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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

2,5-Thiophenedicarboxylic acid Manufacturer/High quality/Best price/In stock

Cas:4282-31-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 2,5-Thiophene Dicarboxylic Acid with high purity

Cas:4282-31-9

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Henan Allgreen Chemical Co.,Ltd

good quality Appearance:Solid Storage:Keep in a cool dry place Package:meet the customer's demand Application:dye intermediate Transportation:by sea or by air Port:shanghai

2,5-Thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Factory Price Fluorescent whitening 2,5-Thiophenedicarboxylic acid 4282-31-9 Manufacturer

Cas:4282-31-9

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

2,5-Thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

2,5-Thiophenedicarboxylic acid Basic information Product Name: 2,5-Thiophenedicarboxylic acid Synonyms: 2,5-DICARBOXYTHIOPHENE;2,5-THIOPHENEDICARBOXYLIC ACID;RARECHEM AL BE 0623;OTAVA-BB

2,5-Thiophenedicarboxylic acid_

Cas:4282-31-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Factory direct supply CAS 4282-31-9 with best quality

Cas:4282-31-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Leader Biochemical Group

About Product Details

China Biggest factory Supply High Quality 2,5-Thiophenedicarboxylic acid CAS 4282-31-9

Cas:4282-31-9

Min.Order:50 Kilogram

FOB Price: $3.0 / 5.0

Type:Lab/Research institutions

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Henan Sinotech Import&Export Corporation

Product Name 2,5-Thiophenedicarboxylic acid Synonyms Thiophene-2,5-dicarboxylic acid CAS No. 4282-31-9 EINECS 224-284-2 Molecular Formula C6

2,5-thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

2,5-Thiophenedicarboxylic acid 4282-31-9

Cas:4282-31-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

Product Name: 2,5-Thiophenedicarboxylic acid Synonyms: 2,5-Thiophenedicarbo;Thiophene -2,5- twocarboxylic acid;2,5-Thiophenedicarboxylic Acid, 97+%;2,5-Thiophenedicarboxylic acid 99%;2,5-Thiophenedicarboxylic acid,96%;TH-2COOH;2,5-DICARBOXYTHIO

2,5-Thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Specification Appearance: white to light yellow crystal powder Purity:≥99% Melting point:328-330°C Fineness: Through 100 meshes. Application :. Used for the synthesis of fluorescent whitening agent. Packing 20kgs/bag Appearance:wh

Optical Brightener Intermediate 2, 5-Thiophenedicarboxylic Acid

Cas:4282-31-9

Min.Order:1 Kilogram

FOB Price: $20.0 / 80.0

Type:Trading Company

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Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

2,5-Thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:1 Kilogram

FOB Price: $38.0 / 45.0

Type:Trading Company

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Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

2,5-Thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:4282-31-9

Cas:4282-31-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

2,5-Thiophene Dicarboxylic Acid

Cas:4282-31-9

Min.Order:0

Negotiable

Type:Manufacturers

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Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

2,5-Thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

2,5-Thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

2,5-Thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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Hangzhou Lingrui Chemical Co.,Ltd.

our strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery

2,5-Thiophenedicarboxylic acid Best price/In stock

Cas:4282-31-9

Min.Order:1 Gram

Negotiable

Type:Other

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Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu

2,5-Thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:1 Gram

Negotiable

Type:Other

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providing h

Factory Supply 2,5-thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:0

Negotiable

Type:Other

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Siwei Development Group Ltd.

Product name: Thiophene-2,5-Dicarboxyl Acid CAS No.:4282-31-9 Molecule Formula:C6H4O4S Molecule Weight:172.15 Purity: 97% Package: 25kg/drum Description:White or off-white powder Manufacture Standards:Enterprise Standard TESTING

High Quality Thiophene-2,5-Dicarboxyl Acid in stock

Cas:4282-31-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

2,5-Thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

2,5-Thiophenedicarboxylicacid

Cas:4282-31-9

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

TIANFUCHEM--4282-31-9--2,5-Thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

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Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

2,5-Thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:0

Negotiable

Type:Trading Company

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Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

TIANFUCHEM--4282-31-9--2,5-Thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

2,5-Thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hangzhou Zhongqi chem Co.,Ltd.

Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service an

2,5-thiophenedicarboxylic acid

Cas:4282-31-9

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Synthetic route

2,5-thiophenedicarbonitrile
18853-40-2

2,5-thiophenedicarbonitrile

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With hydrogenchloride for 6h; Heating;79%
Adipic acid
124-04-9

Adipic acid

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
Stage #1: Adipic acid With dmap; thionyl chloride at 78 - 81℃; for 3.5h; Large scale;
Stage #2: With sodium hydroxide In water at 70 - 72℃; for 2h; pH=9.3 - 10; Reagent/catalyst; Temperature; pH-value; Large scale;
75.58%
2,5‐diethyl thiophene‐2,5‐dicarboxylate
61755-85-9

2,5‐diethyl thiophene‐2,5‐dicarboxylate

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With potassium hydroxide In ethanol for 2h; Heating;70%
With potassium hydroxide
2,5-diiodothiophene
625-88-7

2,5-diiodothiophene

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With n-butyllithium; carbon dioxide In tetrahydrofuran; water60%
With diethyl ether; phenyllithium Behandeln des Reaktionsgemisches mit festem Kohlendioxid;
methanol
67-56-1

methanol

2,5-dibromothiophen
3141-27-3

2,5-dibromothiophen

carbon monoxide
201230-82-2

carbon monoxide

A

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

B

Dimethyl thiophene-2,5-dicarboxylate
4282-34-2

Dimethyl thiophene-2,5-dicarboxylate

Conditions
ConditionsYield
With tert-Amyl alcohol; sodium hydride; cobalt(II) acetate In tetrahydrofuran at 40℃; under 760 Torr; for 54h; Irradiation;A 17%
B 55%
2,5-dibromothiophen
3141-27-3

2,5-dibromothiophen

carbon monoxide
201230-82-2

carbon monoxide

A

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

B

Dimethyl thiophene-2,5-dicarboxylate
4282-34-2

Dimethyl thiophene-2,5-dicarboxylate

Conditions
ConditionsYield
With methanol; tert-Amyl alcohol; sodium hydride; cobalt(II) acetate In tetrahydrofuran at 40℃; under 760 Torr; for 54h; Irradiation;A 17%
B 55%
2,5-dibromothiophen
3141-27-3

2,5-dibromothiophen

carbon dioxide
124-38-9

carbon dioxide

A

5-bromothiophene-2-carboxylic acid
7311-63-9

5-bromothiophene-2-carboxylic acid

B

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
Stage #1: 2,5-dibromothiophen; carbon dioxide With tert.-butyl lithium In pentane at -70℃; Inert atmosphere;
Stage #2: With sulfuric acid; water In pentane at 20℃; Inert atmosphere;
A 34%
B 5%
thiophene
188290-36-0

thiophene

n-pentylsodium
1822-71-5

n-pentylsodium

sodium tert-pentoxide
14593-46-5

sodium tert-pentoxide

methylammonium carbonate
15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
aufeinanderfolgender Umsetzung;
thiophene
188290-36-0

thiophene

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With n-heptane; n-pentylsodium; sodium tert-pentoxide anschliessend Behandeln mit festem Kohlendioxid;
2,5-DIMETHYLTHIOPHENE
638-02-8

2,5-DIMETHYLTHIOPHENE

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With alkaline permanganate solution
2-Acetyl-5-methylthiophen
13679-74-8

2-Acetyl-5-methylthiophen

A

2-methylthiophene-5-carboxylic acid
1918-79-2

2-methylthiophene-5-carboxylic acid

B

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With potassium hydroxide; potassium permanganate Behandeln des Reaktionsprodukts mit wss. Wasserstoffperoxid;
2-Acetyl-5-methylthiophen
13679-74-8

2-Acetyl-5-methylthiophen

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With alkaline permanganate solution
With sodium hydroxide; potassium permanganate Oxidation;
2,5-bis-chloromethyl-thiophene
28569-48-4

2,5-bis-chloromethyl-thiophene

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With potassium hydroxide; potassium permanganate
With potassium permanganate; acetone
Glyoxal
131543-46-9

Glyoxal

diethyl thioglycolate
925-47-3

diethyl thioglycolate

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With sodium ethanolate Abdampfen der mit Wasser versetzten Mischung und Ansaeuern mit Salzsaeure;
1-(5-ethyl-thiophen-2-yl)-ethanone
18761-46-1

1-(5-ethyl-thiophen-2-yl)-ethanone

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With alkaline permanganate solution
thiophene
188290-36-0

thiophene

carbon dioxide
124-38-9

carbon dioxide

A

2-thiophenylcarboxylic acid
527-72-0

2-thiophenylcarboxylic acid

B

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With n-butyllithium 1.) methylcyclohexane, THF, from 0 deg C to 25 deg C, 20 h, 2.) methylcyclohexane, THF, ether; Yield given. Multistep reaction. Yields of byproduct given;
2,5-dibromothiophen
3141-27-3

2,5-dibromothiophen

carbon dioxide
124-38-9

carbon dioxide

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With n-butyllithium 1. THF/-50 - -55 deg C; Yield given. Multistep reaction;
Stage #1: 2,5-dibromothiophen With iodine; magnesium In tetrahydrofuran; 1,4-dioxane at 60℃; for 4h; Inert atmosphere;
Stage #2: carbon dioxide In tetrahydrofuran; 1,4-dioxane Solvent; Temperature;
2-thiophenylcarboxylic acid
527-72-0

2-thiophenylcarboxylic acid

carbon dioxide
124-38-9

carbon dioxide

A

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

B

thiophene-2,3-dicarboxylic acid
1451-95-2

thiophene-2,3-dicarboxylic acid

Conditions
ConditionsYield
With n-butyllithium 1.) THF/hexane, -78 deg C, 30 min, 2.) THF/hexane, -78 -> -10 deg C; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
5-chloromethyl-thiophene-2-carboxylic acid ethyl ester

5-chloromethyl-thiophene-2-carboxylic acid ethyl ester

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With nitric acid
5-ethyl-thiophene-carboxylic acid-(2)

5-ethyl-thiophene-carboxylic acid-(2)

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With alkaline permanganate solution
5-methyl-thiophene-carboxylic acid-(2)

5-methyl-thiophene-carboxylic acid-(2)

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With alkaline permanganate solution
potassium salt of/the/ thiophene-disulfonic acid-(2.4)

potassium salt of/the/ thiophene-disulfonic acid-(2.4)

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With potassium cyanide Verseifen durch Kochen mit alkoh. Kali;
potassium-salt of/the/ thiophene-2-carboxylic acid

potassium-salt of/the/ thiophene-2-carboxylic acid

A

thiophene
188290-36-0

thiophene

B

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With cadmium catalyst unter Kohlendioxid;
2-ethylthiophene
872-55-9

2-ethylthiophene

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: petroleum ether; aluminium chloride
2: alkaline permanganate solution
View Scheme
Dimethyl thiophene-2,5-dicarboxylate
4282-34-2

Dimethyl thiophene-2,5-dicarboxylate

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Conditions
ConditionsYield
With sulfuric acid In water at 60℃; for 2h; Large scale;1679 g
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

ethanol
64-17-5

ethanol

2,5‐diethyl thiophene‐2,5‐dicarboxylate
61755-85-9

2,5‐diethyl thiophene‐2,5‐dicarboxylate

Conditions
ConditionsYield
With sulfuric acid Reflux;100%
With sulfuric acid for 120h; Reflux;90%
With graphene oxide at 100℃; for 24h;67%
With sulfuric acid at 85℃; for 72h; Inert atmosphere;3.2 g
for 6h; Reflux;
methanol
67-56-1

methanol

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

Dimethyl thiophene-2,5-dicarboxylate
4282-34-2

Dimethyl thiophene-2,5-dicarboxylate

Conditions
ConditionsYield
With thionyl chloride at 0 - 20℃; for 3h; Heating / reflux;99.9%
With thionyl chloride Reflux;99%
With thionyl chloride Reflux;99%
1,4-diaza-bicyclo[2.2.2]octane
280-57-9

1,4-diaza-bicyclo[2.2.2]octane

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

zinc(II) nitrate hexahydrate

zinc(II) nitrate hexahydrate

1,2-dihydroxybutane
584-03-2

1,2-dihydroxybutane

[Zn12(thiophene-2,5-dicarboxylic acid)6(1,2-butanediol)6(1,4-diaza-bicyclo[2.2.2]octane)3]

[Zn12(thiophene-2,5-dicarboxylic acid)6(1,2-butanediol)6(1,4-diaza-bicyclo[2.2.2]octane)3]

Conditions
ConditionsYield
Stage #1: 1,4-diaza-bicyclo[2.2.2]octane; Thiophene-2,5-dicarboxylic acid; zinc(II) nitrate hexahydrate In N,N-dimethyl-formamide for 1h;
Stage #2: 1,2-dihydroxybutane In N,N-dimethyl-formamide at 130℃; for 48h; Sealed tube;
99%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

