ES273183A1 - Procedimiento para la preparaciën del acido tiofen-2,5-dicarboxilico - Google Patents

Procedimiento para la preparaciën del acido tiofen-2,5-dicarboxilico

Info

Publication number: ES273183A1
Authority: ES; Spain
Prior art keywords: acid; translation; preparation; machine; legally binding
Prior art date: 1961-11-14
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

Application number

ES0273183A

Other languages

English (en)

Spanish (es)

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Novartis AG

BASF Schweiz AG

Original Assignee

Ciba Geigy AG

Ciba AG

Priority date (The priority date 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 date listed.)

1961-11-14

Filing date

1961-12-22

Publication date

1962-07-01

1961-12-22 Application filed by Ciba Geigy AG, Ciba AG filed Critical Ciba Geigy AG

1962-07-01 Publication of ES273183A1 publication Critical patent/ES273183A1/es

Status Expired legal-status Critical Current

Links

239000002253 acid Substances 0.000 title abstract 2
238000000034 method Methods 0.000 title abstract 2
238000002360 preparation method Methods 0.000 title abstract 2
239000003513 alkali Substances 0.000 abstract 2
239000002609 medium Substances 0.000 abstract 2
150000003839 salts Chemical class 0.000 abstract 2
VZKPHLAASBCFGX-UHFFFAOYSA-N thiolane-2,5-dicarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)S1 VZKPHLAASBCFGX-UHFFFAOYSA-N 0.000 abstract 2
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract 1
239000012736 aqueous medium Substances 0.000 abstract 1
238000005660 chlorination reaction Methods 0.000 abstract 1
229910052801 chlorine Inorganic materials 0.000 abstract 1
239000000460 chlorine Substances 0.000 abstract 1
238000001556 precipitation Methods 0.000 abstract 1
150000003568 thioethers Chemical class 0.000 abstract 1
YCGAZNXXGKTASZ-UHFFFAOYSA-N thiophene-2,5-dicarboxylic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)S1 YCGAZNXXGKTASZ-UHFFFAOYSA-N 0.000 abstract 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Heterocyclic Compounds Containing Sulfur Atoms (AREA)

ES0273183A 1961-11-14 1961-12-22 Procedimiento para la preparaciën del acido tiofen-2,5-dicarboxilico Expired ES273183A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1321461A CH426870A (de)	1961-11-14	1961-11-14	Verfahren zur Herstellung von Thiophen-2,5-dicarbonsäure

Publications (1)

Publication Number	Publication Date
ES273183A1 true ES273183A1 (es)	1962-07-01

Family

ID=4390408

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES0273183A Expired ES273183A1 (es)	1961-11-14	1961-12-22	Procedimiento para la preparaciën del acido tiofen-2,5-dicarboxilico

Country Status (2)

Country	Link
CH (1)	CH426870A (de)
ES (1)	ES273183A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
TW420674B (en)	1994-08-25	2001-02-01	Ciba Sc Holding Ag	Process for the preparation of thiophene-2,5-dicarboxylic acid and the dichloride thereof
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

1961
- 1961-11-14 CH CH1321461A patent/CH426870A/de unknown
- 1961-12-22 ES ES0273183A patent/ES273183A1/es not_active Expired

Also Published As

Publication number	Publication date
CH426870A (de)	1966-12-31

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