Dayangchem's 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. DayangChem can provide different quantities
Cas:88-13-1
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome 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
Cas:88-13-1
Min.Order:0 Metric Ton
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Type:Manufacturers
inquiryGood quality Good price Appearance:white powder Storage:dry condition Package:According to the demand of customer Application:intermediate Transportation:By sea or by Air Port:Shanghai Port
Cas:88-13-1
Min.Order:1000 Kilogram
Negotiable
Type:Manufacturers
inquiryOur 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
Cas:88-13-1
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryProduct Description Product website: http://www.finerchem.com Product Name 3-Thiophenecarboxylic acid CAS No. 8
Cas:88-13-1
Min.Order:1 Gram
FOB Price: $12.0
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:88-13-1
Min.Order:1 Kilogram
FOB Price: $100.0 / 150.0
Type:Trading Company
inquiryWITH 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
Cas:88-13-1
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.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
Cas:88-13-1
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryOur 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
Cas:88-13-1
Min.Order:1 Kilogram
FOB Price: $57.5 / 63.4
Type:Trading Company
inquiry3-Thiophenezoic acid CAS: 88-13-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic interm
Cas:88-13-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:88-13-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan 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
1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:88-13-1
Min.Order:1 Kilogram
FOB Price: $10.0 / 100.0
Type:Lab/Research institutions
inquiryBest 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
Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
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
Cas:88-13-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryThe 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 providi
Cas:88-13-1
Min.Order:0 Metric Ton
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Type:Other
inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:88-13-1
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryZibo Hangyu Biotechnology Development 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 chemi
Cas:88-13-1
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirysuperior quality Appearance:white to light yellow crystal powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used as Pharmaceutical Intermedia
Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Cas:88-13-1
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiry3-Thiophenezoic acid Chemical Properties Melting point 136-141 °C(lit.) storage temp. Refrigerated. solubility wa
Cas:88-13-1
Min.Order:1 Metric Ton
FOB Price: $20.0
Type:Lab/Research institutions
inquiryProduct 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,
Cas:88-13-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryCAS:88-13-1 EINECS:201-802-5 MW:128.15 MF:C5H4O2S Melting point:136-141 °C(lit.) Appearance:White needle crystal Package:25kg/drum Transportation:by sea/air/courier Port:Shanghai
Product Name: 3-Thiophenezoic acid MF: C5H4O2S MW: 128.15 EINECS: 201-802-5 Mol File: 88-13-1.mol 3-Thiophenezoic acid Structure 3-Thiophenezoic acid Chemical Properties Melting point 136-141 °C (lit.) Boiling point 260&d
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
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
Cas:88-13-1
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryName: 3-Thiophenezoicacid. Synonym:3-Carboxythiophene;Thiophene-3-carboxylicacid,99%;3-Thenoylicacid;3-Thiophenecarboxylicacid,99%;3-Carboxythiophene,3-Thenoicacid;3-Thiophenecarboxylicacid,99%1GR;3-ThiophenecarboxylicAcid3-ThiophenicAcid;3-thiop
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 and h
Wuhu Nuovo Chemical Technology Co., Ltd. was established in August 2014, mainly engaged in the development, production and sales of ionic liquids, ribose, nucleosides, nucleotides and related chemicals; Products are mainly used in new energy, new ma
Conditions | Yield |
---|---|
Stage #1: carbon dioxide With o-phenylenebis(diphenylphosphine); copper(II) acetate monohydrate In 1,4-dioxane at 65℃; for 0.333333h; Schlenk technique; Stage #2: 3-Bromothiophene With palladium diacetate; triethylamine; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane; toluene at 100℃; for 7h; Schlenk technique; Sealed tube; | 94% |
Stage #1: carbon dioxide With o-phenylenebis(diphenylphosphine); copper(II) acetate monohydrate In 1,4-dioxane at 60℃; for 0.416667h; Schlenk technique; Stage #2: 3-Bromothiophene With palladium diacetate; triethylamine; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane; toluene at 100℃; for 7h; Schlenk technique; | 94% |
With manganese; 2.9-dimethyl-1,10-phenanthroline; lithium acetate; cobalt(II) bromide In N,N-dimethyl acetamide at 20℃; under 760.051 Torr; for 12h; Inert atmosphere; Schlenk technique; | 65% |
Conditions | Yield |
---|---|
With palladium diacetate; triethylamine; dicyclohexyl-carbodiimide; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In N,N-dimethyl-formamide at 80℃; for 10h; Inert atmosphere; Sealed tube; | 90% |
With palladium diacetate; triethylamine; dicyclohexyl-carbodiimide; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In N,N-dimethyl-formamide at 100℃; for 20h; Inert atmosphere; Sealed tube; | 46% |
2-(thiophen-3-yl)-5,5-dimethyl-1,3,2-dioxaborinane
carbon dioxide
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 5,5-dimethyl-2-(thiophen-3-yl)-1,3,2-dioxaborinane; carbon dioxide With [Ni(N,N'-bis[2,6-bis(diphenylmethyl)-4-methylphenyl]imidazole-2-ylidene)(allyl)Cl]; potassium tert-butylate In toluene at 100℃; under 760.051 Torr; for 15h; Schlenk technique; Inert atmosphere; Stage #2: With hydrogenchloride In water; ethyl acetate; toluene at 20℃; | 88% |
Stage #1: 5,5-dimethyl-2-(thiophen-3-yl)-1,3,2-dioxaborinane; carbon dioxide With potassium tert-butylate; silver(I) acetate; triphenylphosphine In 1,4-dioxane at 100℃; under 15201 Torr; for 8h; Inert atmosphere; Autoclave; Stage #2: With hydrogenchloride In tetrahydrofuran; water Inert atmosphere; | 83% |
With 1,3-bis-(diphenylphosphino)propane; cesium fluoride; [Rh(OH)(cod)]2 In 1,4-dioxane at 60℃; | 64% |
3-hydroxymethyl-thiophene
A
3-thiophene carboxaldehyde
B
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
With sodium hypochlorite; C8H18NPol; sodium hydrogencarbonate In water; toluene at 15 - 20℃; for 4.5h; Product distribution / selectivity; | A 87.5% B 0.1% |
With Iron(III) nitrate nonahydrate; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; potassium chloride; oxygen In 1,2-dichloro-ethane at 25℃; for 48h; Schlenk technique; | A 18 %Spectr. B 65% |
With sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hydrogencarbonate In water; toluene at 15 - 20℃; for 4.5h; Product distribution / selectivity; | A 52.3% B 2.3% |
3-ethynylthiophene
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
With oxone; sodium hydrogencarbonate In water; acetonitrile at 20℃; for 8h; | 86% |
With carbon tetrabromide; water; oxygen In ethyl acetate for 20h; Irradiation; | 16% |
Conditions | Yield |
---|---|
With 3,4-benzo-1,1,2,2-tetraethyl-1,2-disilacyclobut-3-ene; cesium fluoride In N,N-dimethyl-formamide at 0 - 20℃; under 760.051 Torr; for 2h; | 85% |
Conditions | Yield |
---|---|
With water; palladium diacetate; potassium carbonate at 20℃; under 760.051 Torr; for 12h; | 84% |
3-hydroxymethyl-thiophene
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
With hydrogen bromide; oxygen In acetonitrile for 10h; Irradiation; | 83% |
With carbon tetrabromide; oxygen; triphenylphosphine In acetonitrile for 10h; fluorescent irradiation; | 80% |
With dichloro(1,5-cyclooctadiene)ruthenium(II); C30H30N3P2(1+)*Cl(1-); potassium hydroxide In toluene at 120℃; for 24h; Inert atmosphere; Schlenk technique; | 76% |
Conditions | Yield |
---|---|
With water; chromium(VI) oxide In diethyl ether | 80% |
