TH10639B - Methods for the production of cycloalcohol and cycloalcanone - Google Patents

Abstract

Cycloalkyl hydroperoxide, selected with group C5-10 cycloalkyl, is decomposed by cycloalkyl hydroperoxide. come into contact with The ruthenium complex of the formula [RuCl2Ln]m(I) where L = natural ligands , n = 1 - 4 , and m greater than or equal to 1 , for example , [RuCl2(PPh3) ]3 , to produce the psycho. Alkanol and Cycloalkanone:

Claims (7)

1. A process for the production of cycloalkanes and cycloalkanones, consisting of the breakdown of cycloalkyl hydroperoxides by cycloalkyl hydro-peroxide. Oxides come into contact with the ruthenium complexes expressed by the general formula (I): [RuCl2Ln] m, where the formula (I), L represents the natural ligands formed by the audenate to the ruthenium-atom. , n represents integers 1 to 4, and m represents integers 1 or more. 2. Process according to claim 1, where cycloalkyl hydroperoxide There are cycloalkyl groups with 5 to 20 carbon atoms. 3.Procedure according to claim 1, where in formula (I), the natural ligand represented by L is selected from the tertiary arylphosphine, eryene compound, diene compound. Amine, Nitrile Compound, Pyridine Compound, Compound 2,2 \ '- Bypiridine, Compound 1,10-Phenanthroline And dimethyl sulfoxide compounds 4. The process according to claim 1, where the complexes of the formula (I) were selected from dichloro-tris (triphenylphosphine) ruthenium, dichloro-tris (tri S (4-methylphenyl) -phosphine) ruthenium, dichloro-tris (tris (4-chlorophenyl) phosphine) ruthenium, dichloro- Tris (tris (4-fluorophenyl) phosphine) ruthenium, dichloro-tris (tris (4-methoxyphenyl) phosphine) ruth Thenium Tetrachloro-bis (eta-benzene) diurethenium, tetrachloro-bis (eta-toluene) diruthenium, tetrachloro-bis (eta - Solene) diruthenium, tetrachloro-bis (eta-methylene) dyruthenium, tetrachloro-bis (eta-anisol) diruthi Nium, tetrachloro-bis (eta-cyclohept Triene) dyruthenium, combination of dichloro (cyclooctadiene) thurenium, combination of Tetrachloro-bis (norbornadiene) dyruthenium, dichloro-tetrakis (acetonyl) ruthenium, dichloro-tetraki S (propionitrile) ruthenium, dichloro-tetrakis (butyronitrile) ruthenium, dichloro-tetrakis (benzonitrile) hole Thenium, Dichloro-tetra (Pyridine) Ruthenium, Dichloro-Tris (2,2 \ '- Bipiridine) Ruthenium, Dichloro-Tris (4,4 \ '- dimethyl -2,2 \ '- bipiridine) ruthenium dichloro-tris (1,10-phenanthroline) ruthenium Dichloro-bis (acetylsulfide) bis (triphenylphosphine) ruthenium, and dichloro-tetrakis (dimethyl sulfoxide) ruthe. Aluminum 5. Process according to claim 1, where the ruthenium complexes of formula (I) are used in amounts from 0.01 to 250 ppm by weight, in the ruthenium weight term, on the weight of the reaction system. all 6. Process according to claim 1, where the decomposition process is performed at a temperature of 25 to 180 ํ under a pressure of 1 to 30 atmospheres. 7. Process according to claim 1, where the ruthenium complexes of formula (I) are separated and recovered by filtration and recycling.