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公开(公告)号:US4415739A
公开(公告)日:1983-11-15
申请号:US400025
申请日:1982-07-20
IPC分类号: C07D231/20
CPC分类号: C07D231/20
摘要: 4-Benzoyl-5-hydroxypyrazoles useful as herbicidal active ingredients, their intermediate or stabilizers against heat, oxidation or ultraviolet light are produced by a condensation of a pyrazolone, tetrachloromethane and a benzene compound in the presence of an aluminium halide, followed by a hydrolysis reaction with industrial advantages.
摘要翻译: 可用作除草活性成分的4-苯甲酰基-5-羟基吡唑,它们的中间体或耐热,氧化或紫外光的稳定剂是通过在卤化铝存在下吡唑啉酮,四氯甲烷和苯化合物的缩合反应,然后进行水解 反应与产业优势。
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公开(公告)号:US4383116A
公开(公告)日:1983-05-10
申请号:US240313
申请日:1981-03-04
IPC分类号: A01N43/56 , C07D231/20
CPC分类号: C07D231/20
摘要: 4-Benzoyl-5-hydroxypyrazoles useful as herbicidal active ingredients or their intermediate are produced by a condensation of a pyrazolone and a benzotrichloride followed by a hydrolysis reaction with industrial advantages.
摘要翻译: 可用作除草活性成分或其中间体的4-苯甲酰基-5-羟基吡唑通过吡唑啉酮和三氯甲烷的缩合反应,然后进行具有工业优点的水解反应。
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