Photocyclization of two enamides (2a and 2b) has provided a new entry for the construction of three yohimbans, yohimban (5a), epiyohimban (5b), and alloyohimban (5c), which are basic structures of yohimbine- and reserpine-type alkaloids.
两个烯酰胺(2a 和 2b)的光环化为三个育亨班的构建提供了新的切入点,即育亨班(5a)、表育亨班(5b)和合
金育亨班(5c),它们是
育亨宾和间苯二
酚类生物碱的基本结构。