Welcome to LookChem.com Sign In|Join Free
  • or

126213-50-1

Post Buying Request

126213-50-1 Suppliers

Recommended suppliersmore

Product FOB Price Min.Order Supply Ability Supplier
3,4-Ethylenedioxythiophene suppliers in China
Cas No: 126213-50-1
USD $ 12.0-12.0 / Gram 100 Gram 1-10 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
3,4-Ethylenedioxythiophene cas 126213-50-1 EDOT
Cas No: 126213-50-1
USD $ 90.0-100.0 / Kilogram 1 Kilogram 5000 Metric Ton/Year Shanghai Sunwise Chemical Co., Ltd Contact Supplier
3,4-Ethylenedioxythiophene
Cas No: 126213-50-1
No Data No Data Metric Ton/Day Eastar Chemical Corporation Contact Supplier
3,4-Ethylenedioxythiophene
Cas No: 126213-50-1
USD $ 5.0-5.0 / Gram 1 Gram 100 Metric Ton/Year Jinan Finer Chemical Co., Ltd Contact Supplier
High quality 99.7%min 3,4-Ethylenedioxythiophene (EDOT)
Cas No: 126213-50-1
No Data 100 Gram 10 Metric Ton/Month Wuhan Kemi-Works Chemical Co., Ltd Contact Supplier
EDOT 99.7%
Cas No: 126213-50-1
USD $ 1.0-1.0 / Kilogram 25 Kilogram 2000 Kilogram/Week Henan Sinotech Import&Export Corporation Contact Supplier
3,4-ethylenedioxythiophene(EDOT)
Cas No: 126213-50-1
No Data 1 Gram 3-5 Metric Ton/Month Hangzhou Yierdechem Co. Ltd Contact Supplier
3,4-Ethylenedioxythiophene 126213-50-1 factory in China with excellent service
Cas No: 126213-50-1
No Data 1 Kilogram Metric Ton/Day Hangzhou Dingyan Chem Co., Ltd Contact Supplier
High quality 3,4-Ethylenedioxythiophene supplier in China
Cas No: 126213-50-1
No Data 1 Metric Ton 30 Metric Ton/Month Simagchem Corporation Contact Supplier
126213-50-1 Thieno[3,4-b]-1,4-dioxin,2,3-dihydro-
Cas No: 126213-50-1
USD $ 2.0-2.0 / Kilogram 1 Kilogram 100 Metric Ton/Year Hebei yanxi chemical co.,LTD. Contact Supplier

126213-50-1 Usage

Chemical Properties

Light yellow liquid
InChI:InChI=1/C6H6O2S/c1-2-8-6-4-9-3-5(6)7-1/h3-4H,1-2H2

126213-50-1 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Aldrich (483028)  3,4-Ethylenedioxythiophene  97% 126213-50-1 483028-10G 927.81CNY Detail
Alfa Aesar (H56533)  3,4-Ethylenedioxythiophene, 97%    126213-50-1 25g 1426.0CNY Detail
Alfa Aesar (H56533)  3,4-Ethylenedioxythiophene, 97%    126213-50-1 5g 384.0CNY Detail
TCI America (E0741)  3,4-Ethylenedioxythiophene  >98.0%(GC) 126213-50-1 25g 690.00CNY Detail
TCI America (E0741)  3,4-Ethylenedioxythiophene  >98.0%(GC) 126213-50-1 5g 230.00CNY Detail

126213-50-1SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name 3,4-Ethylenedioxythiophene

1.2 Other means of identification

Product number -
Other names 2,3-Dihydrothieno[3,4-b][1,4]dioxine

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:126213-50-1 SDS

126213-50-1Synthetic route

3,4-ethylenedioxythiophene-2,5-dicarboxyllic acid
18361-03-0

3,4-ethylenedioxythiophene-2,5-dicarboxyllic acid

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
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
154934-13-1

2,3-dihydro-thieno[3,4-b][1,4]dioxine-5,7-dicarboxylic acid diethyl ester

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
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
2,3-dimethoxythiophene
51792-34-8

