AT339297B - Verfahren zur herstellung von neuen 5,7-disubstituierten xanthon-2-carbonsaurederivaten - Google Patents
Verfahren zur herstellung von neuen 5,7-disubstituierten xanthon-2-carbonsaurederivatenInfo
- Publication number
- AT339297B AT339297B AT9475A AT9475A AT339297B AT 339297 B AT339297 B AT 339297B AT 9475 A AT9475 A AT 9475A AT 9475 A AT9475 A AT 9475A AT 339297 B AT339297 B AT 339297B
- Authority
- AT
- Austria
- Prior art keywords
- preparation
- new
- acid derivatives
- carbonic acid
- xanthone
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
-
- 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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyrane Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05431794 US3894049A (en) | 1972-06-05 | 1974-01-08 | Disubstituted xanthone carboxylic acid compounds |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA9475A ATA9475A (de) | 1977-02-15 |
| AT339297B true AT339297B (de) | 1977-10-10 |
Family
ID=23713448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT9475A AT339297B (de) | 1974-01-08 | 1975-01-08 | Verfahren zur herstellung von neuen 5,7-disubstituierten xanthon-2-carbonsaurederivaten |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS50126667A (fr) |
| AT (1) | AT339297B (fr) |
| AU (1) | AU7571774A (fr) |
| BE (1) | BE823030R (fr) |
| DE (1) | DE2461059A1 (fr) |
| DK (1) | DK645674A (fr) |
| ES (1) | ES433626A2 (fr) |
| FI (1) | FI334874A (fr) |
| FR (1) | FR2256755B2 (fr) |
| GB (2) | GB1464561A (fr) |
| NL (1) | NL7500218A (fr) |
| NO (1) | NO744506L (fr) |
| SE (1) | SE7415844L (fr) |
| ZA (1) | ZA747671B (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2136227A (en) * | 1983-03-07 | 1984-09-12 | Nat Res Dev | Direct Current Circuit Breakers |
-
1974
- 1974-11-20 FI FI3348/74A patent/FI334874A/fi unknown
- 1974-11-25 AU AU75717/74A patent/AU7571774A/en not_active Expired
- 1974-12-02 ZA ZA00747671A patent/ZA747671B/xx unknown
- 1974-12-06 BE BE151224A patent/BE823030R/fr active
- 1974-12-11 DK DK645674A patent/DK645674A/da unknown
- 1974-12-13 NO NO744506A patent/NO744506L/no unknown
- 1974-12-17 SE SE7415844A patent/SE7415844L/xx unknown
- 1974-12-23 DE DE19742461059 patent/DE2461059A1/de active Pending
- 1974-12-24 GB GB1296674A patent/GB1464561A/en not_active Expired
- 1974-12-24 JP JP50001055A patent/JPS50126667A/ja active Pending
- 1974-12-24 GB GB4009076A patent/GB1464562A/en not_active Expired
-
1975
- 1975-01-07 FR FR7500380A patent/FR2256755B2/fr not_active Expired
- 1975-01-07 ES ES433626A patent/ES433626A2/es not_active Expired
- 1975-01-08 NL NL7500218A patent/NL7500218A/xx unknown
- 1975-01-08 AT AT9475A patent/AT339297B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ATA9475A (de) | 1977-02-15 |
| DK645674A (fr) | 1975-09-01 |
| DE2461059A1 (de) | 1975-07-17 |
| NO744506L (fr) | 1975-08-04 |
| GB1464561A (en) | 1977-02-16 |
| NL7500218A (nl) | 1975-07-10 |
| FR2256755A2 (fr) | 1975-08-01 |
| FI334874A (fr) | 1975-07-09 |
| BE823030R (fr) | 1975-06-06 |
| AU7571774A (en) | 1976-05-27 |
| JPS50126667A (fr) | 1975-10-04 |
| SE7415844L (fr) | 1975-07-09 |
| GB1464562A (en) | 1977-02-16 |
| ES433626A2 (es) | 1977-07-01 |
| ZA747671B (en) | 1976-07-28 |
| FR2256755B2 (fr) | 1978-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee | ||
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |