Organic fluorine compounds. Part XL. Further reactions of diethyl fluoro-oxaloacetate with aldehydes
作者:Ernst D. Bergmann、Israel Shahak、Etan Sal'i、Zeev Aizenshtat
DOI:10.1039/j39680001232
日期:——
The scope of the synthesis of α-fluoro-unsaturated acids from aliphatic and aromatic aldehydes and diethyl fluoro-oxaloacetate has been studied. α-Formyl derivatives of ketones and esters react in their aldehydic forms. 2-Fluoro-3-(2-thienyl)acrylic acid could be nitrated, probably in the 5-position of the thiophen ring. 2-Fluoro-3-(1-naphthyl)acrylic acid cyclized to 2-fluoro-4,5-benzinden-1-one (VIII)
研究了由脂族和芳族醛与
氟乙二
氧乙酸二
乙酯合成α-
氟不饱和酸的范围。
酮和
酯的α-甲酰基衍
生物以醛形式反应。2-
氟-3-(2-
噻吩基)
丙烯酸可能被硝化,可能在
噻吩环的5位。2-
氟-3-(1-
萘基)
丙烯酸环化成2-
氟-4,5-
苯并
茚-1-
酮(VIII)。