Synthesis of tricyclic compounds via sequential intramolecular Michael addition and alkylation of β-ketoester ynones
作者:Jean-François Lavallée、Pierre Deslongchamps
DOI:10.1016/s0040-4039(00)96325-1
日期:——
Base-catalyzed sequential intramolecular Michael addition and alkylation of cyclicβ-ketoester ynones 1 (n = 1,2) produce the corresponding tricycles 3 via intermediate enone-anions 2.