During our recent study of the synthesis of annulated heterocycles, [ 11 11. (a) Mohanakrishnan , AK ; Dhayalan , V. ; Arul Clement , J. ; Balamurugan , R. ; Sureshbabu , R. ; Senthil Kumar , N. A one-pot synthesis of annulated carbazole analogs . Tetrahedron Lett. 2008 , 49 , 5850 – 5854 ; (b) Dhayalan , V. ; Arul Clement , J. ; Jegan , R. ; Mohanakrishnan , AK A versatile synthesis of annulated carbazole analogs involving a domino reaction of bromomethylindoles with ...