In the presence of cesium fluoride, the equimolecular reactions of carboxylic acids with alcohols, amines or thiols using 2-fluoropyridinium salt proceeded smoothly under mild conditions to afford the corresponding carboxylic acid derivatives with base sensitive groups in good yields.
在
氟化铯存在下,利用2-
氟吡啶盐在温和条件下顺利进行
羧酸与醇、胺或
硫醇的等摩尔反应,以良好产率得到带有碱敏感基团的相应
羧酸衍
生物。