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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

Dayang Chem (Hangzhou) Co.,Ltd.

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

5,5'-BIS(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-2,2'-BITHIOPHENE

Cas:239075-02-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. High quality and competitive price: 1) Standard: BP/USP/EP/ enterprise standard 2) All purity ≥99% 3) We are manufacturers and can provide high quality products at factory prices. 2. Fast and safe delivery 1) The package c

2,2'-Bithiophene-5,5'-diboronic acid bis(pinacol) ester CAS:239075-02-6

Cas:239075-02-6

Min.Order:1 Kilogram

FOB Price: $5.0 / 10.0

Type:Trading Company

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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

Manufacturer supply CAS 239075-02-6 with best quality

Cas:239075-02-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

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 present

5,5"-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2"-bithiophene

Cas:239075-02-6

Min.Order:1 Gram

FOB Price: $1364.0

Type:Trading Company

inquiry

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

2,2'-Bithiophene-5,5'-diboronic acid bis(pinacol) ester

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

2,2'-Bithiophene-5,5'-diboronic acid pinacol ester

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

2,2'-Bithiophene-5,5'-diboronic acid bis(pinacol) ester

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

5,5'-Bis(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

2,2'-Bithiophene-5,5'-diboronic acid bis(pinacol) ester

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

2,2'-Bithiophene-5,5'-diboronic acid pinacol ester

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?sale Application:healing drugs

5,5'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

DB BIOTECH CO., LTD

best seller Application:API

2,2'-Bithiophene-5,5'-diboronic acid bis(pinacol) ester

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

239075-02-6

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Terui OP New Material Technology Co., Ltd.

The factory supplies Application:manufacturing supplies

2,2'-Bithiophene-5,5'-diboronicacidbis(pinacol)ester

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Muhuang Technology Co., Ltd

best seller Application:API

2,2'-Bithiophene-5,5'-diboronic acid bis(pinacol) ester

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hunan Russell Chemicals Technology 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:any port in China

2,2'-Bithiophene-5,5'-diboronic acid pinacol ester 239075-02-6

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Scochem Technology Co., Ltd.

High quality suppliers Application:healing drugs

5,5'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

home-produced Application:medicine

2,2'-Bithiophene-5,5'-diboronic acid bis(pinacol) ester

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shenzhen Foris Technology 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:any port in China

2,2'-Bithiophene-5,5'-diboronic acid pinacol ester 239075-02-6

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Order Science & Technology Co., Ltd

factory?direct?sale Application:healing drugs

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

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

2,2'-Bithiophene-5,5'-diboronic acid bis(pinacol) ester

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

5,5'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene

Cas:239075-02-6

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Zhengzhou Kingorgchem Chemical Technology Co., Ltd.

1. Subsidiary of Institute of Chemistry, Henan Academy of Sciences, national research platform;2. About 30 years’ experience in this field since 1983;3. An experienced R&D team consisting of Doctors and Masters;4. Various types of analytical instrume

National Research Platform ISO 9001 239075-02-6

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

nanjing bam biomedical technology co.,ltd

It is composed of professionals with senior industry background and rich market experience. More than 90% of the personnel have chemistry, chemical, pharmaceutical or related professional knowledge. They are all rigorously trained and evaluated, and

2,2'-Bithiophene-5,5'-diboronic acid bis(pinacol) ester

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemical Technology Co.,LTD

1. Production capacity: we have three production base with high-tech production equipment and instruments, equipped with professional production personnel, meet your requirements.2. Quality assurance: we have a first-class testing equipment and testi

2,2'-Bithiophene-5,5'-diboronic acid bis(pinacol) ester

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Other

inquiry

Luminescence Technology Corp.

World-class service, High quality, Low cost and Quick delivery. All made in our plant! Storage:To be stored in cool dry environment Package:1g,5g,10g or Bulk Application:Synthetic Intermediates > Boronic Acids / Boronic Esters

5,5'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene

Cas:239075-02-6

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Pure Chemistry Scientific Inc.

