FR43480E - Process for removing sulfonic group from sulfonated anthraquinone derivatives - Google Patents
Process for removing sulfonic group from sulfonated anthraquinone derivativesInfo
- Publication number
- FR43480E FR43480E FR43480DA FR43480E FR 43480 E FR43480 E FR 43480E FR 43480D A FR43480D A FR 43480DA FR 43480 E FR43480 E FR 43480E
- Authority
- FR
- France
- Prior art keywords
- sulfonic group
- anthraquinone derivatives
- sulfonated anthraquinone
- removing sulfonic
- sulfonated
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D219/00—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems
- C07D219/04—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems 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 to carbon atoms of the ring system
- C07D219/06—Oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D335/00—Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom
- C07D335/04—Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrrole Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI44421D DE590579C (en) | 1932-05-11 | 1932-05-11 | Process for the preparation of cyclic ketones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR43480E true FR43480E (en) | 1934-06-07 |
Family
ID=6448973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR43480D Expired FR43480E (en) | 1932-05-11 | 1933-05-11 | Process for removing sulfonic group from sulfonated anthraquinone derivatives |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE590579C (en) |
| FR (1) | FR43480E (en) |
| GB (1) | GB419374A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE969131C (en) * | 1945-12-12 | 1958-05-08 | Ciba Geigy | Process for the production of Kuepen dyes |
-
1932
- 1932-05-11 DE DEI44421D patent/DE590579C/en not_active Expired
-
1933
- 1933-05-11 GB GB13781/33A patent/GB419374A/en not_active Expired
- 1933-05-11 FR FR43480D patent/FR43480E/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE590579C (en) | 1934-01-05 |
| GB419374A (en) | 1934-11-12 |
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