With chromic acid In diethyl ether at 0℃; for 3h; | 80% |
With sodium hydroxide; silver(l) oxide |
3-Bromothiophene
methanol
carbon monoxide
A
methyl thiophene-3-carboxylate
B
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
With CoCRACO; sodium tert-pentoxide; sodium hydride In tetrahydrofuran for 14h; Irradiation; | A 80% B 12.5% |
With tert-Amyl alcohol; sodium hydride; cobalt(II) acetate In tetrahydrofuran at 40℃; under 760 Torr; for 14h; Irradiation; | A 80% B 12.5% |
3-Bromothiophene
carbon monoxide
A
methyl thiophene-3-carboxylate
B
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
With methanol; tert-Amyl alcohol; sodium hydride; cobalt(II) acetate In tetrahydrofuran at 40℃; under 760 Torr; for 14h; Irradiation; | A 80% B 12.5% |
3-chlorothiophene
methanol
carbon monoxide
A
methyl thiophene-3-carboxylate
B
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
With tert-Amyl alcohol; sodium hydride; cobalt(II) acetate In tetrahydrofuran at 40℃; under 760 Torr; for 17h; Irradiation; | A 77.5% B 8.5% |
3-chlorothiophene
carbon monoxide
A
methyl thiophene-3-carboxylate
B
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
With methanol; tert-Amyl alcohol; sodium hydride; cobalt(II) acetate In tetrahydrofuran at 40℃; under 760 Torr; for 17h; Irradiation; | A 77.5% B 8.5% |
Conditions | Yield |
---|---|
at 30℃; for 16h; Pseudomonas putida ATCC 33015; | 70% |
With sodium dichromate In water at 250℃; for 16h; | 60% |
With oxygen; cobalt(II) acetate; sodium bromide In acetic acid at 100℃; for 1.5h; Kinetics; Rate constant; |
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
With 2-chloroanthracene-9,10-dione; oxygen; caesium carbonate In acetone for 48h; Irradiation; | 70% |
With iodine; oxygen In ethyl acetate for 10h; Mercury lamp irradiation; | 57% |
A
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
With lithium diisopropyl amide In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide at -78℃; for 0.25h; | A n/a B 64% |
Conditions | Yield |
---|---|
With iodine; dimethyl sulfoxide at 120℃; for 26h; Sealed tube; Green chemistry; | 62% |
A
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
With lithium diisopropyl amide In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide at -78℃; for 0.25h; | A n/a B 57% |
Conditions | Yield |
---|---|
With manganese; 2,9-dibutyl-4,7-dimethyl-1,10-phenanthroline; tetraethylammonium iodide; lithium acetate; cobalt(II) bromide In N,N-dimethyl acetamide at 100℃; under 760.051 Torr; for 12h; Inert atmosphere; Schlenk technique; | 51% |
A
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
With lithium diisopropyl amide In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide at -78℃; for 0.25h; | A n/a B 47% |
thiophene
carbon monoxide
A
β-thiophen carboxylic anhydride
B
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
With palladium diacetate; ethylene dibromide at 100℃; under 11400 Torr; for 20h; | A 35% B 42% |
Conditions | Yield |
---|---|
Stage #1: 3-thienyl iodide; malononitrile With copper(l) iodide; caesium carbonate; L-proline In dimethyl sulfoxide at 130℃; for 24h; Ullmann type reaction; Inert atmosphere; Stage #2: In dimethyl sulfoxide at 140℃; for 12h; Stage #3: With hydrogenchloride In water pH=2 - 3; | 37% |
Conditions | Yield |
---|---|
With copper(l) iodide; potassium carbonate In dimethyl sulfoxide at 100℃; for 24h; Inert atmosphere; | 27% |
3-Bromothiophene
n-butyllithium
diethyl ether
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
at -70℃; anschliessend mit festem Kohlendioxid; |
3-Bromothiophene
ethylmagnesium bromide
benzene
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
anschliessenden Behandeln mit Kohlendioxid; |
Conditions | Yield |
---|---|
With ethyl bromide; diethyl ether; magnesium Behandeln des Reaktionsgemisches mit festem Kohlendioxid; | |
With n-butyllithium; diethyl ether at -70℃; Behandeln des Reaktionsgemisches mit festem Kohlendioxid; |
Conditions | Yield |
---|---|
With ethanol; copper(l) cyanide at 180℃; |
3-thienyl iodide
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
With ethyl bromide; diethyl ether; magnesium anschliessend Behandeln mit Kohlendioxid; |
