ChemicalBook > CAS DataBase List > 4,4,5,5-TetraMethyl-2-(3-(trifluoroMethyl)benzyl)-1,3,2-dioxaborolane

4,4,5,5-TetraMethyl-2-(3-(trifluoroMethyl)benzyl)-1,3,2-dioxaborolane

Product Name
4,4,5,5-TetraMethyl-2-(3-(trifluoroMethyl)benzyl)-1,3,2-dioxaborolane
CAS No.
1190235-39-2
Chemical Name
4,4,5,5-TetraMethyl-2-(3-(trifluoroMethyl)benzyl)-1,3,2-dioxaborolane
Synonyms
(3-(Trifluoromethyl)benzyl)boronic acid pinacol ester;4,4,5,5-TetraMethyl-2-(3-(trifluoroMethyl)benzyl)-1,3,2-dioxaborolane;4,4,5,5-tetramethyl-2-{[3-(trifluoromethyl)phenyl]methyl}-1,3,2-dioxaborolane;1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-[[3-(trifluoromethyl)phenyl]methyl]-
CBNumber
CB92651665
Molecular Formula
C14H18BF3O2
Formula Weight
286.1
MOL File
1190235-39-2.mol
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4,4,5,5-TetraMethyl-2-(3-(trifluoroMethyl)benzyl)-1,3,2-dioxaborolane Property

Boiling point:
278.0±40.0 °C(Predicted)
Density 
1.13±0.1 g/cm3(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
Appearance
Colorless to off-white Solid-Liquid Mixture
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

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

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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

P321Specific treatment (see … on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TRC
Product number
T890018
Product name
4,4,5,5-Tetramethyl-2-(3-(trifluoromethyl)benzyl)-1,3,2-Dioxaborolane
Packaging
100mg
Price
$65
Updated
2021/12/16
AK Scientific
Product number
Y3781
Product name
4,4,5,5-Tetramethyl-2-[3-(trifluoromethyl)benzyl]-1,3,2-dioxaborolane
Packaging
250mg
Price
$138
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
BOR0006760
Product name
4,4,5,5-TETRAMETHYL-2-(3-(TRIFLUOROMETHYL)BENZYL)-1,3,2-DIOXABOROLANE
Purity
95.00%
Packaging
5MG
Price
$495.54
Updated
2021/12/16
Matrix Scientific
Product number
093280
Product name
4,4,5,5-Tetramethyl-2-(3-(trifluoromethyl)-benzyl)-1,3,2-dioxaborolane
Purity
95+%
Packaging
250mg
Price
$378
Updated
2021/12/16
Matrix Scientific
Product number
093280
Product name
4,4,5,5-Tetramethyl-2-(3-(trifluoromethyl)-benzyl)-1,3,2-dioxaborolane
Purity
95+%
Packaging
1g
Price
$807
Updated
2021/12/16
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4,4,5,5-TetraMethyl-2-(3-(trifluoroMethyl)benzyl)-1,3,2-dioxaborolane Chemical Properties,Usage,Production

Synthesis

402-23-3

73183-34-3

1190235-39-2

To 3-(trifluoromethyl)benzyl bromide (5.00 g, 20.9 mmol) and pinacol ester of bis(boronic acid) (6.4 g, 25 mmol) were added potassium carbonate (20.9 g, 62.7 mmol) and tetrakis(triphenylphosphine)palladium(0) (1.2 g, 1.0 mmol) in degassed 1,4-dioxane (100 mL). The reaction mixture was heated at 100 °C for 12 hours. After completion of the reaction, the mixture was cooled to room temperature and filtered through a bed of diatomaceous earth. The filtrate was concentrated and the crude product was purified by silica gel column chromatography using a petroleum ether solution of 2% ethyl acetate as eluent to afford 4,4,5,5-tetramethyl-2-(3-(trifluoromethyl)-benzyl)-1,3,2-dioxaborolane (5.1 g, 85% yield) as a colorless liquid. The product was confirmed by 1H NMR (400 MHz, CDCl3): δ 7.45 (s, 1H), 7.33-7.40 (m, 3H), 2.36 (s, 2H), 1.25 (s, 12H).GCMS analysis showed m/z = 286.

References

[1] Patent: WO2013/92979, 2013, A1. Location in patent: Page/Page column 47
[2] Patent: EP2264017, 2010, A1. Location in patent: Page/Page column 145

4,4,5,5-TetraMethyl-2-(3-(trifluoroMethyl)benzyl)-1,3,2-dioxaborolane Preparation Products And Raw materials

Raw materials

Preparation Products

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4,4,5,5-TetraMethyl-2-(3-(trifluoroMethyl)benzyl)-1,3,2-dioxaborolane Suppliers

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View Lastest Price from 4,4,5,5-TetraMethyl-2-(3-(trifluoroMethyl)benzyl)-1,3,2-dioxaborolane manufacturers

Career Henan Chemical Co
Product
4,4,5,5-TetraMethyl-2-(3-(trifluoroMethyl)benzyl)-1,3,2-dioxaborolane 1190235-39-2
Price
US $1.00/g
Min. Order
1g
Purity
99%
Supply Ability
200kg
Release date
2019-12-26

1190235-39-2, 4,4,5,5-TetraMethyl-2-(3-(trifluoroMethyl)benzyl)-1,3,2-dioxaborolaneRelated Search:

4,4-Dimethyl-2-oxo-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid methyl ester 4,4,8-TriMethyl-1,3-dihydroquinolin-2-one 4,4-dimethylpiperidine 4,4-dimethylpiperidinium chloride 1,3,2-Dioxaborolane, 4,4,5,5-tetraMethyl-2-(3,3,5,5-tetraMethyl-1-cyclohexen-1-yl) 4,4,8-Trimethyl-1,2,3,4-tetrahydroquinoline 4,4,6-TriMethyl-1,3-dihydroquinolin-2-one

  • 4,4,5,5-TetraMethyl-2-(3-(trifluoroMethyl)benzyl)-1,3,2-dioxaborolane
  • 4,4,5,5-tetramethyl-2-{[3-(trifluoromethyl)phenyl]methyl}-1,3,2-dioxaborolane
  • 1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-[[3-(trifluoromethyl)phenyl]methyl]-
  • (3-(Trifluoromethyl)benzyl)boronic acid pinacol ester
  • 1190235-39-2