申请人:Hoffmann-La Roche Inc.
公开号:US04032577A1
公开(公告)日:1977-06-28
This invention relates to a process for the preparation of 2-alkenyl-4-hydroxy-3-methyl-2-cyclopenten-1-ones from the reaction product of 2,4-pentane dione and a 2-propen-or 2-propyn-1-ol derivative including intermediates therein.
本发明涉及一种从2,4-戊二酮和2-丙烯基或2-丙炔基-1-醇衍生物的反应产物中制备2-烯基-4-羟基-3-甲基-2-环戊烯-1-酮的方法,其中包括中间体。