JPS6244552B2 - - Google Patents
Info
- Publication number
- JPS6244552B2 JPS6244552B2 JP54008303A JP830379A JPS6244552B2 JP S6244552 B2 JPS6244552 B2 JP S6244552B2 JP 54008303 A JP54008303 A JP 54008303A JP 830379 A JP830379 A JP 830379A JP S6244552 B2 JPS6244552 B2 JP S6244552B2
- Authority
- JP
- Japan
- Prior art keywords
- formula
- compound
- lower alkyl
- methyl
- alkali metal
- 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
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/63—Esters of sulfonic acids
- C07C309/64—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms
- C07C309/65—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms of a saturated carbon skeleton
- C07C309/66—Methanesulfonates
-
- 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
- C07D311/66—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
-
- 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)
- Pyrane Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/873,185 US4150050A (en) | 1978-01-30 | 1978-01-30 | 3,6-Dioxo-1,4-cyclohexadien-1-yl-butandate esters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54109979A JPS54109979A (en) | 1979-08-29 |
| JPS6244552B2 true JPS6244552B2 (enExample) | 1987-09-21 |
Family
ID=25361135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP830379A Granted JPS54109979A (en) | 1978-01-30 | 1979-01-29 | Method of manufacturing chroman derivative |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4150050A (enExample) |
| EP (1) | EP0003221B1 (enExample) |
| JP (1) | JPS54109979A (enExample) |
| DE (1) | DE2861758D1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01107247U (enExample) * | 1988-01-08 | 1989-07-19 | ||
| JPH0265551A (ja) * | 1988-08-31 | 1990-03-06 | Sharp Corp | 自動ダイヤル装置 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3010505A1 (de) * | 1980-03-19 | 1981-10-01 | Basf Ag, 6700 Ludwigshafen | Chromanderivate, verfahren zu ihrer herstellung, ihre verwendung als stabilisatoren von organischen materialien sowie diese stabilisatoren enthaltende organische materialien |
| ZA844519B (en) * | 1983-06-24 | 1985-02-27 | Hoffmann La Roche | Dihydrobenzopyran derivatives |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA739471B (en) * | 1972-12-22 | 1974-08-28 | Hoffmann La Roche | Chromane derivatives |
| US3947473A (en) * | 1972-12-22 | 1976-03-30 | Hoffman-La Roche Inc. | Antioxidant chroman compounds |
-
1978
- 1978-01-30 US US05/873,185 patent/US4150050A/en not_active Expired - Lifetime
- 1978-12-12 EP EP78101641A patent/EP0003221B1/en not_active Expired
- 1978-12-12 DE DE7878101641T patent/DE2861758D1/de not_active Expired
-
1979
- 1979-01-29 JP JP830379A patent/JPS54109979A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01107247U (enExample) * | 1988-01-08 | 1989-07-19 | ||
| JPH0265551A (ja) * | 1988-08-31 | 1990-03-06 | Sharp Corp | 自動ダイヤル装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54109979A (en) | 1979-08-29 |
| EP0003221A3 (en) | 1979-08-22 |
| EP0003221B1 (en) | 1982-04-21 |
| US4150050A (en) | 1979-04-17 |
| EP0003221A2 (en) | 1979-08-08 |
| DE2861758D1 (en) | 1982-06-03 |
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