Description

4,4,5,5-Tetramethyl-2-[1,1':3',1''-Terphenyl]-4-Yl-1,3,2-Dioxaborolane is a high-purity, advanced boronic ester derivative, specifically designed as a critical building block in sophisticated organic synthesis. Its value lies in providing a stable, reactive handle for cross-coupling reactions, enabling the precise construction of complex molecular architectures. This compound is essential for researchers and process chemists in pharmaceutical development, materials science, and advanced electronics who require reliable, high-quality intermediates for creating novel compounds. The CAS number for this product is 1385826-84-5.

Application

This specialized boronic ester is a key intermediate in modern synthetic chemistry, primarily serving as a coupling partner in transition-metal catalyzed reactions.

• Suzuki-Miyaura Cross-Coupling Reactions: As a pivotal component for constructing biaryl and extended π-conjugated systems.
• Pharmaceutical Intermediate Synthesis: For the research and development of active pharmaceutical ingredients (APIs) and drug candidates.
• Organic Light-Emitting Diode (OLED) Materials: In the synthesis of electron-transport or host materials requiring specific terphenyl-based structures.
• Liquid Crystal and Advanced Polymer Synthesis: For creating monomers with rigid, aromatic backbones to tune material properties.
• Agrochemical Research: As a building block for novel compounds with potential biological activity.
• Academic and Industrial R&D: For methodological development in catalysis and new bond-forming reactions.

Basic Information

Product Name	4,4,5,5-Tetramethyl-2-[1,1':3',1''-Terphenyl]-4-Yl-1,3,2-Dioxaborolane
CAS No.	1385826-84-5
Molecular Formula	C30H31BO2
Molecular Weight	434.38 g/mol
Synonyms	[1,1':3',1''-Terphenyl]-4-ylboronic acid, pinacol ester; 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1,1':3',1''-terphenyl; 4-Terphenyl-4'-ylboronic acid pinacol ester; 4'-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1':3',1''-terphenyl]; p-Terphenyl-4-boronic acid pinacol ester
EINECS	Contact for details

Quality Control

Our 4,4,5,5-Tetramethyl-2-[1,1':3',1''-Terphenyl]-4-Yl-1,3,2-Dioxaborolane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for research and production. Each lot is analyzed using advanced techniques including NMR and HPLC to verify identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is 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). This compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when possible to maintain stability and prevent hydrolysis.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (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.