CONVERSION OF CIS AND TRANS-CYCLODODECENE OXIDE TO CYCLODODECANONE
PROBLEM TO BE SOLVED: To convert cis-and trans-cyclododecene oxide to cyclododecanone without causing a by-product unusable for a primary product and a final product. SOLUTION: Cis-and trans-Cyclododecene oxides are converted to cyclododecanone by using hydrogen excited by a catalyst in the presence...
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| creator | LIEDLOFF HANNS-JOERG |
| description | PROBLEM TO BE SOLVED: To convert cis-and trans-cyclododecene oxide to cyclododecanone without causing a by-product unusable for a primary product and a final product. SOLUTION: Cis-and trans-Cyclododecene oxides are converted to cyclododecanone by using hydrogen excited by a catalyst in the presence of the copper catalyst containing 0.4-4 wt.% of chromium, 0.6-8 wt.% of barium and fine particle silicic acid or activated alumina as a carrier or constituted of copper or a copper compound and zinc oxide) at 150-260 deg.C under atmosphere or pressure a little higher than atmosphere. The conversion is advanced through cyclododecen-3-ol and cyclododecen-3-one to give cyclododecene as a by-product. Cyclododecene is separated by distillation and is used in the production of cis-and trans-cyclododecene oxide. |
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SOLUTION: Cis-and trans-Cyclododecene oxides are converted to cyclododecanone by using hydrogen excited by a catalyst in the presence of the copper catalyst containing 0.4-4 wt.% of chromium, 0.6-8 wt.% of barium and fine particle silicic acid or activated alumina as a carrier or constituted of copper or a copper compound and zinc oxide) at 150-260 deg.C under atmosphere or pressure a little higher than atmosphere. The conversion is advanced through cyclododecen-3-ol and cyclododecen-3-one to give cyclododecene as a by-product. 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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 | CONVERSION OF CIS AND TRANS-CYCLODODECENE OXIDE TO CYCLODODECANONE |
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