Metal Organic Enamine Ketone And Their Metal Complexes

Enaminone compounds have not only various reactivities and plentiful structural chemistry but also their important applications in the fields of biology, catalysis and material science. To develop organometallic enaminone chemistry, we initiated the studies on syntheses and properties of ferrocene-containing enaminones and their metal complexes, making a series of significant and creative developments.The main results are as follows:1. Thirty-one new ferrocene-containing compounds including seventeen enaminones and fourteen metal complexes were synthesized and fully characterized by elemental analyses, 1HNMR, IR and UV spectroscopies as well as by the single crystal structures of eight typical compounds determined by X-ray diffraction methods.2. The reactions of β-diketone [C5U5FeC5H4COCH2COC6E5] and primary arylamines were first studied, with a series of cis-s-cis enaminone compounds [C5H5FeC5H4COCH=C(NHAr)C6H5] synthesized. The stuctures of thus products have been determined by single crystal X-ray diffraction of the typical compound [C5H5FeC5H4COCH=C(NHAr)C6H5](Ar = 2,6-(CH3)2C6H3). The crystal structure shows that these enaminone compounds possess intramolecular N-H O hydrogen bonds in the solid state.3. The reactions of β-diketone [C5H5FeC5H4COH2COCH3] and primary alkylamines as well as primary arylamines were systematically studied with a series of cis-s-cis enaminone compounds [C5H5FeC5H4COCH=C(NHR)CH3] (R = Alkyl and Aryl) synthesized and single crystal structures of both compounds [C5H5FeC5H4COCH=C(NHAr)CH3] (Ar = 2-HOC6H4 and 2-CH3OC6H4) have been determined by X-ray diffraction methods. The crystal structures show that the former possesses both intramolecular N-H O=C hydrogen bond and intermolecular N-H O=C hydrogen bond in the solid state and the latter has two isomers in solid states because of rotation forbidden .4. The coordinate reactions of synthesized ligands including bidentate, tridentate and tetradentate enminones with bivalent metal ions were researched in detail. Structures of these complexes have been determined by X-ray crystal diffractions of five typical metal complexes and the stereoisomerism resulted from ferrocenyl groups found .