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663212

Sigma-Aldrich

Isopropenylboronic acid pinacol ester

contains phenothiazine as stabilizer, 95%

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Synonym(s):
2-Isopropenyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 4,4,5,5-Tetramethyl-2-(isopropenyl)-1,3,2-dioxaborolane, 4,4,5,5-Tetramethyl-2-(prop-1-en-2-yl)-1,3,2-dioxaborolane, 4,4,5,5-tetramethyl-2-(1-methylethenyl)-1,3,2-dioxaborolane
Empirical Formula (Hill Notation):
C9H17BO2
CAS Number:
Molecular Weight:
168.04
MDL number:
PubChem Substance ID:
NACRES:
NA.22

assay

95%

contains

phenothiazine as stabilizer

refractive index

n20/D 1.4320

bp

47-49 °C/9 mbar

density

0.894 g/mL at 25 °C

storage temp.

2-8°C

SMILES string

CC(=C)B1OC(C)(C)C(C)(C)O1

InChI

1S/C9H17BO2/c1-7(2)10-11-8(3,4)9(5,6)12-10/h1H2,2-6H3

InChI key

SVSUYEJKNSMKKW-UHFFFAOYSA-N

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This Item
324647633348659851
vibrant-m

324647

Allylboronic acid pinacol ester

vibrant-m

633348

Vinylboronic acid pinacol ester

density

0.894 g/mL at 25 °C

density

0.896 g/mL at 25 °C (lit.)

density

0.908 g/mL at 25 °C (lit.)

density

0.922 g/mL at 25 °C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

−20°C

storage temp.

-

refractive index

n20/D 1.4320

refractive index

n20/D 1.4268 (lit.)

refractive index

n20/D 1.4300 (lit.)

refractive index

n20/D 1.433

bp

47-49 °C/9 mbar

bp

50-53 °C/5 mmHg (lit.)

bp

-

bp

146 °C

contains

phenothiazine as stabilizer

contains

-

contains

phenothiazine as stabilizer

contains

-

Application

Reagent used for
  • Palladium-catalyzed Suzuki-Miyaura cross-coupling processes
  • Inverse-electron-demand Diels-Alder reaction
  • Simmons-Smith Cyclopropanation Reaction
  • Polyene cyclization
  • Stereoselective aldol reactions
  • Grubbs cross-metathesis reaction
  • Intramolecular Suzuki-Miyaura reaction
  • Stereoselective cross-metathesis
  • Dipolar cycloaddition
  • Iodosulfonylation
  • Asymmetric conjugate addition and intramolecular hydroacylation

Reagent used in preparation of various therapeutic kinase and enzymatic inhibitors
Reagent used for
  • Palladium-catalyzed Suzuki-Miyaura cross-coupling reactions
  • Inverse-electron-demand Diels-Alder reaction
  • Simmons-Smith Cyclopropanation Reaction
  • Polyene cyclization
  • Stereoselective aldol reactions
  • Grubbs cross-metathesis reaction
  • Intramolecular Suzuki-Miyaura reaction
  • Stereoselective cross-metathesis
  • Dipolar cycloaddition
  • Iodosulfonylation
  • Asymmetric conjugate addition and intramolecular hydroacylation

Reagent used in preparation of various therapeutic kinase and enzymatic inhibitors

pictograms

FlameExclamation mark

signalword

Warning

Hazard Classifications

Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

107.6 °F

flash_point_c

42 °C

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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