CH454166A - Verfahren zur Herstellung von Chromanen - Google Patents
Verfahren zur Herstellung von ChromanenInfo
- Publication number
- CH454166A CH454166A CH900365A CH900365A CH454166A CH 454166 A CH454166 A CH 454166A CH 900365 A CH900365 A CH 900365A CH 900365 A CH900365 A CH 900365A CH 454166 A CH454166 A CH 454166A
- Authority
- CH
- Switzerland
- Prior art keywords
- chromans
- making
- making chromans
- Prior art date
Links
Classifications
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB26818/64A GB1112011A (en) | 1964-06-29 | 1964-06-29 | Chroman derivatives |
| GB1508965 | 1965-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH454166A true CH454166A (de) | 1968-04-15 |
Family
ID=26251037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH900365A CH454166A (de) | 1964-06-29 | 1965-06-28 | Verfahren zur Herstellung von Chromanen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3395158A (de) |
| CH (1) | CH454166A (de) |
| DE (1) | DE1518447A1 (de) |
| DK (1) | DK108977C (de) |
| GB (1) | GB1112011A (de) |
| NL (1) | NL6508323A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3476772A (en) * | 1966-10-20 | 1969-11-04 | Eastman Kodak Co | Chroman derivatives of 2,5-dimethyl-2,4-hexadiene |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3026330A (en) * | 1960-05-09 | 1962-03-20 | Merck & Co Inc | Chroman compounds having antioxidant activity |
| US3064012A (en) * | 1960-07-20 | 1962-11-13 | Merck & Co Inc | Derivatives of coenzyme q10 |
-
1964
- 1964-06-29 GB GB26818/64A patent/GB1112011A/en not_active Expired
-
1965
- 1965-06-28 CH CH900365A patent/CH454166A/de unknown
- 1965-06-29 DK DK331565AA patent/DK108977C/da active
- 1965-06-29 DE DE19651518447 patent/DE1518447A1/de active Pending
- 1965-06-29 NL NL6508323A patent/NL6508323A/xx unknown
- 1965-06-29 US US468132A patent/US3395158A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1112011A (en) | 1968-05-01 |
| US3395158A (en) | 1968-07-30 |
| NL6508323A (de) | 1965-12-30 |
| DK108977C (da) | 1968-03-04 |
| DE1518447A1 (de) | 1969-08-07 |
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