The present disclosure provides a method for the preparation of aromatic sulfonyl halides by contacting a substituted phenyl compound with a halosulfonic acid and trifluoroacetic acid. The present disclosure further provides a method for the preparation of 4-[5-methyl-3-phenylisoxazol-4-yl]benzenesulfonamide which is useful in treating cyclooxygenase-2 related disorders.
[EN] METHOD FOR PREPARING BENZENESULFONYL COMPOUNDS<br/>[FR] PROCEDE DE PREPARATION DE COMPOSES DE BENZENESULFONYLE
申请人:PHARMACIA CORP
公开号:WO2003029230A1
公开(公告)日:2003-04-10
The present disclosure provides a method for the preparation of aromatic sulfonyl halides by contacting a substituted phenyl compound with a halosulfonic acid and trifluoroacetic acid. The present disclosure further provides a method for the preparation of 4-[5-methyl-3-phenylisoxazol-4-yl]benzenesulfonamide which is useful in treating cyclooxygenase-2 related disorders.
[EN] LIQUID CHROMATOGRAPHY METHOD FOR DETECTING RELATED SUBSTANCES IN PARECOXIB SODIUM AND SYNTHETIC INTERMEDIATES THEREOF<br/>[FR] PROCÉDÉ DE CHROMATOGRAPHIE EN PHASE LIQUIDE POUR LA DÉTECTION DE SUBSTANCES APPARENTÉES DANS DU PARÉCOXIB SODIQUE ET DANS SES INTERMÉDIAIRES SYNTHÉTIQUES<br/>[ZH] 一种检测帕瑞昔布钠及合成中间体中有关物质的液相色谱方法
申请人:SHANGHAI PHARMA DONGYING JIANGSU PHARMACEUTICAL CO LTD