以腺苷为起始原料,依次进行碘代、成双键、叠氮化、羟基和氨基的保护、脱碘、羟基和氨基的脱保护、Dimorth重排、8-位卤化和甲基化......

A series of 8-substituted alkyl xanthines were evaluated in vitro to test the cytotoxocity in cells. For this experiment......