ChemicalBook > CAS DataBase List > 5-PHENYL-2-THIENYLBORONIC ACID

5-PHENYL-2-THIENYLBORONIC ACID

Product Name
5-PHENYL-2-THIENYLBORONIC ACID
CAS No.
306934-95-2
Chemical Name
5-PHENYL-2-THIENYLBORONIC ACID
Synonyms
AKOS BRN-0521;5-phenyl-2-thinylboronic acid;5-PHENYL-2-THIENYLBORONIC ACID;2-Phenylthiophene-5-boronic acid;5-Phenylthiophene-2-boronic acid;2-Phenyl-5-thiopheneboronic acid;5-phenylthiophen-2 -boronic acid;5-Phenyl-2-thiopheneboronic acid;(5-Phenylthien-2-yl)boronic acid;(5-phenylthiophen-2-yl)boronic acid
CBNumber
CB5766699
Molecular Formula
C10H9BO2S
Formula Weight
204.05
MOL File
306934-95-2.mol
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5-PHENYL-2-THIENYLBORONIC ACID Property

Melting point:
140 °C
Boiling point:
412.9±47.0 °C(Predicted)
Density 
1.29±0.1 g/cm3(Predicted)
storage temp. 
Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
form 
solid
pka
8.49±0.53(Predicted)
Appearance
White to off-white Solid
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Safety

Hazard Codes 
Xi,Xn
Risk Statements 
36/37/38-22
Safety Statements 
26-36/37/39
Hazard Note 
Irritant
HS Code 
2934999090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

Precautionary statements

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

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TRC
Product number
P316615
Product name
(5-Phenylthiophen-2-yl)boronicAcid
Packaging
100mg
Price
$75
Updated
2021/12/16
AK Scientific
Product number
X0695
Product name
5-Phenylthiophene-2-boronicacid
Packaging
1g
Price
$67
Updated
2021/12/16
Matrix Scientific
Product number
082006
Product name
5-Phenylthiophene-2-boronic acid
Purity
97%
Packaging
1g
Price
$94
Updated
2021/12/16
SynQuest Laboratories
Product number
6H60-1-0J
Product name
5-Phenylthiophene-2-boronic acid
Packaging
1g
Price
$144
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
BOR0001653
Product name
5-PHENYL-2-THIENYLBORONIC ACID
Purity
95.00%
Packaging
1G
Price
$228.9
Updated
2021/12/16
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5-PHENYL-2-THIENYLBORONIC ACID Chemical Properties,Usage,Production

Synthesis

29488-24-2

306934-95-2

Under nitrogen protection, 2-bromo-5-phenylthiophene (compound 111, 2.50 g, 10.4 mmol) was dissolved in anhydrous THF (50 mL) and cooled to -78 °C. Slowly n-butyllithium (n-BuLi, 8.4 mL of a 2.5 M hexane solution) was added dropwise. The reaction mixture was stirred at -78 °C for 1 h. Trimethyl borate (2.40 mL, 20.9 mmol) was slowly added. Stirring was continued at -78 °C for 30 min, followed by removal of the cooling bath to allow the reaction mixture to gradually warm to room temperature and stirring for 3 h at 37 °C. Upon completion of the reaction, the reaction was quenched with 1N HCl (100 mL) and subsequently extracted with ethyl acetate. The organic layers were combined, dried with anhydrous magnesium sulfate and concentrated under reduced pressure. The crude product was slurried with petroleum ether, filtered and dried to afford (5-phenylthiophen-2-yl)boronic acid (Compound 112, 1.04 g, 48.8% yield).

References

[1] Patent: US7485733, 2009, B2. Location in patent: Page/Page column 77
[2] Chemistry - A European Journal, 2002, vol. 8, # 10, p. 2384 - 2396
[3] Patent: US2008/108832, 2008, A1. Location in patent: Page/Page column 51
[4] Patent: EP2177516, 2010, A1. Location in patent: Page/Page column 46-47

5-PHENYL-2-THIENYLBORONIC ACID Preparation Products And Raw materials

Raw materials

Preparation Products

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5-PHENYL-2-THIENYLBORONIC ACID Suppliers

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View Lastest Price from 5-PHENYL-2-THIENYLBORONIC ACID manufacturers

Career Henan Chemical Co
Product
5-PHENYL-2-THIENYLBORONIC ACID 306934-95-2
Price
US $1.00/g
Min. Order
1g
Purity
99%
Supply Ability
200kg
Release date
2019-12-26

306934-95-2, 5-PHENYL-2-THIENYLBORONIC ACIDRelated Search:

2-PHENYLTHIOPHENE-5-BORONIC ACID PINACOL ESTER 5-(4-PENTYLOXYPHENYL)THIOPHENE-2-BORONIC ACID 5-(4-METHYLPHENYL)THIOPHENE-2-BORONIC ACID 5-(4-PENTYLPHENYL)THIOPHENE-2-BORONIC ACID 5-PHENYL-2-THIENYLBORONIC ACID

  • 5-PHENYL-2-THIENYLBORONIC ACID
  • AKOS BRN-0521
  • 2-Phenylthiophene-5-boronic acid
  • 5-Phenyl-2-thienylboronic acid, May contain varying amounts of anhydride, 95%
  • 2-Borono-5-phenylthiophene, (5-Boronothien-2-yl)benzene
  • 5-Phenyl-2-thienylboronic acid, 95%, May contain varying aMounts of anhydride
  • 5-Phenylthiophene-2-boronic acid
  • (5-phenylthiophen-2-yl)boronic acid
  • 5-Phenyl-2-thiopheneboronic acid
  • 5-phenylthiophen-2 -boronic acid
  • 2-Phenyl-5-thiopheneboronic acid
  • 5-phenyl-2-thinylboronic acid
  • Boronic acid, B-(5-phenyl-2-thienyl)-
  • (5-Phenylthien-2-yl)boronic acid
  • (5-Phenyl thiophene-2-based) boronic acid
  • 306934-95-2
  • C10H9BO2S
  • BORONIC ACID