Reaction of 1,3,4-tribromo-2-alkanones, efficiently prepared by direct bromination of the parent enone, with methanolic sodium methoxide gives methyl ()-2,4-pentadienoates with high () selectivity about the α,β-double bond.
通过直接
溴化母体烯酮有效地制备的1,3,4-三
溴-2-链烷酮与
甲醇甲醇钠的反应可制得具有高()选择性的关于(α,β-双)的()-
2,4-戊二烯酸甲酯键。