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公开(公告)号:US06399788B1
公开(公告)日:2002-06-04
申请号:US09647353
申请日:2000-09-29
IPC分类号: C07D33364
CPC分类号: C07D333/68 , C07C213/02 , C07C2602/42 , C07C215/42
摘要: A process for preparing a compound having PGD2 antagonism represented by the formula (I), or a pharmaceutically acceptable salt or hydrate thereof, which process comprises reacting an amino alcohol of the formula (II) or its salt with a compound of the formula (III) or its reactive derivative, oxidizing the product with halo oxoacid in the presence of 2,2,6,6-tetramethylpiperidine-1-oxyls, reacting the product with an ylide under the conditions for Wittig reaction, and optionally deprotecting the product.
摘要翻译: 一种制备由式(I)表示的具有PGD 2拮抗作用的化合物或其药学上可接受的盐或水合物的方法,该方法包括使式(II)或其盐的氨基醇与式(III)的化合物反应 )或其反应性衍生物,在2,2,6,6-四甲基哌啶-1-氧基存在下用卤代含氧酸氧化产物,在Wittig反应条件下使产物与叶立德反应,并任选地使产物脱保护。