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 quantiti
Cas:126213-50-1
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inquirySuperiority : 1.Powerful R & D team 2.The ability of quantized production,from grams to tons; 3.Various kinds of advanced equipment in the laboratory and plant; 4.Strict QC standard to meet the demand of customers,advanced equip
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inquiry3,4-Ethylenedioxythiophene EDOT CAS 126213-50-1 2,3-Dihydrothieno[3,4-b]-1,4-dioxin CAS no 126213-50-1 Thieno[3,4-b]-1,4-dioxin,2,3-dihydro- 3,4-Ethylenedioxythiophene Manufacturer High quality Best price In stock factory CAS 126213-50-1 3,4-Et
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inquiryFactory direct sales, accept customization. 3,4-Ethylenedioxythiophene is used as a monomer to synthesize the conductive polymers and used as a reductant in the one-pot synthesis of gold nanoparticles from chloroauric acid, as starting material used
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Min.Order:1 Kilogram
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inquiry3,4-Ethylenedioxythiophene 126213-50-1 factory in China with excellent service Our Competitive Advantage: 1.Best quality in your requirement 2.Competitive price in China market 3.mature Technical support 4.Professional
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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
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inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/1358.html Product Name 3,4-Ethylenedioxythiophene CAS No. 126213-50-1
Cas:126213-50-1
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inquiryHigh purity 3,4-Ethylenedioxythiophene (EDOT) CAS 126213-50-1 supplied by factory Specifications of 3,4-Ethylenedioxythiophene (EDOT) CAS 126213-50-1: Items Specifications Result
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inquiryhigh purity Appearance:colorless to slight yellow liquid Storage:Sealed, dry, microtherm , avoid light and smell. Package:meet customer's demand Application:organic synthesis Transportation:by sea or by air Port:Shanghai, Qingdao
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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
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Cas:126213-50-1
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inquiryTIANFUCHEM--126213-50-1--3,4-Ethylenedioxythiophene factory price Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable busin
Cas:126213-50-1
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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 manufactu
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inquiryProduct name 3,4-Ethylenedioxythiophene Synonyms 2,3-Dihydrothieno[3,4-b]-1,4-dioxin; EDOT CAS 126213-50-1 Molecular Formula C6H6O2S
Cas:126213-50-1
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
inquiryAppearance:Colourless to pale yellow liquid Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Any port in china
Cas:126213-50-1
Min.Order:25 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:Colorless or light yellow liquid Storage:Store in sealed con
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Min.Order:100 Gram
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Min.Order:1 Kilogram
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inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:liquid Storage:Refer to COA / MSDS Package:Fact
Cas:126213-50-1
Min.Order:1 Kilogram
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Type:Trading Company
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Cas:126213-50-1
Min.Order:1 Kilogram
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Type:Trading Company
inquiry3,4-Ethylenedioxythiophene CAS:126213-50-1 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 organ
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Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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Min.Order:1 Kilogram
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inquiryMinimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,
