申请人:Showa Denko K K
公开号:EP1182184A1
公开(公告)日:2002-02-27
The present invention relates to a process by a series of reactions using tetrafluorocyanobenzens as material for producing tetrafluorobenzenemethanols, tetrafluorobenzenecarbaldehyde dialkylacetals and tetrafluorobenzenecarbaldehydes in a high purity and a high yield which are useful as intermediates in the production of cyclopropanecarboxylic acid esters having insecticidal action, and also relates to a novel tetrafluorobenzenecarbaldehyde dimethylacetal.
本发明涉及一种以四氟氰基苯为原料,通过一系列反应生产四氟苯甲醇的工艺、本发明涉及一种高纯度和高产率的四氟苯甲醛二烷基乙醛和四氟苯甲醛的一系列反应过程,这些反应产物可用作生产具有杀虫作用的环丙烷羧酸酯的中间体,本发明还涉及一种新型的四氟苯甲醛二甲基乙醛。