Description

[1,1':3',1''-Terphenyl]-4,4''-Dicarboxylic Acid, 5'-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-, 4,4''-Diethyl Ester is a high-purity, multifunctional organic building block featuring a terphenyl core with a pinacol boronate ester and diethyl ester functionalities. This compound matters for its role as a critical intermediate in advanced materials science, enabling precise molecular engineering through cross-coupling reactions. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and organic electronics industries for synthesizing complex molecules, polymers, and metal-organic frameworks (MOFs).

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates via Suzuki-Miyaura cross-coupling reactions.
• Organic Electronic Materials: Used in the development of organic semiconductors, hole/electron transport materials, and emitters for OLEDs and OFETs due to its extended conjugated system.
• Metal-Organic Framework (MOF) Synthesis: Acts as a functionalized organic linker to create novel MOFs with tailored pore sizes and surface properties for gas storage, separation, and catalysis.
• Polymer Chemistry: Incorporated as a monomer or co-monomer to produce high-performance polymers with specific optical, electronic, or mechanical properties.
• Agrochemical Research: Employed in the design and synthesis of novel herbicides, fungicides, and plant growth regulators.
• Ligand Synthesis for Catalysis: Utilized to create sophisticated ligands for transition metal catalysts used in asymmetric synthesis.
• Material Science Research: Fundamental research component for developing new functional materials, liquid crystals, and supramolecular assemblies.

Basic Information

Product Name	[1,1':3',1''-Terphenyl]-4,4''-Dicarboxylic Acid, 5'-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-, 4,4''-Diethyl Ester
CAS No.	1816997-27-9
Molecular Formula	C36H37BO6
Molecular Weight	576.49 g/mol
Synonyms	5'-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid diethyl ester; 4,4''-Diethyl 5'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1':3',1''-terphenyl]-4,4''-dicarboxylate; Diethyl 5'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1':3',1''-terphenyl]-4,4''-dicarboxylate; Terphenyl boronic ester pinacol ester; B-[4,4''-Bis(ethoxycarbonyl)-[1,1':3',1''-terphenyl]-5'-yl]boronic acid pinacol ester; 1816997-27-9; Terphenyl-4,4''-dicarboxylic acid derivative; Aromatic boronate ester intermediate
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Quality Control

Our [1,1':3',1''-Terphenyl]-4,4''-Dicarboxylic Acid, 5'-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-, 4,4''-Diethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and batch-to-batch consistency, meeting the stringent requirements of research and process development. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic (moisture-sensitive) nature, it is recommended to store the product under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Recommended storage temperature: 2-8°C for extended stability.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.