GB636935A - Improvements in or relating to the production of a vitamin a intermediate - Google Patents
Improvements in or relating to the production of a vitamin a intermediateInfo
- Publication number
- GB636935A GB636935A GB2902/48A GB290248A GB636935A GB 636935 A GB636935 A GB 636935A GB 2902/48 A GB2902/48 A GB 2902/48A GB 290248 A GB290248 A GB 290248A GB 636935 A GB636935 A GB 636935A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dimethyl
- vitamin
- relating
- production
- acid
- 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
- 229940045997 vitamin a Drugs 0.000 title 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 3
- 150000004820 halides Chemical class 0.000 abstract 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- VQNPSCRXHSIJTH-UHFFFAOYSA-N cadmium(2+);carbanide Chemical compound [CH3-].[CH3-].[Cd+2] VQNPSCRXHSIJTH-UHFFFAOYSA-N 0.000 abstract 1
- ATZBPOVXVPIOMR-UHFFFAOYSA-N dimethylmercury Chemical compound C[Hg]C ATZBPOVXVPIOMR-UHFFFAOYSA-N 0.000 abstract 1
- AXAZMDOAUQTMOW-UHFFFAOYSA-N dimethylzinc Chemical compound C[Zn]C AXAZMDOAUQTMOW-UHFFFAOYSA-N 0.000 abstract 1
- 150000002576 ketones Chemical class 0.000 abstract 1
- -1 oxalyl halide Chemical class 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 239000011574 phosphorus Substances 0.000 abstract 1
- 239000008096 xylene Substances 0.000 abstract 1
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
- C07C403/14—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
- 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
- C07C403/20—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 carboxyl groups or halides, anhydrides, or (thio)esters thereof
-
- 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 |
|---|---|---|---|
| US262796XA | 1946-07-24 | 1946-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB636935A true GB636935A (en) | 1950-05-10 |
Family
ID=21830900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2902/48A Expired GB636935A (en) | 1946-07-24 | 1948-01-31 | Improvements in or relating to the production of a vitamin a intermediate |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE480274A (en:Method) |
| CH (1) | CH262796A (en:Method) |
| FR (1) | FR963812A (en:Method) |
| GB (1) | GB636935A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1003726B (de) * | 1953-01-22 | 1957-03-07 | Philips Nv | Verfahren zur Herstellung von ª‡, ª‰-ungesaettigten Saeurehalogeniden der Vitamin-A-Reihe |
| DE1045396B (de) * | 1953-01-22 | 1958-12-04 | Philips Nv | Verfahren zur Herstellung von Vitamin A |
-
0
- FR FR963812D patent/FR963812A/fr not_active Expired
- BE BE480274D patent/BE480274A/xx unknown
-
1947
- 1947-12-31 CH CH262796D patent/CH262796A/de unknown
-
1948
- 1948-01-31 GB GB2902/48A patent/GB636935A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH262796A (de) | 1949-07-31 |
| BE480274A (en:Method) | |
| FR963812A (en:Method) | 1950-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB636935A (en) | Improvements in or relating to the production of a vitamin a intermediate | |
| FR1002507A (fr) | Procédé de production d'électricité et pile en comportant application | |
| AU134697B2 (en) | Improvements in or relating to methods of making new substituted Dihydroimidazolium compounds, and the improved organic compounds resulting therefrom | |
| CA437818A (en) | Laundry proof fastener | |
| AU134002B2 (en) | Improvements in or relating to methods of making dihydroi-midazolium compounds, and the improved organic compounds resulting therefrom | |
| CA445110A (en) | Production of n-alkylated compounds of condensed arylpyrrols | |
| CA438440A (en) | Stamped lock nut | |
| AU129361B2 (en) | Improvements relating to combination lock | |
| CA433401A (en) | Calcium chromate production | |
| CA433944A (en) | Organic compound production | |
| AU130998B2 (en) | Improvements in or relating to methods of making new substituted dihydroimidazolium compounds, andthe improved organic compounds resulting therefrom | |
| AU126324B2 (en) | Manufacture of 2:4:5-trichlorophenylacetic acid | |
| CA438612A (en) | Cast sheet production | |
| CA435259A (en) | Production of 2,2,3 trichloro- and tribromo-alkanal-1 compounds and hydrates | |
| CA432737A (en) | Polymeric compound production | |
| AU2183645A (en) | Improvements relating to combination lock | |
| CA430679A (en) | Superfine asbestos production | |
| AU148966B2 (en) | Improvirments in or relating to induction accelerator for electrons | |
| AU130250B2 (en) | Improvements relating to door fastenings | |
| CA434078A (en) | Latch | |
| CA435051A (en) | Pentaerythritol manufacturing process | |
| CA438163A (en) | Safety lock | |
| CA433925A (en) | Sulphuric acid manufacture | |
| CA438158A (en) | Door draft closure | |
| CA434556A (en) | Door lock |