FR874521A - Aminoaryl-1-pyrazolone-5-sulfonic acids-4 and process for their preparation - Google Patents
Aminoaryl-1-pyrazolone-5-sulfonic acids-4 and process for their preparationInfo
- Publication number
- FR874521A FR874521A FR874521DA FR874521A FR 874521 A FR874521 A FR 874521A FR 874521D A FR874521D A FR 874521DA FR 874521 A FR874521 A FR 874521A
- Authority
- FR
- France
- Prior art keywords
- aminoaryl
- pyrazolone
- preparation
- sulfonic acids
- sulfonic
- 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
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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 ring carbon atoms
- C07D231/28—Two oxygen or sulfur atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE874521X | 1939-04-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR874521A true FR874521A (en) | 1942-08-10 |
Family
ID=6816908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR874521D Expired FR874521A (en) | 1939-04-06 | 1941-08-06 | Aminoaryl-1-pyrazolone-5-sulfonic acids-4 and process for their preparation |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR874521A (en) |
-
1941
- 1941-08-06 FR FR874521D patent/FR874521A/en not_active Expired
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