专利号:US-2013261308-A1 优先权日:2012-03-29 标题 :One-pot process for the synthesis of iloperidone 发明人:BETTONI PIERGIORGIO; ROLETTO JACOPO; PAISSONI PAOLO 权利人:PROCOS SPA 摘要:Disclosed is a process for the synthesis of iloperidone starting from 4-hydroxy-3-methoxy acetophenone (acetovanillone), 1-chloro-3-bromo propane and 6-fluoro-3-(4-piperidinyl)-1,2-benzisoxazole hydrochloride, using a one-pot method. n n n n n n n n n n Said process is performed without any intermediate isolation, and is particularly advantageous from the environmental standpoint and in terms of yields, productivity and the purity of the product obtained, both in the reaction mixture and in the crystal isolated.
专利号:EP-2454256-B1 优先权日:2009-07-13 标题 :Process for the synthesis of paliperidone 发明人:RUZIC MILOS; PECAVAR ANICA; PRUDIC DARJA; PLAPER IGOR; KLOBCAR ANDREJ; PLEVNIK MIHA; HVALA JERNEJ 权利人:KRKA D D NOVO MESTO 摘要:The invention describes an improved process for the synthesis and purification of paliperidone.
专利号:US-2011087024-A1 优先权日:2008-04-21 标题:process for the preparation of paliperidone intermediates 发明人:PRABAHAR KOILPILLAI JOSEPH; KULKARNI PRAVIN BHALCHANDRA; KELKAR LAXMIKANT MADHUKAR; KALE SANJAY ANANTHA; POTDAR SHASHANK GOPAL; NARWADE KRISHNA BABAN; KHAN MUBEEN AHMED; THORAT JITENDRA RAMAKANT 权利人:GLENMARK HOUSE 摘要:The present invention relates to a process for the preparation of 3-(2-chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrrido[1,2-a]-pyrimidin-4-one; and its use in the synthesis of paliperidone.
专利号:US-8940749-B2 优先权日:2011-05-31 标题:Preparation of 3-[2-[4-((6-fluoro-1, 2-benzisoxazol-3-yl)-l-piperidinyl)-6, 7, 8, 9-tetrahydor-9-hydroxy-2-methyl-4H-pyrido[ 1, 2-A]-pyrimidin-4-one(paliperidone) and paliperidone palmitate 发明人:DAVULURI RAMAMOHAN RAO; PONNAIAH RAVI; NEELA PRAVEEN KUMAR; BATTHINI GURUSWAMY; VENKATA NARASIMHARAO TELAGAREDDY; RAVANABABU KOSIREDDY; SUDHEER KALLEPALLY 权利人:DAVULURI RAMAMOHAN RAO; PONNAIAH RAVI; NEELA PRAVEEN KUMAR; BATTHINI GURUSWAMY; VENKATA NARASIMHARAO TELAGAREDDY; RAVANABABU KOSIREDDY; SUDHEER KALLEPALLY 摘要:An improved process for the synthesis of 3-[2-[4-((6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]-pyrimidin-4-one (Paliperidone) and Paliperidone Palmitate through a novel intermediate (2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-9-hydroxy-4H-pyrido [1,2-a]pyrimidine-4-one Palmitate ester.
专利号:WO-2010003702-A9 优先权日:2008-07-11 标题:Synthesis of paliperidone
专利号:US-5663449-A 优先权日:1989-05-19 标 题 :Intermediate compounds in the synthesis of heteroarylpiperidines, pyrrolidines and piperazines