Description

(4-Cyclobutylphenyl)Boronic Acid Pinacol Ester is a high-purity organoboron building block essential for modern synthetic chemistry. This compound matters as a key intermediate in Suzuki-Miyaura cross-coupling reactions, enabling the efficient construction of complex biaryl structures. It is primarily needed by pharmaceutical R&D teams and fine chemical manufacturers for developing new active pharmaceutical ingredients (APIs) and advanced materials.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of novel drug candidates, particularly those containing the 4-cyclobutylphenyl moiety.
• Suzuki-Miyaura Cross-Coupling Reactions: Serves as a versatile boronic ester partner for forming carbon-carbon bonds with aryl or vinyl halides under palladium catalysis.
• Agrochemical Research: Used in the development of new herbicides and fungicides with tailored properties.
• Material Science: Employed in the creation of organic electronic materials, such as those for OLEDs and semiconductors.
• Ligand Synthesis: Acts as a precursor for creating specialized ligands used in catalysis and metal-organic frameworks (MOFs).
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological systems.

Basic Information

Product Name	(4-Cyclobutylphenyl)Boronic Acid Pinacol Ester
CAS No.	2121513-90-2
Molecular Formula	C16H23BO2
Molecular Weight	258.17 g/mol
Synonyms	4-Cyclobutylbenzeneboronic Acid Pinacol Ester; (4-Cyclobutylphenyl)boronic Acid Pinacol Ester; 2-(4-Cyclobutylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Pinacol (4-Cyclobutylphenyl)boronate; B-(4-Cyclobutylphenyl)boronic Acid Pinacol Ester; 4-Cyclobutylphenylboronic Acid Pinacol Ester
EINECS	Contact for details

Quality Control

Our (4-Cyclobutylphenyl)Boronic Acid Pinacol Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and GC analysis, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is moisture-sensitive; keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥97.0%
Water Content (KF)	≤0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.