Production manner null of pentajienaru

摘要

PURPOSE:To provide an easy process for the production of 4-acetoxy-5- methoxypentadienal valuable as an intermediate for perfumes and pharmaceuticals. CONSTITUTION:The present invention relates to a process for producing a pentadienal derivative of formula II by reacting 1-O-methyl-D- glycofuranurono-6,3-lactone diacetate of formula I in a conventional organic solvent in the presence of a basic compound such as triethylamine or N,N- dimethylbenzeneamine.