T. Chen et al., ALLYLATION AND [3-CYCLOADDITION REACTIONS OF IMINES WITH ALLYL(CYCLOPENTADIENYL)IRON(II) DICARBONYL COMPLEXES(2]), Tetrahedron letters, 35(45), 1994, pp. 8325-8328
Allyl(cyclopentadienyl)iron(II) dicarbonyl (I) reads with N-tosylimine
s to give either iron-olefin complexes 2 or pyrrolidines 3, depending
on the quantity and nature of the Lewis acid and the work-up procedure
.