SYNTHESIS OF OLIGO-ENYNES USING [FE(ALKENE)(CO)(N)] SCAFFOLDS - Z E-SELECTIVE WITTIG-TYPE AND HORNER-TYPE OLEFINATION REACTIONS OF BETA-CARBONYL GROUPS IN ETA(4)-DIENE AND GAMMA-CARBONYL GROUPS IN ETA(2)-ALKENE COMPLEXES OF IRON/
J. Bohmer et R. Schobert, SYNTHESIS OF OLIGO-ENYNES USING [FE(ALKENE)(CO)(N)] SCAFFOLDS - Z E-SELECTIVE WITTIG-TYPE AND HORNER-TYPE OLEFINATION REACTIONS OF BETA-CARBONYL GROUPS IN ETA(4)-DIENE AND GAMMA-CARBONYL GROUPS IN ETA(2)-ALKENE COMPLEXES OF IRON/, Journal of chemical research. Synopses (Print), (7), 1998, pp. 372
beta-Oxo-dienetricarbonyliron complexes 4 and gamma-oxo-alkenecarbene
complexes 5 undergo olefinations with a wide range of phosphonates and
phosphoranes with high E- or Z-selectivity and give the free oligo-en
(yn)es or carbamates, respectively, upon oxidative demetalation.