A Brønsted acid-promoted cyclodimerization of C(3)-, C(2)-, or N(1)-substituted indole ketone derivatives is described. A wide range of structurally diverse bisindole fused-9-oxabicyclo[3.3.1]nonane and bisindole fused-cyclooctatetraene (COT) derivatives can be prepared in good to high yields with high efficiency.
描述了布朗斯台德酸促进的C(3)-,C(2)-或N(1)-取代的
吲哚酮衍
生物的环二聚。可以高效率高效地制备各种结构多样的双
吲哚稠合9-氧杂双环[3.3.1]
壬烷和双
吲哚稠合环
辛酸酯(COT)衍
生物。