Anti-tumour heterocycles : part 16 : the synthesis of 7,10-dimethoxyellipticine and its pyrrolo2,3-fcarbazole and pyrrolo3,2-f analogues

摘要

The final examples in our ellipticine/pyrrolocarbazole synthesis programme are 7,10-dimethoxyellipticine 1a and the corresponding pyrrolocarbazoles 2a and 3a which have been synthesised from 4,6-dimethoxyindole.