BE658475A - - Google Patents
Info
- Publication number
- BE658475A BE658475A BE658475DA BE658475A BE 658475 A BE658475 A BE 658475A BE 658475D A BE658475D A BE 658475DA BE 658475 A BE658475 A BE 658475A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D221/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
- C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
- C07D221/04—Ortho- or peri-condensed ring systems
- C07D221/18—Ring systems of four or more rings
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
- C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
- C09B5/34—Anthraquinone acridones or thioxanthrones
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH165264A CH439535A (en) | 1964-02-12 | 1964-02-12 | Process for the preparation of 3,4-phthaloylacridones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE658475A true BE658475A (en) |
Family
ID=4215458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE658475D BE658475A (en) | 1964-02-12 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE658475A (en) |
| CH (1) | CH439535A (en) |
-
0
- BE BE658475D patent/BE658475A/xx unknown
-
1964
- 1964-02-12 CH CH165264A patent/CH439535A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH439535A (en) | 1967-07-15 |