CH396033A - Verfahren zur Herstellung von Thiophen-2,5-dicarbonsäure - Google Patents
Verfahren zur Herstellung von Thiophen-2,5-dicarbonsäureInfo
- Publication number
- CH396033A CH396033A CH1439460A CH1439460A CH396033A CH 396033 A CH396033 A CH 396033A CH 1439460 A CH1439460 A CH 1439460A CH 1439460 A CH1439460 A CH 1439460A CH 396033 A CH396033 A CH 396033A
- Authority
- CH
- Switzerland
- Prior art keywords
- thiophene
- preparation
- dicarboxylic acid
- dicarboxylic
- acid
- Prior art date
Links
- YCGAZNXXGKTASZ-UHFFFAOYSA-N thiophene-2,5-dicarboxylic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)S1 YCGAZNXXGKTASZ-UHFFFAOYSA-N 0.000 title 1
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1439460A CH396033A (de) | 1960-12-23 | 1960-12-23 | Verfahren zur Herstellung von Thiophen-2,5-dicarbonsäure |
| GB45326/61A GB950900A (en) | 1960-12-23 | 1961-12-18 | Process for the preparation of thiophene-2,5-dicarboxylic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1439460A CH396033A (de) | 1960-12-23 | 1960-12-23 | Verfahren zur Herstellung von Thiophen-2,5-dicarbonsäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH396033A true CH396033A (de) | 1965-07-31 |
Family
ID=4400446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1439460A CH396033A (de) | 1960-12-23 | 1960-12-23 | Verfahren zur Herstellung von Thiophen-2,5-dicarbonsäure |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH396033A (de) |
| GB (1) | GB950900A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118754870B (zh) * | 2024-07-25 | 2025-05-09 | 江苏格罗瑞化学有限公司 | 一种荧光增白剂用ob酸的绿色高效制备工艺 |
-
1960
- 1960-12-23 CH CH1439460A patent/CH396033A/de unknown
-
1961
- 1961-12-18 GB GB45326/61A patent/GB950900A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB950900A (en) | 1964-02-26 |
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