same solvent was measured by the conductometric method. The rates of both O- and C-ethylations of the enolate ion were measured. The pKa of the corresponding β-ketoesters were measured in DMF. The reactivity of the enolates investigated was found to be proportional to their basicity.
报道了HM
PT中甲
苯磺酸乙酯对γ,γ-二甲基-乙基,γ-γ,γ-γ-三甲基
乙酰乙酸的K-和Cs-烯酸酯的烷基化以及γ,γ,γ-
三氟乙酰乙酸乙酯的Cs-烯酸酯。通过电导法测量在相同溶剂中β-
酮酸酯Cs-烯酸酯的解离度。测量了烯醇盐离子的O-和C-乙基化的速率。在
DMF中测量相应的β-
酮酸酯的p Ka。发现所研究的烯醇化物的反应性与其碱性成正比。