申请人:Ishihara Kazuaki
公开号:US20130217898A1
公开(公告)日:2013-08-22
The present invention relates to a method for manufacturing an ester from a ketone or an aldehyde, which is a reactive substrate, by a Baeyer-Villiger oxidation reaction using hydrogen peroxide, and in this method, as a catalyst, M(BAr
4
)
n
, which is a metal borate, is used (M represents an alkali metal or an alkaline earth metal; Ar represents an aryl; and n is the same number as the valence of M). For example, when cyclohexanone was used as the reactive substrate, and Sr[B(3,5-CF
3
C
6
H
3
)
4
]
2
was used as the catalyst, ε-caprolactone was obtained at an isolated yield of 82%.
本发明涉及一种从酮或醛(作为反应底物)制造酯的方法,该方法通过使用过氧化氢进行巴耶-维利格氧化反应,在该方法中,作为催化剂使用了M(BAr4)n,该催化剂是一种金属硼酸盐(M代表碱金属或碱土金属;Ar代表芳基;n与M的化合价相同)。例如,当环己酮作为反应底物,Sr[B(3,5-CF3C6H3)4]2作为催化剂时,得到了ε-己内酯,其分离收率为82%。