FR1169570A - Method for preparing vitamin a - Google Patents
Method for preparing vitamin aInfo
- Publication number
- FR1169570A FR1169570A FR1169570DA FR1169570A FR 1169570 A FR1169570 A FR 1169570A FR 1169570D A FR1169570D A FR 1169570DA FR 1169570 A FR1169570 A FR 1169570A
- Authority
- FR
- France
- Prior art keywords
- preparing vitamin
- vitamin
- preparing
- 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
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
- C07C403/06—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
- C07C403/08—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 hydroxy groups
-
- 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
-
- 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
- C07C403/18—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 nitrogen atoms
-
- 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 |
---|---|---|---|
NL813517X | 1955-09-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1169570A true FR1169570A (en) | 1958-12-31 |
Family
ID=19838789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1169570D Expired FR1169570A (en) | 1955-09-14 | 1956-09-12 | Method for preparing vitamin a |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1041950B (en) |
FR (1) | FR1169570A (en) |
GB (1) | GB813517A (en) |
NL (1) | NL99527C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2623805A1 (en) * | 1987-12-01 | 1989-06-02 | Rhone Poulenc Sante | PROCESS FOR THE PREPARATION OF VITAMIN A |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110950791B (en) * | 2019-12-09 | 2021-12-14 | 万华化学集团股份有限公司 | Vitamin A and preparation method of vitamin A ester |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE857952C (en) * | 1950-07-12 | 1952-12-04 | Philips Nv | Process for the preparation of ª-ionylideneacetaldehyde |
GB717904A (en) * | 1949-07-16 | 1954-11-03 | Philips Nv | Improvements in or relating to methods of producing ª‰-ionylidene acetaldehyde |
DE918987C (en) * | 1950-11-25 | 1954-10-11 | Eastman Kodak Co | Process for the synthesis of vitamin A active compounds |
-
0
- NL NL99527D patent/NL99527C/xx active
-
1956
- 1956-09-11 GB GB27754/56A patent/GB813517A/en not_active Expired
- 1956-09-12 DE DEN12710A patent/DE1041950B/en active Pending
- 1956-09-12 FR FR1169570D patent/FR1169570A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2623805A1 (en) * | 1987-12-01 | 1989-06-02 | Rhone Poulenc Sante | PROCESS FOR THE PREPARATION OF VITAMIN A |
EP0319407A1 (en) * | 1987-12-01 | 1989-06-07 | Rhone-Poulenc Sante | Process for the preparation of vitamin A |
Also Published As
Publication number | Publication date |
---|---|
DE1041950B (en) | 1958-10-30 |
NL99527C (en) | |
GB813517A (en) | 1959-05-21 |
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