165. ChemInform Abstract: A Mild and Efficient CH₂-Extrusion Reaction for the Enantiospecific Synthesis of Highly Configurationally Stable Troeger Bases
     Sandip A. Pujari, Celine Besnard, Thomas Bürgi, Jérôme Lacour
     ChemInform 2015, 46

Oxidation of ethano-Troeger bases (I) and (III) with DDQ in wet nitromethane results in a highly enantiospecific methylene extrusion to afford ring contracted products (II) and (IV) which are significantly more configurationally stable than regular Troeger bases.

DOI: 10.1002/chin.201543111 

open archive unige:76521