作者:Masayoshi Muraki、Katsuhiko Inomata、Teruaki Mukaiyama
DOI:10.1246/bcsj.48.3200
日期:1975.11
be formed in reaction of phenyl di-n-butylthioboronite (II) with methyl vinyl ketone. In order to explore its utilization in organic synthesis, the reactivity of Id and other known vinyloxyboranes was variously examined. Id and Ie gave β-hydroxyketones (IVa–c, Va–d) in fairly good yields when they were allowed to react with carbonyl compounds. The reaction of Ia′ and Ib with nitriles, followed by hydrolysis
发现在苯基二正丁基硫代硼酸盐 (II) 与甲基乙烯基酮反应中形成了一种新的乙烯基氧基硼烷衍生物 Id。为了探索其在有机合成中的应用,对 Id 和其他已知乙烯基氧基硼烷的反应性进行了各种检查。当它们与羰基化合物反应时,Id 和 Ie 以相当好的产率得到 β-羟基酮(IVa-c,Va-d)。Ia'和Ib与腈反应,然后水解,分别得到β-亚氨基硫酸酯(VIa-c)和β-酮酯(VIIa-d)。还发现硼烷(Ib)在室温下与甲酸酯或甲酰胺反应得到α-甲酰基己酸乙酯。