发明授权
US4343742A Process for the manufacture of 2,3-perfluoro-1,4-dioxanes as well as
some special representatives of compounds of this class
失效
制备2,3-全氟-1,4-二恶烷的方法以及该类化合物的一些特殊代表
- 专利标题： Process for the manufacture of 2,3-perfluoro-1,4-dioxanes as well as some special representatives of compounds of this class
- 专利标题（中）： 制备2,3-全氟-1,4-二恶烷的方法以及该类化合物的一些特殊代表
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申请号： US225150申请日： 1981-01-14
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公开(公告)号： US4343742A公开(公告)日： 1982-08-10
- 发明人: Herbert Muffler , Gunter Siegemund , Werner Schwertfeger
- 申请人： Herbert Muffler , Gunter Siegemund , Werner Schwertfeger
- 申请人地址： Frankfurt am Main
- 专利权人： Hoechst Aktiengesellschaft
- 当前专利权人： Hoechst Aktiengesellschaft
- 当前专利权人地址： Frankfurt am Main
- 优先权： DEX2928602 19790714
- 主分类号： C07D319/12
- IPC分类号： C07D319/12
摘要：
2,3-Perfluoro-1,4-dioxanes of the formula I ##STR1## wherein X and Y independently from one another mean F or CF.sub.3, are manufactured by reacting carbonyl compounds of the formula II ##STR2## wherein X has the same meaning as in formula I,Y' has the same meaning as Y in formula I (F, CF.sub.3), and additionally can be Cl andZ=Cl, mesylate [=OSO.sub.2 CH.sub.3 ] or tosylate=[OSO.sub.2 C.sub.4 H.sub.6 --CH.sub.3 (p)],with alkali metal fluorides and/or with ammonium fluoride. The reaction products I, among which those wherein at least one of both radicals X and Y is CF.sub.3 are novel compounds, are solvents for highly fluorinated compounds and intermediates in various application fields.
公开/授权文献
- USD313701S Hosiery hanger 公开/授权日：1991-01-15
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