[EN] METHOD FOR THE PREPARATION OF DIARYLISOXAZOLE SULFONAMIDE COMPOUNDS AND INTERMEDIATES<br/>[FR] PROCEDES DESTINES LA PREPARATION D'UN COMPOSE DE DIARYLISOXAZOLE SULFONAMIDE ET D'INTERMEDIAIRES
申请人:PHARMACIA CORP
公开号:WO2005123701A1
公开(公告)日:2005-12-29
The disclosure provides a method for the preparation of a diarylisoxazolé sulfonamide compound comprising contacting a deoxybenzoin with a secondary amine to form a diarylenamine compound; contacting the diarylenamine compound with an acetylating agent to form an acetyl diarylenamine compound; contacting the acetyl diarylenamine compound with a source of hydroxylamine to form an diaryl isoxazolol compound; eliminating water from the diaryl isoxazolol compound to form a diaryl isoxazole compound, chlorosulfonating the diarylisoxazole compound to form a chlorosulfonyl diaryl isoxazole compound; and contacting the chlorosulfonyl diaryl isoxazole compound with a source of ammonia to form the diarylisoxazole sulfonamide compound.
该公开提供了一种制备二芳基异噁唑磺胺化合物的方法,包括将脱氧苯并与二级胺接触以形成二芳胺化合物;将二芳胺化合物与乙酰化剂接触以形成乙酰二芳胺化合物;将乙酰二芳胺化合物与羟胺源接触以形成二芳异噁唑醇化合物;从二芳异噁唑醇化合物中除去水分以形成二芳异噁唑化合物,将二芳异噁唑化合物氯磺化以形成氯磺基二芳异噁唑化合物;并将氯磺基二芳异噁唑化合物与氨源接触以形成二芳异噁唑磺胺化合物。