239075-02-6 Application:2,2'-Bithiophene-5,5'-diboronic acid pinacol ester

2,2'-Bithiophene-5,5'-diboronic acid pinacol ester

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Wuhan Chemwish Technology Co., Ltd

High quality Products with prompt delivery Package:based on customer requirement Application:organic intermediates Port:any port of China

2,2’-Bithiophene-5,5’-diboronic acidbis(pinacol) ester

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

NovaChemistry

high purity Application:Drug intermediates Materials intermediates and active molecules

2,2'-bithiophene-5,5'-diboronic acid, bis(pinacol) ester

Cas:239075-02-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

2,2'-Bithiophene
492-97-7

2,2'-Bithiophene

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

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

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
With iridium-bipyridine periodic mesoporous organosilica In cyclohexane at 80℃; for 12h; Inert atmosphere; Schlenk technique; regioselective reaction;99%
2,3-dimethyl-2,3-butane diol
76-09-5

2,3-dimethyl-2,3-butane diol

2,2'-Bithiophene
492-97-7

2,2'-Bithiophene

boron trichloride
10294-34-5

boron trichloride

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
With AlCl3; Me2NTol In dichloromethane 1:1 mixt. of BCl3 and AlCl, pinacol (2.3-3.0 equiv.) and lutidine (15 equiv.) for 18 h;83%
2,3-dimethyl-2,3-butane diol
76-09-5

2,3-dimethyl-2,3-butane diol

2,2'-Bithiophene
492-97-7

2,2'-Bithiophene

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
Stage #1: 2,2'-Bithiophene With aluminum (III) chloride; boron trichloride; Dimethyl-p-toluidine In dichloromethane for 24h;
Stage #2: 2,3-dimethyl-2,3-butane diol With triethylamine In dichloromethane at 20℃; for 0.5h;
83%
2,2'-Bithiophene
492-97-7

2,2'-Bithiophene

bis(pinacol)diborane
73183-34-3

bis(pinacol)diborane

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
With (1,5-cyclooctadiene)(methoxy)iridium(I) dimer; 4,4'-di-tert-butyl-2,2'-bipyridine In hexane at 50℃; for 0.25h;82%
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

2,2'-Bithiophene
492-97-7

2,2'-Bithiophene

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
Stage #1: 2,2'-Bithiophene With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; for 2h; Inert atmosphere;
Stage #2: 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane In tetrahydrofuran; hexane at -78 - 20℃; Inert atmosphere;
72%
Stage #1: 2,2'-Bithiophene With n-butyllithium; N,N,N,N,-tetramethylethylenediamine In hexane for 1.41667h;
Stage #2: 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane In hexane at -78 - 20℃; for 16h;
57%
Stage #1: 2,2'-Bithiophene With n-butyllithium; N,N,N,N,-tetramethylethylenediamine In tetrahydrofuran; hexane for 0.5h; Heating;
Stage #2: 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane In tetrahydrofuran; hexane at -78 - -20℃; for 19h;
53%
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

4,4,5,5-tetramethyl-2-(5-(trimethylstannyl)thiophen-2-yl)-1,3,2-dioxaborolane
1408285-51-7

4,4,5,5-tetramethyl-2-(5-(trimethylstannyl)thiophen-2-yl)-1,3,2-dioxaborolane

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0) In toluene at 100℃; for 4h; Microwave irradiation;52%
2,3-dimethyl-2,3-butane diol
76-09-5

2,3-dimethyl-2,3-butane diol

2,2'-Bithiophene
492-97-7

2,2'-Bithiophene

A

2-([2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
479719-88-5

2-([2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

B

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
Stage #1: 2,2'-Bithiophene With n-butyllithium In tetrahydrofuran at -78 - 20℃; for 4h;
Stage #2: With Trimethyl borate In tetrahydrofuran for 2h;
Stage #3: 2,3-dimethyl-2,3-butane diol In tetrahydrofuran for 12h; Further stages.;
A 44%
B 0.35 g
2,3-dimethyl-2,3-butane diol
76-09-5

