The O-silylated enolates of ketones, aldehydes, esters, and lactones can be regiospecifically alkylated by 1,5-dithienium fluoroborate to give the selectivity protected β-dicarbonyl compounds.
酮,醛,酯和内酯的O-甲
硅烷基化烯酸酯可以被1,5-二
氟硼酸硼酸酯区域特异性地烷基化,从而得到选择性保护的β-二羰基化合物。