A novel and efficient route for the preparation of (2S)-2-chloro-2-fluorolactone 29 is described. This approach takes advantage of a highly efficient diastereoselective electrophilic fluorination reaction (94% yield; >50:1 dr)
描述了一种新颖且有效的制备(2 S)-2-
氯-2-
氟内
酯29的途径。这种方法利用了高效的非对映选择性亲电子
氟化反应(94%的收率;> 50:1 dr)