Electrocyclisations for Synthesis of Carbazoles and their Annulated Compounds

Meiji College of Pharmacy, 1-35-23, Nozawa, Setagaya-ku, Tokyo 154, Japan
Manuscript received 26 November 1993

The thermal- and photo-induced electrocydisations of the hexatriene systems involving indole nucleus for synthesis of the pharmacologically interest carbazoles, and [a]·, [b]·, [c]· and [a,c]-annulated carbazoles are reviewed.