CAS: 51498-37-4; 4-Hydroxypyridine-3-Sulfonic Acid

相似化合物

636-73-7 15521-77-4 4808-69-9

4-羟基吡啶 反应生成 4-羟基吡啶-3-磺酸
参考文献:Delarge,J.,Arzneim.-Forsch.,38,(1988) N 1A,144-150
标题:Delarge,J.,Arzneim.-Forsch.,38,(1988) N 1A,144-150

专利信息

专利号:EP-1532112-B1
优先权日:2002-07-19
标 题 :Process for the preparation of modification i of n-(1-methylethylaminocarbonyl)-4-(3-methylphenylamino)-3-pyridinesulfonamide
发明人：FILIC DARKO; DUMIC MILJENKO; DANILOVSKI ALEKSANDAR; KLEPIC BOZENA; FISTRIC INES; MARINKOVIC MARINA; HORVAT-MIKULCIC JASNA
权利人:PLIVA HRVATSKA D O O
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.

专利号:US-6670478-B2
优先权日:2000-03-20
标题 :Process for preparing torsemide intermediate
发明人：KORDOVA MARCO
权利人:TEVA PHARMA
摘要:The present invention relates to new methods for the synthesis of torsemide and the torsemide synthetic intermediate, (3-sulfonylchloride-4-chloro)pyridine.

专利号:CN-118812425-A
优先权日:2023-04-17
标题:Synthesis method of 4-hydroxypyridine-3-sulfonic acid