2-Formylthiophene-4-boronic acid pinacol ester

Product Name: 2-Formylthiophene-4-boronic acid pinacol ester
CAS No.: 881381-12-0
Chemical Name: 2-Formylthiophene-4-boronic acid pinacol ester
Synonyms: 2-Formylthiophene-4-boronic acid pinacol ester;4-(Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carbaldehyde;4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carbaldehyde;3-hydroxy-2,3-dimethylbutan-2-yl hydrogen (5-formylthiophen-3-yl)boronate;4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-Thiophenecarboxaldehyde;2-Thiophenecarboxaldehyde, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-
CBNumber: CB32510094
Molecular Formula: C11H15BO3S
Formula Weight: 238.11
MOL File: 881381-12-0.mol

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2-Formylthiophene-4-boronic acid pinacol ester Property

storage temp.: under inert gas (nitrogen or Argon) at 2–8 °C
Appearance: White to light brown Solid

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Safety

HS Code: 2934999090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

TRC

Product number: T889618
Product name: 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carbaldehyde
Packaging: 100mg
Price: $75
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: BOR0004466
Product name: 2-FORMYLTHIOPHENE-4-BORONIC ACID PINACOL ESTER
Purity: 95.00%
Packaging: 1G
Price: $179.55
Updated: 2021/12/16

Matrix Scientific

Product number: 089974
Product name: 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carbaldehyde
Purity: 95+%
Packaging: 1g
Price: $227
Updated: 2021/12/16

SynQuest Laboratories

Product number: 6H66-1-43
Product name: 4-(Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carbaldehyde
Packaging: 5G
Price: $365
Updated: 2021/12/16

AK Scientific

Product number: AMTB826
Product name: 2-Formylthiophene-4-boronicacidpinacolester
Packaging: 25g
Price: $506
Updated: 2021/12/16

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2-Formylthiophene-4-boronic acid pinacol ester Chemical Properties,Usage,Production

Synthesis

18791-75-8

73183-34-3

881381-12-0

General procedure for the synthesis of 2-formylthiophene-4-boronic acid pinacol ester from 4-bromo-2-thiophenecarboxaldehyde and bis(pinacolato)diboron (865 mg, 3.403 mmol), potassium acetate (667 mg, 6.81 mmol) and PdCl2(dppf) (96 mg, 0.131 mmol). The reaction mixture was placed in a microwave reactor and heated at 150 °C for 20 min. After completion of the reaction, all solvents were removed by evaporation. The residue was partitioned between ethyl acetate (100 mL) and water (100 mL). The aqueous layer was extracted with ethyl acetate (2 x 100 mL). The combined organic phases were washed with brine (100 mL), dried over anhydrous MgSO4 and concentrated. The crude product was purified by Combiflash fast column (elution gradient: hexane/ethyl acetate, 1%-30% ethyl acetate, 20 min) to afford pinacol ester of 2-formylthiophene-4-boronic acid (550 mg, 88% yield).LC/MS analysis: m/z 238.2 ([M+H]+), retention time 1.88 min.

References

[1] Patent: WO2006/34317, 2006, A2. Location in patent: Page/Page column 94
[2] Patent: WO2008/118724, 2008, A1. Location in patent: Page/Page column 148-149

2-Formylthiophene-4-boronic acid pinacol ester Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 2-Formylthiophene-4-boronic acid pinacol ester manufacturers

Career Henan Chemical Co

Product: 2-Formylthiophene-4-boronic acid pinacol ester 881381-12-0
Price: US $1.00/KG
Min. Order: 1KG
Purity: 95-99%
Supply Ability: 1ton
Release date: 2020-01-02

881381-12-0, 2-Formylthiophene-4-boronic acid pinacol esterRelated Search:

4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carbaldehyde

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881381-12-0