Description

2-[4-(4-Chlorophenyl)Phenyl]-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is a high-purity boronic ester derivative, a crucial intermediate in modern synthetic organic chemistry. Its primary value lies in enabling efficient Suzuki-Miyaura cross-coupling reactions, a cornerstone methodology for constructing complex biaryl systems. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality building blocks for drug discovery, ligand synthesis, and functional polymer development.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing biphenyl or substituted biphenyl motifs.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides that require specific chlorinated biaryl structures.
• Material Science: Serves as a monomer or precursor in the development of organic electronic materials, such as OLEDs, OFETs, and conductive polymers.
• Ligand & Catalyst Development: Employed in the creation of novel bidentate or monodentate ligands for transition metal catalysis.
• Chemical Research: A versatile reagent for academic and industrial R&D focused on palladium-catalyzed C-C bond formation and library synthesis.
• Fine Chemical Production: Integral to the multi-step synthesis of complex dyes, pigments, and other specialty chemicals.

Basic Information

Product Name	2-[4-(4-Chlorophenyl)Phenyl]-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane
CAS No.	942589-53-9
Molecular Formula	C18H20BClO2
Molecular Weight	314.61 g/mol
Synonyms	4'-(4-Chlorophenyl)-[1,1'-biphenyl]-4-ylboronic acid pinacol ester; 4-(4-Chlorophenyl)phenylboronic acid pinacol ester; [1,1'-Biphenyl]-4-boronic acid, 4'-chloro-, 1,1-dimethylethyl ester; 4-Chloro-4'-biphenylboronic acid pinacol ester; (4'-(4-Chlorophenyl)biphenyl-4-yl)boronic acid pinacol ester; 2-(4'-(4-Chlorophenyl)-[1,1'-biphenyl]-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
EINECS	Contact for details

Quality Control

Our 2-[4-(4-Chlorophenyl)Phenyl]-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistency suitable for demanding synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is 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 product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage or after opening to prevent decomposition.

Specification

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

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