Bisindolylmaleimides are prepared in 65-95% yield by reaction of an indole Grignard with either 2,3-dichloro-N-methylmaleimide or 2,3-dichloromaleimide. A one-step synthesis of arcyriarubin A in 72% yield affords ready access to the staurosporine aglycone.
双
吲哚马来
酰亚胺是通过
吲哚格氏化合物与 2,3-二
氯-N-甲基马来
酰亚胺或 2,3-二
氯马来
酰亚胺反应制备的,收率为 65-95%。一步法合成 arcyriarubin A 的收率为 72%,可直接获得石杉碱苷苷元。