GB353373A - Process for the manufacture of hydroaromatic carboxylic acids - Google Patents

Process for the manufacture of hydroaromatic carboxylic acids

Info

Publication number
GB353373A
GB353373A GB842/31A GB84231A GB353373A GB 353373 A GB353373 A GB 353373A GB 842/31 A GB842/31 A GB 842/31A GB 84231 A GB84231 A GB 84231A GB 353373 A GB353373 A GB 353373A
Authority
GB
United Kingdom
Prior art keywords
acid
carboxylic acids
salt
hydroaromatic
perhydronaphthyl
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
GB842/31A
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.)
Schering Kahlbaum AG
Original Assignee
Schering Kahlbaum AG
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 Schering Kahlbaum AG filed Critical Schering Kahlbaum AG
Publication of GB353373A publication Critical patent/GB353373A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/36—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by hydrogenation of carbon-to-carbon unsaturated bonds

Landscapes

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

Abstract

Hydroaromatic carboxylic acids are obtained by the catalytic hydrogenation of a salt, preferably an alkali salt, of an aromatic carboxylic acid or substitution product thereof in aqueous solution. A nickel catalyst is used. As examples are mentioned the conversion of (1) phthalic acid to trans-hexahydrophthalic acid, (2) naphthalic acid to tetra-hydronaphthalic acid, (3) naphthoyl benzoic acid to a mixture of perhydronaphthyl methyl cyclohexane carboxylic acids. The sodium salts are used as the initial material in each case.ALSO:Hydroaromatic carboxylic acids are obtained by the catalytic hydrogenation of a salt, preferably an alkali salt, of an aromatic carboxylic acid or substitution product thereof in aqueous solution. A nickel catalyst is used. Examples referred to are the conversion of (1) phthalic acid to transhexahydrophthalic acid, (2) naphthalic acid to tetrahydronaphthalic acid, (3) naphthoyl benzoic acid to a mixture of perhydronaphthyl methyl cyclohexane carboxylic acids. The sodium salts are used as the initial material in each case.
GB842/31A 1930-01-11 1931-01-09 Process for the manufacture of hydroaromatic carboxylic acids Expired GB353373A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE353373X 1930-01-11

Publications (1)

Publication Number Publication Date
GB353373A true GB353373A (en) 1931-07-23

Family

ID=6281590

Family Applications (1)

Application Number Title Priority Date Filing Date
GB842/31A Expired GB353373A (en) 1930-01-11 1931-01-09 Process for the manufacture of hydroaromatic carboxylic acids

Country Status (1)

Country Link
GB (1) GB353373A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6541662B2 (en) * 2000-12-26 2003-04-01 Mitsubishi Gas Chemical Company, Inc. Process for producing a hydrogenation product of an aromatic carboxylic acid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6541662B2 (en) * 2000-12-26 2003-04-01 Mitsubishi Gas Chemical Company, Inc. Process for producing a hydrogenation product of an aromatic carboxylic acid

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