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公开(公告)号:US4350819A
公开(公告)日:1982-09-21
申请号:US284397
申请日:1981-07-17
申请人: Norbert Rieber , Heinrich Bohm , Rolf Platz , Werner Fuchs
发明人: Norbert Rieber , Heinrich Bohm , Rolf Platz , Werner Fuchs
IPC分类号: C07D231/10 , C07D231/12 , C07D261/08
CPC分类号: C07D261/08 , C07D231/12
摘要: 1-Hydroxypyrazole and a process for its preparation by conversion of isoxazolineazoxy compounds at 140.degree.-600.degree. C.The end products obtainable by the process of the invention are valuable starting materials for the preparation of dyes, crop protection agents and drugs.
摘要翻译: 1-羟基吡唑及其在140℃-600℃下通过异恶唑啉偶氮化合物的转化制备的方法。通过本发明的方法获得的最终产物是用于制备染料,作物保护剂和药物的有价值的起始材料。
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公开(公告)号:US4562262A
公开(公告)日:1985-12-31
申请号:US675467
申请日:1984-11-28
申请人: Norbert Rieber , Heinrich Bohm , Rolf Platz , Werner Fuchs
发明人: Norbert Rieber , Heinrich Bohm , Rolf Platz , Werner Fuchs
IPC分类号: C07D487/08 , C07D487/04
CPC分类号: C07D487/08
摘要: A process for the preparation of polycyclic nitrogen-containing compounds of the formula ##STR1## where R is hydrogen or an organic radical, wherein a compound of the formula ##STR2## where Alk is alkyl of 1 to 4 carbon atoms and R has the above meanings, is reacted with a solution of an alkali metal hydroxide or of calcium hydroxide and the product is then oxidized.
摘要翻译: 一种制备下式的多环含氮化合物的方法,其中R为氢或有机基团,其中式为其中Alk为1至4个碳原子的烷基且R为上述的式的化合物 意思是与碱金属氢氧化物或氢氧化钙的溶液反应,然后将产物氧化。
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