[go: up one dir, main page]

DD129448A1 - PROCESS FOR THE PREPARATION OF THIOPHENE 2,5-DICARBONE ACID - Google Patents

PROCESS FOR THE PREPARATION OF THIOPHENE 2,5-DICARBONE ACID

Info

Publication number
DD129448A1
DD129448A1 DD19730877A DD19730877A DD129448A1 DD 129448 A1 DD129448 A1 DD 129448A1 DD 19730877 A DD19730877 A DD 19730877A DD 19730877 A DD19730877 A DD 19730877A DD 129448 A1 DD129448 A1 DD 129448A1
Authority
DD
German Democratic Republic
Prior art keywords
dicarbone
thiophene
preparation
acid
dicarbone acid
Prior art date
Application number
DD19730877A
Other languages
German (de)
Inventor
Wolfram Rauner
Rita Fischer
Siegfried Keil
Bernd Noll
Herbert Weinelt
Original Assignee
Wolfram Rauner
Rita Fischer
Siegfried Keil
Bernd Noll
Herbert Weinelt
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.)
Filing date
Publication date
Application filed by Wolfram Rauner, Rita Fischer, Siegfried Keil, Bernd Noll, Herbert Weinelt filed Critical Wolfram Rauner
Priority to DD19730877A priority Critical patent/DD129448A1/en
Publication of DD129448A1 publication Critical patent/DD129448A1/en

Links

DD19730877A 1977-02-10 1977-02-10 PROCESS FOR THE PREPARATION OF THIOPHENE 2,5-DICARBONE ACID DD129448A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DD19730877A DD129448A1 (en) 1977-02-10 1977-02-10 PROCESS FOR THE PREPARATION OF THIOPHENE 2,5-DICARBONE ACID

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD19730877A DD129448A1 (en) 1977-02-10 1977-02-10 PROCESS FOR THE PREPARATION OF THIOPHENE 2,5-DICARBONE ACID

Publications (1)

Publication Number Publication Date
DD129448A1 true DD129448A1 (en) 1978-01-18

Family

ID=5507324

Family Applications (1)

Application Number Title Priority Date Filing Date
DD19730877A DD129448A1 (en) 1977-02-10 1977-02-10 PROCESS FOR THE PREPARATION OF THIOPHENE 2,5-DICARBONE ACID

Country Status (1)

Country Link
DD (1) DD129448A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0699671A1 (en) 1994-08-25 1996-03-06 Ciba-Geigy Ag Process for the preparation of thiophene-2,5-dicarboxylic acid and of its dichloride
CN1047379C (en) * 1995-12-27 1999-12-15 化学工业部大连化工研究设计院 Process for preparing alpha, alpha'-dichloro-hexandioic acid
CN114763348A (en) * 2021-05-18 2022-07-19 上海素馨化工科技有限公司 Preparation method of 2, 5-thiophenedicarboxylic acid and 2, 5-thiophenedicarboxylic acid

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0699671A1 (en) 1994-08-25 1996-03-06 Ciba-Geigy Ag Process for the preparation of thiophene-2,5-dicarboxylic acid and of its dichloride
CN1047379C (en) * 1995-12-27 1999-12-15 化学工业部大连化工研究设计院 Process for preparing alpha, alpha'-dichloro-hexandioic acid
CN114763348A (en) * 2021-05-18 2022-07-19 上海素馨化工科技有限公司 Preparation method of 2, 5-thiophenedicarboxylic acid and 2, 5-thiophenedicarboxylic acid
CN114763348B (en) * 2021-05-18 2024-02-06 上海素馨化工科技有限公司 Preparation method of 2, 5-thiophene dicarboxylic acid and 2, 5-thiophene dicarboxylic acid

Similar Documents

Publication Publication Date Title
DD136616A5 (en) PROCESS FOR PREPARING 1,4: 3,6-DIANHYDRO-D-GLUCIT-2-NITRATE
DD137225A5 (en) PROCESS FOR THE PREPARATION OF 1,2,4-TRIAZIN-5-ON DERIVATIVES
DD132014A5 (en) PROCESS FOR PREPARING 3,4-DIHYDRO-2-METHYL-4-OXO-2H-1,2-BENZOTHIAZIN-3-CARBOXYLIC ACID 1,1-DIOXIDE
DD136832A5 (en) PROCESS FOR THE PREPARATION OF 1,2-DICHLORAETHANE
DD136838A5 (en) PROCESS FOR THE PREPARATION OF THIENOPYRIDINE DERIVATIVES
AT354422B (en) PROCESS FOR THE PRODUCTION OF M-HALOGENMETHYL DIPHENYLAETHERS
DD129448A1 (en) PROCESS FOR THE PREPARATION OF THIOPHENE 2,5-DICARBONE ACID
LU78484A1 (en) PROCESS FOR THE PRODUCTION OF BENZOXAZOLYL-PHENYL-STILBENES
DD135823A5 (en) PROCESS FOR THE PRODUCTION OF MONOCHLORPINACOLINE
DD134769A1 (en) PROCESS FOR THE PREPARATION OF 3-OXO-OESTRA-4,9,11-TRIENES
ATA225078A (en) PROCESS FOR THE PREPARATION OF 2- (2 ', 2', 2'-TRIHALOGENAETHYL) -4-HALOGENCYCLOBUTAN-1-ONE
AT352696B (en) PROCESS FOR THE PREPARATION OF CYCLOHEXANDIONE- (1,4) -TETRAMETHYLDIKETAL
DD134522A5 (en) PROCESS FOR THE PREPARATION OF 1,2,4-TRIAZIN-5-ON DERIVATIVES
ATA834378A (en) PROCESS FOR THE PREPARATION OF 2,6-PYRIDINECARBONIC ACID
AT363887B (en) METHOD FOR PRODUCING 2,5-DIKETOGLUCONIC ACID
ATA55878A (en) PROCESS FOR THE PREPARATION OF NEW CYCLOHEXEN- (1) -Dione- (3,6) -TETRAALKYLDIKETALEN
PT70497A (en) PROCESS FOR THE PREPARATION OF 5-MERCAPTO-1,2,3-TRIAZOLENE
DD137709A5 (en) PROCESS FOR THE PRODUCTION OF THIOPHENOLES
DD132870A5 (en) PROCESS FOR THE PREPARATION OF 2,3-DICHLOR-4- (2-THENOYL) -PHENOXY-ACIDIC ACID
ATA897178A (en) METHOD FOR THE PRODUCTION OF 2-ACETAMIDOCINUM ACID
DD128359A5 (en) PROCESS FOR THE PREPARATION OF 5,6-DEHYDROPENICILLINES
ATA814978A (en) PROCESS FOR THE PRODUCTION OF 2,6-METHANO-3-BENZAZOCINES
DD139127A1 (en) PROCESS FOR PREPARING SUBSTITUTED 3-METHYLIDENE-1,4,2-DITHIAZOLINES
DD132347A5 (en) PROCESS FOR THE PREPARATION OF 17-ACETALES OF 3-ALKOXY-OESTRA-2,5 (10) -DI-17-ONEN
DD130945A1 (en) PROCESS FOR THE PRODUCTION OF RAISIEREIFE