Description

4-Butylphenylboronic Acid Pinacol Ester is a high-purity, protected boronic acid derivative essential for modern synthetic chemistry. This compound serves as a critical building block in cross-coupling reactions, enabling the efficient construction of complex organic molecules. It is primarily utilized by researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries for drug discovery and fine chemical synthesis.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for forming carbon-carbon bonds between aryl halides and this boronic ester, widely used in pharmaceutical intermediate synthesis.
• Pharmaceutical Research & Development: Serves as a versatile building block for creating novel active pharmaceutical ingredients (APIs) and candidate molecules.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides requiring specific biphenyl or substituted phenyl structures.
• Material Science: Employed in the synthesis of organic semiconductors, liquid crystals, and polymers where the 4-butylphenyl moiety imparts specific electronic or physical properties.
• Chemical Biology & Probe Development: Useful for creating bioconjugates or molecular probes due to the stability of the pinacol ester group under various conditions.
• Catalyst & Ligand Preparation: Acts as a precursor for synthesizing specialized ligands used in homogeneous catalysis.

Basic Information

Product Name	4-Butylphenylboronic Acid Pinacol Ester
CAS No.	625458-85-7
Molecular Formula	C₁₆H₂₅BO₂
Molecular Weight	260.18 g/mol
Synonyms	4-Butylbenzeneboronic Acid Pinacol Ester; 2-(4-Butylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Pinacol (4-Butylphenyl)boronate; 4-n-Butylphenylboronic Acid Pinacol Ester; B-(4-Butylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 4-Butyl Phenyl Boronic Acid Pinacol Ester
EINECS	Contact for details

Quality Control

Our 4-Butylphenylboronic Acid Pinacol Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and process chemistry. Certificates of Analysis (COA) with detailed specifications are provided with every shipment.

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). The product is light-sensitive and should be handled under inert atmosphere when appropriate for prolonged use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥97.0% (Area %)
Water Content (KF)	≤0.5%
Residue on Ignition	≤0.1%

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