<i>N</i>,<i>N</i>,<i>N</i>′,<i>N</i>′-TETRAMETHYLCHLOROFORMAMIDINIUM CHLORIDE AS AN EFFICIENT CONDENSATION REAGENT FOR A NOVEL ESTERIFICATION APPLICABLE TO THE MACROLIDE SYNTHESIS
作者:Tamotsu Fujisawa、Toshiki Mori、Kazumasa Fukumoto、Toshio Sato
DOI:10.1246/cl.1982.1891
日期:1982.12.5
N,N,N′,N′-Tetramethylchloroformamidinium chloride, prepared easily from N,N,N′,N′-tetramethylurea and oxalyl chloride, is found to be an efficient condensation reagent for an esterification of carboxylic acids with alcohols under mild conditions in one-pot procedure, and the reagent is applied to the lactonization for macrolide synthesis from ω-hydroxycarboxylic acids.
N,N,N',N'-四甲基氯甲脒氯化物,很容易由 N,N,N',N'-四甲基脲和草酰氯制备,被发现是一种有效的缩合剂,用于在温和条件下将羧酸与醇进行酯化在一锅法中,该试剂用于ω-羟基羧酸合成大环内酯的内酯化反应。