2,3-dimethoxythiophene

ethylene glycol
107-21-1

ethylene glycol

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
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%
ethylene glycol
107-21-1

ethylene glycol

3,4-diethoxythiophene
122721-91-9

3,4-diethoxythiophene

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
With toluene-4-sulfonic acid; hydroquinone In o-xylene at 137 - 142℃; for 4h; Reagent/catalyst; Inert atmosphere;84%
3,4-ethylenedioxythiophene; 3,4-dimethoxythiophene

3,4-ethylenedioxythiophene; 3,4-dimethoxythiophene

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
Purification / work up;76%
2,5-bis(trimethylsilyl)-3,4-ethylenedioxythiophene
195602-16-5

2,5-bis(trimethylsilyl)-3,4-ethylenedioxythiophene

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride70%
diethinyl glycol
101537-27-3

diethinyl glycol

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
With 2,2'-azobis(isobutyronitrile); tiolacetic acid In toluene at 80℃; for 5h; Inert atmosphere; Schlenk technique; Green chemistry;48%
3,4-dibromothiophene
3141-26-2

3,4-dibromothiophene

ethylene glycol
107-21-1

ethylene glycol

A

3-bromo-4-(1-hydroxyethyl)oxythiophene

3-bromo-4-(1-hydroxyethyl)oxythiophene

B

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
With potassium phosphate; copper(l) iodide; 8-quinolinol In N,N-dimethyl-formamide at 120℃; for 24h; Reagent/catalyst; Solvent;A 43%
B 15%
2,3-dimethoxy-2,3-dimethyl-1,4-dioxane

2,3-dimethoxy-2,3-dimethyl-1,4-dioxane

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
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
1271145-38-0

(3S*,4R*)-tetrahydro-3,4-ethylenedioxythiophene

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In chlorobenzene for 9h; Inert atmosphere; Reflux;23%
(3S*,4S*)-tetrahydro-3,4-ethylenedioxythiophene

(3S*,4S*)-tetrahydro-3,4-ethylenedioxythiophene

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In chlorobenzene at 80℃; for 6h; Inert atmosphere;21%
(2R*,3R*)-2,3-bis(methanesulfonyloxymethyl)-1,4-dioxane

(2R*,3R*)-2,3-bis(methanesulfonyloxymethyl)-1,4-dioxane

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
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
(2R*,3S*)-3-(2-bromoethoxy)-1,4-bis(benzyloxy)butan-2-ol

(2R*,3S*)-3-(2-bromoethoxy)-1,4-bis(benzyloxy)butan-2-ol

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
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
1271145-22-2

(2R*,3S*)-2,3-bis(benzyloxymethyl)-1,4-dioxane

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
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
876607-67-9

(2R*,3S*)-2,3-bis(hydroxymethyl)-1,4-dioxane

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
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
1271330-69-8

(2R*,3S*)-2,3-bis(methanesulfonyloxymethyl)-1,4-dioxane

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
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
(2R*,3R*)-3-(2-bromoethoxy)-1,4-bis(benzyloxy)butan-2-ol

(2R*,3R*)-3-(2-bromoethoxy)-1,4-bis(benzyloxy)butan-2-ol

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
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
(2R*,3R*)-2,3-bis(benzyloxymethyl)-1,4-dioxane

(2R*,3R*)-2,3-bis(benzyloxymethyl)-1,4-dioxane

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
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
(2R*,3R*)-2,3-bis(hydroxymethyl)-1,4-dioxane

(2R*,3R*)-2,3-bis(hydroxymethyl)-1,4-dioxane

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
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
51792-34-8

2,3-dimethoxythiophene

ethylene glycol
107-21-1

ethylene glycol

A

C7H10O3S

C7H10O3S

B

C8H12O4S

C8H12O4S

C

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
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
51792-34-8

2,3-dimethoxythiophene

ethylene glycol
107-21-1

ethylene glycol

A

C7H10O3S

C7H10O3S

B

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
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
51792-34-8

