CH491900A - Verfahren zur kontinuierlichen Herstellung von Vitamin-A-estern - Google Patents
Verfahren zur kontinuierlichen Herstellung von Vitamin-A-esternInfo
- Publication number
- CH491900A CH491900A CH1717866A CH1717866A CH491900A CH 491900 A CH491900 A CH 491900A CH 1717866 A CH1717866 A CH 1717866A CH 1717866 A CH1717866 A CH 1717866A CH 491900 A CH491900 A CH 491900A
- Authority
- CH
- Switzerland
- Prior art keywords
- vitamin
- esters
- continuous production
- continuous
- production
- 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
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B37/00—Reactions without formation or introduction of functional groups containing hetero atoms, involving either the formation of a carbon-to-carbon bond between two carbon atoms not directly linked already or the disconnection of two directly linked carbon atoms
-
- 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
- C07C403/06—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 singly-bound oxygen atoms
- C07C403/12—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 singly-bound oxygen atoms by esterified hydroxy 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)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH554670A CH491901A (de) | 1965-12-18 | 1966-12-01 | Verfahren zur kontinuierlichen Herstellung von Vitamin-A-estern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB85034A DE1279677B (de) | 1965-12-18 | 1965-12-18 | Verfahren zur Durchfuehrung von Synthesen mit Phosphoryliden |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH491900A true CH491900A (de) | 1970-06-15 |
Family
ID=6982725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1717866A CH491900A (de) | 1965-12-18 | 1966-12-01 | Verfahren zur kontinuierlichen Herstellung von Vitamin-A-estern |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT264548B (sv) |
| BE (1) | BE691253A (sv) |
| CH (1) | CH491900A (sv) |
| DE (1) | DE1279677B (sv) |
| DK (1) | DK122757B (sv) |
| GB (1) | GB1168639A (sv) |
| NL (2) | NL6617671A (sv) |
| SU (1) | SU362537A3 (sv) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH601219A5 (sv) * | 1976-07-26 | 1978-06-30 | Hoffmann La Roche | |
| WO2022241669A1 (zh) * | 2021-05-19 | 2022-11-24 | 万华化学集团股份有限公司 | 一种维生素a醋酸酯的制备方法 |
-
0
- NL NL127397D patent/NL127397C/xx active
-
1965
- 1965-12-18 DE DEB85034A patent/DE1279677B/de active Pending
-
1966
- 1966-12-01 CH CH1717866A patent/CH491900A/de not_active IP Right Cessation
- 1966-12-12 SU SU1118863A patent/SU362537A3/ru active
- 1966-12-15 NL NL6617671A patent/NL6617671A/xx unknown
- 1966-12-15 BE BE691253D patent/BE691253A/xx not_active IP Right Cessation
- 1966-12-16 AT AT1162766A patent/AT264548B/de active
- 1966-12-16 DK DK652166AA patent/DK122757B/da unknown
- 1966-12-16 GB GB56427/66A patent/GB1168639A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT264548B (de) | 1968-09-10 |
| NL127397C (sv) | |
| DE1279677B (de) | 1968-10-10 |
| SU362537A3 (sv) | 1972-12-13 |
| NL6617671A (sv) | 1967-06-19 |
| DK122757B (da) | 1972-04-10 |
| BE691253A (sv) | 1967-06-15 |
| GB1168639A (en) | 1969-10-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |