GB1488461A - Process for the manufacture of chroman derivatives - Google Patents
Process for the manufacture of chroman derivativesInfo
- Publication number
- GB1488461A GB1488461A GB307976A GB307976A GB1488461A GB 1488461 A GB1488461 A GB 1488461A GB 307976 A GB307976 A GB 307976A GB 307976 A GB307976 A GB 307976A GB 1488461 A GB1488461 A GB 1488461A
- Authority
- GB
- United Kingdom
- Prior art keywords
- denotes
- group
- ether group
- image
- manufacture
- 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
- 238000000034 method Methods 0.000 title abstract 2
- VZWXIQHBIQLMPN-UHFFFAOYSA-N chromane Chemical class C1=CC=C2CCCOC2=C1 VZWXIQHBIQLMPN-UHFFFAOYSA-N 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 125000001033 ether group Chemical group 0.000 abstract 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 2
- GVJHHUAWPYXKBD-IEOSBIPESA-N (R)-alpha-Tocopherol Natural products OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-IEOSBIPESA-N 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 229940087168 alpha tocopherol Drugs 0.000 abstract 1
- 150000001843 chromanes Chemical class 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 125000005843 halogen group Chemical group 0.000 abstract 1
- 238000007327 hydrogenolysis reaction Methods 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 229960000984 tocofersolan Drugs 0.000 abstract 1
- 239000002076 α-tocopherol Substances 0.000 abstract 1
- 235000004835 α-tocopherol Nutrition 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/03—Ethers having all ether-oxygen atoms bound to acyclic carbon atoms
- C07C43/04—Saturated ethers
- C07C43/13—Saturated ethers containing hydroxy or O-metal groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C19/00—Acyclic saturated compounds containing halogen atoms
- C07C19/075—Acyclic saturated compounds containing halogen atoms containing bromine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
- C07C53/126—Acids containing more than four carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
- C07D311/70—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
- C07D311/72—3,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F3/00—Compounds containing elements of Groups 2 or 12 of the Periodic Table
- C07F3/02—Magnesium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyrane Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54416375A | 1975-01-27 | 1975-01-27 | |
| US05/587,570 US4016178A (en) | 1975-06-17 | 1975-06-17 | Synthesis of vitamin E |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1488461A true GB1488461A (en) | 1977-10-12 |
Family
ID=27067526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB307976A Expired GB1488461A (en) | 1975-01-27 | 1976-01-27 | Process for the manufacture of chroman derivatives |
Country Status (6)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3309158A1 (de) * | 1983-03-15 | 1984-09-20 | Basf Ag, 6700 Ludwigshafen | Verbessertes verfahren zur herstellung von (alpha)-tocopherol |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA739471B (en) * | 1972-12-22 | 1974-08-28 | Hoffmann La Roche | Chromane derivatives |
-
1976
- 1976-01-13 CH CH32576A patent/CH618695A5/de not_active IP Right Cessation
- 1976-01-23 DE DE19762602509 patent/DE2602509A1/de not_active Withdrawn
- 1976-01-23 NL NL7600707A patent/NL7600707A/xx not_active Application Discontinuation
- 1976-01-26 JP JP673176A patent/JPS51100082A/ja active Pending
- 1976-01-26 FR FR7601974A patent/FR2313385A1/fr active Granted
- 1976-01-27 GB GB307976A patent/GB1488461A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7600707A (nl) | 1976-07-29 |
| JPS51100082A (ja) | 1976-09-03 |
| FR2313385A1 (fr) | 1976-12-31 |
| DE2602509A1 (de) | 1976-07-29 |
| FR2313385B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-04-27 |
| CH618695A5 (en) | 1980-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |