Aza-Michael reactions of isatin imines : role of S-π interactionsMetsala, Andrus; Žari, Sergei; Lopp, Margus; Kanger, TõnisBalticum Organicum Syntheticum : 3-6 July 2016, Riga, Latvia : program and abstracts2016 / p. 116 : illhttp://www.boschem.eu/public/BOS2016/BOS-2016_Anstract-Book_Final.pdf