DE3261136D1 - Process for preparing alkanoic acids or esters thereof by rearrangement of alpha-halo-ketones in protic medium and in the presence of a non-noble metal salt - Google Patents

Process for preparing alkanoic acids or esters thereof by rearrangement of alpha-halo-ketones in protic medium and in the presence of a non-noble metal salt

Info

Publication number
DE3261136D1
DE3261136D1 DE8282200916T DE3261136T DE3261136D1 DE 3261136 D1 DE3261136 D1 DE 3261136D1 DE 8282200916 T DE8282200916 T DE 8282200916T DE 3261136 T DE3261136 T DE 3261136T DE 3261136 D1 DE3261136 D1 DE 3261136D1
Authority
DE
Germany
Prior art keywords
rearrangement
halo
ketones
alpha
esters
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
DE8282200916T
Other languages
German (de)
English (en)
Inventor
Claudio Giordano
Giovanni Villa
Fulvio Uggeri
Graziano Castaldi
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.)
Blaschim SpA
Original Assignee
Blaschim SpA
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 Blaschim SpA filed Critical Blaschim SpA
Application granted granted Critical
Publication of DE3261136D1 publication Critical patent/DE3261136D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/63—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/84—Ketones containing a keto group bound to a six-membered aromatic ring containing ether groups, groups, groups, or groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides

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)
  • Heterocyclic Compounds Containing Sulfur Atoms (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE8282200916T 1981-07-23 1982-07-19 Process for preparing alkanoic acids or esters thereof by rearrangement of alpha-halo-ketones in protic medium and in the presence of a non-noble metal salt Expired DE3261136D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23085/81A IT1167476B (it) 1981-07-23 1981-07-23 Procedimento per preparare acidi alcanoici o i loro esteri mediante riarrangiamento di alfa-alogeno-chetoni in mezzo protico e in presenza di un sale di un metallo non nobile

Publications (1)

Publication Number Publication Date
DE3261136D1 true DE3261136D1 (en) 1984-12-06

Family

ID=11203609

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282200916T Expired DE3261136D1 (en) 1981-07-23 1982-07-19 Process for preparing alkanoic acids or esters thereof by rearrangement of alpha-halo-ketones in protic medium and in the presence of a non-noble metal salt

Country Status (6)

Country Link
US (1) US4675418A (enExample)
EP (1) EP0071299B1 (enExample)
JP (1) JPS5824526A (enExample)
AT (1) ATE10087T1 (enExample)
DE (1) DE3261136D1 (enExample)
IT (1) IT1167476B (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3362024D1 (en) * 1982-08-06 1986-03-13 Zambon Spa Process for preparing alpha arylalkanoic acids
IT1210947B (it) * 1982-11-03 1989-09-29 Zambon Spa Procedimento per preparare esteri di acidi arilalcanoici
JPS59137442A (ja) * 1983-01-25 1984-08-07 Mitsui Toatsu Chem Inc α−芳香族基置換アルカン酸類の製造方法
ATE23987T1 (de) * 1984-02-02 1986-12-15 Zambon Spa Verfahren zur herstellung von alpharylalkans|uren.
IT1174084B (it) * 1984-05-10 1987-07-01 Blaschim Spa Procentimento per preparare il naproxen
FR2564459B1 (fr) * 1984-05-16 1986-10-31 Delalande Sa Procede de preparation d'acides hydratropiques et de leurs esters, a partir de propiophenones
US4670586A (en) * 1984-09-12 1987-06-02 Nippon Chemicals Co., Ltd. Method for the production of α-aryl-alkanoic acid
FR2573753B1 (fr) * 1984-11-29 1987-03-20 Sanofi Sa Procede de preparation d'a-hydroxy-acides et composes obtenus par ce procede
FR2573754B1 (fr) * 1984-11-29 1987-02-27 Sanofi Sa Procede de preparation d'acides a-hydroxyphenylalcanoiques et composes obtenus par ce procede
US5266723A (en) * 1989-05-16 1993-11-30 Medice, Ltd., Chem.-Pharm. Fabrik Putter Gmbh & Co. Kg Process for the preparation of optically active 2-aryl-alkanoic acids, especially 2-aryl-propionic acids

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1109200B (it) * 1979-02-20 1985-12-16 Montedison Spa Processo per la preparazione di esteri di acidi arilacetici da alfa-alo-alchilarilchetoni
IE50897B1 (en) * 1980-02-26 1986-08-06 Blaschim Spa Process for preparing esters of alkanoic acids via rearrangement of alpha-haloketals

Also Published As

Publication number Publication date
US4675418A (en) 1987-06-23
ATE10087T1 (de) 1984-11-15
EP0071299A1 (en) 1983-02-09
JPS6113686B2 (enExample) 1986-04-15
JPS5824526A (ja) 1983-02-14
IT1167476B (it) 1987-05-13
IT8123085A0 (it) 1981-07-23
IT8123085A1 (it) 1983-01-23
EP0071299B1 (en) 1984-10-31

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee