L. Chunchatprasert et al., ANTITUMOR HETEROCYCLES .13. THE SYNTHESES OF 2 NEW PYRIDOCARBAZOLES (ELLIPTICINES) AND SOME PYRROLOCARBAZOLE ANALOGS, Journal of chemical research. Synopses, (2), 1996, pp. 84-85
Two different strategies are used for the synthesis of 10-hydroxyellip
ticine (1d) and 8,10-dimethoxyellipticine (1b); the pyrrolo[3,2-b]carb
azole 13a and pyrrolo[2,3-b]carbazole 14 analogues of the dimethoxyell
ipticine are also synthesised.