PRODUCTION OF CYCLOALKANOLS OR CYCLOALKANONES
PURPOSE:To improve selectivity of the subject compound by the coexistence of an aromatic carboxylic acid with a piperidine derivative or aromatic amine in a reaction system in oxidizing cycloalkanes in the presence of a boron compound. CONSTITUTION:Cycloalkanes are oxidized in the liquid phase in th...
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| creator | MATSUOKA TAKESHI OSHIMA ETSUKAZU HABU HARUO |
| description | PURPOSE:To improve selectivity of the subject compound by the coexistence of an aromatic carboxylic acid with a piperidine derivative or aromatic amine in a reaction system in oxidizing cycloalkanes in the presence of a boron compound. CONSTITUTION:Cycloalkanes are oxidized in the liquid phase in the presence of a boron compound and further in the coexistence of a piperidine derivative expressed by the formula (R1 is H, alkyl, oxygen radical, alkoxy or hydroxyl; R2 to R9 are H or alkyl; at least one of R2, R3, R4 and R7 is alkyl) and/or a secondary or tertiary aromatic amine using a molecular oxygen-containing gas, preferably in 5-21vol.% oxygen concentration at 100-250 deg.C, preferably 150-180 deg.C to afford the objective compound. The reaction pressure is preferably about 5-25kg/cm G and pressurization is preferably carried out with an inert gas. Furthermore, the amount of the aromatic carboxylic acid used is optimally 1X10 to 1X10mol based on 1kg raw material cycloalkanes. |
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CONSTITUTION:Cycloalkanes are oxidized in the liquid phase in the presence of a boron compound and further in the coexistence of a piperidine derivative expressed by the formula (R1 is H, alkyl, oxygen radical, alkoxy or hydroxyl; R2 to R9 are H or alkyl; at least one of R2, R3, R4 and R7 is alkyl) and/or a secondary or tertiary aromatic amine using a molecular oxygen-containing gas, preferably in 5-21vol.% oxygen concentration at 100-250 deg.C, preferably 150-180 deg.C to afford the objective compound. The reaction pressure is preferably about 5-25kg/cm G and pressurization is preferably carried out with an inert gas. 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CONSTITUTION:Cycloalkanes are oxidized in the liquid phase in the presence of a boron compound and further in the coexistence of a piperidine derivative expressed by the formula (R1 is H, alkyl, oxygen radical, alkoxy or hydroxyl; R2 to R9 are H or alkyl; at least one of R2, R3, R4 and R7 is alkyl) and/or a secondary or tertiary aromatic amine using a molecular oxygen-containing gas, preferably in 5-21vol.% oxygen concentration at 100-250 deg.C, preferably 150-180 deg.C to afford the objective compound. The reaction pressure is preferably about 5-25kg/cm G and pressurization is preferably carried out with an inert gas. Furthermore, the amount of the aromatic carboxylic acid used is optimally 1X10<-5> to 1X10<-3>mol based on 1kg raw material cycloalkanes.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | PRODUCTION OF CYCLOALKANOLS OR CYCLOALKANONES |
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