GB1394385A - Substituted xanthone carboxylic acid compounds - Google Patents
Substituted xanthone carboxylic acid compoundsInfo
- Publication number
- GB1394385A GB1394385A GB4468474A GB4468474A GB1394385A GB 1394385 A GB1394385 A GB 1394385A GB 4468474 A GB4468474 A GB 4468474A GB 4468474 A GB4468474 A GB 4468474A GB 1394385 A GB1394385 A GB 1394385A
- Authority
- GB
- United Kingdom
- Prior art keywords
- carboxylic acid
- product
- xanthone
- ester
- hydrolysing
- 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.)
- Expired
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
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C65/00—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C65/21—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing ether groups, groups, groups, or groups
- C07C65/24—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing ether groups, groups, groups, or groups polycyclic
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrane Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23175672A | 1972-03-03 | 1972-03-03 | |
| US00259671A US3821252A (en) | 1972-03-03 | 1972-06-05 | 6-acyl-xanthone-2-carboxylic acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1394385A true GB1394385A (en) | 1975-05-14 |
Family
ID=26925402
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4467474A Expired GB1394384A (en) | 1972-03-03 | 1972-07-12 | Substituted xanthone carboxylic acid compounds |
| GB3253872A Expired GB1394383A (en) | 1972-03-03 | 1972-07-12 | Substituted xanthone carboxylic acid compounds |
| GB4468574A Expired GB1394386A (en) | 1972-03-03 | 1972-07-12 | 6-substituted xanthone 2 carboxylic acids |
| GB4468474A Expired GB1394385A (en) | 1972-03-03 | 1972-07-12 | Substituted xanthone carboxylic acid compounds |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4467474A Expired GB1394384A (en) | 1972-03-03 | 1972-07-12 | Substituted xanthone carboxylic acid compounds |
| GB3253872A Expired GB1394383A (en) | 1972-03-03 | 1972-07-12 | Substituted xanthone carboxylic acid compounds |
| GB4468574A Expired GB1394386A (en) | 1972-03-03 | 1972-07-12 | 6-substituted xanthone 2 carboxylic acids |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3821252A (enExample) |
| JP (1) | JPS48103577A (enExample) |
| ES (1) | ES404792A1 (enExample) |
| FR (1) | FR2173880B1 (enExample) |
| GB (4) | GB1394384A (enExample) |
| NL (1) | NL7209630A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3920826A (en) * | 1974-07-01 | 1975-11-18 | American Home Prod | Method of treating antiarrhythmic activity with bis(2-(dialkylamino)ethoxy)xanthen-9-one antiarrhythmic agents |
| US4122201A (en) * | 1974-11-11 | 1978-10-24 | Smithkline Corporation | Method of treating asthma with 4,6-dihydroxy-2H-pyran-2-ones |
-
1972
- 1972-06-05 US US00259671A patent/US3821252A/en not_active Expired - Lifetime
- 1972-07-12 NL NL7209630A patent/NL7209630A/xx unknown
- 1972-07-12 GB GB4467474A patent/GB1394384A/en not_active Expired
- 1972-07-12 JP JP47069851A patent/JPS48103577A/ja active Pending
- 1972-07-12 ES ES404792A patent/ES404792A1/es not_active Expired
- 1972-07-12 GB GB3253872A patent/GB1394383A/en not_active Expired
- 1972-07-12 GB GB4468574A patent/GB1394386A/en not_active Expired
- 1972-07-12 FR FR7225347A patent/FR2173880B1/fr not_active Expired
- 1972-07-12 GB GB4468474A patent/GB1394385A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3821252A (en) | 1974-06-28 |
| NL7209630A (enExample) | 1973-09-06 |
| GB1394383A (en) | 1975-05-14 |
| FR2173880A1 (enExample) | 1973-10-12 |
| FR2173880B1 (enExample) | 1975-10-31 |
| JPS48103577A (enExample) | 1973-12-25 |
| GB1394386A (en) | 1975-05-14 |
| ES404792A1 (es) | 1975-11-16 |
| GB1394384A (en) | 1975-05-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |