Metallocene compounds, synthesis process and use thereof

Details Metallocene compounds, synthesis process and use thereof Metallocene compounds, synthesis process and use thereof

1998-01-30

2000-01-25

Nazario-Gonzalez, Porfirio

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

556 12, 556 21, 556 43, 556 53, 556 58, 502103, 502117, 526160, 526943, 534 15, C07F 1700, C07F 700, C07F 900

Patent

active

060180641

ABSTRACT:
It is shown metallocences with functionalized bridge of formula ##STR1## wherein M represents a transition metal from groups 3, 4, 5 or 6, L represents cyclopentadienyl-type ligands, Y represents a halogen and which can own one or various bridges between unities L. At least one of these bridges is functionalized through a group constituted by the union between a halogen atom and a silicon, germanium or tin atom. It is also shown a method for the synthesis of these metallocene compounds starting from the corresponding metallic halure and a precursor of the ligand with leaving groups. The functionalization shown by these compounds give them a peculiar reactivity that can be used for the formation of new metallocene derivatives, including bi- or poly-metallocene compounds. This reactivity is shown in the present document through examples with alcohol-type substrates.

REFERENCES:
patent: 5753769 (1998-05-01), Ueda et al.

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