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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

2,3-DIHEXYLTHIENO[3,4-B]PYRAZINE

Cas:146058-82-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo 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

Thieno[3,4-b]pyrazine, 2,3-dihexyl-

Cas:146058-82-4

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

Thieno[3,4-b]pyrazine, 2,3-dihexyl-

Cas:146058-82-4

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Xi`an Eastling Biotech Co., Ltd.

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou

Thieno[3,4-b]pyrazine, 2,3-dihexyl-

Cas:146058-82-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

factory?direct?sale Application:healing drugs

Thieno[3,4-b]pyrazine, 2,3-dihexyl-

Cas:146058-82-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SAGECHEM LIMITED

146058-82-4 Application:intermediate

Thieno[3,4-b]pyrazine, 2,3-dihexyl-

Cas:146058-82-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

suzhou BetterBioChem Co., Ltd.

Betterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in

2,3-DIHEXYLTHIENO[3,4-B]PYRAZINE

Cas:146058-82-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI SUIFU CHEMICAL TECHNOLOGY CO.LTD

we are manufacturer,we are an emerging chemical service company to provide a series of small-packaged catalyst combo (combination) ?and various chiral catalysts for the biotech and pharmaceutical industries as well as schools and research institutes.

2,3-Dihexylthieno[3,4-b]pyrazine

Cas:146058-82-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry
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Synthetic route

thiophene-3,4-diamine
78637-85-1

thiophene-3,4-diamine

tetradecane-7,8-dione
6305-47-1

tetradecane-7,8-dione

2,3-dihexylthieno<3,4-b>pyrazine
146058-82-4

2,3-dihexylthieno<3,4-b>pyrazine

Conditions
ConditionsYield
In ethanol at 20℃; for 3h;73%
In methanol; diethyl ether Heating;
1-bromo-hexane
111-25-1

1-bromo-hexane

2,3-dihexylthieno<3,4-b>pyrazine
146058-82-4

2,3-dihexylthieno<3,4-b>pyrazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: magnesium / tetrahydrofuran / -78 °C
1.2: CuBr; LiBr / tetrahydrofuran / -100 - -75 °C
1.3: 77 percent / tetrahydrofuran / 1 h / -95 - -90 °C
2.1: 73 percent / ethanol / 3 h / 20 °C
View Scheme
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

2,3-dihexylthieno<3,4-b>pyrazine
146058-82-4

2,3-dihexylthieno<3,4-b>pyrazine

2,3-dihexyl-5-(trimethylsilyl)thieno[3,4-b]pyrazine
1586784-63-5

2,3-dihexyl-5-(trimethylsilyl)thieno[3,4-b]pyrazine

Conditions
ConditionsYield
Stage #1: 2,3-dihexylthieno<3,4-b>pyrazine With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere;
Stage #2: chloro-trimethyl-silane In tetrahydrofuran; hexane at -78 - 20℃; for 3.5h; Inert atmosphere;		80%
2,3-dihexylthieno<3,4-b>pyrazine
146058-82-4

2,3-dihexylthieno<3,4-b>pyrazine

5,7-dibromo-2,3-dihexylthieno[3,4-b]pyrazine
320365-70-6

5,7-dibromo-2,3-dihexylthieno[3,4-b]pyrazine

Conditions
ConditionsYield
With N-Bromosuccinimide In N,N-dimethyl-formamide80%
2,3-dihexylthieno<3,4-b>pyrazine
146058-82-4

2,3-dihexylthieno<3,4-b>pyrazine

5-bromo-2,3-dihexyl-thieno[3,4-b]pyrazine

5-bromo-2,3-dihexyl-thieno[3,4-b]pyrazine

Conditions
ConditionsYield
With N-Bromosuccinimide In N,N-dimethyl-formamide at 0℃; for 3.5h;60%
2,3-dihexylthieno<3,4-b>pyrazine
146058-82-4

2,3-dihexylthieno<3,4-b>pyrazine

poly(2,3-dihexylthieno[3,4-b]pyrazine), product of electrochemical polymerization; monomer(s): 2,3-dihexylthieno[3,4-b]pyrazine

poly(2,3-dihexylthieno[3,4-b]pyrazine), product of electrochemical polymerization; monomer(s): 2,3-dihexylthieno[3,4-b]pyrazine

Conditions
ConditionsYield
Electrochemical reaction;
2,3-dihexylthieno<3,4-b>pyrazine
146058-82-4

2,3-dihexylthieno<3,4-b>pyrazine

poly(2,3-dihexylthieno[3,4-b]pyrazine), obtained by oxidative polymerization induced with FeCl3; monomer(s): 2,3-dihexylthieno[3,4-b]pyrazine

poly(2,3-dihexylthieno[3,4-b]pyrazine), obtained by oxidative polymerization induced with FeCl3; monomer(s): 2,3-dihexylthieno[3,4-b]pyrazine

