ChemicalBook > CAS DataBase List > 2-BROMO-5-METHOXYPHENYLBORONIC ACID

2-BROMO-5-METHOXYPHENYLBORONIC ACID

Product Name
2-BROMO-5-METHOXYPHENYLBORONIC ACID
CAS No.
89694-44-0
Chemical Name
2-BROMO-5-METHOXYPHENYLBORONIC ACID
Synonyms
2-BROMO-5-METHOXYPHENYLBORONIC ACID;2-bromine-5-methoxyphenylboronic acid;(2-BROMO-5-METHOXY)BENZENEBORONIC ACID;Boronic acid, B-(2-bromo-5-methoxyphenyl)-;2-Bromo-5-methoxyphenylboronic Acid (contains varying amounts of Anhydride)
CBNumber
CB2468882
Molecular Formula
C7H8BBrO3
Formula Weight
230.85
MOL File
89694-44-0.mol
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2-BROMO-5-METHOXYPHENYLBORONIC ACID Property

Melting point:
214-216
Boiling point:
376.6±52.0 °C(Predicted)
Density 
1.61±0.1 g/cm3(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
form 
solid
pka
7.82±0.58(Predicted)
color 
Beige
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Safety

Hazard Codes 
Xi
Hazard Note 
Irritant
HS Code 
2931900090
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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.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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

P405Store locked up.

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N-Bromosuccinimide Price

TRC
Product number
B694618
Product name
2-Bromo-5-methoxyphenylboronicacid
Packaging
250mg
Price
$55
Updated
2021/12/16
TRC
Product number
B694618
Product name
2-Bromo-5-methoxyphenylboronicacid
Packaging
500mg
Price
$65
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
BOR0000770
Product name
(2-BROMO-5-METHOXY)BENZENEBORONIC ACID
Purity
95.00%
Packaging
5G
Price
$1347.42
Updated
2021/12/16
ChemScene
Product number
CS-0038152
Product name
2-Bromo-5-methoxybenzeneboronic acid
Packaging
25g
Price
$670
Updated
2021/12/16
AK Scientific
Product number
Z1036
Product name
2-Bromo-5-methoxyphenylboronicacid
Packaging
5g
Price
$862
Updated
2021/12/16
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2-BROMO-5-METHOXYPHENYLBORONIC ACID Chemical Properties,Usage,Production

Synthesis

10365-98-7

89694-44-0

Under argon protection, 3-methoxyphenylboronic acid (9.12 g, 60.0 mmol) was dissolved in dichloromethane (200 mL) with triphenylphosphine sulfide (932 mg, 6.00 mmol) in a 300 mL aubergine flask, and stirred until completely dissolved. Subsequently, N-bromosuccinimide (13.0 g, 72.0 mmol) was added to the solution and stirred continuously for 48 hours at room temperature. Upon completion of the reaction, saturated aqueous sodium thiosulfate solution was added to quench the reaction. Extraction was carried out with dichloromethane (100 mL × 3) and the organic phases were combined, washed with saturated brine and dried over anhydrous sodium sulfate. After filtration, the crude product was concentrated under reduced pressure. The target product 2-bromo-5-methoxyphenylboronic acid (8.45 g, 36.6 mmol, 61.0% yield) was purified by silica gel column chromatography (silica gel 290 g, eluent hexane/acetone = 1/1).

References

[1] Organic Letters, 2010, vol. 12, # 11, p. 2480 - 2483
[2] Patent: JP2018/30788, 2018, A. Location in patent: Paragraph 0057
[3] Organic Letters, 2015, vol. 17, # 4, p. 1042 - 1045

2-BROMO-5-METHOXYPHENYLBORONIC ACID Preparation Products And Raw materials

Raw materials

Preparation Products

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2-BROMO-5-METHOXYPHENYLBORONIC ACID Suppliers

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View Lastest Price from 2-BROMO-5-METHOXYPHENYLBORONIC ACID manufacturers

Career Henan Chemical Co
Product
2-BROMO-5-METHOXYPHENYLBORONIC ACID 89694-44-0
Price
US $1.00/KG
Min. Order
1KG
Purity
98%-100%
Supply Ability
1
Release date
2018-08-12