BR6804225D0 - A PROCESS OF OBTAINING NEW BIS-CHROMONA COMPOUNDS - Google Patents
A PROCESS OF OBTAINING NEW BIS-CHROMONA COMPOUNDSInfo
- Publication number
- BR6804225D0 BR6804225D0 BR204225/68A BR20422568A BR6804225D0 BR 6804225 D0 BR6804225 D0 BR 6804225D0 BR 204225/68 A BR204225/68 A BR 204225/68A BR 20422568 A BR20422568 A BR 20422568A BR 6804225 D0 BR6804225 D0 BR 6804225D0
- Authority
- BR
- Brazil
- Prior art keywords
- chromona
- compounds
- obtaining new
- new bis
- bis
- 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
- C07D311/24—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
- C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
- C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
- C07C45/60—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
- C07C49/84—Ketones containing a keto group bound to a six-membered aromatic ring containing ether groups, groups, groups, or 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
- C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
- C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
- C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pyrane Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB53076/67A GB1237877A (en) | 1967-11-22 | 1967-11-22 | Preparation of bis chromone derivatives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR6804225D0 true BR6804225D0 (en) | 1973-01-16 |
Family
ID=10466526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR204225/68A BR6804225D0 (en) | 1967-11-22 | 1968-11-22 | A PROCESS OF OBTAINING NEW BIS-CHROMONA COMPOUNDS |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT301521B (en) |
| BR (1) | BR6804225D0 (en) |
| CH (1) | CH516495A (en) |
| DK (1) | DK125090B (en) |
| ES (1) | ES360496A1 (en) |
| GB (1) | GB1237877A (en) |
| IL (1) | IL31069A0 (en) |
| NL (1) | NL6816624A (en) |
| SE (1) | SE372252B (en) |
-
1967
- 1967-11-22 GB GB53076/67A patent/GB1237877A/en not_active Expired
-
1968
- 1968-11-14 IL IL31069A patent/IL31069A0/en unknown
- 1968-11-19 AT AT1121868A patent/AT301521B/en not_active IP Right Cessation
- 1968-11-21 ES ES360496A patent/ES360496A1/en not_active Expired
- 1968-11-21 SE SE6815872A patent/SE372252B/xx unknown
- 1968-11-21 DK DK569768AA patent/DK125090B/en unknown
- 1968-11-21 NL NL6816624A patent/NL6816624A/xx unknown
- 1968-11-22 CH CH1744568A patent/CH516495A/en not_active IP Right Cessation
- 1968-11-22 BR BR204225/68A patent/BR6804225D0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6816624A (en) | 1969-05-27 |
| IL31069A0 (en) | 1969-01-29 |
| ES360496A1 (en) | 1970-10-16 |
| DK125090B (en) | 1972-12-27 |
| SE372252B (en) | 1974-12-16 |
| CH516495A (en) | 1971-12-15 |
| GB1237877A (en) | 1971-06-30 |
| AT301521B (en) | 1972-09-11 |
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