1. Biomimetic polyene cyclizations
2. Superacidic cyclization of terpenoids
3. Bioorganic chemistry. Total synthesis of tetra- and pentacyclic triterpenoids
4. (a) Reaction with allylsilanes of trans-pentadienyl Fe(CO)3 cations from trans-pentadienol Fe(CO)3 acetates: Uemura, E.; Minami, T.; Yamashita, Y.; Hiyoshi, K. I.; Hayashi, Y. Tetrahedron Lett. 1987, 28, 641. (b) Reactions with allylsilanes, silyl enol ethers and alkynyldifluoroboranes of cross conjugated pentadienyl Fe(CO)3 cations from TMM carbinol, isoprenol or 2-oxiranyl butadiene complexes: Franck-Neumann, M.; Kastler, A.; Colson, P. J. Tetrahedron Lett. 1991, 32, 7051; Franck-Neumann, A.; Kastler, A. Synlett 1995, 61; cf also Donaldson, W. A.; Hossain, M. A. Tetrahedron Lett. 1991, 32, 7047. (c) Reduction of trans-pentadienyl Fe(CO)3 cations from 1-oxiranyl butadiene complexes: Franck-Neumann, M.; Gateau, C.; Miesch-Gross, L. Tetrahedron Lett. 1997, 38, 8077.
5. Synthesis and Diastereoselective Reactions of Optically Active Dienone-Iron Tricarbonyl Complexes. Synthesis of Tertiary α-Hydroxyaldehydes and γ-Hydroxycrotonaldehydes as Pure Enantiomers of Known Absolute Configuration