Selective sulfenylative desulfonylation or decarbalkoxylation of 'alfa'-sulfonyl malonates with dabco or 'BU IND. 3' N: reactivity and conformational analysis - Donnici, Claudio Luis; Pereira, Elaine Henriques Teixeira; Lopes, Júlio Cesar Dias; Marzorati, Liliana; Wladislaw, Blanka (Synthetic Communications, 2010)