SE373363B - Forfarande for framstellning av kromon-2-karbonsyror och derivat derav - Google Patents
Forfarande for framstellning av kromon-2-karbonsyror och derivat deravInfo
- Publication number
- SE373363B SE373363B SE507670A SE507670A SE373363B SE 373363 B SE373363 B SE 373363B SE 507670 A SE507670 A SE 507670A SE 507670 A SE507670 A SE 507670A SE 373363 B SE373363 B SE 373363B
- Authority
- SE
- Sweden
- Prior art keywords
- chromon
- derivatives
- procedure
- preparation
- carbonic acids
- Prior art date
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
- C07D311/04—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
- C07D311/26—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3
- C07D311/34—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 3 only
- C07D311/36—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 3 only not hydrogenated in the hetero ring, e.g. isoflavones
-
- 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
- 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
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 |
|---|---|---|---|
| GB1914169 | 1969-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE373363B true SE373363B (sv) | 1975-02-03 |
Family
ID=10124435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE507670A SE373363B (sv) | 1969-04-15 | 1970-04-14 | Forfarande for framstellning av kromon-2-karbonsyror och derivat derav |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH529747A (xx) |
| DK (1) | DK125920B (xx) |
| GB (1) | GB1297264A (xx) |
| NL (1) | NL7005172A (xx) |
| SE (1) | SE373363B (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003119344A (ja) | 2001-10-12 | 2003-04-23 | Shin Etsu Chem Co Ltd | ハイブリッド化合物、レジスト材料及びパターン形成方法 |
| US8088935B2 (en) | 2003-12-23 | 2012-01-03 | Ironwood Pharmaceuticals, Inc. | Compounds and methods for the treatment of asthma |
-
1969
- 1969-04-15 GB GB1297264D patent/GB1297264A/en not_active Expired
-
1970
- 1970-04-10 NL NL7005172A patent/NL7005172A/xx unknown
- 1970-04-13 CH CH543470A patent/CH529747A/fr not_active IP Right Cessation
- 1970-04-14 SE SE507670A patent/SE373363B/xx unknown
- 1970-04-14 DK DK187370A patent/DK125920B/da not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1297264A (xx) | 1972-11-22 |
| CH529747A (fr) | 1972-10-31 |
| NL7005172A (xx) | 1970-10-19 |
| DK125920B (da) | 1973-05-21 |
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