%0 Journal Article %A Vincent Gandon %A Philippe Bertus %A Jan Szymoniak %T On the mechanism of the zirconium-catalysed addition of ethyl Grignard reagents to imines %J Comptes Rendus. Chimie %D 2002 %P 127-130 %V 5 %N 2 %I Elsevier %R 10.1016/S1631-0748(02)01304-8 %G en %F CRCHIM_2002__5_2_127_0