2,3-dimethoxythiophene

ethylene glycol
107-21-1

ethylene glycol

A

C8H12O4S

C8H12O4S

B

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
With naphthalene-2-sulfonate In methanol; toluene at 100℃; for 3h; Inert atmosphere;A 14.42 %Chromat.
B 78.58 %Chromat.
thieno[3,4-b]-1,4-dioxine-5,7-dicarboxylic acid

thieno[3,4-b]-1,4-dioxine-5,7-dicarboxylic acid

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

Conditions
ConditionsYield
With copper oxide nanoparticles coated on Ni-Cr alloy In N,N-dimethyl-formamide at 110℃; for 2.25h; Temperature;
N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

3,4-ethylenedioxythiophene-2-carboxaldehyde
204905-77-1

3,4-ethylenedioxythiophene-2-carboxaldehyde

Conditions
ConditionsYield
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
126213-50-1

3,4-(ethylenedioxy)thiophene

5,7-dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine
174508-31-7

5,7-dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine

Conditions
ConditionsYield
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
126213-50-1

3,4-(ethylenedioxy)thiophene

3,4-ethylenedioxythiophene-2-carboxaldehyde
204905-77-1

3,4-ethylenedioxythiophene-2-carboxaldehyde

Conditions
ConditionsYield
With N,N-dimethyl-formamide; trichlorophosphate at -10 - 20℃; Vilsmeier formylation;100%
3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

2,2'-bis(3,4-ethylenedioxythiophene)
195602-17-6

2,2'-bis(3,4-ethylenedioxythiophene)

Conditions
ConditionsYield
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
126213-50-1

3,4-(ethylenedioxy)thiophene

methyl iodide
74-88-4

methyl iodide

5-methyl-2,3-dihydrothieno[3,4-b][1,4]dioxine

5-methyl-2,3-dihydrothieno[3,4-b][1,4]dioxine

Conditions
ConditionsYield
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
617-86-7

triethylsilane

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

2,5-bis(triethylsilyl)-3,4-ethylenedioxythiophene

2,5-bis(triethylsilyl)-3,4-ethylenedioxythiophene

Conditions
ConditionsYield
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
109-72-8, 29786-93-4

n-butyllithium

tributyltin chloride
1461-22-9

tributyltin chloride

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

tributyl(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-stannane
175922-79-9

tributyl(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-stannane

Conditions
ConditionsYield
In tetrahydrofuran; hexane98%
bromobenzene
108-86-1

bromobenzene

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

5,7-diphenyl-2,3-dihydrothieno[3,4-b][1,4]-dioxine

5,7-diphenyl-2,3-dihydrothieno[3,4-b][1,4]-dioxine

Conditions
ConditionsYield
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
853955-58-5

dimethyl(2-(((tetrahydro-2H-pyran-2-yl)oxy)methyl)phenyl)silane

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

2,5-bis[2-{(2-tetrahydropyranyloxy)methyl}phenyldimethylsilyl]-3,4-ethylenedioxythiophene

2,5-bis[2-{(2-tetrahydropyranyloxy)methyl}phenyldimethylsilyl]-3,4-ethylenedioxythiophene

Conditions
ConditionsYield
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
626-55-1

3-Bromopyridine

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

5,7-di(pyridin-3-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxine

5,7-di(pyridin-3-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxine

Conditions
ConditionsYield
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
1532-97-4

4-bromoisoquinoline

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

5,7-di(isoquinolin-4-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxine

5,7-di(isoquinolin-4-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxine

Conditions
ConditionsYield
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
126213-50-1

3,4-(ethylenedioxy)thiophene

C6H4(2)H2O2S

C6H4(2)H2O2S

Conditions
ConditionsYield
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
126213-50-1

3,4-(ethylenedioxy)thiophene

4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane
25015-63-8

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
250726-93-3

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
ConditionsYield
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
61676-62-8

