721433

4-Ethynylphenylboronic acid pinacol ester

95%

• Synonym(s): 2-(4-Ethynylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
• Empirical Formula (Hill Notation): C₁₄H₁₇BO₂
• CAS Number: 1034287-04-1
• Molecular Weight: 228.09
• MDL number: MFCD16294504
• UNSPSC Code: 12352103
• PubChem Substance ID: 329763849
• NACRES: NA.22

Properties

• Assay: 95%
• form: solid
• mp: 66-70 °C
• SMILES string: CC1(C)OB(OC1(C)C)c2ccc(cc2)C#C
• InChI: 1S/C14H17BO2/c1-6-11-7-9-12(10-8-11)15-16-13(2,3)14(4,5)17-15/h1,7-10H,2-5H3
• InChI key: LOVNTFMVZVIASV-UHFFFAOYSA-N

Description

Application

4-Ethynylphenylboronic acid pinacol ester can be used:

• For the functionalization of platinum nanoparticles to leverage their photoluminescence properties.
• As an intermediate in the synthesis of covalent heterodyads of chlorophyll derivatives applicable as supramolecular light-harvesting systems.
• As an intermediate in the preparation of F-18 radiolabeled galectin-3 inhibitors, which are used as surrogate positron emission tomography (PET) tracers of TD139 and GB1107.

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable