FR2208897A1 - - Google Patents
Info
- Publication number
- FR2208897A1 FR2208897A1 FR7343290A FR7343290A FR2208897A1 FR 2208897 A1 FR2208897 A1 FR 2208897A1 FR 7343290 A FR7343290 A FR 7343290A FR 7343290 A FR7343290 A FR 7343290A FR 2208897 A1 FR2208897 A1 FR 2208897A1
- Authority
- FR
- France
- 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.)
- Granted
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
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 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
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
- C07D311/24—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyrane Compounds (AREA)
- Pyrrole Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00311586A US3825574A (en) | 1972-12-04 | 1972-12-04 | Process for preparing substituted chromone-3-carbonitriles,carboxamides and carboxylic acids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2208897A1 true FR2208897A1 (US20100292554A1-20101118-C00004.png) | 1974-06-28 |
| FR2208897B1 FR2208897B1 (US20100292554A1-20101118-C00004.png) | 1978-01-06 |
Family
ID=23207560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7343290A Expired FR2208897B1 (US20100292554A1-20101118-C00004.png) | 1972-12-04 | 1973-12-04 |
Country Status (7)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4115567A (en) * | 1973-12-27 | 1978-09-19 | Carlo Erba S. P. A. | 6-Carboxy-2-(2'-pyrazinyl)-chromones and esters thereof |
| US4148900A (en) * | 1973-12-27 | 1979-04-10 | Carlo Erba S.P.A. | 5:6-Benzo-γ-pyrone derivatives and process for their preparation |
| US4065467A (en) * | 1973-12-27 | 1977-12-27 | Carlo Erba, S. P. A. | 5:6-Benzo δ-pyrone derivatives and process for their preparation |
| GB1499323A (en) * | 1974-03-22 | 1978-02-01 | Fisons Ltd | 6-substituted chromones and chromanones |
| US4024160A (en) * | 1974-12-13 | 1977-05-17 | Warner-Lambert Company | Substituted 2-amino chromones and process for the preparation thereof |
| US3932466A (en) * | 1974-12-13 | 1976-01-13 | Warner-Lambert Company | Substituted 2-amino chromones and process for the preparation thereof |
| US4025640A (en) * | 1975-08-26 | 1977-05-24 | American Hoechst Corporation | Oxothienobenzoxepin-acetic acids, precursors and derivatives thereof |
| US4033845A (en) * | 1975-11-20 | 1977-07-05 | Warner-Lambert Company | [2-(4-Oxo-4H-1-benzopyran-2-yl)ethenyl]benzonitriles and benzoic acids |
| US4013771A (en) * | 1975-12-15 | 1977-03-22 | Warner-Lambert Company | Substituted 2-aminothiochromones |
| US4196128A (en) * | 1978-12-13 | 1980-04-01 | Warner-Lambert Company | Process for the preparation of 3-cyanochromones |
| JPS5812731U (ja) * | 1981-07-18 | 1983-01-26 | 本田技研工業株式会社 | 自動二輪車用デイスクブレ−キ装置 |
| JPS5872734A (ja) * | 1981-10-22 | 1983-04-30 | Yamaha Motor Co Ltd | デイスクブレ−キ装置 |
| CN104016865B (zh) * | 2014-01-14 | 2015-10-07 | 杭州福斯特药业有限公司 | 酚羟基取代的苯甲酰乙酸乙酯的合成方法 |
| CN109134481B (zh) * | 2018-08-07 | 2021-05-14 | 中山大学 | 一种取代吡咯色原酮类化合物或其药学上可接受的盐及其制备方法和应用 |
-
1972
- 1972-12-04 US US00311586A patent/US3825574A/en not_active Expired - Lifetime
-
1973
- 1973-11-14 DE DE2356903A patent/DE2356903A1/de active Pending
- 1973-11-23 GB GB5439573A patent/GB1398209A/en not_active Expired
- 1973-11-30 AU AU63094/73A patent/AU474429B2/en not_active Expired
- 1973-12-03 JP JP13567173A patent/JPS533391B2/ja not_active Expired
- 1973-12-03 CA CA187,148A patent/CA1012976A/en not_active Expired
- 1973-12-04 FR FR7343290A patent/FR2208897B1/fr not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1398209A (en) | 1975-06-18 |
| JPS4986376A (US20100292554A1-20101118-C00004.png) | 1974-08-19 |
| AU474429B2 (en) | 1976-07-22 |
| US3825574A (en) | 1974-07-23 |
| DE2356903A1 (de) | 1974-09-05 |
| FR2208897B1 (US20100292554A1-20101118-C00004.png) | 1978-01-06 |
| JPS533391B2 (US20100292554A1-20101118-C00004.png) | 1978-02-06 |
| CA1012976A (en) | 1977-06-28 |
| AU6309473A (en) | 1975-06-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |