GB484995A - Improvements in the catalytic reduction of carboxylic acids - Google Patents

Improvements in the catalytic reduction of carboxylic acids

Info

Publication number
GB484995A
GB484995A GB3070536A GB3070536A GB484995A GB 484995 A GB484995 A GB 484995A GB 3070536 A GB3070536 A GB 3070536A GB 3070536 A GB3070536 A GB 3070536A GB 484995 A GB484995 A GB 484995A
Authority
GB
United Kingdom
Prior art keywords
reduced
hydrogen
atmospheres
copper
cobalt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3070536A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB3070536A priority Critical patent/GB484995A/en
Publication of GB484995A publication Critical patent/GB484995A/en
Expired legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
    • C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
    • C07C29/147—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
    • C07C29/149—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof with hydrogen or hydrogen-containing gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Alcohols are produced by the reduction of free high molecular weight non-aromatic acids with hydrogen under pressure in the presence of nickel, cobalt, and/or copper and of basic oxides of di- or tri-valent metals in amount at least equivalent to the free carboxylic acid present. Alternatively the salts of the carboxylic acid with di- or tri-valent metals, may be reduced with hydrogen. Suitable acids are those having at least 8 carbon atoms such as stearic, oleic, and palmitic acids, the oxidation products of paraffin wax, higher paraffin hydrocarbons, and of hydrogenation products of coal, tars and mineral oils in the liquid phase preferably at 100-200 DEG C. with oxygen, nitrous gases, nitric acid and the like in the presence of catalysts such as manganese palmitate, sodium carbonate-manganese stearate, sodium palmitate-aluminium palmitate and the like. When the soaps are to be reduced they may be in solution or suspension in alcohols such as dodecyl or hexadecyl alcohol, dioxane or ethers or paraffins of high molecular weight. In examples, (1) paraffin oil is oxidized with air at 140 DEG C. in the presence of manganese stearate, and the product is reduced with hydrogen at 200 atmospheres, in the presence of a catalyst consisting of 15 parts cobalt and 85 parts magnesia; (2) a similar oxidation product of paraffin oil made in the presence of calcium naphthenate is reduced with hydrogen in the presence of a cobalt-calcium oxide catalyst; (3) an oxidation product of Diesel oil is reduced in the presence of a copper-magnesia catalyst at 270 atmospheres; (4) an oxidation product of soft paraffin wax is heated with zinc oxide at 100 DEG C. and reduced in the presence of a copper-magnesia-chromium oxide catalyst at 200 atmospheres.
GB3070536A 1936-11-10 1936-11-10 Improvements in the catalytic reduction of carboxylic acids Expired GB484995A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3070536A GB484995A (en) 1936-11-10 1936-11-10 Improvements in the catalytic reduction of carboxylic acids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3070536A GB484995A (en) 1936-11-10 1936-11-10 Improvements in the catalytic reduction of carboxylic acids

Publications (1)

Publication Number Publication Date
GB484995A true GB484995A (en) 1938-05-10

Family

ID=10311843

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3070536A Expired GB484995A (en) 1936-11-10 1936-11-10 Improvements in the catalytic reduction of carboxylic acids

Country Status (1)

Country Link
GB (1) GB484995A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149021A (en) 1977-04-25 1979-04-10 Chevron Research Company Ester hydrogenation using cobalt, zinc and copper oxide catalyst

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149021A (en) 1977-04-25 1979-04-10 Chevron Research Company Ester hydrogenation using cobalt, zinc and copper oxide catalyst

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