Cas:126213-50-1
Min.Order:10 Gram
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inquiry3,4-Ethylenedioxythiophene CAS:126213-50-1 Specification items specifications results appearance colorless or light yellow liquid colorless clear liquid a
Cas:126213-50-1
Min.Order:1 Kilogram
Negotiable
Type:Other
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
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inquiryAppearance:colorless or light yellow liquid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common pro
Cas:126213-50-1
Min.Order:100 Metric Ton
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Type:Lab/Research institutions
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Min.Order:0 Metric Ton
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Type:Lab/Research institutions
inquiry3,4-ethylenedioxythiophene-2,5-dicarboxyllic acid
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
copper In ethylene glycol at 20 - 140℃; for 8.5h; | 98% |
copper (II) carbonate hydroxide In polyethylene glycol 300 for 20h; Heating / reflux; | 96% |
copper (II) carbonate hydroxide In sulfolane at 140℃; for 8h; | 95% |
2,3-dihydro-thieno[3,4-b][1,4]dioxine-5,7-dicarboxylic acid diethyl ester
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With copper(II) oxide; zinc(II) oxide In water; N,N-dimethyl-formamide at 115℃; for 3h; Catalytic behavior; Temperature; | 97.9% |
With sodium chloride In dimethyl sulfoxide at 120℃; for 6h; Time; | 84% |
Multi-step reaction with 2 steps 1: 95 percent / KOH / ethanol / 3 h / Heating 2: 68 percent / CuO; quinoline / 5 h / 200 °C View Scheme | |
Multi-step reaction with 2 steps 1: 100 percent / potassium hydroxide / ethanol / 3 h / Heating 2: 54 percent / copper bronze, quinoline / 4 h / 180 - 200 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: sodium hydroxide; water / 0.08 h / 100 °C / Microwave irradiation 1.2: 20 °C / pH 2.0 2.1: copper chromite / N,N-dimethyl-formamide / 0.33 h / 153 °C / Microwave irradiation View Scheme |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene at 95℃; for 96h; Inert atmosphere; | 84% |
With toluene-4-sulfonic acid In toluene Heating; | 65% |
With toluene-4-sulfonic acid In methanol; toluene at 100℃; for 3h; Reagent/catalyst; Inert atmosphere; | 46.7% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid; hydroquinone In o-xylene at 137 - 142℃; for 4h; Reagent/catalyst; Inert atmosphere; | 84% |
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
Purification / work up; | 76% |
2,5-bis(trimethylsilyl)-3,4-ethylenedioxythiophene
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride | 70% |
diethinyl glycol
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile); tiolacetic acid In toluene at 80℃; for 5h; Inert atmosphere; Schlenk technique; Green chemistry; | 48% |
Conditions | Yield |
---|---|
With potassium phosphate; copper(l) iodide; 8-quinolinol In N,N-dimethyl-formamide at 120℃; for 24h; Reagent/catalyst; Solvent; | A 43% B 15% |
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With sulfur; copper(l) iodide In toluene at 180℃; for 6h; Reagent/catalyst; Temperature; Microwave irradiation; Sealed tube; | 37% |
(3S*,4R*)-tetrahydro-3,4-ethylenedioxythiophene
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In chlorobenzene for 9h; Inert atmosphere; Reflux; | 23% |
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In chlorobenzene at 80℃; for 6h; Inert atmosphere; | 21% |
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodiumsulfide nonahydrate / N,N-dimethyl-formamide / 17 h / 50 °C / Inert atmosphere 2: 2,3-dicyano-5,6-dichloro-p-benzoquinone / chlorobenzene / 6 h / 80 °C / Inert atmosphere View Scheme |
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: potassium hydroxide / ethanol / 12 h / Inert atmosphere; Reflux 2: hydrogenchloride; palladium 10% on activated carbon; water; hydrogen / methanol / 24 h / 20 °C / 760.05 Torr 3: triethylamine / dichloromethane / 0 - 20 °C / Inert atmosphere 4: sodiumsulfide nonahydrate / ethanol / 12 h / Inert atmosphere; Reflux 5: 2,3-dicyano-5,6-dichloro-p-benzoquinone / chlorobenzene / 9 h / Inert atmosphere; Reflux View Scheme |
