Reactions of 1-aza-pentadienyl anions with michael acceptors: Regiochemistry

Article abstract of DOI:10.1016/S0040-4039(00)92281-0

The addition of Michael acceptors 3-6 to 1-aza-pentadienyl metal compounds ^{1, 2} provides access to two main regioisomers (Type A and B, B′); the relative yields may effectively be influenced by the choice of the metal ion of ^{1, 2}.