229977-87-1Relevant articles and documents
Modified Vilsmeier reactions of activated benzofurans with indolines: Synthesis of benzofuran-fused benzocarbazoles
Black, David St. C.,Rezaie, Robert
, p. 4251 - 4254 (2007/10/03)
Regioselective reactions of 3-substituted 4,6-dimethoxybenzofurans with indolin-2-ones and triflic anhydride afforded 7- and/or 2-substituted indolo-benzofurans and the latter were cyclised to previously unknown benzofuran-fused benzocarbazoles using pall