(2R*,3S*)-2,3-bis(benzyloxymethyl)-1,4-dioxane
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: hydrogenchloride; palladium 10% on activated carbon; water; hydrogen / methanol / 24 h / 20 °C / 760.05 Torr 2: triethylamine / dichloromethane / 0 - 20 °C / Inert atmosphere 3: sodiumsulfide nonahydrate / ethanol / 12 h / Inert atmosphere; Reflux 4: 2,3-dicyano-5,6-dichloro-p-benzoquinone / chlorobenzene / 9 h / Inert atmosphere; Reflux View Scheme |
(2R*,3S*)-2,3-bis(hydroxymethyl)-1,4-dioxane
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: triethylamine / dichloromethane / 0 - 20 °C / Inert atmosphere 2: sodiumsulfide nonahydrate / ethanol / 12 h / Inert atmosphere; Reflux 3: 2,3-dicyano-5,6-dichloro-p-benzoquinone / chlorobenzene / 9 h / Inert atmosphere; Reflux View Scheme |
(2R*,3S*)-2,3-bis(methanesulfonyloxymethyl)-1,4-dioxane
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodiumsulfide nonahydrate / ethanol / 12 h / Inert atmosphere; Reflux 2: 2,3-dicyano-5,6-dichloro-p-benzoquinone / chlorobenzene / 9 h / Inert atmosphere; Reflux View Scheme |
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: potassium hydroxide / ethanol / 6 h / Inert atmosphere; Reflux 2: hydrogenchloride; palladium 10% on activated carbon; water; hydrogen / methanol / 4 h / 20 °C / 760.05 Torr 3: triethylamine / dichloromethane / 5.5 h / 0 °C / Inert atmosphere 4: sodiumsulfide nonahydrate / N,N-dimethyl-formamide / 17 h / 50 °C / Inert atmosphere 5: 2,3-dicyano-5,6-dichloro-p-benzoquinone / chlorobenzene / 6 h / 80 °C / Inert atmosphere View Scheme |
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: hydrogenchloride; palladium 10% on activated carbon; water; hydrogen / methanol / 4 h / 20 °C / 760.05 Torr 2: triethylamine / dichloromethane / 5.5 h / 0 °C / Inert atmosphere 3: sodiumsulfide nonahydrate / N,N-dimethyl-formamide / 17 h / 50 °C / Inert atmosphere 4: 2,3-dicyano-5,6-dichloro-p-benzoquinone / chlorobenzene / 6 h / 80 °C / Inert atmosphere View Scheme |
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: triethylamine / dichloromethane / 5.5 h / 0 °C / Inert atmosphere 2: sodiumsulfide nonahydrate / N,N-dimethyl-formamide / 17 h / 50 °C / Inert atmosphere 3: 2,3-dicyano-5,6-dichloro-p-benzoquinone / chlorobenzene / 6 h / 80 °C / Inert atmosphere View Scheme |
2,3-dimethoxythiophene
ethylene glycol
C
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With [(1S)-7,7-dimethyl-2-oxobicyclo[2.2.1]hept-1-yl]methanesulfonic acid In methanol; toluene at 100℃; for 1h; Reagent/catalyst; Inert atmosphere; | A 19.3 %Chromat. B 12.84 %Chromat. C 56.29 %Chromat. |
With 2-aminonaphthalenesulfonic acid In methanol; toluene at 100℃; for 3h; Reagent/catalyst; Inert atmosphere; | A 7.3 %Chromat. B 11.78 %Chromat. C 70.74 %Chromat. |
2,3-dimethoxythiophene
ethylene glycol
B
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With para-dodecylbenzenesulfonic acid In methanol; toluene at 100℃; for 1h; Reagent/catalyst; Inert atmosphere; | A 13.67 %Chromat. B 79.08 %Chromat. |
2,3-dimethoxythiophene
ethylene glycol
B
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With naphthalene-2-sulfonate In methanol; toluene at 100℃; for 3h; Inert atmosphere; | A 14.42 %Chromat. B 78.58 %Chromat. |
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With copper oxide nanoparticles coated on Ni-Cr alloy In N,N-dimethyl-formamide at 110℃; for 2.25h; Temperature; |
N,N-dimethyl-formamide
3,4-(ethylenedioxy)thiophene
3,4-ethylenedioxythiophene-2-carboxaldehyde
Conditions | Yield |
---|---|
With trichlorophosphate at -10 - 20℃; for 1.25h; | 100% |
With n-butyllithium In tetrahydrofuran at -78 - 20℃; Formylation; | 95% |
With trichlorophosphate at 20℃; Vilsmeier-Haack Formylation; Cooling with ice; | 95% |
3,4-(ethylenedioxy)thiophene
5,7-dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine
Conditions | Yield |
---|---|
With N-Bromosuccinimide; acetic acid In tetrahydrofuran at 20℃; for 2h; | 100% |
With N-Bromosuccinimide In N,N-dimethyl-formamide at 0 - 20℃; for 2h; | 95% |
With N-Bromosuccinimide In N,N-dimethyl-formamide at -15℃; for 1h; | 91% |
3,4-(ethylenedioxy)thiophene
3,4-ethylenedioxythiophene-2-carboxaldehyde
Conditions | Yield |
---|---|
With N,N-dimethyl-formamide; trichlorophosphate at -10 - 20℃; Vilsmeier formylation; | 100% |
3,4-(ethylenedioxy)thiophene
2,2'-bis(3,4-ethylenedioxythiophene)
Conditions | Yield |
---|---|
Stage #1: 3,4-(ethylenedioxy)thiophene With n-butyllithium; N,N,N,N,-tetramethylethylenediamine In tetrahydrofuran at -10℃; for 0.5h; Metallation; Stage #2: With iron(III)-acetylacetonate In tetrahydrofuran for 6h; Oxidation; Heating; | 99% |
With n-butyllithium; copper dichloride In tetrahydrofuran; hexane at -78 - 0℃; for 12h; Dimerization; | 84% |
With n-butyllithium; copper dichloride In tetrahydrofuran at -80 - -40℃; | 76% |
3,4-(ethylenedioxy)thiophene
methyl iodide
Conditions | Yield |
---|---|
Stage #1: 3,4-(ethylenedioxy)thiophene In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: methyl iodide In tetrahydrofuran; hexane at -78 - 20℃; | 99% |
Stage #1: 3,4-(ethylenedioxy)thiophene With 2,2,6,6-tetramethyl-piperidine; tert.-butyl lithium In tetrahydrofuran; pentane for 1.5h; Sealed tube; Inert atmosphere; Cooling with acetone-dry ice; Stage #2: methyl iodide In tetrahydrofuran; pentane | 97% |
triethylsilane
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With (1,5-cyclooctadiene)(methoxy)iridium(I) dimer; 3,4,7,8-Tetramethyl-o-phenanthrolin; norbornene In di-isopropyl ether at 80℃; for 22h; Inert atmosphere; | 99% |
n-butyllithium
tributyltin chloride
3,4-(ethylenedioxy)thiophene
tributyl(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-stannane
Conditions | Yield |
---|---|
In tetrahydrofuran; hexane | 98% |
bromobenzene
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With palladium diacetate; caesium carbonate; tri(m-tolyl)phosphine In toluene at 110℃; for 24h; Inert atmosphere; | 98% |
With palladium diacetate; caesium carbonate; triphenylphosphine In toluene at 110℃; for 24h; Inert atmosphere; | 75% |
dimethyl(2-(((tetrahydro-2H-pyran-2-yl)oxy)methyl)phenyl)silane
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With norborn-2-ene; (1,5-cyclooctadiene)(methoxy)iridium(I) dimer; 3,4,7,8-Tetramethyl-o-phenanthrolin In di-isopropyl ether at 80℃; for 5h; Inert atmosphere; Sealed tube; | 98% |
3-Bromopyridine
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With {N,N-(1,2-diphenylethane-1,2-diylidene)bis(2-benzhydryl-4,6-dimthylaniline)}dichloropalladium; potassium carbonate; Trimethylacetic acid In N,N-dimethyl acetamide at 130℃; for 12h; Catalytic behavior; | 98% |
4-bromoisoquinoline
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With {N,N-(1,2-diphenylethane-1,2-diylidene)bis(2-benzhydryl-4,6-dimthylaniline)}dichloropalladium; potassium carbonate; Trimethylacetic acid In N,N-dimethyl acetamide at 130℃; for 12h; Catalytic behavior; | 97% |
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With potassium carbonate; silver carbonate; johnphos In dimethyl sulfoxide at 25℃; for 12h; | 97% |
With deuteromethanol; silver carbonate; johnphos at 50 - 80℃; | 91% |
3,4-(ethylenedioxy)thiophene
4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane
2-(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-4,4,5,5-tetramethyl-2-thiophen-2-yl-1,3,2-dioxaborolane
Conditions | Yield |
---|---|
With 1-(difluoromethoxyborato)-2-TMP-benzene In chloroform at 80℃; for 16h; Inert atmosphere; | 96% |
With 1-(2-borylphenyl)-2,2,6,6-tetramethylpiperidine dimer In chloroform at 80℃; for 16h; | 87% |
With 1-(trifluoroborato)-2-TMP-benzene In neat (no solvent) at 80℃; for 6h; Reagent/catalyst; Inert atmosphere; | 85% |
With 1-(trifluoroborato)-2-TMP-benzene In neat (no solvent) at 80℃; for 6h; Inert atmosphere; regioselective reaction; | 85% |
With poly((2-(piperidin-1-ium-1-yl)-5-vinylphenyl)trifluoroborate) In neat (no solvent) at 90℃; for 16h; Reagent/catalyst; Inert atmosphere; Glovebox; Sealed tube; |
2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
3,4-(ethylenedioxy)thiophene
2-(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-4,4,5,5-tetramethyl-2-thiophen-2-yl-1,3,2-dioxaborolane
Conditions | Yield |
---|---|
Stage #1: 3,4-(ethylenedioxy)thiophene With n-butyllithium Stage #2: 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | 95% |