2-amino-4-tert-butylphenol
1199-46-8

2-amino-4-tert-butylphenol

Uvitex OB
7128-64-5

Uvitex OB

Conditions
ConditionsYield
With boric acid In toluene at 170 - 240℃; Solvent; Temperature; Inert atmosphere;98.7%
1,4-diaza-bicyclo[2.2.2]octane
280-57-9

1,4-diaza-bicyclo[2.2.2]octane

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

zinc(II) nitrate hexahydrate

zinc(II) nitrate hexahydrate

ethylene glycol
107-21-1

ethylene glycol

[Zn12(thiophene-2,5-dicarboxylic acid)6(ethylene glycol)6(1,4-diaza-bicyclo[2.2.2]octane)3]

[Zn12(thiophene-2,5-dicarboxylic acid)6(ethylene glycol)6(1,4-diaza-bicyclo[2.2.2]octane)3]

Conditions
ConditionsYield
Stage #1: 1,4-diaza-bicyclo[2.2.2]octane; Thiophene-2,5-dicarboxylic acid; zinc(II) nitrate hexahydrate In N,N-dimethyl-formamide for 1h;
Stage #2: ethylene glycol In N,N-dimethyl-formamide at 130℃; for 48h; Sealed tube;
98%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

benzoguanamine
91-76-9

benzoguanamine

C15H11N5O3S

C15H11N5O3S

Conditions
ConditionsYield
In ethanol for 2h; Reflux;97.9%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

(S)-2-aminobutan-1-ol
5856-62-2

(S)-2-aminobutan-1-ol

(-)-2,5-bis[4'-(S)-ethyloxazolin-2'-yl]thiophene

(-)-2,5-bis[4'-(S)-ethyloxazolin-2'-yl]thiophene

Conditions
ConditionsYield
In toluene for 24h; Reflux; water segregator;96%
1,4-diaza-bicyclo[2.2.2]octane
280-57-9

1,4-diaza-bicyclo[2.2.2]octane

propylene glycol
57-55-6

propylene glycol

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

zinc(II) nitrate hexahydrate

zinc(II) nitrate hexahydrate

[Zn12(thiophene-2,5-dicarboxylic acid)6(1,2-propanediol)6(1,4-diaza-bicyclo[2.2.2]octane)3]

[Zn12(thiophene-2,5-dicarboxylic acid)6(1,2-propanediol)6(1,4-diaza-bicyclo[2.2.2]octane)3]

Conditions
ConditionsYield
Stage #1: 1,4-diaza-bicyclo[2.2.2]octane; Thiophene-2,5-dicarboxylic acid; zinc(II) nitrate hexahydrate In N,N-dimethyl-formamide for 1h;
Stage #2: propylene glycol In N,N-dimethyl-formamide at 130℃; for 48h; Sealed tube;
96%
1,4-diaza-bicyclo[2.2.2]octane
280-57-9

1,4-diaza-bicyclo[2.2.2]octane

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

zinc(II) nitrate hexahydrate

zinc(II) nitrate hexahydrate

1,2-pentanediol
5343-92-0

1,2-pentanediol

[Zn12(thiophene-2,5-dicarboxylic acid)6(1,2-pentanediol)6(1,4-diaza-bicyclo[2.2.2]octane)3]

[Zn12(thiophene-2,5-dicarboxylic acid)6(1,2-pentanediol)6(1,4-diaza-bicyclo[2.2.2]octane)3]

Conditions
ConditionsYield
Stage #1: 1,4-diaza-bicyclo[2.2.2]octane; Thiophene-2,5-dicarboxylic acid; zinc(II) nitrate hexahydrate In N,N-dimethyl-formamide for 1h;
Stage #2: 1,2-pentanediol In N,N-dimethyl-formamide at 130℃; for 48h; Sealed tube;
96%
N,N’,N’’,N’’’-tetrakis(2-pyridylmethyl)-1,6-diaminohexane
190773-57-0

N,N’,N’’,N’’’-tetrakis(2-pyridylmethyl)-1,6-diaminohexane

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

cobalt(II) diacetate tetrahydrate
6147-53-1

cobalt(II) diacetate tetrahydrate

poly{[Co2(thiophene-2,5-dicarboxylato)2(N,N’,N’’,N’’’-tetrakis(2-pyridylmethyl)-1,6-diaminohexane)]·H2O}

poly{[Co2(thiophene-2,5-dicarboxylato)2(N,N’,N’’,N’’’-tetrakis(2-pyridylmethyl)-1,6-diaminohexane)]·H2O}

Conditions
ConditionsYield
Stage #1: N,N’,N’’,N’’’-tetrakis(2-pyridylmethyl)-1,6-diaminohexane; cobalt(II) diacetate tetrahydrate In methanol at 20℃;
Stage #2: Thiophene-2,5-dicarboxylic acid In methanol at 20℃;
96%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

tungsten 2,2-dimethylpropionate

tungsten 2,2-dimethylpropionate

[((pivalate)3W2)2(2,5-thienyldicarboxylate)]

[((pivalate)3W2)2(2,5-thienyldicarboxylate)]

Conditions
ConditionsYield
In toluene C4H2S(COOH)2 added to soln. of W2((CH3)3CCOO)4 in toluene; soln. stirredfor 7-10 d at rt; precipitate filtered off; detd. by elem. anal.;95%
In toluene under Ar atm. to soln. (W2(O2C(t)Bu)4) in toluene 2,5-Th(COOH)2 was added and stirred at room temp. for 5-10 days; ppt. was filtered, washed with toluene and hexane, and dried in vacuo; elem. anal.;95%
pyridine
110-86-1

pyridine

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

bismuth (III) nitrate pentahydrate

bismuth (III) nitrate pentahydrate

2C6H2O4S(2-)*2.5H2O*Bi(3+)*C5H5N*H(1+)

2C6H2O4S(2-)*2.5H2O*Bi(3+)*C5H5N*H(1+)

Conditions
ConditionsYield
With acetic acid In ethanol at 20℃; for 120 - 168h; pH=4 - 5;94%
1,4-diaza-bicyclo[2.2.2]octane
280-57-9

1,4-diaza-bicyclo[2.2.2]octane

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

zinc(II) nitrate hexahydrate

zinc(II) nitrate hexahydrate

glycerol
56-81-5

glycerol

[Zn12(thiophene-2,5-dicarboxylic acid)6(glycerol)6(1,4-diaza-bicyclo[2.2.2]octane)3]

[Zn12(thiophene-2,5-dicarboxylic acid)6(glycerol)6(1,4-diaza-bicyclo[2.2.2]octane)3]

Conditions
ConditionsYield
Stage #1: 1,4-diaza-bicyclo[2.2.2]octane; Thiophene-2,5-dicarboxylic acid; zinc(II) nitrate hexahydrate In N,N-dimethyl-formamide for 1h;
Stage #2: glycerol In N,N-dimethyl-formamide at 130℃; for 48h; Sealed tube;
94%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

3-amino-4-hydroxytoluene
95-84-1

3-amino-4-hydroxytoluene

5,5'-dimethyl-2,2'-thiophene-2,5-diyl-bis-benzooxazole
3723-19-1

5,5'-dimethyl-2,2'-thiophene-2,5-diyl-bis-benzooxazole

Conditions
ConditionsYield
With boric acid; tin(ll) chloride In 1,2-dichloro-benzene at 220℃; for 24h; Inert atmosphere; Dean-Stark;94%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

L-Phenylalaninol
3182-95-4

L-Phenylalaninol

(+)-2,5-bis[4'-(S)-benzyloxazolin-2'-yl]thiophene

(+)-2,5-bis[4'-(S)-benzyloxazolin-2'-yl]thiophene

Conditions
ConditionsYield
In toluene for 24h; Reflux; water segregator;93%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

(2S)-2-phenylglycinol
20989-17-7

(2S)-2-phenylglycinol

(+)-2,5-bis[4'-(S)-phenyloxazolin-2'-yl]thiophene
1259933-47-5

(+)-2,5-bis[4'-(S)-phenyloxazolin-2'-yl]thiophene

Conditions
ConditionsYield
In toluene for 24h; Reflux; water segregator;93%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

