Methods for preparing cyclic beta-cyclopentadienyl(dicarbonyl)iron-substituted alpha,beta-unsaturated carbonyl compounds: Precursors to annulated alpha,beta-butenolides and gamma-lactams
M. Mikulas et al., Methods for preparing cyclic beta-cyclopentadienyl(dicarbonyl)iron-substituted alpha,beta-unsaturated carbonyl compounds: Precursors to annulated alpha,beta-butenolides and gamma-lactams, SYNLETT, (2), 2000, pp. 185-188
Methods for the synthesis of cyclic [eta(5)-C5H5(CO)(2)Fe]substituted (Z)-e
nals from cyclic ketones are described. With a single transformation five-m
embered lactams as well as lactones are accessible from these organometalli
c reagents.