Description

4,4,5,5-Tetramethyl-2-[3-(4,4,5,5-Tetramethyl-1,3-Dioxolan-2-Yl)Phenyl]-1,3,2-Dioxaborolane is a high-purity, advanced boronic ester derivative, serving as a critical building block in modern synthetic chemistry. Its value lies in its exceptional stability and reactivity, making it a superior reagent for constructing complex molecular architectures via cross-coupling reactions. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and materials science industries who require reliable, high-quality intermediates for drug discovery and advanced polymer synthesis.

Application

• Pharmaceutical Intermediate: A key precursor in Suzuki-Miyaura cross-coupling reactions for synthesizing novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides requiring specific aryl-boron linkages.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for creating electron-transport materials and emissive layer components in display technologies.
• Ligand and Catalyst Development: Employed in the synthesis of sophisticated ligands for transition metal catalysis and organocatalysts.
• Polymer and Material Science: Facilitates the creation of novel conjugated polymers and organic frameworks for electronic and sensory applications.
• Chemical Biology & Proteomics: Utilized in the synthesis of molecular probes and tags for studying biological processes.

Basic Information

Product Name	4,4,5,5-Tetramethyl-2-[3-(4,4,5,5-Tetramethyl-1,3-Dioxolan-2-Yl)Phenyl]-1,3,2-Dioxaborolane
CAS No.	1799424-98-8
Molecular Formula	C21H32B2O4
Molecular Weight	370.09 g/mol
Synonyms	3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenylboronic acid pinacol ester; 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzeneboronic acid pinacol ester; 3-Pinacolatoborylphenylboronic acid pinacol ester; 1,3-Phenylenebis(boronic acid pinacol ester); m-Phenylenebis(boronic acid pinacol ester); 3-Bpin-phenyl-Bpin; m-Bis(Bpin)benzene; 3,3'-(1,3-Phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)
EINECS	Contact for details

Quality Control

Every batch of 4,4,5,5-Tetramethyl-2-[3-(4,4,5,5-Tetramethyl-1,3-Dioxolan-2-Yl)Phenyl]-1,3,2-Dioxaborolane is manufactured and tested under strict quality management systems. We guarantee high purity and lot-to-lot consistency through comprehensive analytical techniques including NMR, HPLC, and GC-MS. A detailed Certificate of Analysis (COA) specifying identity, purity, and impurity profiles is provided with each shipment to ensure compliance with your research and production specifications.

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). Due to its hygroscopic nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
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.