[EN] PROCESSES FOR THE MANUFACTURE OF 3-{4-METHYL-5- [ (IR) -1- (2- (3-METHYLPHENYL) -2H-TETRAZOL-5-YL) -ETHOXY] -4H- [1,2, 4] TRIAZOL-3-YL} -PYRIDINE, 4-METHYL-3-METHYLTHIO-5- (3- PYRIDYL)-L,2,4-TRIAZOLE, AND (IR) -1- [2- (3-METHYLPHENYL) -2H- TETRAZOL-5<br/>[FR] NOUVEAU PROCÉDÉ 447
申请人:ASTRAZENECA AB
公开号:WO2010071559A1
公开(公告)日:2010-06-24
The present invention provides a process for the manufacture of the compound 3-4-methyl-5-[(1R)-1-(2-(3-methylphenyl-2H-tetrazol-5-yl)-ethoxy]-4H-[1,2,4]triazol-3-yl}-pyridine of formula 14 wherein a) the compound 3-(5-methanesulfonyl-4-methyl-4H-1,2,4-triazol-3-yl)-pyridine of formula 6 and the compound (1R)-1-[2-(3-methylphenyl)-2H-tetrazol-5-yl] ethanol of formula 13 are dissolved in an aprotic solvent, whereafter an alkoxide base is added, providing the compound of formula 14. The invention also provides methods for manufacturing 3-(5-methanesulfonyl-4-methyl- 4H-1,2,4-triazol-3-yl)-pyridine and (1R)-1-[2-(3-methylphenyl)-2H-tetrazol-5-yl] ethanol.
本发明提供了一种制备化合物3-4-甲基-5-[(1R)-1-(2-(3-甲基苯基-2H-四唑-5-基)-乙氧基)-4H-[1,2,4]三唑-3-基}-吡啶的方法,其中a) 化合物3-(5-甲磺酰基-4-甲基-4H-1,2,4-三唑-3-基)-吡啶的化合物和化合物(1R)-1-[2-(3-甲基苯基)-2H-四唑-5-基]乙醇溶解在无极性溶剂中,然后加入烷氧基碱,得到化合物14的方法。该发明还提供了制备3-(5-甲磺酰基-4-甲基-4H-1,2,4-三唑-3-基)-吡啶和(1R)-1-[2-(3-甲基苯基)-2H-四唑-5-基]乙醇的方法。