Jc. Estevez et al., A NEW, SIMPLE, EFFICIENT SYNTHESIS OF BENZO[B]CARBAZOLES AND INDENO[1,2-B]INDOLES, Tetrahedron letters, 34(40), 1993, pp. 6479-6480
A new, efficient synthesis of benzo[b]carbazoles and indeno[1,2-b]indo
les from nitrophenylacetylphenylacetic acids and mirobenzylphthalides
respectively is described