Conditions | Yield |
---|---|
With hydrogenchloride |
diazomethane
3-Thiophene carboxylic acid
methyl thiophene-3-carboxylate
Conditions | Yield |
---|---|
In diethyl ether | 100% |
3-Thiophene carboxylic acid
acetaldehyde
2-(1-hydroxy-ethyl)-thiophene-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 3-Thiophene carboxylic acid With tert.-butyl lithium In tetrahydrofuran; pentane at -78℃; Stage #2: acetaldehyde In tetrahydrofuran; pentane at -78 - 20℃; | 100% |
Stage #1: 3-Thiophene carboxylic acid With lithium hexamethyldisilazane In tetrahydrofuran at -80 - -50℃; for 1h; Stage #2: acetaldehyde In tetrahydrofuran at -80 - -20℃; for 0.5h; Stage #3: With hydrogenchloride In tetrahydrofuran; water at 20℃; |
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
With N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In dichloromethane for 16h; | 100% |
3-Thiophene carboxylic acid
β-thiophen carboxylic anhydride
Conditions | Yield |
---|---|
Stage #1: 3-Thiophene carboxylic acid With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0℃; Stage #2: With bis(trichloromethyl) carbonate In tetrahydrofuran at 0 - 20℃; | 99% |
With acetic anhydride; toluene | |
With 2,4,6-trimethyl-pyridine; bis(trichloromethyl) carbonate In tetrahydrofuran for 0.0166667h; | |
Multi-step reaction with 2 steps 1.1: potassium hydroxide / water / 0.5 h / 20 °C 2.1: trichloroisocyanuric acid; triphenylphosphine / dichloromethane / 0 - 20 °C 2.2: 2 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
With potassium carbonate In dimethyl sulfoxide at 130℃; for 5h; | 99% |
3-Thiophene carboxylic acid
N,N-dimethyl-formamide
2-formylthiophene-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 3-Thiophene carboxylic acid With N,N,N,N,-tetramethylethylenediamine In tetrahydrofuran at -78℃; for 0.166667h; Stage #2: With n-butyllithium In tetrahydrofuran for 1h; Stage #3: N,N-dimethyl-formamide In tetrahydrofuran for 0.5h; | 98.3% |
Stage #1: 3-Thiophene carboxylic acid With N,N,N,N,-tetramethylethylenediamine In tetrahydrofuran at -78℃; for 0.166667h; Inert atmosphere; Stage #2: With n-butyllithium In tetrahydrofuran for 1h; Stage #3: N,N-dimethyl-formamide In tetrahydrofuran for 0.5h; | 98.3% |
3-Thiophene carboxylic acid
2-bromothiophene-4-carboxylic acid
Conditions | Yield |
---|---|
With bromine; acetic acid at 20℃; | 98% |
With bromine In acetic acid | 74% |
With bromine In acetic acid | 70% |
3-Thiophene carboxylic acid
7,13-O,O-diacetyl-2-O-debenzoylbaccatin III
7,13-O,O-diacetyl-2-O-debenzoyl-2-O-(3-thiophenecarbonyl)baccatin III
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran; toluene at 80℃; for 36h; Inert atmosphere; | 98% |
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 3-Thiophene carboxylic acid With 2,4,6-trimethyl-pyridine; bis(trichloromethyl) carbonate In tetrahydrofuran at 20℃; for 0.166667h; Inert atmosphere; Stage #2: (S)-allyl 2-(allyloxy)-4-(2-(allyloxy)-4-(4-(2-(4-aminobenzamido)-3-cyanopropanamido)benzamido)-3-methoxybenzamido)-3-methoxybenzoate With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃; for 12h; | 98% |
3-Thiophene carboxylic acid
3-thiophene carboxylic acid chloride
Conditions | Yield |
---|---|
With oxalyl dichloride In dichloromethane for 1.91667h; Inert atmosphere; Reflux; | 97% |
With oxalyl dichloride In dichloromethane at 0 - 20℃; | 91% |
With oxalyl dichloride In dichloromethane at 0℃; for 12h; | 78% |
3-Thiophene carboxylic acid
L-proline methyl ester monohydrochloride
methyl (2S)-N-(3-thiophenecarbonyl)pyrrolidin-2-carboxylate
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 0 - 20℃; | 97% |
3-Thiophene carboxylic acid
β-thiophen carboxylic anhydride
Conditions | Yield |
---|---|
Stage #1: 3-Thiophene carboxylic acid With trichloroisocyanuric acid; triphenylphosphine In dichloromethane at 0 - 20℃; Stage #2: potassium thiophene-3-carboxylate In dichloromethane at 20℃; for 2h; | 97% |
benzoxazole
3-Thiophene carboxylic acid
2-(thiophen-3-yl)benzo[d]oxazole
Conditions | Yield |
---|---|
