摘要:
A method for the highly regioselective reductive coupling reaction of N-aryl-alpha-imino esters with dienes is described. The method utilizes the RuHCI(CO)(PPh3)(3)/iPrOH catalytic system under an Ar atmosphere and provides alpha-branched allylic a-amino acid derivatives. Application of this transformation to the concise synthesis of a natural plant growth regulator is demonstrated.