his invention relates to a process for the preparation of an unsaturated macrocyclic ketone of formula
which comprises reacting in the presence of a basic reagent a dialdehyde of formula
with a diphosphonate of formula
wherein each of symbols R represents an alkyl radical.
本发明涉及一种制备式不饱和大环酮的工艺,该工艺包括在碱性试剂存在下,使式二醛与式
二膦酸盐反应,其中每个符号 R 代表一个烷基。