2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

3,4-(ethylenedioxy)thiophene
126213-50-1

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
250726-93-3

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
ConditionsYield
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
1600-27-7

mercury(II) diacetate

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

2,5-diacetoxymercuro-3,4-ethylenedioxythiophene
640737-73-1

2,5-diacetoxymercuro-3,4-ethylenedioxythiophene

Conditions
ConditionsYield
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
27126-76-7

[hydroxy(tosyloxy)iodo]benzene

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

(2,3-dihydro-thieno[3,4-b][1,4]dioxin-5-yl)(phenyl)iodonium tosylate
1222887-22-0

(2,3-dihydro-thieno[3,4-b][1,4]dioxin-5-yl)(phenyl)iodonium tosylate

Conditions
ConditionsYield
In 2,2,2-trifluoroethanol at 20℃; for 3h;94%
C10H18BrClSi

C10H18BrClSi

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

C16H23ClO2SSi

C16H23ClO2SSi

Conditions
ConditionsYield
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
126213-50-1

3,4-(ethylenedioxy)thiophene

5,7-diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine
640737-72-0

5,7-diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine

Conditions
ConditionsYield
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
106-38-7

para-bromotoluene

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

A

5-(p-tolyl)-2,3-dihydrothieno[3,4-b][1,4]dioxine
925674-57-3

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
1579939-66-4

2,3-dihydro-5,7-bis(4-methylphenyl)thieno[3,4-b][1,4]dioxine

Conditions
ConditionsYield
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
126213-50-1

3,4-(ethylenedioxy)thiophene

5-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine

5-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine

Conditions
ConditionsYield
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
5798-75-4

Ethyl 4-bromobenzoate

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

2,5-di(4-ethoxycarbonylphenyl)-3,4-ethylenedioxythiophene

2,5-di(4-ethoxycarbonylphenyl)-3,4-ethylenedioxythiophene

Conditions
ConditionsYield
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
126213-50-1

3,4-(ethylenedioxy)thiophene

5,7-ditributyltin-2,3-dihydrothieno[3,4-b][1,4]dioxin

5,7-ditributyltin-2,3-dihydrothieno[3,4-b][1,4]dioxin

Conditions
ConditionsYield
With lithium diisopropyl amide In tetrahydrofuran at 0 - 20℃;92%
3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane
25015-63-8

4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane

2,5-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-ethylenedioxythiophene

2,5-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-ethylenedioxythiophene

Conditions
ConditionsYield
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
815-24-7

Di-t-butyl ketone

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

3,4-ethylenedioxy-2-[3-(2,2,4,4-tetramethylpentan-3-ol)]thiophene

3,4-ethylenedioxy-2-[3-(2,2,4,4-tetramethylpentan-3-ol)]thiophene

Conditions
ConditionsYield
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%
morpholine
110-91-8

morpholine

formaldehyd
50-00-0

formaldehyd

3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

2,5-bis(morpholin-4-ylmethyl)-2,3-dihydrothieno[3,4-b][1,4]dioxin

2,5-bis(morpholin-4-ylmethyl)-2,3-dihydrothieno[3,4-b][1,4]dioxin

Conditions
ConditionsYield
With acetic acid In water at 100℃; for 4h; Mannich reaction;91%
3,4-(ethylenedioxy)thiophene
126213-50-1

3,4-(ethylenedioxy)thiophene

[(difluoroiodomethyl)sulfonyl]benzene
802919-90-0

[(difluoroiodomethyl)sulfonyl]benzene

C13H10F2O4S2
1609470-37-2

C13H10F2O4S2

Conditions
ConditionsYield
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
126213-50-1

3,4-(ethylenedioxy)thiophene

5-iodo-2,3-dihydrothieno[3,4-b][1,4]dioxine
219621-78-0

5-iodo-2,3-dihydrothieno[3,4-b][1,4]dioxine

Conditions
ConditionsYield
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

Please post your buying leads,so that our qualified suppliers will soon contact you!

*Required Fields