An n→π* interaction reduces the electrophilicity of the acceptor carbonyl group. Choudhary A, Fry CG, Kamer KJ, Raines RT. An n→π* interaction reduces the electrophilicity of the acceptor carbonyl group. Chem Commun (Camb). 2013;49(74):8166-8. doi:10.1039/c3cc44573a Read more