2,3-dimethyl-2,3-butane diol

5,5′-bis(dichloroboryl)-2,2′-bithiophene
1412912-74-3

5,5′-bis(dichloroboryl)-2,2′-bithiophene

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
With triethylamine at 20℃; for 0.5h; Inert atmosphere;44 mg
With triethylamine at 0 - 20℃; for 1h; Inert atmosphere;
2,2'-Bithiophene
492-97-7

2,2'-Bithiophene

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aluminum (III) chloride; boron trichloride; Dimethyl-p-toluidine / dichloromethane / 24 h / Inert atmosphere
2: triethylamine / 0.5 h / 20 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1: aluminum (III) chloride; BCl3*C9H13N / dichloromethane / 24 h / 20 °C / Schlenk technique; Inert atmosphere
2: triethylamine / 1 h / 0 - 20 °C / Inert atmosphere
View Scheme
bromostyrene
103-64-0

bromostyrene

4,4,5,5-tetramethyl-2-(5-(trimethylstannyl)thiophen-2-yl)-1,3,2-dioxaborolane
1408285-51-7

4,4,5,5-tetramethyl-2-(5-(trimethylstannyl)thiophen-2-yl)-1,3,2-dioxaborolane

A

(E)-4,4,5,5-tetramethyl-2-(5-styrylthiophen-2-yl)-1,3,2-dioxaborolane

(E)-4,4,5,5-tetramethyl-2-(5-styrylthiophen-2-yl)-1,3,2-dioxaborolane

B

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride In N,N-dimethyl-formamide at 60℃; for 16h;
bromostyrene
103-64-0

bromostyrene

4,4,5,5-tetramethyl-2-(5-(trimethylstannyl)thiophen-2-yl)-1,3,2-dioxaborolane
1408285-51-7

4,4,5,5-tetramethyl-2-(5-(trimethylstannyl)thiophen-2-yl)-1,3,2-dioxaborolane

A

(E)-4,4,5,5-tetramethyl-2-(5-styrylthiophen-2-yl)-1,3,2-dioxaborolane

(E)-4,4,5,5-tetramethyl-2-(5-styrylthiophen-2-yl)-1,3,2-dioxaborolane

B

(Z)-4,4,5,5-tetramethyl-2-(5-styrylthiophen-2-yl)-1,3,2-dioxaborolane

(Z)-4,4,5,5-tetramethyl-2-(5-styrylthiophen-2-yl)-1,3,2-dioxaborolane

C

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0) In toluene at 60℃; for 17h;
bromostyrene
103-64-0

bromostyrene

4,4,5,5-tetramethyl-2-(5-(trimethylstannyl)thiophen-2-yl)-1,3,2-dioxaborolane
1408285-51-7

4,4,5,5-tetramethyl-2-(5-(trimethylstannyl)thiophen-2-yl)-1,3,2-dioxaborolane

A

(E)-4,4,5,5-tetramethyl-2-(5-styrylthiophen-2-yl)-1,3,2-dioxaborolane

(E)-4,4,5,5-tetramethyl-2-(5-styrylthiophen-2-yl)-1,3,2-dioxaborolane

B

(Z)-4,4,5,5-tetramethyl-2-(5-styrylthiophen-2-yl)-1,3,2-dioxaborolane

(Z)-4,4,5,5-tetramethyl-2-(5-styrylthiophen-2-yl)-1,3,2-dioxaborolane

C

1,4-diphenyl-1,3-butadiene
886-65-7, 82598-07-0

1,4-diphenyl-1,3-butadiene

D

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane; toluene at 65℃; for 26h; Reagent/catalyst; Solvent; Temperature;
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

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: methyllithium / diethyl ether; tetrahydrofuran / 2 h / -100 °C
1.2: 13 h / -100 - 20 °C
2.1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / N,N-dimethyl-formamide / 16 h / 60 °C
View Scheme
Multi-step reaction with 2 steps
1.1: methyllithium / diethyl ether; tetrahydrofuran / 2 h / -100 °C
1.2: 13 h / -100 - 20 °C
2.1: tetrakis(triphenylphosphine) palladium(0) / toluene / 4 h / 100 °C / Microwave irradiation
View Scheme
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

A

(Z)-4,4,5,5-tetramethyl-2-(5-styrylthiophen-2-yl)-1,3,2-dioxaborolane

(Z)-4,4,5,5-tetramethyl-2-(5-styrylthiophen-2-yl)-1,3,2-dioxaborolane

B

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: methyllithium / diethyl ether; tetrahydrofuran / 2 h / -100 °C
1.2: 13 h / -100 - 20 °C
2.1: tetrakis(triphenylphosphine) palladium(0) / toluene / 17 h / 60 °C
View Scheme
Multi-step reaction with 2 steps
1.1: methyllithium / diethyl ether; tetrahydrofuran / 2 h / -100 °C
1.2: 13 h / -100 - 20 °C
2.1: tetrakis(triphenylphosphine) palladium(0) / toluene; 1,4-dioxane / 26 h / 65 °C
View Scheme
Triisopropyl borate
5419-55-6

Triisopropyl borate

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 2,3-dimethyl-2,3-butane diol / hexane / 90 °C
2: tetrakis(triphenylphosphine) palladium(0) / toluene / 4 h / 100 °C / Microwave irradiation
View Scheme
Multi-step reaction with 3 steps
1.1: 2,3-dimethyl-2,3-butane diol / hexane / 90 °C
2.1: methyllithium / diethyl ether; tetrahydrofuran / 2 h / -100 °C
2.2: 13 h / -100 - 20 °C
3.1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / N,N-dimethyl-formamide / 16 h / 60 °C
View Scheme
Multi-step reaction with 3 steps
1.1: 2,3-dimethyl-2,3-butane diol / hexane / 90 °C
2.1: methyllithium / diethyl ether; tetrahydrofuran / 2 h / -100 °C
2.2: 13 h / -100 - 20 °C
3.1: tetrakis(triphenylphosphine) palladium(0) / toluene / 4 h / 100 °C / Microwave irradiation
View Scheme
Triisopropyl borate
5419-55-6

Triisopropyl borate

A

(Z)-4,4,5,5-tetramethyl-2-(5-styrylthiophen-2-yl)-1,3,2-dioxaborolane

(Z)-4,4,5,5-tetramethyl-2-(5-styrylthiophen-2-yl)-1,3,2-dioxaborolane

B

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: 2,3-dimethyl-2,3-butane diol / hexane / 90 °C
2.1: methyllithium / diethyl ether; tetrahydrofuran / 2 h / -100 °C
2.2: 13 h / -100 - 20 °C
3.1: tetrakis(triphenylphosphine) palladium(0) / toluene / 17 h / 60 °C
View Scheme
Multi-step reaction with 3 steps
1.1: 2,3-dimethyl-2,3-butane diol / hexane / 90 °C
2.1: methyllithium / diethyl ether; tetrahydrofuran / 2 h / -100 °C
2.2: 13 h / -100 - 20 °C
3.1: tetrakis(triphenylphosphine) palladium(0) / toluene; 1,4-dioxane / 26 h / 65 °C
View Scheme
5-bromo-2-hexylisoindoline-1,3-dione
299963-46-5

5-bromo-2-hexylisoindoline-1,3-dione

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

5,5'-(2,2'-bithiophene-5,5'-diyl)bis(2-hexylphthalimide)
1572256-13-3

5,5'-(2,2'-bithiophene-5,5'-diyl)bis(2-hexylphthalimide)

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 0.5h; Reagent/catalyst; Suzuki Coupling; Microwave irradiation; Inert atmosphere;100%
2-bromo-3-(6-(4-methoxyphenoxy)hexyl)thiophene

