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公开(公告)号:US4117000A
公开(公告)日:1978-09-26
申请号:US827334
申请日:1977-08-24
IPC分类号: C07B61/00 , B01J31/00 , B01J31/02 , C07C20060101 , C07C67/00 , C07C253/00 , C07C255/17 , C07C121/34 , C07C120/00
CPC分类号: C07C255/00 , Y02P20/582
摘要: A process is described for improving the synthesis of 4-oxocapronitrile by adding an inert solvent to the atmospheric pressure distillation of the reaction mixture so that the temperature of said distillation is maintained below about 195.degree. C.
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公开(公告)号:US4154964A
公开(公告)日:1979-05-15
申请号:US832950
申请日:1977-09-13
申请人: Theodorus Balg
发明人: Theodorus Balg
CPC分类号: C07C37/86
摘要: A process for the purification of a phenol compound prepared by decarboxylative oxidation of a benzoic acid to a phenol compound, including treating the phenol with a countercurrent flow of phosphoric acid and a temperature gradient to remove substituted and unsubstituted benzaldehyde and related compounds.
摘要翻译: 一种通过将苯甲酸脱羧氧化成酚化合物制备的酚化合物的方法,包括用逆流磷酸处理苯酚和温度梯度以除去取代和未取代的苯甲醛及相关化合物。
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