西酞普兰置于氯甲酸氯甲酯,甲醇,氨体系中,用 1,2-二氯乙烷,水 作为反应溶剂,化学反应生成 1-(4-氟苯基)-1,3-二氢-1-[3-(甲基氨基)丙基]异苯并呋喃-5-甲腈 参考文献:Process For The Preparation Of Escitalopram 标题:Process For The Preparation Of Escitalopram 摘要:该发明涉及一种用于制备艾司西酞普兰的新工艺,包括:(II)去甲基化(+/-)-1-[3-(二甲氨基)丙基]-1-(4-氟苯基)-1,3-二氢-5-异苯并呋喃碳腈(式ii)(西酞普兰)以产生(+/-)-1-[3-(甲基氨基)丙基]-1-(4-氟苯基)-1,3-二氢-5-异苯并呋喃碳腈(去甲基西酞普兰)(xii),(Iii)分离纯的去甲基西酞普兰(xii),(Iv)用旋光酸将对映体从纯的去甲基西酞普兰(xii)中分离出来,得到(S)-(+)-1-[3-(甲基氨基)丙基]-1-(4-氟苯基)-1,3-二氢-5-异苯并呋喃碳腈((S)-(+)-去甲基西酞普兰)(xiii),(V)使用适当的甲基化剂对对映体纯化合物(xiii)进行甲基化,以产生艾司西酞普兰(i).
专利号:WO-03042202-A1 优先权日:2001-11-13 标 题 :Isobenzofuran derivatives 发明人:KUMAR YATENDRA; ARYAN RAM CHANDER; BHUSHAN KUMAR HARI 权利人:RANBAXY LAB LTD; KUMAR YATENDRA; ARYAN RAM CHANDER; BHUSHAN KUMAR HARI 摘要:The present invention relates to certain isobenzofuran derivatives and to a process for the synthesis of the same. The compounds of the present invention are analogs of a well known potent anti-depressant drug citalopram and hold promise to have anti-depressant activity. The invention also relates to pharmaceutical compositions containing the compounds of the present invention as potential anti-depressants.
1: Ozbey G, Yucel B, Bodur NE, Taycan SE, Arslan T, Cerit N, Yuksel N, Guzey IC, Uluoglu C. Serum N-Desmethylcitalopram Concentrations are Associated with the Clinical Response to Citalopram of Patients with Major Depression. Psychiatry Investig. 2018 Mar;15(3):313-319. doi: 10.30773/pi.2017.05.22. Epub 2018 Feb 22. 2: von Moltke LL, Greenblatt DJ, Grassi JM, Granda BW, Venkatakrishnan K, Duan SX, Fogelman SM, Harmatz JS, Shader RI. Citalopram and desmethylcitalopram in vitro: human cytochromes mediating transformation, and cytochrome inhibitory effects. Biol Psychiatry. 1999 Sep 15;46(6):839-49. doi: 10.1016/s0006-3223(98)00353-9. 43(1):99-109. doi: 10.1007/s10928-015-9457-6. Epub 2015 Nov 26. 4: Dziurkowska E, Wesolowski M. Simultaneous Quantification of Citalopram and its Main Metabolite, Desmethylcitalopram, in Human Saliva by UHPLC. Curr Anal Chem. 2018 Dec;14(6):554-561. doi: 10.2174/1573411013666171113144352.
合成参考文献
参考文献:10.1159/000121595 摘要:Sattin A, Pekary AE, Blood J. Escitalopram regulates expression of TRH and TRH-like peptides in rat brain and peripheral tissues. Neuroendocrinology. 2008;88(2):135–46. doi: 10.1159/000121595. 参考文献:10.1016/j.chroma.2005.08.059 摘要:Wille SM, Maudens KE, Van Peteghem CH, Lambert WE. Development of a solid phase extraction for 13 'new' generation antidepressants and their active metabolites for gas chromatographic-mass spectrometric analysis. J Chromatogr A. 2005 Dec 09;1098(1-2):19–29. doi: 10.1016/j.chroma.2005.08.059.