[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF RALTEGRAVIR<br/>[FR] PROCÉDÉ PERFECTIONNÉ POUR LA PRÉPARATION DE RALTÉGRAVIR
申请人:AUROBINDO PHARMA LTD
公开号:WO2016075605A1
公开(公告)日:2016-05-19
The present invention provides a process for the preparation of crystalline anhydrous compound of Formula (X), Further, the present invention relates to the use of compound of Formula (X) preparation of Raltegravir (I) or its pharmaceutically acceptable salt thereof.
Potassium salts of Compound A and methods for their preparation are disclosed, wherein Compound A is of formula:
Compound A is an HIV integrase inhibitor useful for treating or prophylaxis of HIV infection, for delaying the onset of AIDS, and for treating or prophylaxis of AIDS.
Development of a Second-Generation, Highly Efficient Manufacturing Route for the HIV Integrase Inhibitor Raltegravir Potassium
作者:Guy R. Humphrey、Philip J. Pye、Yong-Li Zhong、Remy Angelaud、David Askin、Kevin M. Belyk、Peter E. Maligres、Danny E. Mancheno、Ross A. Miller、Robert A. Reamer、Steven A. Weissman
DOI:10.1021/op100257r
日期:2011.1.21
and environmental impact issues of the initial synthesis. Highlights of the newsynthesis include a highly selective methylation, 3−4-fold higher productivity, and a 65% reduction of combined organic and aqueous waste produced. The efficient second-generation manufacturing route provides raltegravir potassium 1 in 35% overall yield.
Novel solid forms of Raltegravir potassium comprising the active ingredient N-[2-[(4Z)-4-[[(4-fluorophenyl)methylamino]-hydroxymethylidene]-1-methyl-5,6-dioxopyrimidin-2-yl]propan-2-yl]-5-methyl-1,3,4-oxadiazole-2-carboxamide as potassium salt co-crystal with cyclamic acid, saccharin, stearic acid or succinic acid. The multi-component crystalline forms show improved properties such as dissolution kinetic and hydration stability.
[EN] PROCESSES FOR PREPARING RALTEGRAVIR AND INTERMEDIATES IN THE PROCESSES<br/>[FR] PROCÉDÉS DE PRÉPARATION DU RALTÉGRAVIR ET DE SES INTERMÉDIAIRES DANS LESDITS PROCÉDÉS
申请人:ASSIA CHEM IND LTD
公开号:WO2012103105A1
公开(公告)日:2012-08-02
The present invention provides a process for preparing benzyl-2-(4-(4- fluorobenzylcarbamoyl)-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)propan-2- ylcarbamate (RLT-8), a process for preparing Raltegravir via RLT-8, a process for preparing methyl 2-(2-(benzyloxycarbonylamino)propan-2-yl)-5 -hydroxy-1-methyl-6- oxo-1,6-dihydropyrimidine-4-carboxylate (RLT-7'), a process for preparing Raltegravir via RLT-7', and a process for preparing crystalline form V of Raltegravir potassium.