2-bromo-3-(6-(4-methoxyphenoxy)hexyl)thiophene

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

3,3′′′-bis(6-(4-methoxyphenoxy)hexyl)-2,2′:5′,2″:5″,2′′′-quaterthiophene

3,3′′′-bis(6-(4-methoxyphenoxy)hexyl)-2,2′:5′,2″:5″,2′′′-quaterthiophene

Conditions
ConditionsYield
With [1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene](3-chloropyridyl)palladium(ll) dichloride; potassium carbonate In methanol; toluene at 90℃; for 24h; Inert atmosphere; Schlenk technique;97%
(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyloxy)-4-iodobenzene
669763-44-4

(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyloxy)-4-iodobenzene

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

5,5'-bis-(4-[2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyloxy]phenyl)-[2,2']-bithiophene
1262996-39-3

5,5'-bis-(4-[2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyloxy]phenyl)-[2,2']-bithiophene

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate; silver(l) oxide In 1,4-dioxane at 70℃; Suzuki-Miyaura coupling; Inert atmosphere;91%
(S)-4-iodo-1-(6-(2-tert-butoxycarbonylamino-3-phenylpropanoyloxy)hexyloxy)benzene
1046451-11-9

(S)-4-iodo-1-(6-(2-tert-butoxycarbonylamino-3-phenylpropanoyloxy)hexyloxy)benzene

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

(S,S)-5,5'-bis-(4-(6-(2-tert-butoxycarbonylamino-3-phenylpropanoyloxy)hexyloxy)phenyl)-[2,2']-bithiophene
1262996-44-0

(S,S)-5,5'-bis-(4-(6-(2-tert-butoxycarbonylamino-3-phenylpropanoyloxy)hexyloxy)phenyl)-[2,2']-bithiophene

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate; silver(l) oxide In 1,4-dioxane at 70℃; Suzuki-Miyaura coupling; Inert atmosphere;91%
2-(thiophen-2-yl)vinyl bromide
477727-73-4

2-(thiophen-2-yl)vinyl bromide

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

C20H14S4

C20H14S4

Conditions
ConditionsYield
With sodium hydroxide; bis(dibenzylideneacetone)-palladium(0); tri tert-butylphosphoniumtetrafluoroborate In tetrahydrofuran; water at 30℃; for 20h;89%
methyl 2-(2-bromothiophene-3-yl)acetate
683251-61-8

methyl 2-(2-bromothiophene-3-yl)acetate

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

C22H18O4S4
1352412-54-4

C22H18O4S4

Conditions
ConditionsYield
With [1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene](3-chloropyridyl)palladium(II) dichloride; potassium carbonate In methanol; toluene at 70℃; for 0.25h; Suzuki coupling;85%
4-bromo-9-butoxy-2,7-bis(2-ethylhexyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone

4-bromo-9-butoxy-2,7-bis(2-ethylhexyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

9,9'-([2,2'-bithiophene]-5,5'-diyl)bis(4-butoxy-2,7-bis(2-ethylhexyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone)

9,9'-([2,2'-bithiophene]-5,5'-diyl)bis(4-butoxy-2,7-bis(2-ethylhexyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone)

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In toluene for 24h; Reflux;85%
4-bromo-9-(butylamino)-2,7-bis(2-ethylhexyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone

4-bromo-9-(butylamino)-2,7-bis(2-ethylhexyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

9,9'-([2,2'-bithiophene]-5,5'-diyl)bis(4-(butylamino)-2,7-bis(2-ethylhexyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone)

9,9'-([2,2'-bithiophene]-5,5'-diyl)bis(4-(butylamino)-2,7-bis(2-ethylhexyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone)

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In toluene for 24h; Reflux;80%
C25H22BBr
1428236-28-5

C25H22BBr

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

C58H48B2S2
1499190-99-6

C58H48B2S2

Conditions
ConditionsYield
With tris(dibenzylideneacetone)dipalladium(0) chloroform complex; potassium phosphate; XPhos In tetrahydrofuran; water at 20℃; for 3.5h; Suzuki-Miyaura Coupling; Reflux; Inert atmosphere;77%
C25H21BrO3S

