BE862667A - PROCESS FOR THE PREPARATION OF 3-HALOGENOSULFONYL-THIOFENE-CARBOXYLIC ACIDS AND DERIVATIVES - Google Patents
PROCESS FOR THE PREPARATION OF 3-HALOGENOSULFONYL-THIOFENE-CARBOXYLIC ACIDS AND DERIVATIVESInfo
- Publication number
- BE862667A BE862667A BE184126A BE184126A BE862667A BE 862667 A BE862667 A BE 862667A BE 184126 A BE184126 A BE 184126A BE 184126 A BE184126 A BE 184126A BE 862667 A BE862667 A BE 862667A
- Authority
- BE
- Belgium
- Prior art keywords
- thiofene
- halogenosulfonyl
- derivatives
- preparation
- carboxylic acids
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom 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
- C07D333/38—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2700261A DE2700261C2 (en) | 1977-01-05 | 1977-01-05 | Process for the preparation of 3-halosulfonylthiophene-4-carboxylic acid compounds |
Publications (1)
Publication Number | Publication Date |
---|---|
BE862667A true BE862667A (en) | 1978-07-05 |
Family
ID=5998158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE184126A BE862667A (en) | 1977-01-05 | 1978-01-05 | PROCESS FOR THE PREPARATION OF 3-HALOGENOSULFONYL-THIOFENE-CARBOXYLIC ACIDS AND DERIVATIVES |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE862667A (en) |
DE (1) | DE2700261C2 (en) |
ZA (1) | ZA7824B (en) |
-
1977
- 1977-01-05 DE DE2700261A patent/DE2700261C2/en not_active Expired
-
1978
- 1978-01-04 ZA ZA00780024A patent/ZA7824B/en unknown
- 1978-01-05 BE BE184126A patent/BE862667A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2700261A1 (en) | 1978-07-13 |
ZA7824B (en) | 1979-01-31 |
DE2700261C2 (en) | 1985-07-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: BASF A.G. Effective date: 19870131 |