DD129787A5 - Verfahren zur darstellung von derivaten der bis-chromonkarbonsaeure - Google Patents
Verfahren zur darstellung von derivaten der bis-chromonkarbonsaeureInfo
- Publication number
- DD129787A5 DD129787A5 DD7700198531A DD19853177A DD129787A5 DD 129787 A5 DD129787 A5 DD 129787A5 DD 7700198531 A DD7700198531 A DD 7700198531A DD 19853177 A DD19853177 A DD 19853177A DD 129787 A5 DD129787 A5 DD 129787A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- chromon
- bis
- derivatives
- preparation
- carboxylic acid
- Prior art date
Links
- XGIIUVCBEGJRAM-UHFFFAOYSA-N 4-oxo-2-(4-oxochromen-2-yl)chromene-3-carboxylic acid Chemical class O1C(=C(C(C2=CC=CC=C12)=O)C(=O)O)C=1OC2=CC=CC=C2C(C1)=O XGIIUVCBEGJRAM-UHFFFAOYSA-N 0.000 title 1
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
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
- C07D311/24—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 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 2
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/70—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form
- C07C45/71—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form being hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/12—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms
- C07D303/18—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by etherified hydroxyl radicals
- C07D303/20—Ethers with hydroxy compounds containing no oxirane rings
- C07D303/24—Ethers with hydroxy compounds containing no oxirane rings with polyhydroxy compounds
- C07D303/26—Ethers with hydroxy compounds containing no oxirane rings with polyhydroxy compounds having one or more free hydroxyl radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT22602/76A IT1060245B (it) | 1976-04-23 | 1976-04-23 | Procedimento per la preparazione di derivati bis cromoncarbossilici |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD129787A5 true DD129787A5 (de) | 1978-02-08 |
Family
ID=11198325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD7700198531A DD129787A5 (de) | 1976-04-23 | 1977-04-21 | Verfahren zur darstellung von derivaten der bis-chromonkarbonsaeure |
Country Status (8)
| Country | Link |
|---|---|
| BG (1) | BG27748A3 (de) |
| DD (1) | DD129787A5 (de) |
| DE (1) | DE2718041A1 (de) |
| ES (1) | ES458073A1 (de) |
| GR (1) | GR59774B (de) |
| IL (1) | IL51909A0 (de) |
| IT (1) | IT1060245B (de) |
| PT (1) | PT66460A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11149058B2 (en) | 2016-03-18 | 2021-10-19 | Department Of Biotechnology | Multi-functional chemical agents, and the method for protein modification |
-
1976
- 1976-04-23 IT IT22602/76A patent/IT1060245B/it active
-
1977
- 1977-04-19 BG BG036045A patent/BG27748A3/xx unknown
- 1977-04-19 IL IL51909A patent/IL51909A0/xx unknown
- 1977-04-20 GR GR53246A patent/GR59774B/el unknown
- 1977-04-20 PT PT66460A patent/PT66460A/pt unknown
- 1977-04-21 DD DD7700198531A patent/DD129787A5/de unknown
- 1977-04-22 DE DE19772718041 patent/DE2718041A1/de active Pending
- 1977-04-22 ES ES458073A patent/ES458073A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GR59774B (en) | 1978-02-25 |
| BG27748A3 (en) | 1979-12-12 |
| IL51909A0 (en) | 1977-06-30 |
| DE2718041A1 (de) | 1977-11-17 |
| IT1060245B (it) | 1982-07-10 |
| ES458073A1 (es) | 1978-03-16 |
| PT66460A (en) | 1977-05-01 |
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