Benzylation of ß-hydroxy esters, containing primary and secondary alcohol functions, with benzyl 2,2,2-trichloroacetimidate gives the corresponding benzyl ethers in good yield. In the case of chiral substrates no racemisation is observed.
含有伯醇和仲醇功能的 ß-羟基酯与苄基 2,2,2-三
氯乙
亚胺酸酯反应,可高产率地得到相应的苄基醚。在手性底物的情况下,未观察到消旋化现象。