JPS4880534A - - Google Patents
Info
- Publication number
- JPS4880534A JPS4880534A JP6984772A JP6984772A JPS4880534A JP S4880534 A JPS4880534 A JP S4880534A JP 6984772 A JP6984772 A JP 6984772A JP 6984772 A JP6984772 A JP 6984772A JP S4880534 A JPS4880534 A JP S4880534A
- Authority
- JP
- Japan
- 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.)
- Pending
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 (1)
| Publication Number | Publication Date |
|---|---|
| JPS4880534A true JPS4880534A (es) | 1973-10-29 |
Family
ID=22810414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6984772A Pending JPS4880534A (es) | 1972-01-12 | 1972-07-12 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4880534A (es) |
| CA (1) | CA967581A (es) |
| CH (1) | CH602547A5 (es) |
| DE (1) | DE2234152A1 (es) |
| ES (2) | ES404789A1 (es) |
| FR (1) | FR2167489B1 (es) |
| GB (1) | GB1384447A (es) |
| NL (1) | NL7209622A (es) |
| SE (1) | SE397825B (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106977489B (zh) * | 2017-04-20 | 2019-05-31 | 清华大学 | 一种制备多取代占吨酮类衍生物的方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3642997A (en) * | 1969-06-25 | 1972-02-15 | Merck & Co Inc | Tricyclic carboxylic acids in the treatment of inflammation |
| BE759292A (fr) * | 1969-11-27 | 1971-05-24 | Allen & Hanburys Ltd | Derives de xanthone, leur preparation et leur emploi |
-
1972
- 1972-07-12 FR FR7225351A patent/FR2167489B1/fr not_active Expired
- 1972-07-12 ES ES404789A patent/ES404789A1/es not_active Expired
- 1972-07-12 GB GB3253772A patent/GB1384447A/en not_active Expired
- 1972-07-12 DE DE19722234152 patent/DE2234152A1/de active Pending
- 1972-07-12 NL NL7209622A patent/NL7209622A/xx not_active Application Discontinuation
- 1972-07-12 CA CA146,890A patent/CA967581A/en not_active Expired
- 1972-07-12 JP JP6984772A patent/JPS4880534A/ja active Pending
- 1972-07-12 CH CH1046072A patent/CH602547A5/xx not_active IP Right Cessation
- 1972-07-12 SE SE920072A patent/SE397825B/xx unknown
-
1975
- 1975-02-20 ES ES75434925A patent/ES434925A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA967581A (en) | 1975-05-13 |
| FR2167489B1 (es) | 1975-10-31 |
| CH602547A5 (es) | 1978-07-31 |
| SE397825B (sv) | 1977-11-21 |
| ES404789A1 (es) | 1975-06-16 |
| ES434925A1 (es) | 1976-12-16 |
| GB1384447A (en) | 1975-02-19 |
| DE2234152A1 (de) | 1973-07-26 |
| FR2167489A1 (es) | 1973-08-24 |
| NL7209622A (es) | 1973-07-16 |