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2-Naphthaleneboronic Acid (contains varying amounts of Anhydride)
(CAS RN:32316-92-0 Product Number:N0649)

Structure

2-Naphthaleneboronic Acid
Synonym 2-Naphthylboronic Acid (contains varying amounts of Anhydride)

General Information

Product Number N0649

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Purity/Analysis Method
Storage Temperature
M.F. / M.W. C10H9BO2=171.99
CAS RN 32316-92-0
Related CAS RN
MDL Number MFCD00236051
Packaging and Container
  • Product Details
  • Safety & Regulations

Specification

Purity(Neutralization titration) 97.0 to 112.0 %

References

Beilstein 16(3)1280
Reaxys-RN 2936449
PubChem SID 87573961

GHS

Pictogram
Signal Word Warning
Hazard Statements
  • H315
  • :Causes skin irritation.
  • H319
  • :Causes serious eye irritation.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P280
  • :Wear protective gloves, eye protection.
  • P302+P352+P332+P313+P362+P364
  • :IF ON SKIN: Wash with plenty of water. If skin irritation occurs: Get medical advice or attention. Take off contaminated clothing and wash it before reuse.
  • P305+P351+P338+P337+P313
  • :IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.

Transport Information

HS Number 2931399090

Application

Cyanation of Bronic Acids through Cross-Coupling Reaction

Typical Procedure:
Benzyl thiocyanate, the boronic acid (1.5 eq.), CuTC, and Pd(PPh3)4 (3 mol%) are added into a flask that is then flushed with argon. Dry and degassed 1,4-dioxane is added (2 mL for each 0.1 mmol benzyl thiocyanate). The brown suspension is stirred under argon at 100 ℃ for 12 h. Then Et2O (10 mL) is added and the reaction is washed with sat. NH4Cl followed by sat. Na2CO3 and then brine. After evaporation of the solvent, the residue is purified by preparative plate silica chromatography (hexane : AcOEt = 4 : 1) to give the desired nitrile compound.

References

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