申请人:Imperial Chemical Industries Limited
公开号:US04048180A1
公开(公告)日:1977-09-13
The present invention deals with intermediate compounds, namely 4-(2'-, 3'- and 4'-pyridyl)-tetrahydropyrans and a process for their preparation. These compounds are prepared by reacting a 2'-haloethyl-3-(pyridyl)propyl ether with an alkali metal amide at -80.degree. C. to 40.degree. C.
本发明涉及中间化合物,即4-(2'-、3'-和4'-吡啶基)-四氢吡喃及其制备方法。这些化合物是通过将2'-卤乙基-3-(吡啶基)丙基醚与碱金属酰胺在-80摄氏度至40摄氏度下反应而制备的。