C25H21BrO3S

C53H41BrN4O3S

C53H41BrN4O3S

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

C86H66N4O6S4

C86H66N4O6S4

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; tetramethylammonium bromide; sodium carbonate at 80℃; for 24h; Suzuki Coupling; Inert atmosphere;76%
2-bromo-4-methyl-3-(3-(pyren-1-yl)tetraethoxy)thiophene

2-bromo-4-methyl-3-(3-(pyren-1-yl)tetraethoxy)thiophene

C57H49BrN4O5S

C57H49BrN4O5S

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

C94H82N4O10S4

C94H82N4O10S4

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; tetramethylammonium bromide; sodium carbonate at 80℃; for 24h; Suzuki Coupling; Inert atmosphere;76%
2-[2-(2-(2-(4-iodophenoxy)ethoxy)ethoxy)ethoxy]ethanol
1219042-09-7

2-[2-(2-(2-(4-iodophenoxy)ethoxy)ethoxy)ethoxy]ethanol

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

C36H46O10S2
1448006-24-3

C36H46O10S2

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In N,N-dimethyl-formamide at 50℃; for 16h; Inert atmosphere;75%
C35H43BrN2S
1126528-86-6

C35H43BrN2S

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

5,5'-bis(7-(9,9-dioctyl-9H-fluoren-2-yl)-2,1,3-benzothiadiazol-4-yl)-2,2'-bithiophene
1505470-95-0

5,5'-bis(7-(9,9-dioctyl-9H-fluoren-2-yl)-2,1,3-benzothiadiazol-4-yl)-2,2'-bithiophene

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); Aliquat 336; potassium carbonate In water; toluene for 24h; Suzuki Coupling; Inert atmosphere; Reflux;75%
4-bromo-9-(butylthio)-2,7-bis(2-ethylhexyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone

4-bromo-9-(butylthio)-2,7-bis(2-ethylhexyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

9,9'-([2,2'-bithiophene]-5,5'-diyl)bis(4-(butylthio)-2,7-bis(2-ethylhexyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone)

9,9'-([2,2'-bithiophene]-5,5'-diyl)bis(4-(butylthio)-2,7-bis(2-ethylhexyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone)

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In toluene for 12h; Reflux;75%
(triphenylphosphine)gold(I) chloride
14243-64-2

(triphenylphosphine)gold(I) chloride

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

5,5'-bis[(triphenylphosphine)gold(I)]-2,2'-bithiophene
1333204-13-9

5,5'-bis[(triphenylphosphine)gold(I)]-2,2'-bithiophene

Conditions
ConditionsYield
With cesium carbonate In isopropyl alcohol addn. of PPh3AuCl, 2,2'-bithiophene-5,5'-diboronic acid bis(pinacol ester) and Cs2CO3 under Ar, suspending in 2-propanol, stirring under Ar at 40°C for 24 h; removal of 2-propanol by rotary evapn., extn. into dry CH2Cl2, filtration, removal of CH2Cl2 by rotary evapn., trituration with pentane, filtration; elem. anal.;69%
bis-[(trifluoroacetoxy)iodo]benzene
2712-78-9

bis-[(trifluoroacetoxy)iodo]benzene

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

phenyl(5'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-[2,2'-bithiophen]-5-yl)iodonium trifluoroacetate
1417418-27-9

phenyl(5'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-[2,2'-bithiophen]-5-yl)iodonium trifluoroacetate

Conditions
ConditionsYield
With acetic acid In dichloromethane at 20℃; for 6h; regioselective reaction;68%
methyl 4-(5-iodothiophen-2-yl)butanoate

methyl 4-(5-iodothiophen-2-yl)butanoate

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

C26H26O4S4

C26H26O4S4

Conditions
ConditionsYield
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium carbonate In ethanol; water; toluene for 18h; Inert atmosphere; Reflux;60%
2-bromodithieno[3,2-b:2',3'-d]phosphole oxide
1240575-39-6

2-bromodithieno[3,2-b:2',3'-d]phosphole oxide

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

C36H20O2P2S6
1240575-50-1

C36H20O2P2S6

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); cesium fluoride In tetrahydrofuran at 70℃; for 72h; Suzuki-Miyaura crosscoupling; Inert atmosphere;58%
N,N’-bis(rac-2-ethylhexyl)-6-bromoisoindigo
1210390-72-9

N,N’-bis(rac-2-ethylhexyl)-6-bromoisoindigo

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

C72H86N4O4S2
1210390-76-3

C72H86N4O4S2

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); tetraethylammonium hydroxide; tris-(o-tolyl)phosphine In toluene at 85℃; Suzuki coupling; Inert atmosphere;57%
5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

methyl 2-(2-bromothiophen-3-yl)ethan-1-ol
111881-86-8

methyl 2-(2-bromothiophen-3-yl)ethan-1-ol

C20H18O2S4
1427213-81-7

C20H18O2S4

Conditions
ConditionsYield
With potassium fluoride; [1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene](3-chloropyridyl)palladium(ll) dichloride In methanol; toluene at 55℃; for 0.75h; Suzuki Coupling; Inert atmosphere;56%
With potassium fluoride; [1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene](3-chloropyridyl)palladium(ll) dichloride In methanol; toluene at 55℃; for 0.75h; Suzuki Coupling; Inert atmosphere;56%
5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

6-bromo-2,3-dihydrothieno[3,2-b][1,4]oxathiine
634916-49-7

6-bromo-2,3-dihydrothieno[3,2-b][1,4]oxathiine

C20H14O2S6

C20H14O2S6

Conditions
ConditionsYield
With cesium fluoride; tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane for 48h; Suzuki coupling; Heating;47%
4-bromo-2,6-dimethoxyphenol
70654-71-6

4-bromo-2,6-dimethoxyphenol

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

A

4,4'-([2,2'-bithiophene]-5,5'-diyl)-bis(2,6-dimethoxyphenol)

4,4'-([2,2'-bithiophene]-5,5'-diyl)-bis(2,6-dimethoxyphenol)

B

4-([2,2'-bithiophen]-5-yl)-2,6-dimethoxyphenol

4-([2,2'-bithiophen]-5-yl)-2,6-dimethoxyphenol

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In water; toluene at 130℃; for 0.7h; Suzuki Coupling; Microwave irradiation;A 7%
B 46%
3,7-dibromo-5,5-di-n-octyl-dibenzo[b,d]silole
891182-24-4

3,7-dibromo-5,5-di-n-octyl-dibenzo[b,d]silole

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

Polymer, Mw = 127000; Monomer(s): 2,7-dibromo-9,9-dioctyldibenzosilole; 2,5-bis(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-yl)-2,2-bithiophene

Polymer, Mw = 127000; Monomer(s): 2,7-dibromo-9,9-dioctyldibenzosilole; 2,5-bis(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-yl)-2,2-bithiophene

Conditions
ConditionsYield
With Aliquat 336; sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In water; toluene for 48h; Suzuki coupling; Heating;45%
3,7-dibromo-5,5-di-n-octyl-dibenzo[b,d]silole
891182-24-4

3,7-dibromo-5,5-di-n-octyl-dibenzo[b,d]silole

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene
239075-02-6

5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-2,2'-bithiophene

poly(9,9-di-n-octyldibenzosilole-alt-bithiophene), Mw (GPC) = 127 KD, PDI = 3.7; prepared by Suzuki coupling reaction; monomer(s): 2,7-dibromo-9,9'-di-n-octyldibenzosilole; 2,5'-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)bithiophene

poly(9,9-di-n-octyldibenzosilole-alt-bithiophene), Mw (GPC) = 127 KD, PDI = 3.7; prepared by Suzuki coupling reaction; monomer(s): 2,7-dibromo-9,9'-di-n-octyldibenzosilole; 2,5'-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)bithiophene

Conditions
ConditionsYield
With Aliquat 336; sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In toluene for 48h; Suzuki coupling reaction; Heating;45%
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