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公开(公告)号:US4668800A
公开(公告)日:1987-05-26
申请号:US708204
申请日:1985-03-04
申请人: Willy Meyer , Werner F/o/ ry , Werner T/o/ pfl
发明人: Willy Meyer , Werner F/o/ ry , Werner T/o/ pfl
IPC分类号: C07D251/16 , A01N47/36 , C07C67/00 , C07C301/00 , C07C303/36 , C07C311/53 , C07C325/00 , C07C333/12 , C07D239/42 , C07D239/47 , C07D333/38 , C07D521/00 , C07D333/32 , C07C147/13 , C07C155/02 , C07D333/34
CPC分类号: C07D521/00 , C07D333/38
摘要: There is described a process for producing sulfonylureas of the formula ##STR1## wherein G is an unsubstituted or substituted furanyl, thienyl, pyrrolyl, pyridinyl or phenyl radical,X is alkyl, haloalkyl, alkoxy, alkylthio, halogen, haloalkoxy, alkylamino or dialkylamino,Y is alkyl, alkoxy or haloalkoxy,Z is a nitrogen atom or the methyne group --CH.dbd..This novel process comprises reacting a sulfonamide of the formulaG--SO.sub.2 --NH.sub.2,in the presence of a base, with a chloroformic acid ester of the formulaCl--CO--Q--T,or a sulfonyl chloride of the formulaG--SO.sub.2 Cl,in the presence of a base, with a urethane of the formulaH.sub.2 N--CO--Q--T;and converting the formed carbamate of the formulaG--SO.sub.2 --NH--CO--Q--Tby reaction with an amine of the formula ##STR2## into the sulfonylurea of the above formula. There are also described novel sulfonylcarbamates of the above formula as intermediates.
摘要翻译: 描述了一种制备式IMA的磺酰脲的方法,其中G是未取代或取代的呋喃基,噻吩基,吡咯基,吡啶基或苯基,X是烷基,卤代烷基,烷氧基,烷硫基,卤素,卤代烷氧基,烷基氨基或二烷基氨基, Y是烷基,烷氧基或卤代烷氧基,Z是氮原子或甲炔基-CH =。 该新方法包括使式G-SO 2 -NH 2的磺酰胺在碱的存在下与式Cl-CO-QT的氯甲酸酯或式G-SO 2 Cl的磺酰氯反应, 碱的存在与式H2N-CO-QT的氨基甲酸酯反应; 并且通过与下式的磺酰脲反应将式G-SO 2 -NH-CO-Q-T的所形成的氨基甲酸酯转化为式(I)所示的磺酰脲。 还描述了上述式的新型磺酰基氨基甲酸酯作为中间体。