C-11a of the natural products was determined to be S by comparison of the optical rotation of the natural products with synthetic counterparts derived from L-proline. This report is the first total synthesis of optically active fuligocandin B.
Fuligocandins A 和 B 是从念珠菌粘菌中分离的环
蒽基脯
氨酸衍
生物,通过 Meyer-Schuster 重排有效合成,得到了具有高选择性的 Z-异构体。通过比较
天然产物与衍生自
L-脯氨酸的合成对应物的旋光度,确定
天然产物在 C-11a 处的绝对立体
化学为 S。本报告是光学活性fuligocandin B的首次全合成。