Decomposition of hydroperoxides using metal complex catalysts

C - Chemistry – Metallurgy – 07 – C

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260/428, 260/587

C07C 39/04 (2006.01) C07F 3/06 (2006.01) C07F 15/00 (2006.01)

Patent

CA 1141770

ABSTRACT OF THE DISCLOSURE Hydroperoxides are catalytically decomposed using a novel metal complex of the formula: Image wherein M is a positively charged metal or metal compound; Z is S, O, P, S-P, or S-S; L is C, P, or N; and A is selected from the group consisting of halogens; hydrogen: N-R wherein R is selected from the group consisting of H, C1-30 alkyls and 4 to 8 membered aryls optionally substi- tuted with one or more Cl1-20 alkyls and C1-20 alkoxys; and hydrocarbon groups containing up to 30 carbon atoms optionally substituted with halogen atoms, C1-12hydroxy groups, C1-12 acid groups, C1-2 aldehyde groups, C1-12 ketone groups, and C1-10 nitrile groups; and wherein n is 1 or 2; and b is 1, 2 or 3. These catalysts are especially effective in decomposing either cumene hydroperoxide or cyclohexylbenzene hydro- peroxide to phenol.

366808

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