GB1109228A - Process for the catalytic oxidation of alcohols - Google Patents

Process for the catalytic oxidation of alcohols

Info

Publication number
GB1109228A
GB1109228A GB19854/66A GB1985466A GB1109228A GB 1109228 A GB1109228 A GB 1109228A GB 19854/66 A GB19854/66 A GB 19854/66A GB 1985466 A GB1985466 A GB 1985466A GB 1109228 A GB1109228 A GB 1109228A
Authority
GB
United Kingdom
Prior art keywords
acid
iridium metal
ethanol
primary
acetic
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
GB19854/66A
Inventor
Robert Stevenson Coffey
John Charlton
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB19854/66A priority Critical patent/GB1109228A/en
Priority claimed from GB19172/65A external-priority patent/GB1126022A/en
Priority to NL6606199A priority patent/NL6606199A/xx
Publication of GB1109228A publication Critical patent/GB1109228A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/468—Iridium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/50—Carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/37—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
    • C07C45/38—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups being a primary hydroxyl group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/37—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
    • C07C45/39—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups being a secondary hydroxyl group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
    • C07C51/235—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups of —CHO groups or primary alcohol groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
    • C07C51/245—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups of keto groups or secondary alcohol groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/02—Formic acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)

Abstract

Iridium metal is produced by refluxing a solution of an iridate, iridite or corresponding acid, e.g. chloroiridic acid, under an inert atmosphere in a reducing organic solvent such as a primary or secondary aliphatic alcohol, e.g. ethanol, or a mixture of acetic and formic acids optionally in the presence of ammonium acetate.ALSO:Primary and secondary aliphatic alcohols are oxidized to aldehydes, ketones and/or acids by contacting the alcohol in the liquid phase with an oxygen-containing gas in the presence of iridium metal. The catalyst, which is preferably unsupported, is produced by precipitation of iridium metal from a boiling solution of an iridate, iridite or corresponding acid, e.g. chloroiridic acid, under an inert atmosphere in a reducing organic solvent such as the alcohol to be reduced or a mixture of acetic and formic acids. Primary and secondary, saturated and unsaturated, monohydric and polyhydric alcohols, preferably methanol, ethanol, isopropanol and n-butanol may be oxidized using 10-3 to 10-5 moles per litre of iridium metal optionally in the presence of water amounting to up to 50% by weight of the reaction mixture. Acetone, acetic acid and acetaldehyde, and formic acid and methyl formate are obtained from isopropanol, ethanol and methanol respectively.
GB19854/66A 1965-05-06 1965-05-06 Process for the catalytic oxidation of alcohols Expired GB1109228A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB19854/66A GB1109228A (en) 1965-05-06 1965-05-06 Process for the catalytic oxidation of alcohols
NL6606199A NL6606199A (en) 1965-05-06 1966-05-06

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB19854/66A GB1109228A (en) 1965-05-06 1965-05-06 Process for the catalytic oxidation of alcohols
GB19172/65A GB1126022A (en) 1965-05-06 1965-05-06 Process for the decomposition of formic acid
GB1917365 1965-05-06

Publications (1)

Publication Number Publication Date
GB1109228A true GB1109228A (en) 1968-04-10

Family

ID=27257717

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19854/66A Expired GB1109228A (en) 1965-05-06 1965-05-06 Process for the catalytic oxidation of alcohols

Country Status (2)

Country Link
GB (1) GB1109228A (en)
NL (1) NL6606199A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3354623B1 (en) * 2017-01-25 2019-11-13 Heraeus Deutschland GmbH & Co. KG Method for the production of high purity iridium (iii) chloride hydrate

Also Published As

Publication number Publication date
NL6606199A (en) 1966-11-07

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