136569-53-4Relevant articles and documents
Enantiocontrolled Total Syntheses of (-)-Physovenine and (-)-Physostigmine
Takano, Seiichi,Moriya, Minoru,Ogasawara, Kunio
, p. 5982 - 5984 (2007/10/02)
Enantiocontrolled total syntheses of the Calabar bean alkaloid (-)-physovenine (1) and (-)-physostigmine (2) have been achieved in a concise manner starting from the optically active tricyclic enone 3 employing a Fischer indolization reaction under nonacidic conditions as the key step.