申请人:Schröder Fridtjof
公开号:US20120271059A1
公开(公告)日:2012-10-25
A process for the preparation of β,γ-unsaturated-γ,γ-disubstituted esters 1 with high E/Z- and β,γ/α,β-ratios, Formula (1) by reacting at a temperature of between about 130 and 170 degrees centigrade the conjugated malonate Formula (3) with, a group I, II or III metal halide or an organic cation/halide anion pair, an inorganic proton source and a polar solvent.
一种制备高E/Z-和β,γ/α,β比例的β,γ-不饱和-γ,γ-二取代酯1的方法,化学式(1),通过在温度在130至170摄氏度之间反应共轭马隆酸酯化合物化学式(3)与I、II或III族金属卤化物或有机阳离子/卤化物阴离子对、无机质子源和极性溶剂。