专利号:WO-2010001407-A8 优先权日:2008-06-05 标 题 :Synthesis of 11-(4-[2-(2-hydroxyethoxy)ethyl]- piperazinyl)dibenzo[b,f][1,4]thiazepine and its fumarate salt 发明人:REDDY REGURI BUCHIR; RAY PURNA CHANDRA; REDDY GHANTA MAHESH; SATYANARAYANA KURMA KOTA; NAGARAJU PERUMANDLA; VANAJARANI NALLAMOTHU 权利人:INOGENT LAB PRIVATE LTD; REDDY REGURI BUCHIR; RAY PURNA CHANDRA; REDDY GHANTA MAHESH; SATYANARAYANA KURMA KOTA; NAGARAJU PERUMANDLA; VANAJARANI NALLAMOTHU 摘要:This invention broadly relates to a method for synthesizing ll-(4-[2-(2- hydroxyethoxy)ethyl]-piperazinyl)-dibenzo[b,f][l,4]thiazepine hemifumarate salt (Quetiapine hemifumarate) and the intermediate 11- piperazinyldibenzo[b,f][l,4]thiazepine dihydrochloride using phosphorous oxychloride in presence of non-aromatic solvent and condensing with piperazine.
专利号:WO-2010001407-A2 优先权日:2008-06-05 标 题:Synthesis of 11-(4-[2-(2-hydroxyethoxy)ethyl]- piperazinyl)dibenzo[b,f][1,4]thiazepine and its fumarate salt
专利号:US-2008241949-A1 优先权日:2007-03-29 标 题 :Process for preparing quetiapine fumarate 发明人:KANSAL VINOD KUMAR; AHMAD SUHAIL; LAL KANHAIYA; PATIL BHATU TUMBA 权利人:KANSAL VINOD KUMAR; AHMAD SUHAIL; LAL KANHAIYA; PATIL BHATU TUMBA 摘要:Provided is an improved synthesis of quetiapine and pharmaceutically acceptable salts.
专利号:WO-2010001407-A3 优先权日:2008-06-05 标题:Synthesis of ll-(4-[2-(2-hydroxyethoxy)ethyl]- piperazinyl)dibenzo[b,f][1,4]thiazepine and its fumarate salt
1: Kim DH, Park KS, Park SH, Hahn SJ, Choi JS. Norquetiapine blocks the human cardiac sodium channel Nav1.5 in a state-dependent manner. Eur J Pharmacol. 2020 Oct 15;885:173532. doi: 10.1016/j.ejphar.2020.173532. Epub 2020 Sep 1. 664:66-73. doi: 10.1016/j.neulet.2017.11.029. Epub 2017 Nov 11. 13:886. doi: 10.3389/fnins.2019.00886.