With dmap; copper (II)-fluoride; palladium diacetate; 2,2-dimethylpropanoic anhydride; 1,4-di(diphenylphosphino)-butane In 1,4-dioxane at 160℃; for 15h; Schlenk technique; Inert atmosphere; chemoselective reaction; | 97% |
Conditions | Yield |
---|---|
With N-Bromosuccinimide In N,N-dimethyl-formamide Inert atmosphere; Darkness; | 95% |
With N-Bromosuccinimide In N,N-dimethyl-formamide at 50℃; for 28h; Darkness; Inert atmosphere; | 92% |
With N-Bromosuccinimide In N,N-dimethyl-formamide at 50℃; for 18h; Darkness; | 88% |
3-Thiophene carboxylic acid
1,2-diamino-benzene
2-(thiophen-3-yl)-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
With PPA at 180℃; for 1.5h; | 95% |
3-Thiophene carboxylic acid
dimethyl dicarbonate
methyl thiophene-3-carboxylate
Conditions | Yield |
---|---|
magnesium(II) perchlorate In nitromethane at 40℃; for 16h; | 95% |
1,4-dioxane
3-Thiophene carboxylic acid
1,4-dioxan-2-yl thiophene-3-carboxylate
Conditions | Yield |
---|---|
With iron(III)-acetylacetonate; di-tert-butyl peroxide at 120℃; for 24h; Schlenk technique; | 95% |
Conditions | Yield |
---|---|
With [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2; oxygen; sodium acetate In methanol at 45℃; under 760.051 Torr; for 18h; Schlenk technique; regioselective reaction; | A 95% B 2% |
Conditions | Yield |
---|---|
In methanol at 50℃; | 94% |
3-Thiophene carboxylic acid
5,6-dimethoxy-2-(N-propylamino)indan
thiophene-3-carboxylic acid (5,6-dimethoxy-indan-2-yl)-propyl-amide
Conditions | Yield |
---|---|
With diethyl cyanophosphonate; triethylamine In dichloromethane at 20℃; for 24h; | 93% |
di-tert-butyl dicarbonate
3-Thiophene carboxylic acid
tert-butyl thiophene-3-carboxylate
Conditions | Yield |
---|---|
magnesium(II) perchlorate In nitromethane at 40℃; for 16h; | 93% |
3-Thiophene carboxylic acid
dibenzyl dicarbonate
benzyl thiophene-3-carboxylate
Conditions | Yield |
---|---|
magnesium(II) perchlorate In nitromethane at 40℃; for 16h; | 93% |
3-Thiophene carboxylic acid
4-cyclohexyl-thiosemicarbazide
Conditions | Yield |
---|---|
With trichlorophosphate In 1,4-dioxane at 60 - 95℃; for 5h; | 93% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; trichlorophosphate In 1,4-dioxane | 93% |
3-Thiophene carboxylic acid
diphenyl acetylene
6,7-diphenyl-4H-thieno[3,2-c]pyran-4-one
Conditions | Yield |
---|---|
With [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2; oxygen; sodium acetate In methanol at 45℃; under 760.051 Torr; for 18h; Schlenk technique; regioselective reaction; | 93% |
With dichloro[1,3-di(ethoxycarbonyl)-2,4,5-trimethylcyclopentadienyl]rhodium(III) dimer; copper(II) acetate monohydrate; silver(I) triflimide In dichloromethane at 20℃; for 24h; Sealed tube; | 74% |
With dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; copper diacetate In N,N-dimethyl-formamide at 120℃; for 2h; | 60% |
With dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; copper(II) acetate monohydrate In water at 120℃; for 0.5h; Microwave irradiation; Green chemistry; | 45% |
Conditions | Yield |
---|---|
With potassium phosphate; 1-(2,2-diphenyl-2λ4,3λ4-[1,3,2]diazaborolo[4,5,1-ij]quinolin-1(2H)-yl)-3-phenylpropan-1-one; 4,4'-di-tert-butyl-2,2'-bipyridine; nickel dibromide In dimethyl sulfoxide at 25℃; for 22h; Irradiation; | 93% |
3-Thiophene carboxylic acid
2-iodophenylamine
N-(2-iodophenyl)thiophene-3-carboxamide
Conditions | Yield |
---|---|
Stage #1: 3-Thiophene carboxylic acid With thionyl chloride In toluene at 70℃; for 2.5h; Stage #2: 2-iodophenylamine With TEA In dichloromethane at 20℃; for 5h; | 92% |
3-Thiophene carboxylic acid
N,O-dimethylhydroxylamine*hydrochloride
thiophene-3-(N-methoxy-N-methyl)carboxamide
Conditions | Yield |
---|---|
With 4-methyl-morpholine; dmap In dichloromethane | 92% |
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 3-Thiophene carboxylic acid With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 0.166667h; Stage #2: 4-[(2S',6S')-6'-(4-((6-aminohexyl)oxy)butyl)tetrahydropyran-2-yl]-1-[(2S'',6S'')-6''-(4-hydroxybutyltetrahydropyran-2-yl)methyl]-1H-1,2,3-triazole In dichloromethane at 20℃; | 92% |
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