Benzannulation of 3-Substituted Pyrroles to Indoles
作者:Alan R. Katritzky、Stephane Ledoux、Satheesh K. Nair
DOI:10.1021/jo026853m
日期:2003.7.1
In a new general indole synthesis, the anion derivedfrom benzotriazolyl derivative 5b underwent regioselective 1,4-addition to various alpha,beta-unsaturated ketones; subsequent acid-catalyzed cyclization formed the corresponding indoles 1a-f.