Conditions
ConditionsYield
With iron(III) chloride
2,3-dihexylthieno<3,4-b>pyrazine
146058-82-4

2,3-dihexylthieno<3,4-b>pyrazine

5-(2-decyloxymethyl-2,3-dihydro-thieno[3,4-b][1,4]dioxin-5-yl)-2,3-dihexyl-thieno[3,4-b]pyrazine

5-(2-decyloxymethyl-2,3-dihydro-thieno[3,4-b][1,4]dioxin-5-yl)-2,3-dihexyl-thieno[3,4-b]pyrazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 60 percent / NBS / dimethylformamide / 3.5 h / 0 °C
2: PdCl2(PPh3)2 / toluene / 16 h / 90 °C
View Scheme
2,3-dihexylthieno<3,4-b>pyrazine
146058-82-4

2,3-dihexylthieno<3,4-b>pyrazine

5-(3-decyloxymethyl-2,3-dihydro-thieno[3,4-b][1,4]dioxin-5-yl)-2,3-dihexyl-thieno[3,4-b]pyrazine

5-(3-decyloxymethyl-2,3-dihydro-thieno[3,4-b][1,4]dioxin-5-yl)-2,3-dihexyl-thieno[3,4-b]pyrazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 60 percent / NBS / dimethylformamide / 3.5 h / 0 °C
2: PdCl2(PPh3)2 / toluene / 16 h / 90 °C
View Scheme
2,3-dihexylthieno<3,4-b>pyrazine
146058-82-4

2,3-dihexylthieno<3,4-b>pyrazine

2,2',3,3'-tetrahexyl-7,70-bis(trimethylsilyl)-5,5'-bis(thieno[3,4-b]pyrazine)
1586784-66-8

2,2',3,3'-tetrahexyl-7,70-bis(trimethylsilyl)-5,5'-bis(thieno[3,4-b]pyrazine)

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere
1.2: 3.5 h / -78 - 20 °C / Inert atmosphere
2.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere
2.2: 2.5 h / -78 - 20 °C / Inert atmosphere
2.3: 20 h / Reflux; Inert atmosphere
View Scheme
Multi-step reaction with 3 steps
1.1: N-Bromosuccinimide / N,N-dimethyl-formamide
2.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere
2.2: 3.5 h / -78 - 20 °C / Inert atmosphere
3.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere
3.2: 2.5 h / -78 - 20 °C / Inert atmosphere
3.3: 20 h / Reflux; Inert atmosphere
View Scheme
2,3-dihexylthieno<3,4-b>pyrazine
146058-82-4

2,3-dihexylthieno<3,4-b>pyrazine

2,2',2'',3,3',3''-hexahexyl-7,7''-bis(trimethylsilyl)-5,5':7',5''-ter(thieno[3,4-b]pyrazine)
1586784-67-9

2,2',2'',3,3',3''-hexahexyl-7,7''-bis(trimethylsilyl)-5,5':7',5''-ter(thieno[3,4-b]pyrazine)

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere
1.2: 3.5 h / -78 - 20 °C / Inert atmosphere
2.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere
2.2: 2.5 h / -78 - 20 °C / Inert atmosphere
2.3: 20 h / Reflux; Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1.1: N-Bromosuccinimide / N,N-dimethyl-formamide
2.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere
2.2: 2.5 h / -78 - 20 °C / Inert atmosphere
2.3: 20 h / Reflux; Inert atmosphere
View Scheme
2,3-dihexylthieno<3,4-b>pyrazine
146058-82-4

2,3-dihexylthieno<3,4-b>pyrazine

5,7-bis(3,4-ethylenedioxythiophen-2-yl)-2,3-dihexylthieno[3,4-b]pyrazine
866547-86-6

5,7-bis(3,4-ethylenedioxythiophen-2-yl)-2,3-dihexylthieno[3,4-b]pyrazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: N-Bromosuccinimide / N,N-dimethyl-formamide
2.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere
2.2: 2.5 h / -78 - 20 °C / Inert atmosphere
2.3: 20 h / Reflux; Inert atmosphere
View Scheme
2,3-dihexylthieno<3,4-b>pyrazine
146058-82-4

2,3-dihexylthieno<3,4-b>pyrazine

5-bromo-2,3-dihexyl-7-(trimethylsilyl)thieno[3,4-b]pyrazine
1586784-62-4

5-bromo-2,3-dihexyl-7-(trimethylsilyl)thieno[3,4-b]pyrazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: N-Bromosuccinimide / N,N-dimethyl-formamide
2.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere
2.2: 3.5 h / -78 - 20 °C / Inert atmosphere
View Scheme

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