ChemicalBook > CAS DataBase List > 1-(ETHOXYCARBONYLMETHYL)-1H-PYRAZOLE-4-BORONIC ACID, PINACOL ESTER

1-(ETHOXYCARBONYLMETHYL)-1H-PYRAZOLE-4-BORONIC ACID, PINACOL ESTER

Product Name
1-(ETHOXYCARBONYLMETHYL)-1H-PYRAZOLE-4-BORONIC ACID, PINACOL ESTER
CAS No.
864754-16-5
Chemical Name
1-(ETHOXYCARBONYLMETHYL)-1H-PYRAZOLE-4-BORONIC ACID, PINACOL ESTER
Synonyms
ethyl 2-(4-(4,4,5,5-tet;1-(Ethoxycarbonylmethyl)-1H<;1-(Ethoxycarbonylmethyl)pyrazole-4-boronic Acid Pin;1-(Ethoxycarbonylmethyl)pyrazole-4-boronic Acid Pinacol Ester;ethyl [4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-py...;1-(ETHOXYCARBONYLMETHYL)-1H-PYRAZOLE-4-BORONIC ACID, PINACOL ESTER;1-(Ethoxycarbonylmethyl)-1H-pyrazole-4-boronic acid pinacol ester 97%;1-(Ethoxycarbonylmethyl)-1H-pyrazole-4-boronic acid pinacol ester;ethyl 2-[4-(tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]acetate;Ethyl 2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazol-1-yl]acetate
CBNumber
CB3836680
Molecular Formula
C13H21BN2O4
Formula Weight
280.13
MOL File
864754-16-5.mol
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1-(ETHOXYCARBONYLMETHYL)-1H-PYRAZOLE-4-BORONIC ACID, PINACOL ESTER Property

Boiling point:
390.8±22.0 °C(Predicted)
Density 
1.12±0.1 g/cm3(Predicted)
refractive index 
n20/D 1.4814
Flash point:
110 °C
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
form 
liquid
pka
1.49±0.10(Predicted)
Appearance
Light yellow to yellow Liquid
InChIKey
YUEZJHOSHBTWPV-UHFFFAOYSA-N
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
3
HS Code 
2933199090
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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.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

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

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.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
683566
Product name
1-(Ethoxycarbonylmethyl)-1H-pyrazole-4-boronic acid pinacol ester
Purity
97%
Packaging
1g
Price
$134
Updated
2025/07/31
Sigma-Aldrich
Product number
683566
Product name
1-(Ethoxycarbonylmethyl)-1H-pyrazole-4-boronic acid pinacol ester
Purity
97%
Packaging
250mg
Price
$63.8
Updated
2023/01/07
TRC
Product number
E895010
Product name
1-(Ethoxycarbonylmethyl)-1H-pyrazole-4-boronic acid pinacol ester
Packaging
500mg
Price
$70
Updated
2021/12/16
Apolloscientific
Product number
OR302124
Product name
1-(Ethoxycarbonylmethyl)-1H-pyrazole-4-boronic acid pinacol ester
Packaging
1g
Price
$189
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
BOR0002832
Product name
1-(ETHOXYCARBONYLMETHYL)-1H-PYRAZOLE-4-BORONIC ACID PINACOL ESTER
Purity
95.00%
Packaging
1G
Price
$236.63
Updated
2021/12/16
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1-(ETHOXYCARBONYLMETHYL)-1H-PYRAZOLE-4-BORONIC ACID, PINACOL ESTER Chemical Properties,Usage,Production

Chemical Properties

liquid

Uses

1-(Ethoxycarbonylmethyl)-1H-pyrazole-4-boronic acid pinacol ester

Synthesis

82231-58-1

73183-34-3

864754-16-5

The general procedure for the synthesis of 1-(ethoxycarbonylmethyl)-1H-pyrazole-4-boronic acid pinacol ester from ethyl 4-bromo-1H-pyrazole-1-acetate and bis-boronic acid pinacol ester was carried out as follows: firstly, 4,4,5,5-tetramethyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3,2-dioxaboro Heterocyclopentane (436 mg, 1.72 mmol) was dissolved in DMF (10 mL). Subsequently, KOAc (420 mg, 4.29 mmol) and Pd(dppf)Cl2-CH2Cl2 (35 mg, 0.043 mmol) were added sequentially. The reaction mixture was heated to 80 °C and a solution of ethyl 4-bromo-1H-pyrazole-1-acetate (333 mg, 1.43 mmol) in DMF (10 mL) was added dropwise at this temperature. The reaction mixture was stirred at 80 °C overnight and then evaporated to dryness. Finally, the residue was purified by silica gel column chromatography (eluent: ethyl acetate/petroleum ether = 1:10) to afford the target product 1-(ethoxycarbonylmethyl)-1H-pyrazole-4-boronic acid pinacol ester (76 mg, 19% yield).

References

[1] Patent: WO2008/88881, 2008, A1. Location in patent: Page/Page column 52
[2] Bioorganic and Medicinal Chemistry, 2013, vol. 21, # 21, p. 6804 - 6820

1-(ETHOXYCARBONYLMETHYL)-1H-PYRAZOLE-4-BORONIC ACID, PINACOL ESTER Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 1-(ETHOXYCARBONYLMETHYL)-1H-PYRAZOLE-4-BORONIC ACID, PINACOL ESTER manufacturers

ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
Product
ethyl 2-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]acetate 864754-16-5
Price
US $3.00-9.00/KG
Min. Order
0.1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2025-07-05
Zhuozhou Wenxi import and Export Co., Ltd
Product
1-(ETHOXYCARBONYLMETHYL)-1H-PYRAZOLE-4-BORONIC ACID, PINACOL ESTER 864754-16-5
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-10
Zhuozhou Wenxi import and Export Co., Ltd
Product
1-(ETHOXYCARBONYLMETHYL)-1H-PYRAZOLE-4-BORONIC ACID, PINACOL ESTER 864754-16-5
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-09

864754-16-5, 1-(ETHOXYCARBONYLMETHYL)-1H-PYRAZOLE-4-BORONIC ACID, PINACOL ESTERRelated Search:

1H-PYRAZOLE-4-BORONIC ACID 1-Ethyl-1H-pyrazole-4-boronic acid, pinacol ester 4-Pyrazoleboronic acid pinacol ester 1-Methyl-4-pyrazole boronic acid pinacol ester 1-(ETHOXYCARBONYLMETHYL)-1H-PYRAZOLE-4-BORONIC ACID, PINACOL ESTER 1-Methyl-1H-pyrazole-4-boronic acid

  • 1-(ETHOXYCARBONYLMETHYL)-1H-PYRAZOLE-4-BORONIC ACID, PINACOL ESTER
  • [4-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-PYRAZOL-1-YL]-ACETIC ACID ETHYL ESTER
  • ethyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)acetate
  • ethyl 2-[4-(tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]acetate
  • Ethyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-acetate
  • 1-(Ethoxycarbonylmethyl)pyrazole-4-boronic Acid Pinacol Ester
  • 1-(Ethoxycarbonylmethyl)-1H-pyrazole-4-boronic acid pinacol ester 97%
  • Ethyl 2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazol-1-yl]acetate
  • 1H-Pyrazole-1-acetic acid,4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-,ethyl ester
  • 1-(Ethoxycarbonylmethyl)-1<I>H</I>-pyrazole-4-boronic acid pinacol ester
  • ethyl 2-(4-(4,4,5,5-tet
  • 1-(Ethoxycarbonylmethyl)pyrazole-4-boronic Acid Pin
  • ethyl [4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]acetate
  • ethyl [4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-py...
  • 1-(Ethoxycarbonylmethyl)-1<I>H<
  • 864754-16-5
  • Boronate Esters
  • Boronic Acids and Derivatives
  • Chemical Synthesis
  • Heteroaryl Boronate Esters
  • Organometallic Reagents