CH506516A - Process for the production of chromanols - Google Patents
Process for the production of chromanolsInfo
- Publication number
- CH506516A CH506516A CH197069A CH197069A CH506516A CH 506516 A CH506516 A CH 506516A CH 197069 A CH197069 A CH 197069A CH 197069 A CH197069 A CH 197069A CH 506516 A CH506516 A CH 506516A
- Authority
- CH
- Switzerland
- Prior art keywords
- chromanols
- production
- Prior art date
Links
Classifications
-
- 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
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/06—Aluminium compounds
- C07F5/069—Aluminium compounds without C-aluminium linkages
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/64—Preparation of O-metal compounds with O-metal group bound to a carbon atom belonging to a six-membered aromatic ring
- C07C37/66—Preparation of O-metal compounds with O-metal group bound to a carbon atom belonging to a six-membered aromatic ring by conversion of hydroxy groups to O-metal groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
- C07C39/02—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring monocyclic with no unsaturation outside the aromatic ring
- C07C39/08—Dihydroxy benzenes; Alkylated derivatives thereof
-
- 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
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/02—Boron compounds
- C07F5/022—Boron compounds without C-boron linkages
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyrane Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70849568A | 1968-02-27 | 1968-02-27 | |
US77719968A | 1968-11-19 | 1968-11-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH506516A true CH506516A (en) | 1971-04-30 |
Family
ID=27108095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH197069A CH506516A (en) | 1968-02-27 | 1969-02-10 | Process for the production of chromanols |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS5123508B1 (en) |
AT (1) | AT305500B (en) |
BE (1) | BE728938A (en) |
BR (1) | BR6906644D0 (en) |
CH (1) | CH506516A (en) |
DE (1) | DE1909164C3 (en) |
DK (1) | DK123479B (en) |
FR (1) | FR2002683A1 (en) |
GB (1) | GB1204840A (en) |
NL (1) | NL6902922A (en) |
SE (1) | SE359092B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2606830C3 (en) * | 1976-02-20 | 1981-08-27 | Basf Ag, 6700 Ludwigshafen | Process for the production of tocopherol |
JPS59191553A (en) * | 1983-04-14 | 1984-10-30 | Nippon Kokan Kk <Nkk> | Header pipe for billet cooler of continuous casting machine for round billet |
JP3839071B2 (en) * | 1993-12-07 | 2006-11-01 | 有限会社ケムフィズ | Chroman derivatives |
ES2264230T3 (en) * | 1998-04-06 | 2006-12-16 | Dsm Ip Assets B.V. | PROCEDURE FOR THE OBTAINING OF D, 1-ALFA-TOCOPHEROL, IN A CARBONATE SOLVENT AND IN THE PRESENCE OF AN ACID CATALYST CONTAINING SULFUR. |
-
1969
- 1969-02-10 CH CH197069A patent/CH506516A/en not_active IP Right Cessation
- 1969-02-21 DK DK98669A patent/DK123479B/en unknown
- 1969-02-24 SE SE252769A patent/SE359092B/xx unknown
- 1969-02-24 DE DE19691909164 patent/DE1909164C3/en not_active Expired
- 1969-02-25 NL NL6902922A patent/NL6902922A/xx not_active Application Discontinuation
- 1969-02-26 BE BE728938D patent/BE728938A/xx unknown
- 1969-02-26 BR BR20664469A patent/BR6906644D0/en unknown
- 1969-02-26 GB GB1032169A patent/GB1204840A/en not_active Expired
- 1969-02-26 FR FR6904914A patent/FR2002683A1/fr not_active Withdrawn
- 1969-02-26 AT AT192369A patent/AT305500B/en not_active IP Right Cessation
-
1972
- 1972-01-07 JP JP725139A patent/JPS5123508B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AT305500B (en) | 1973-02-26 |
BE728938A (en) | 1969-08-26 |
DK123479B (en) | 1972-06-26 |
SE359092B (en) | 1973-08-20 |
JPS5123508B1 (en) | 1976-07-17 |
DE1909164B2 (en) | 1978-11-23 |
BR6906644D0 (en) | 1973-02-08 |
FR2002683A1 (en) | 1969-10-31 |
NL6902922A (en) | 1969-08-29 |
DE1909164A1 (en) | 1969-10-09 |
GB1204840A (en) | 1970-09-09 |
DE1909164C3 (en) | 1979-07-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |