DE2234152A1 - Verfahren zur herstellung von salicylsaeureaethern in p-stellung substituierter phenole und deren cyclisierung zu xanthon2-carbonsaeuren - Google Patents
Verfahren zur herstellung von salicylsaeureaethern in p-stellung substituierter phenole und deren cyclisierung zu xanthon2-carbonsaeurenInfo
- Publication number
- DE2234152A1 DE2234152A1 DE19722234152 DE2234152A DE2234152A1 DE 2234152 A1 DE2234152 A1 DE 2234152A1 DE 19722234152 DE19722234152 DE 19722234152 DE 2234152 A DE2234152 A DE 2234152A DE 2234152 A1 DE2234152 A1 DE 2234152A1
- Authority
- DE
- Germany
- Prior art keywords
- acid
- ester
- amide
- salicylic acid
- carboxylic acid
- 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.)
- 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)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Pyrane Compounds (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 |
|---|---|
| DE2234152A1 true DE2234152A1 (de) | 1973-07-26 |
Family
ID=22810414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722234152 Pending DE2234152A1 (de) | 1972-01-12 | 1972-07-12 | Verfahren zur herstellung von salicylsaeureaethern in p-stellung substituierter phenole und deren cyclisierung zu xanthon2-carbonsaeuren |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4880534A (ja) |
| CA (1) | CA967581A (ja) |
| CH (1) | CH602547A5 (ja) |
| DE (1) | DE2234152A1 (ja) |
| ES (2) | ES404789A1 (ja) |
| FR (1) | FR2167489B1 (ja) |
| GB (1) | GB1384447A (ja) |
| NL (1) | NL7209622A (ja) |
| SE (1) | SE397825B (ja) |
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 ES ES404789A patent/ES404789A1/es not_active Expired
- 1972-07-12 DE DE19722234152 patent/DE2234152A1/de active Pending
- 1972-07-12 CH CH1046072A patent/CH602547A5/xx not_active IP Right Cessation
- 1972-07-12 GB GB3253772A patent/GB1384447A/en not_active Expired
- 1972-07-12 NL NL7209622A patent/NL7209622A/xx not_active Application Discontinuation
- 1972-07-12 FR FR7225351A patent/FR2167489B1/fr not_active Expired
- 1972-07-12 SE SE920072A patent/SE397825B/xx unknown
- 1972-07-12 CA CA146,890A patent/CA967581A/en not_active Expired
- 1972-07-12 JP JP6984772A patent/JPS4880534A/ja active Pending
-
1975
- 1975-02-20 ES ES75434925A patent/ES434925A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1384447A (en) | 1975-02-19 |
| JPS4880534A (ja) | 1973-10-29 |
| SE397825B (sv) | 1977-11-21 |
| ES404789A1 (es) | 1975-06-16 |
| CA967581A (en) | 1975-05-13 |
| CH602547A5 (ja) | 1978-07-31 |
| FR2167489B1 (ja) | 1975-10-31 |
| NL7209622A (ja) | 1973-07-16 |
| ES434925A1 (es) | 1976-12-16 |
| FR2167489A1 (ja) | 1973-08-24 |
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