N,0-dimethylhydroxylamine
1117-97-1

N,0-dimethylhydroxylamine

N2,N5-dimethoxy-N2,N5-dimethylthiophene-2,5-dicarboxamide
821797-87-9

N2,N5-dimethoxy-N2,N5-dimethylthiophene-2,5-dicarboxamide

Conditions
ConditionsYield
Stage #1: Thiophene-2,5-dicarboxylic acid; N,0-dimethylhydroxylamine In toluene at 0℃; for 0.166667h;
Stage #2: With phosphorus trichloride In toluene at 20 - 60℃; for 0.5h;
92%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

manganese(II) chloride tetrahydrate

manganese(II) chloride tetrahydrate

2-(5-{6-[5-(pyrazin-2-yl)-1H-1,2,4-triazol-3-yl]-pyridin-2-yl}-1H-1,2,4-triazol-3-yl)pyrazine
1349082-74-1

2-(5-{6-[5-(pyrazin-2-yl)-1H-1,2,4-triazol-3-yl]-pyridin-2-yl}-1H-1,2,4-triazol-3-yl)pyrazine

water
7732-18-5

water

{[Mn2(ptptp)(Hbtc)(H2O)2]·2H2O}n

{[Mn2(ptptp)(Hbtc)(H2O)2]·2H2O}n

Conditions
ConditionsYield
With 3-ethyl-1-methyl-1H-imidazol-3-ium bromide In acetonitrile at 160℃; for 72h; Reagent/catalyst; Autoclave;92%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

(S)-valinol
2026-48-4

(S)-valinol

(-)-2,5-bis[4'-(S)-isopropyloxazolin-2'-yl]thiophene

(-)-2,5-bis[4'-(S)-isopropyloxazolin-2'-yl]thiophene

Conditions
ConditionsYield
In toluene for 24h; Reflux; water segregator;91%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

dimolybdenum tetrapivalate

dimolybdenum tetrapivalate

[((pivalate)3Mo2)2(2,5-thienyldicarboxylate)]

[((pivalate)3Mo2)2(2,5-thienyldicarboxylate)]

Conditions
ConditionsYield
In toluene C4H2S(COOH)2 added to soln. of Mo2((CH3)3CCOO)4 in toluene; soln. stirred for 7-10 d at rt; precipitate filtered off; detd. by elem. anal., MALDI;90%
In toluene under Ar atm. to soln. (Mo2(O2C(t)Bu)4) in toluene 2,5-Th(COOH)2 was added and stirred at room temp. for 5-10 days; ppt. was filtered; elem. anal.;90%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

manganese(II) chloride tetrahydrate

manganese(II) chloride tetrahydrate

water
7732-18-5

water

Mn2(thiophene-2,5-dicarboxylate)2(H2O)3

Mn2(thiophene-2,5-dicarboxylate)2(H2O)3

Conditions
ConditionsYield
With NH3*H2O In water High Pressure; mixt. of MnCl2*4H2O, thiohene-2,5-dicarboxylic acid, H2O adjusted to pH 7.4 by aq. soln. of NH3*H2O, placed in autoclave, heated at 110°Cfor 3 d, slow cooled to room temp.; ppt. filtered, washed with H2O; elem. anal.;90%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

cobalt(II) chloride hexahydrate

cobalt(II) chloride hexahydrate

water
7732-18-5

water

Co2(thiophene-2,5-dicarboxylate)2(H2O)3

Co2(thiophene-2,5-dicarboxylate)2(H2O)3

Conditions
ConditionsYield
With NH3*H2O In water High Pressure; mixt. of CoCl2*6H2O, thiohene-2,5-dicarboxylic acid, H2O adjusted to pH 7.4 by aq. soln. of NH3*H2O, placed in autoclave, heated at 110°Cfor 3 d, slow cooled to room temp.; ppt. filtered, washed with H2O; elem. anal.;90%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

zinc(II) nitrate hexahydrate

zinc(II) nitrate hexahydrate

2,5-bis(4-(pyridine-4-yl)phenyl)thiazolo[5,4-d]thiazole

2,5-bis(4-(pyridine-4-yl)phenyl)thiazolo[5,4-d]thiazole

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

[Zn2(2,5-bis(4-(pyridine-4-yl)phenyl)thiazolo[5,4-d]thiazole)2(2,5-thiophene dicarboxylate)2]n*2DMF

[Zn2(2,5-bis(4-(pyridine-4-yl)phenyl)thiazolo[5,4-d]thiazole)2(2,5-thiophene dicarboxylate)2]n*2DMF

Conditions
ConditionsYield
at 120℃; for 72h;90%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

aluminum(III) sulphate octadecahydrate

aluminum(III) sulphate octadecahydrate

water
7732-18-5

water

[Al(μ-OH)(2,5-thiophenedicarboxylate)]

