Béatrice Malapel-Andrieu, Simone Piroëlle and Jean-Yves Mérour
Claisen rearrangement of transient 2-allyloxy-3-hydroxy-1-methylindole generated by decarboxylation of the corresponding ester afforded, at room temperature, (±)-3-allyl-3-hydroxy-1-methylindol-2(3H)-one.