Heterometallic thiocubanes

Details Heterometallic thiocubanes Heterometallic thiocubanes

C - Chemistry, Metallurgy

07

F

260/426

C07F 11/00 (2006.01) C07F 15/06 (2006.01)

Patent

CA 1304745

ABSTRACT OF THE DISCLOSURE This invention relates to heterometallic thiocubane compositions containing the M?M?S4 cluster core and methods of making them wherein Ml is Re, V, Mo or W and M2 is Co, Cr, Cu, Ni or Fe but preferably Co. More particularly, the invention relates to compositions of the formula M?M?S4L?L?L? wherein M1 and M2 are as above, L1 is a bidentate sulfur or nitrogen bearing ligand (most preferably a dialkyldithiocarbamate), L2 is optional but may be an O, N, P or S-containing monodentate donor ligand, and L3 may be CO, a mono- dentate anion ligand such as a halide (preferably Cl), mercaptide or alkoxide, or another O, N, P, or S containing monodentate donor ligand. The composi- tions are suitable for making active hydrotreating catalysts.

551834

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