Stage #1: 3,4-(ethylenedioxy)thiophene With n-butyllithium In tetrahydrofuran at -78 - 0℃; for 0.333333h; Inert atmosphere; Stage #2: 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane In tetrahydrofuran at -78 - 20℃; for 17h; Irradiation; | 78% |
With n-butyllithium In tetrahydrofuran at -78 - 20℃; for 6h; Substitution; | 71% |
mercury(II) diacetate
3,4-(ethylenedioxy)thiophene
2,5-diacetoxymercuro-3,4-ethylenedioxythiophene
Conditions | Yield |
---|---|
In acetic acid to soln. 3,4-ethylenedioxythiophene in acetic acid soln. Hg(OAc)2 in acetic acid was added dropwise and stirred overnight; ppt. was filtered, washed with MeOH and et2O and dried in vacuo; elem. anal.; | 95% |
[hydroxy(tosyloxy)iodo]benzene
3,4-(ethylenedioxy)thiophene
(2,3-dihydro-thieno[3,4-b][1,4]dioxin-5-yl)(phenyl)iodonium tosylate
Conditions | Yield |
---|---|
In 2,2,2-trifluoroethanol at 20℃; for 3h; | 94% |
Conditions | Yield |
---|---|
Stage #1: 3,4-(ethylenedioxy)thiophene With n-butyllithium In 1,2-dimethoxyethane Stage #2: With copper(l) cyanide Stage #3: C10H18BrClSi at -78 - -30℃; | 94% |
3,4-(ethylenedioxy)thiophene
5,7-diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine
Conditions | Yield |
---|---|
With iodine monochloride-pyridine In dichloromethane at 20℃; for 1h; | 93% |
With N-iodo-succinimide; acetic acid In tetrahydrofuran at 20℃; | 88% |
With N-iodo-succinimide; toluene-4-sulfonic acid In ethanol at 25℃; for 0.166667h; Green chemistry; regioselective reaction; | 87% |
para-bromotoluene
3,4-(ethylenedioxy)thiophene
A
5-(p-tolyl)-2,3-dihydrothieno[3,4-b][1,4]dioxine
B
2,3-dihydro-5,7-bis(4-methylphenyl)thieno[3,4-b][1,4]dioxine
Conditions | Yield |
---|---|
With C40H36N2O2Pd(2+)*2C2H4O2; potassium carbonate; Trimethylacetic acid In N,N-dimethyl acetamide at 100℃; for 24h; Inert atmosphere; Schlenk technique; regioselective reaction; | A 7% B 93% |
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With N-Bromosuccinimide; acetic acid In tetrahydrofuran at 0 - 20℃; for 2h; Schlenk technique; | 92% |
With N-Bromosuccinimide In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere; Darkness; | 52% |
With N-Bromosuccinimide In N,N-dimethyl-formamide at 20℃; for 1h; Bromination; |
Ethyl 4-bromobenzoate
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With potassium acetate; tetra(n-tert-butyl)ammonium bromide; palladium diacetate In N,N-dimethyl-formamide at 80℃; for 1h; | 92% |
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
With lithium diisopropyl amide In tetrahydrofuran at 0 - 20℃; | 92% |
3,4-(ethylenedioxy)thiophene
4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane
Conditions | Yield |
---|---|
With 1-(2-borylphenyl)-2,2,6,6-tetramethylpiperidine dimer In chloroform at 80℃; for 16h; | 92% |
With 1-(2-borylphenyl)-2,2,6,6-tetramethylpiperidine dimer In chloroform at 80℃; for 16h; Sealed tube; Microwave irradiation; Glovebox; Inert atmosphere; | 92% |
With 1-(trifluoroborato)-2-TMP-benzene In neat (no solvent) at 80℃; for 24h; Inert atmosphere; regioselective reaction; | 91% |
Di-t-butyl ketone
3,4-(ethylenedioxy)thiophene
Conditions | Yield |
---|---|
Stage #1: 3,4-(ethylenedioxy)thiophene With n-butyllithium; N,N,N,N,-tetramethylethylenediamine In diethyl ether; hexane at 20℃; for 0.5h; Stage #2: Di-t-butyl ketone In diethyl ether at 20℃; for 0.5h; Further stages.; | 91% |
Conditions | Yield |
---|---|
With acetic acid In water at 100℃; for 4h; Mannich reaction; | 91% |
3,4-(ethylenedioxy)thiophene
[(difluoroiodomethyl)sulfonyl]benzene
C13H10F2O4S2
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate; tris(bipyridine)ruthenium(II) dichloride hexahydrate In dichloromethane at 40℃; for 48h; Sealed tube; Inert atmosphere; Irradiation; | 91% |
3,4-(ethylenedioxy)thiophene
5-iodo-2,3-dihydrothieno[3,4-b][1,4]dioxine
Conditions | Yield |
---|---|
Stage #1: 3,4-(ethylenedioxy)thiophene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: With iodine In tetrahydrofuran; hexane at 20℃; for 1h; Further stages.; | 90% |
With potassium dichloroiodate monohydrate In water at 25℃; for 1h; | 63% |
With n-butyllithium; iodine In tetrahydrofuran |
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