CH277981A - Process for the preparation of alpha-ionones. - Google Patents

Process for the preparation of alpha-ionones.

Info

Publication number
CH277981A
CH277981A CH277981DA CH277981A CH 277981 A CH277981 A CH 277981A CH 277981D A CH277981D A CH 277981DA CH 277981 A CH277981 A CH 277981A
Authority
CH
Switzerland
Prior art keywords
ionones
alpha
preparation
Prior art date
Application number
Other languages
French (fr)
Inventor
L Givaudan Co Societe Anonyme
Original Assignee
Givaudan & Co Societe Anonyme
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 Givaudan & Co Societe Anonyme filed Critical Givaudan & Co Societe Anonyme
Publication of CH277981A publication Critical patent/CH277981A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C403/00—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone
    • C07C403/24—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by six-membered non-aromatic rings, e.g. beta-carotene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C403/00—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone
    • C07C403/14—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by doubly-bound oxygen atoms
    • C07C403/16—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by doubly-bound oxygen atoms not being part of —CHO groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/16—Systems containing only non-condensed rings with a six-membered ring the ring being unsaturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH277981D 1948-02-05 1948-09-28 Process for the preparation of alpha-ionones. CH277981A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US277981XA 1948-02-05 1948-02-05

Publications (1)

Publication Number Publication Date
CH277981A true CH277981A (en) 1951-09-30

Family

ID=21839845

Family Applications (1)

Application Number Title Priority Date Filing Date
CH277981D CH277981A (en) 1948-02-05 1948-09-28 Process for the preparation of alpha-ionones.

Country Status (5)

Country Link
CH (1) CH277981A (en)
DE (1) DE812313C (en)
FR (1) FR975344A (en)
GB (1) GB666993A (en)
NL (1) NL69166C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1028992B (en) * 1955-09-06 1958-04-30 Hoffmann La Roche Process for the production of unsaturated ketones

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE931351C (en) * 1948-05-04 1955-08-08 Givaudan & Cie Sa Process for the production of isomeric 6-methyl-ª ‡ -ionons (ª ‡ -ions) by ring closure of 3-methyl pseudoionons
DE1045393B (en) * 1956-05-04 1958-12-04 Dragoco Gerberding Co Gmbh Process for the preparation of derivatives of the 1,1-dimethyloctahydronaphthalene series
DE1109677B (en) * 1958-08-01 1961-06-29 Hoffmann La Roche Process for the preparation of unsaturated ketones of the ionone type
DE1104504B (en) * 1958-12-17 1961-04-13 Hoffmann La Roche Process for the preparation of unsaturated cyclic ketones
DE1112736B (en) * 1959-01-16 1961-08-17 Hoffmann La Roche Process for the production of alicyclic ketones with valuable fragrance properties
DE1109679B (en) * 1959-03-20 1961-06-29 Hoffmann La Roche Process for the preparation of unsaturated cyclic ketones
DE1137008B (en) * 1961-03-11 1962-09-27 Basf Ag Process for the preparation of ionone compounds
AT382867B (en) * 1983-07-28 1987-04-27 Inst Khim Akademii Nauk Estons METHOD FOR PRODUCING HIGH QUALITY 4-METHYLJONONE WITH PERFUME QUALITY
CN117069571A (en) * 2023-08-08 2023-11-17 万华化学集团股份有限公司 Preparation method of isomethyl ionone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1028992B (en) * 1955-09-06 1958-04-30 Hoffmann La Roche Process for the production of unsaturated ketones

Also Published As

Publication number Publication date
NL69166C (en)
GB666993A (en) 1952-02-20
DE812313C (en) 1951-08-27
FR975344A (en) 1951-03-05

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