Heterometallic thiocubanes (C-2044)

Details Heterometallic thiocubanes (C-2044) Heterometallic thiocubanes (C-2044)

1986-06-02

1988-03-08

Sneed, Helen M. S.

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

Organic compounds

Heavy metal containing

556 14, 556 16, 556 28, 556 31, C07F 1500, C07F 1502, C07F 1504, C07F 1506

Patent

active

047300647

ABSTRACT:
This invention relates to heterometallic thiocubane compositions containing the M.sub.2.sup.1 M.sub.2.sup.2 S.sub.4 cluster core and methods of making them wherein M.sup.1 is Re, V, Mo or W and M.sup.2 is Co, Cr, Cu, Ni or Fe but preferably Co. More particularly, the invention relates to compositions of the formula M.sub.2.sup.2 M.sub.2.sup.2 S.sub.4 L.sub.2.sup.1 L.sub.2.sup.2 L.sub.2.sup.3 wherein M.sup.1 and M.sup.2 are as above, L.sup.1 is a bidentate sulfur or nitrogen bearing ligand (most preferably a dialkyldithiocarbamate), L.sup.2 is optional but may be an O, N, P or S-containing monodentate donor ligand, and L.sup.3 may be CO, a monodentate anion ligand such as a halide (preferably C1), mercaptide or alkoxide, or another O, N, P, or S containing monodentate donor ligand. The compositions are suitable for making active hydrotreating catalysts.

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