Diastereoselective and regioselective [1,5]-C,H insertion
reactions of 2â²-deoxy-3â²-diazomalonate nucleosides afforded
Ï-butyrolactones of nucleosides as chiral synthons for the preparation
of 2â²-C-branched nucleosides.
2'-脱氧-3'-二氮亚甲基核苷酸核苷的[1,5]-C,H插入反应,通过非对映选择性和区域选择性途径,提供了作为制备2'-C-支链核苷的手性合成子的核苷酸Î
-丁内酯。