RU2008139744A - METHOD FOR PRODUCING 2,5-THIOPHENIC CARBONIC ACID OF DIMETHYL ETHER FROM 2-THIOPHENCARBOXYLIC ACID - Google Patents

METHOD FOR PRODUCING 2,5-THIOPHENIC CARBONIC ACID OF DIMETHYL ETHER FROM 2-THIOPHENCARBOXYLIC ACID Download PDF

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RU2008139744A
RU2008139744A RU2008139744/04A RU2008139744A RU2008139744A RU 2008139744 A RU2008139744 A RU 2008139744A RU 2008139744/04 A RU2008139744/04 A RU 2008139744/04A RU 2008139744 A RU2008139744 A RU 2008139744A RU 2008139744 A RU2008139744 A RU 2008139744A
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Russia
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acid
dimethyl ether
producing
thiophenic
thiophencarboxylic
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RU2008139744/04A
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Russian (ru)
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RU2402541C2 (en
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Усеин Меметович Джемилев (RU)
Усеин Меметович Джемилев
Равил Исмагилович Хуснутдинов (RU)
Равил Исмагилович Хуснутдинов
Альфия Руслановна Байгузина (RU)
Альфия Руслановна Байгузина
Ринат Рифхатович Мукминов (RU)
Ринат Рифхатович Мукминов
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Учреждение Российской академии наук ИНСТИТУТ НЕФТЕХИМИИ И КАТАЛИЗА РАН (RU)
Учреждение Российской Академии Наук Институт Нефтехимии И Катализа Ран
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Abstract

Способ получения диметилового эфира 2,5-тиофендикарбоновой кислоты I ! ! отличающийся тем, что 2-тиофенкарбоновая кислота взаимодействует с метанолом и CCl4 в присутствии катализатора трис(2,4-пентанодионато)железа Fe(асас)3, активированного азотсодержащим лигандом - пиридином при мольном соотношении ! [Fe(асас)3]:[C5H5N]:[2-ТФК]:[метанол]:[CCl4]=0,01:0,05-0,1:1:45-135:30 ! при температуре 140-160°C в течение 3-6 ч. The method of producing dimethyl ether of 2,5-thiophenedicarboxylic acid I! ! characterized in that 2-thiophenecarboxylic acid reacts with methanol and CCl4 in the presence of a catalyst Tris (2,4-pentanodionato) iron Fe (acac) 3, activated with a nitrogen-containing ligand - pyridine in a molar ratio! [Fe (acac) 3]: [C5H5N]: [2-TFA]: [methanol]: [CCl4] = 0.01: 0.05-0.1: 1: 45-135: 30! at a temperature of 140-160 ° C for 3-6 hours

Claims (1)

Способ получения диметилового эфира 2,5-тиофендикарбоновой кислоты IThe method of producing dimethyl ether of 2,5-thiophenedicarboxylic acid I
Figure 00000001
Figure 00000001
 отличающийся тем, что 2-тиофенкарбоновая кислота взаимодействует с метанолом и CCl4 в присутствии катализатора трис(2,4-пентанодионато)железа Fe(асас)3, активированного азотсодержащим лигандом - пиридином при мольном соотношенииcharacterized in that 2-thiophenecarboxylic acid reacts with methanol and CCl 4 in the presence of a catalyst Tris (2,4-pentanodionato) iron Fe (acac) 3 , activated by a nitrogen-containing ligand - pyridine in a molar ratio [Fe(асас)3]:[C5H5N]:[2-ТФК]:[метанол]:[CCl4]=0,01:0,05-0,1:1:45-135:30[Fe (acac) 3 ]: [C 5 H 5 N]: [2-TFA]: [methanol]: [CCl 4 ] = 0.01: 0.05-0.1: 1: 45-135: 30 при температуре 140-160°C в течение 3-6 ч. at a temperature of 140-160 ° C for 3-6 hours
RU2008139744/04A 2008-10-06 2008-10-06 Method of producing dimethyl ether of 2,5-thiophene dicarboxylic acid from 2-thiophene carboxylic acid RU2402541C2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114773298A (en) * 2017-01-12 2022-07-22 中国科学院宁波材料技术与工程研究所 Preparation method of 2, 5-disubstituted furan compound

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108299356A (en) * 2017-01-12 2018-07-20 中国科学院宁波材料技术与工程研究所 A kind of preparation method of furan dicarboxylic acid compound
CN108299270B (en) * 2017-01-12 2021-08-17 中国科学院宁波材料技术与工程研究所 Preparation method of disubstituted pyrrole compound
CN108299380B (en) * 2017-01-12 2021-11-19 中国科学院宁波材料技术与工程研究所 Preparation method of 2, 5-disubstituted thiophene compound

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114773298A (en) * 2017-01-12 2022-07-22 中国科学院宁波材料技术与工程研究所 Preparation method of 2, 5-disubstituted furan compound

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