[Al(μ-OH)(2,5-thiophenedicarboxylate)]

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 135℃; for 24h;90%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

cobalt(II) diacetate tetrahydrate
6147-53-1

cobalt(II) diacetate tetrahydrate

N,N’-(1,4-phenylenebis(methylene))bis(1-(pyridin-2-yl)-N-(pyridin-2-ylmethyl)methanamine)
263713-26-4

N,N’-(1,4-phenylenebis(methylene))bis(1-(pyridin-2-yl)-N-(pyridin-2-ylmethyl)methanamine)

poly{[Co2(thiophene-2,5-dicarboxylato)2(N,N’-(1,4-phenylenebis(methylene))bis(1-(pyridin-2-yl)-N-(pyridin-2-ylmethyl)methanamine))]·6H2O}

poly{[Co2(thiophene-2,5-dicarboxylato)2(N,N’-(1,4-phenylenebis(methylene))bis(1-(pyridin-2-yl)-N-(pyridin-2-ylmethyl)methanamine))]·6H2O}

Conditions
ConditionsYield
Stage #1: cobalt(II) diacetate tetrahydrate; N,N’-(1,4-phenylenebis(methylene))bis(1-(pyridin-2-yl)-N-(pyridin-2-ylmethyl)methanamine) In methanol at 20℃;
Stage #2: Thiophene-2,5-dicarboxylic acid In methanol at 20℃;
90%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

2-amino-phenol
95-55-6

2-amino-phenol

2,2'-thiophene-2,5-diylbis(benzoxazole)
2866-43-5

2,2'-thiophene-2,5-diylbis(benzoxazole)

Conditions
ConditionsYield
With boric acid; tin(ll) chloride In 1,2-dichloro-benzene at 220℃; for 24h; Inert atmosphere; Dean-Stark;89.23%
Stage #1: Thiophene-2,5-dicarboxylic acid; 2-amino-phenol at 150℃; for 2h; Inert atmosphere;
Stage #2: With ammonia In water at 20℃; pH=~ 10 - 11; Cooling with cold water;
5.5%
With boric acid In 1-methyl-pyrrolidin-2-one; toluene at 20 - 185℃; for 13h;
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

(S)-tert-leucinol
112245-13-3

(S)-tert-leucinol

(+)-2,5-bis[4'-(S)-tert-butyloxazolin-2'-yl]thiophene

(+)-2,5-bis[4'-(S)-tert-butyloxazolin-2'-yl]thiophene

Conditions
ConditionsYield
In toluene for 24h; Reflux; water segregator;89%
Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

manganese(II) chloride tetrahydrate

manganese(II) chloride tetrahydrate

ISOPROPYLAMIDE
563-83-7

ISOPROPYLAMIDE

A

Mn2(2,5-thiophenedicarboxylate)2(N,N-dimethylacetamide)2

Mn2(2,5-thiophenedicarboxylate)2(N,N-dimethylacetamide)2

B

Mn2(2,5-thiophenedicarboxylate)2(acetate)*(dimethylammonium)

Mn2(2,5-thiophenedicarboxylate)2(acetate)*(dimethylammonium)

Conditions
ConditionsYield
at 120℃; for 120h; High pressure;A 89%
B n/a
formic acid
64-18-6

formic acid

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

zirconium(IV) chloride
10026-11-6

zirconium(IV) chloride

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

[Zr6O6(OH)2(2,5-thiophenedicarboxylate)4(formate)2(N,Ndimethylformamide)*(H2O)5]

[Zr6O6(OH)2(2,5-thiophenedicarboxylate)4(formate)2(N,Ndimethylformamide)*(H2O)5]

Conditions
ConditionsYield
In 1-methyl-pyrrolidin-2-one at 120℃; for 48h; Sonication;89%
formic acid
64-18-6

formic acid

Thiophene-2,5-dicarboxylic acid
4282-31-9

Thiophene-2,5-dicarboxylic acid

zirconium(IV) chloride
10026-11-6

zirconium(IV) chloride

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

Zr6O6(OH)2(2,5-thiophenedicarboxylate)4(HCOO)2(DMF)2

Zr6O6(OH)2(2,5-thiophenedicarboxylate)4(HCOO)2(DMF)2

Conditions
ConditionsYield
In 1-methyl-pyrrolidin-2-one at 80℃; for 48h;89%

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