发明申请
US20060100439A1 Process for the preparation of modification I of n-(1-methylethylaminocarbonyl)-4-(3-methylphenylamino)-3-pyridinesulfonamide 审中-公开
制备n-(1-甲基乙基氨基羰基)-4-(3-甲基苯基氨基)-3-吡啶磺酰胺的改性I的方法

Process for the preparation of modification I of n-(1-methylethylaminocarbonyl)-4-(3-methylphenylamino)-3-pyridinesulfonamide
摘要:
The invention relates to a new process for the preparation of modification I of torasemide by precipitation with acids from an alkaline extract of the original reaction mixture of the last phase in the synthesis of torasemide.
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