CH277981A - Procédé de préparation d'alpha-ionones. - Google Patents
Procédé de préparation d'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
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)
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 (fr) | 1951-09-30 |
Family
ID=21839845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH277981D CH277981A (fr) | 1948-02-05 | 1948-09-28 | Procédé de préparation d'alpha-ionones. |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH277981A (fr) |
DE (1) | DE812313C (fr) |
FR (1) | FR975344A (fr) |
GB (1) | GB666993A (fr) |
NL (1) | NL69166C (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1028992B (de) * | 1955-09-06 | 1958-04-30 | Hoffmann La Roche | Verfahren zur Herstellung von ungesaettigten Ketonen |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE931351C (de) * | 1948-05-04 | 1955-08-08 | Givaudan & Cie Sa | Verfahren zur Herstellung von isomeren 6-Methyl-ª‡-jononen (ª‡-Ironen) durch Ringschluss von 3-Methylpseudojononen |
DE1045393B (de) * | 1956-05-04 | 1958-12-04 | Dragoco Gerberding Co Gmbh | Verfahren zur Herstellung von Derivaten der 1, 1-Dimethyloctahydronaphthalinreihe |
DE1109677B (de) * | 1958-08-01 | 1961-06-29 | Hoffmann La Roche | Verfahren zur Herstellung von ungesaettigten Ketonen vom Jonontyp |
DE1104504B (de) * | 1958-12-17 | 1961-04-13 | Hoffmann La Roche | Verfahren zur Herstellung von ungesaettigten cyclischen Ketonen |
DE1112736B (de) * | 1959-01-16 | 1961-08-17 | Hoffmann La Roche | Verfahren zur Herstellung von alicyclischen Ketonen mit wertvollen Riechstoffeigenschaften |
DE1109679B (de) * | 1959-03-20 | 1961-06-29 | Hoffmann La Roche | Verfahren zur Herstellung von ungesaettigten cyclischen Ketonen |
DE1137008B (de) * | 1961-03-11 | 1962-09-27 | Basf Ag | Verfahren zur Herstellung von Iononverbindungen |
AT382867B (de) * | 1983-07-28 | 1987-04-27 | Inst Khim Akademii Nauk Estons | Verfahren zur herstellung von hochwertigem 4-methyljonon mit parfumqualitaet |
-
0
- NL NL69166D patent/NL69166C/xx active
-
1948
- 1948-09-28 CH CH277981D patent/CH277981A/fr unknown
- 1948-11-22 FR FR975344D patent/FR975344A/fr not_active Expired
- 1948-11-30 GB GB31075/48A patent/GB666993A/en not_active Expired
-
1949
- 1949-01-21 DE DEP32125D patent/DE812313C/de not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1028992B (de) * | 1955-09-06 | 1958-04-30 | Hoffmann La Roche | Verfahren zur Herstellung von ungesaettigten Ketonen |
Also Published As
Publication number | Publication date |
---|---|
DE812313C (de) | 1951-08-27 |
FR975344A (fr) | 1951-03-05 |
GB666993A (en) | 1952-02-20 |
NL69166C (fr) |
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