Journal of Organic Chemistry p. 5587 - 5591 (1998)
Update date:2022-08-05
Topics:
Rigby, James H.
Laurent, Stephane
Cavezza, Alexandre
Heeg, Mary Jane
The azepinoindole substructure common to a number of Stemona alkaloids is constructed by employing a 7-endo radical cyclization of a readily available N-alkylated hydroindolone substrate. The indolone precursors are prepared via [1 + 4] cycloaddition between a vinyl isocyanate and either dimethoxycarbene or cyclohexylisocyanide.
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