4 - Cyanophenylboronic acid pinacol ester, CAS No. 171364-82-2

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171364-82-2

Catalog No. EBD21618

CAS 171364-82-2

Name 4 - Cyanophenylboronic acid pinacol ester

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Basic Information

Synonyms: 4-cyanophenylboronicacidpinacolester 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile97% 4-cyanobenzeneboronicacid,pinacolester 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile,97% 4-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile 4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzonitrile 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile benzonitrile,4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-

Molecular Formula: C13H16BNO2

Molecular Weight: 229.08

MDL Number: MFCD03093897

Categories: Synthetic Chemistry > Organic Building Blocks > Boronic Acids and Boronic Esters Synthetic Chemistry > Organic Building Blocks > Cyano Compounds

Product Description:

4-Cyanophenylboronic acid pinacol ester is an organoboron compound featuring both a boronic ester (pinacol ester) and a cyano (nitrile) functional group on a phenyl ring. This bifunctional structure makes it a versatile building block in organic synthesis. The boronic ester group is stable to air and moisture, facilitating handling, and readily undergoes Suzuki-Miyaura cross-coupling reactions in the presence of a palladium catalyst. Its primary application is as a key synthetic intermediate in the construction of complex organic molecules, particularly in medicinal chemistry and materials science. The cyano group can serve as a precursor to various other functionalities, such as carboxylic acids, amides, or tetrazoles, allowing for further structural diversification. This compound is widely used in the synthesis of pharmaceuticals, agrochemicals, and functional materials like liquid crystals and organic semiconductors. As a commercially available and stable reagent, it is a staple in research and development laboratories for constructing biaryl systems and introducing functionalized aromatic units into target molecules. Standard safety precautions for handling organic compounds should be observed.

Physical Properties

Melting Point: 95-99 °C(lit.)

Boiling Point: 345.782 °C at 760 mmHg

Flash Point: 162.923 °C

Density: 1.066 g/cm3

Storage: Refrigerator (+4°C)

Analytical Data

Appearance: light yellow to orange or light tan crystalline powder