FR2167489A1 - - Google Patents
Info
- Publication number
- FR2167489A1 FR2167489A1 FR7225351A FR7225351A FR2167489A1 FR 2167489 A1 FR2167489 A1 FR 2167489A1 FR 7225351 A FR7225351 A FR 7225351A FR 7225351 A FR7225351 A FR 7225351A FR 2167489 A1 FR2167489 A1 FR 2167489A1
- 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
- C07D311/78—Ring systems having three or more relevant rings
- C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans
- C07D311/82—Xanthenes
- C07D311/84—Xanthenes with hetero atoms or 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 9
- C07D311/86—Oxygen atoms, e.g. xanthones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrane Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Cosmetics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21728672A | 1972-01-12 | 1972-01-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2167489A1 true FR2167489A1 (en) | 1973-08-24 |
| FR2167489B1 FR2167489B1 (en) | 1975-10-31 |
Family
ID=22810414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7225351A Expired FR2167489B1 (en) | 1972-01-12 | 1972-07-12 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4880534A (en) |
| CA (1) | CA967581A (en) |
| CH (1) | CH602547A5 (en) |
| DE (1) | DE2234152A1 (en) |
| ES (2) | ES404789A1 (en) |
| FR (1) | FR2167489B1 (en) |
| GB (1) | GB1384447A (en) |
| NL (1) | NL7209622A (en) |
| SE (1) | SE397825B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106977489B (en) * | 2017-04-20 | 2019-05-31 | 清华大学 | A method of preparing polysubstituted xanthones derivative |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2053020A1 (en) * | 1969-06-25 | 1971-04-16 | Merck & Co Inc | |
| FR2073425A1 (en) * | 1969-11-27 | 1971-10-01 | Allen & Hanburys Ltd |
-
1972
- 1972-07-12 ES ES404789A patent/ES404789A1/en not_active Expired
- 1972-07-12 GB GB3253772A patent/GB1384447A/en not_active Expired
- 1972-07-12 CH CH1046072A patent/CH602547A5/xx not_active IP Right Cessation
- 1972-07-12 FR FR7225351A patent/FR2167489B1/fr not_active Expired
- 1972-07-12 JP JP6984772A patent/JPS4880534A/ja active Pending
- 1972-07-12 SE SE920072A patent/SE397825B/en unknown
- 1972-07-12 CA CA146,890A patent/CA967581A/en not_active Expired
- 1972-07-12 DE DE19722234152 patent/DE2234152A1/en active Pending
- 1972-07-12 NL NL7209622A patent/NL7209622A/xx not_active Application Discontinuation
-
1975
- 1975-02-20 ES ES75434925A patent/ES434925A1/en not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2053020A1 (en) * | 1969-06-25 | 1971-04-16 | Merck & Co Inc | |
| FR2073425A1 (en) * | 1969-11-27 | 1971-10-01 | Allen & Hanburys Ltd |
Also Published As
| Publication number | Publication date |
|---|---|
| ES434925A1 (en) | 1976-12-16 |
| DE2234152A1 (en) | 1973-07-26 |
| GB1384447A (en) | 1975-02-19 |
| NL7209622A (en) | 1973-07-16 |
| CA967581A (en) | 1975-05-13 |
| CH602547A5 (en) | 1978-07-31 |
| JPS4880534A (en) | 1973-10-29 |
| FR2167489B1 (en) | 1975-10-31 |
| SE397825B (en) | 1977-11-21 |
| ES404789A1 (en) | 1975-06-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |