ChemicalBook > CAS DataBase List > 4-[5-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-PYRIDIN-2-YL]-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER

4-[5-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-PYRIDIN-2-YL]-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER

Product Name
4-[5-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-PYRIDIN-2-YL]-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER
CAS No.
496786-98-2
Chemical Name
4-[5-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-PYRIDIN-2-YL]-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER
Synonyms
tert-butyl 4-[5-(4;4-(5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOR;6- -4-Boc-1-piperazine and) pyridine-3-borate;6-(4-Boc-piperazin-1-yl)pyridine-3-boronic acid;2-[4-(N-BOC)Piperazin-1-yl]pyridine-5-boronic acid;2-(4-BOC-PIPERAZINE)PYRIDINE-5-BORONIC ACID PINACOL ESTER;2-(4-BOC-Piperazino)pyridine-5-boronic acid,pinacol ester;6-(4-BOC-1-PIPERAZINO)PYRIDINE-3-BORONIC ACID PINACOL ESTER;2-(4-Boc-1-piperazinyl)pyridine-5-boronic acid pinacol ester;6-(4-Boc-1-piperazinyl)pyridine-3-boronic acid pinacol ester
CBNumber
CB2296324
Molecular Formula
C20H32BN3O4
Formula Weight
389.3
MOL File
496786-98-2.mol
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4-[5-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-PYRIDIN-2-YL]-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER Property

Melting point:
165-169 °C
Boiling point:
515.9±50.0 °C(Predicted)
Density 
1.14±0.1 g/cm3(Predicted)
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
form 
solid
pka
8.41±0.31(Predicted)
Appearance
White to off-white Solid
InChI
InChI=1S/C20H32BN3O4/c1-18(2,3)26-17(25)24-12-10-23(11-13-24)16-9-8-15(14-22-16)21-27-19(4,5)20(6,7)28-21/h8-9,14H,10-13H2,1-7H3
InChIKey
JWUBVPJWWYYRLJ-UHFFFAOYSA-N
SMILES
N1(C(OC(C)(C)C)=O)CCN(C2=NC=C(B3OC(C)(C)C(C)(C)O3)C=C2)CC1
CAS DataBase Reference
496786-98-2(CAS DataBase Reference)
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Safety

Hazard Codes 
Xi
Safety Statements 
22-24/25
WGK Germany 
3
HazardClass 
IRRITANT
HS Code 
2933998090
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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

Sigma-Aldrich
Product number
654337
Product name
6-(4-Boc-piperazin-1-yl)pyridine-3-boronic acid pinacol ester
Purity
96%
Packaging
5g
Price
$269.5
Updated
2025/07/31
Sigma-Aldrich
Product number
654337
Product name
6-(4-Boc-piperazin-1-yl)pyridine-3-boronic acid pinacol ester
Purity
96%
Packaging
1g
Price
$174
Updated
2023/06/20
TRC
Product number
B663175
Product name
6-(4-Boc-piperazin-1-yl)pyridine-3-boronic acid pinacol ester
Packaging
5g
Price
$335
Updated
2021/12/16
Apolloscientific
Product number
OR9766
Product name
6-[4-(tert-Butoxycarbonyl)piperazin-1-yl]pyridine-3-boronicacid,pinacolester
Purity
97%
Packaging
25g
Price
$356
Updated
2021/12/16
Synthonix
Product number
P10620
Product name
2-(4-Boc-piperazino)pyridine-5-boronicacidpinacolester
Purity
97.0%
Packaging
25g
Price
$290
Updated
2021/12/16
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4-[5-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-PYRIDIN-2-YL]-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER Chemical Properties,Usage,Production

Uses

6-(4-Boc-piperazin-1-yl)pyridine-3-boronic Acid Pinacol Ester is used as a reactant in the preparation of fluorogenic probes used to distinguish chemical warfare agents and their mimics.

Synthesis

73183-34-3

153747-97-8

496786-98-2

Under nitrogen protection, 4-Boc-1-(5-bromo-2-pyridyl)piperazine (125 g, 366 mmol) was dissolved in DMF (1.30 L), and bipinacolate pinacol ester (186 g, 732 mmol), palladium acetate (4.09 g, 18.3 mmol), triphenylphosphine (19.2 g, 73.2 mmol) and potassium acetate ( 108 g, 1.10 mol). The reaction mixture was stirred at 80 °C overnight. After completion of the reaction, it was cooled to room temperature and the solid was collected by filtration. The filtrate was concentrated under reduced pressure and the resulting residue was purified by silica gel fast column chromatography (eluent: ethyl acetate/petroleum ether, 1:50 v/v) to afford the target product tert-butyl 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)piperidin-2-yl]piperazine-1-carboxylate (90c) as a white solid (80.0 g, yield 56%). Mass spectrum (LCMS, ESI positive ion mode): calculated value C20H32BN3O4 [M+H]+ 390.2, measured value 390.2.

References

[1] Patent: US2014/364414, 2014, A1. Location in patent: Paragraph 0945; 0950-0951
[2] Journal of Medicinal Chemistry, 2012, vol. 55, # 11, p. 5361 - 5379
[3] Patent: US2013/225548, 2013, A1. Location in patent: Paragraph 0531; 0632
[4] Patent: CN104650049, 2018, B. Location in patent: Paragraph 0426; 0427

4-[5-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-PYRIDIN-2-YL]-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER Preparation Products And Raw materials

Raw materials

Preparation Products

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4-[5-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-PYRIDIN-2-YL]-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER Suppliers

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496786-98-2, 4-[5-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-PYRIDIN-2-YL]-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTERRelated Search:


  • TERT-BUTYL 4-[5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-2-PYRIDINYL]TETRAHYDRO-1(2H)-PYRAZINECARBOXYLATE
  • TERT-BUTYL 4-[5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PYRIDIN-2-YL]PIPERAZINE-1-CARBOXYLATE
  • 4-(5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PYRIDIN-2-YL)-1-BOC-PIPERAZINE
  • 4-[5-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-PYRIDIN-2-YL]-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER
  • 2-(4-BOC-PIPERAZINE)PYRIDINE-5-BORONIC ACID PINACOL ESTER
  • 2-(4-BOC-PIPERAZIN-1-YL)PYRIDINE-5-BORONIC ACID PINACOL ESTER
  • 2-(4-TERT-BUTOXYCARBONYLPIPERAZIN-1-YL)PYRIDINE-5-BORONIC ACID, PINACOL ESTER
  • 6-(4-Boc-piperazin-1-yl)pyridine-3-boronic acid pinacol ester, 96%
  • 4-[5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyridin-2-yl]piperazine-1-carboxylic acid tert-butyl ester
  • 4-[5-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl-piperazine-1-carboxylic acid tert-butyl ester
  • tert-Butyl 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl]piperazine-1-carboxylate 97%
  • 2-[4-(N-BOC)Piperazin-1-yl]pyridine-5-boronic acid
  • 2-(4-Boc-1-piperazinyl)pyridine-5-boronic acid pinacol ester
  • tert-Butyl 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl]piperazine-1-carboxylate, 2-[4-(tert-Butoxycarbonyl)piperazin-1-yl]-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
  • tert-butyl 4-[5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl]piperazine-1-carboxylate
  • 6-(4-Boc-piperazin-1-yl)pyridine-3-boronic acid pinacol ester 96%
  • tert-butyl 3-(5-(hydroxy((3-hydroxy-2,3-dimethylbutan-2-yl)oxy)boryl)pyridin-2-yl)piperazine-1-carboxylate
  • 4-[5-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl-piperazine-1-carboxylic acid tert-butyl est
  • 6-(4-TERT-BUTOXYCARBONYLPIPERAZINYL)PYRIDINE-3-BORONIC ACID, PINACOL ESTER
  • 6-(4-BOC-1-PIPERAZINO)PYRIDINE-3-BORONIC ACID PINACOL ESTER
  • 4-[5-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl-piperazine-1-carboxylic acid t
  • tert-Butyl 4-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-ylüpiperazine-1-carboxylate
  • tert-Butyl 4-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-ylüpiperazine-1-carboxylate
  • 2-[4-(N-Boc)piperazin-1-yl]pyridine-5-boronic acid pinacol ester
  • 6-(4-Boc-1-piperazinyl)pyridine-3-boronic acid pinacol ester
  • 6-[4-(tert-Butoxycarbonyl)piperazin-1-yl]pyridine-3-boronic acid pinacol ester
  • 2-(4-BOC-Piperazino)pyridine-5-boronic acid,pinacol ester
  • 4 2-(4-(N-Boc)piperazin-1-yl)pyridine-5-boronic acid pinacol ester
  • 2-dioxaborolan-2-yl)-2-pyridinyl]tetrahydro-1(2H)-pyrazinecarboxylate
  • tert-butyl 4-[5-(4
  • 1-Piperazinecarboxylic acid, 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-pyridinyl]-, 1,1-dimethylethyl ester
  • 6-[4-(tert-Butoxycarbonyl)piperazin-1-yl]pyridine-3-boronic acid, pinacol ester 97%
  • t-Butyl 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl]piperazine-1-carboxylate
  • 4-(5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOR
  • 6-(4-Boc-piperazin-1-yl)pyridine-3-boronic acid
  • 6-(4-N-Boc-piperazin-1-yl)pyridine-3-boronic acid pinacol ester
  • 1-Boc-4-[5-(4,4,5,5-TetraMethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl]piperazine
  • 2-(4-tert-Butoxycarbonylpiperazin-1-yl)pyridine-5-boronic acid
  • 4-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperazine-1-carboxylate
  • tert-Butyl 4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-pyridin-2-yl)piperazin-1-carboxylate
  • 6- -4-Boc-1-piperazine and) pyridine-3-borate
  • 2-(4-Boc-piperazino)pyridine-5-boronic acid pinacol ester - [P10620]
  • 496786-98-2
  • C20H32BN3O4
  • C20H31BN3O4
  • Boronate Esters
  • Boronic Acids and Derivatives
  • Organometallic Reagents
  • Heteroaryl
  • Heterocyclic Compounds
  • Boronic ester
  • Organoborons
  • Pyridine