2-Halobenzothiazolium fluoroborate, when treated with a mixture of equimolar amounts of carboxylic acids and alcohols in the presence of base such as tertiary amines, gave the corresponding carboxylic esters in good yields.
2-Halobenzothiazolium fluoroborate 与等摩尔量的
羧酸和醇的混合物在叔胺等碱的存在下进行处理后,可以得到相应的
羧酸酯,而且收率很高。