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公开(公告)号:US06541642B1
公开(公告)日:2003-04-01
申请号:US09937438
申请日:2001-09-26
IPC分类号: C07D26104
CPC分类号: C07D261/04
摘要: A process for the preparation of (E)-3-(1-propenyl)-2-isoxazoline, characterized by reacting crotonaldehyde with hydroxylamine to form an oxime, and then converting the oxime into a nitrile oxide while reacting the nitrile oxide with ethylene.
摘要翻译: (E)-3-(1-丙烯基)-2-异恶唑啉的制备方法,其特征在于使巴豆醛与羟胺反应形成肟,然后将肟转化为氧化腈,同时使腈氧化物与乙烯反应。
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公开(公告)号:US5110925A
公开(公告)日:1992-05-05
申请号:US427123
申请日:1989-10-04
IPC分类号: A61K31/50 , A61K31/502 , A61P1/04 , A61P3/08 , A61P7/02 , A61P9/00 , A61P9/04 , A61P9/12 , A61P11/08 , A61P35/00 , A61P43/00 , C07D237/04 , C07D237/14 , C07D237/26 , C07D237/36 , C07D491/04 , C07D491/052
CPC分类号: C07D491/04 , C07D237/04 , C07D237/14 , C07D237/36
摘要: The present invention relates to a compound having the formula below which have an excellent cardiotonic action: ##STR1## wherein Y represents C.sub.1-4 alkylene which may be substituted by C.sub.1-18 alkyl, C.sub.1-5 alkoxy, C.sub.1-5 alkylthio C.sub.1-5 alkyl, C.sub.1-5 alkoxycarbonyl or benzyl, or ##STR2## where each r.sup.1 and r.sup.2 represents hydrogen, C.sub.1-18 alkyl, C.sub.1-5 alkoxy, C.sub.1-5 alkylthio C.sub.1-5 alkyl, C.sub.1-5 alkoxycarbonyl or benzyl); andR.sub.1 represents hydrogen, C.sub.1-5 alkyl which may be substituted by C.sub.1-5 alkoxy, acetyl or C.sub.2-5 alkenyl; andR.sub.2 represents hydrogen or methyl; andeach R.sub.3 and R.sub.4 represents hydrogen, halogen, hydroxy, C.sub.1-5 alkyl, or C.sub.1-5 alkoxy; andR.sub.5 represents hydrogen or C.sub.1-5 alkyl which may be substituted by hydroxy; andR.sub.4 and R.sub.5 may form ring by joining each other; and represents single or double bond.
摘要翻译: PCT No.PCT / JP89 / 00127 Sec。 371日期:1989年10月4日 102(e)日期1989年10月4日PCT 1989年2月9日PCT PCT。 出版物WO89 / 07594 1989年8月24日。具有下式的化合物本发明涉及具有优异强心作用的下式的化合物:其中Y代表可被C 1-18烷基取代的C 1-4亚烷基,C 1-5烷氧基, C 1-5烷硫基C 1-5烷基,C 1-5烷氧基羰基或苄基,或其中每个r 1和r 2表示氢,C 1-18烷基,C 1-5烷氧基,C 1-5烷硫基C 1-5烷基,C 1-5 烷氧基羰基或苄基); 并且R 1表示氢,可被C 1-5烷氧基取代的C 1-5烷基,乙酰基或C 2-5烯基; 并且R 2表示氢或甲基; 并且每个R 3和R 4表示氢,卤素,羟基,C 1-5烷基或C 1-5烷氧基; 并且R 5表示氢或可被羟基取代的C 1-5烷基; R4和R5可以通过相互结合形成环; 并且表示单键或双键。
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