190908-11-3Relevant articles and documents
Synthesis and isomerization of biindolinones from Collybia peronata and Tricholoma scalpturatum
Stachel, Shawn J.,Nilges, Mark,Van Vranken, David L.
, p. 4756 - 4762 (2007/10/03)
Peronatins A and B and 7,7'-dimethoxyperonatin B, originally isolated from the damaged fruiting bodies of Collybia peronata and Tricholoma scalpturatum, have been synthesized by oxidative dimerization of 2- alkylindoles. The conversion of peronatin A to peronatin B was shown to be catalyzed by Bronsted acids in chloroform solution and inhibited by triethylamine, implicating a retro-Mannich/Mannich isomerization pathway under these conditions. Attempts to identify or trap out radical or ionic intermediates were unsuccessful.