Harnessing the chemistry of 4aH-carbazoles: a consecutive rearrangements approach to carbazoles

We report a mild method for the synthesis of 4aH-carbazole intermediates with significant synthetic flexibility and variability, and demonstrate the controllable rearrangements of such intermediates to carbazoles. The work further enriches the chemistry of 4aH-carbazoles in general and offers a consecutive rearrangements approach for the precise decoration of the inert carbazole ring specifically.

Automated summary

This study introduces a mild synthetic method for producing 4aH-carbazole intermediates with significant flexibility and variability, which can be further rearranged into carbazoles. It enriches the chemistry of 4aH-carbazoles and provides a consecutive rearrangements approach for precise decoration of the inert carbazole ring.