °C1.3 Reagents: Hydrochloric Acid Solvents: Toluene,Water; 10 Min,5 °C1.4 Reagents: Hydrochloric Acid Solvents: Water; Ph 2 - 2.31.5 Reagents: Sodium Hydroxide; Ph 11 标题:An Improved Process For The Preparation Of (S)-(+)-N-Methyl-3-(1-Naphthalenyloxy)-3-(2-Thenyl)Propanamine And Its Intermediate 作者:Anonymous 参考文献:Ip.Com Journal 日期:2008 卷标:8
(2R,3R)-2,3-Bis[(4-Methylbenzoyl)Oxy]Butanedioic Acid;(3S)-N,N-Dimethyl-3-Naphthalen-1-Yloxy-3-Thiophen-2-Ylpropan-1-Amine置于氨体系中,用 水,甲苯 用作溶剂,化学反应 0.5H,反应生成S-(+)-N,N-二甲基-3-(1-萘氧基)-3-(2-噻吩)-丙胺 参考文献: A Process For Preparation Of An Antidepressant Compound[fr] Procede De Preparation D'Un Compose Antidepresseur 标题: A Process For Preparation Of An Antidepressant Compound[fr] Procede De Preparation D'Un Compose Antidepresseur
专利号:US-2004249170-A1 优先权日:2002-01-24 标 题 :Process for preparing an intermediate useful for the asymmetric synthesis of duloxetine 发明人:BORGHESE ALFIO 摘要:This invention provides a process for the synthesis of(S)-3-Methylamino-1-2-thienyl)-1-propanol, a key intermediate in the synthesis of duloxetine.
专利号:US-5491243-A 优先权日:1993-10-12 标题 :Intermediate useful for the asymmetric synthesis of duloxetine 发明人:BERGLUND RICHARD A 权利人:LILLY CO ELI 摘要:This invention provides a stereospecific process for the synthesis of (S)-(+)-N,N-dimethyl-3-(1-naphthalenyloxy)-3-(2-thienyl)propanamine, a key intermediate in the synthesis of duloxetine.
专利号:US-7538232-B2 优先权日:2006-01-19 标 题 :Process for the asymmetric synthesis of duloxetine 发明人:BUTCHKO MARK ANTHONY; MERSCHAERT ALAIN; MODER KENNETH PHILIP 权利人:LILLY CO ELI 摘要:This invention provides an improved asymmetric process for the synthesis of duloxetine involving arylation of Compounds of Formula I.
专利号:US-8269023-B2 优先权日:2007-03-05 标题 :Process for preparation of duloxetine hydrochloride 发明人:SIYAN RAJINDER SINGH; GOHEL SUNIL KUMAR VINUBHAI; SINGH GIRIJ PAL 权利人:SIYAN RAJINDER SINGH; GOHEL SUNIL KUMAR VINUBHAI; SINGH GIRIJ PAL; LUPIN LTD 摘要:An improved process for synthesis of duloxetine hydrochloride (1) having chiral purity greater than 99.9% that is characterized by the following:n (i) preparation of racemic condensed compound (RS)—N,N-di methyl-3-(1-naphthyloxy)-3-(2-thienyl)propanamine (4) by reaction of racemic hydroxy compound (2) with 1-fluoronaphthalene (3) in presence of a base such as sodamide, potassium amide or potassium bis(trimethylsilyl)amide (KHDMS) in polar aprotic solvent, (ii) optical resolution of racemic condensed compound (5a+5b) with di-benzoyl-L-tartaric acid (7, DBTA, R=H) or di-para-anisoyl-L-tartaric acid (7, DATA, R=OCH 3 ) to obtain crude (S)—N.N-dimethyl-3-(1-naphthyloxy)-3-(2-thienyl)propanamine dibenzoyl tartarate salt (8a) or (S)—N.N-dimethyl-3-(1-naphthyloxy)-3-(2-thienyl)propanamine di-p-anisoyl tartarate salt (9a) respectively, (iii) optionally purification of crude tartarate salts (8a or 9a) by crystallization, (iv) optionally purification of duloxetine hydrochloride (1) by crystallization and (v) racemization of undesired (R)—N,N-di methyl-3-(1-naphthyloxy)-3-(2-thienyl)propanamine (5b) by treatment with base potassium bis(trimethylsilyl)amide (KHDMS) to obtain racemic mixture of condensed compounds (5a and 5b).
专利号:US-2005171360-A1 优先权日:2002-02-22 标题:Preparation of n-methyl-3-hydroxy- 3-(2-thienyl)propylamine via novel thiophene derivatives containing carbamate groups as intermediates 发明人:REICHERT DIETMAR; ALMENA PEREA JUAN J; SCHWARM MICHAEL; DRAUZ KARLHEINZ; KRIMMER HANS-PETER 摘要:A novel route is described for the synthesis of N-methyl-3-hydroxy-3-(2-thienyl)propylamine IV, which can be used as a starting compound for the preparation of duloxetine. N-methyl-3-hydroxy-3-(2-thienyl)propylamine is synthesized via novel thiophene derivatives containing carbamate groups, I and IIa, as intermediates.
专利号:EP-1857451-B1 优先权日:2006-05-05 标 题:A process for the preparation of an intermediate useful for the asymmetric synthesis of (+)duloxetine 发明人:POGGIALI ANDREA; PIZZOCARO FRANCESCO; TUBERTINI PAOLO 权利人:FIDIA FARMACEUTICI 摘要:A process for the preparation of (+)duloxetine, or an acid addition salt thereof, comprising: n(i) Resolving racemic (±)N-methyl duloxetine with a less than stoichiometric amount of a chiral acid in combination with suitable amounts of a hydrohalogen acid to give a salt of the chiral acid and (+)N-methyl duloxetine, substantially free from (-)N-methyl duloxetine; n(ii) Demethylating the (+)N-methyl duloxetine prepared in step (i) to give (+)duloxetine or another acid addition salt in enantiomerically pure form.