Description

2,2'-(4.5-Dimethoxy-1.2-Phenylene)Bis(4.4.5.5-Tetramethyl-1.3.2-Dioxaborolane) is a high-purity, advanced boronic ester building block essential for modern synthetic chemistry. Its value lies in its dual, symmetrically protected boronate groups, which enable efficient and selective cross-coupling reactions, particularly in complex molecule construction. This compound is critically needed by researchers and process chemists in the pharmaceutical, agrochemical, and materials science industries for developing new active ingredients and functional polymers. Its specific structure offers superior stability and reactivity for demanding synthetic pathways.

Application

• Pharmaceutical Intermediate Synthesis: A key precursor in Suzuki-Miyaura cross-coupling reactions for constructing biaryl motifs found in active pharmaceutical ingredients (APIs).
• Agrochemical Research & Development: Used to synthesize novel herbicide and fungicide candidates by introducing complex aromatic boronate functionalities.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a building block for creating advanced organic semiconductors and charge-transport materials.
• Ligand and Catalyst Development: Employed in the synthesis of novel bidentate ligands and organometallic catalysts for asymmetric synthesis.
• Polymer and Material Science: Facilitates the incorporation of aromatic boronate units into polymers for specialty materials with tailored properties.
• Chemical Biology & Probe Synthesis: Used to create molecular probes and tags for studying biological processes and diagnostics.

Basic Information

Product Name	2,2'-(4.5-Dimethoxy-1.2-Phenylene)Bis(4.4.5.5-Tetramethyl-1.3.2-Dioxaborolane)
CAS No.	1338078-40-2
Molecular Formula	C24H38B2O6
Molecular Weight	444.17 g/mol
Synonyms	1,2-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4,5-dimethoxybenzene; 4,5-Dimethoxy-1,2-phenylenebis(boronic acid) bis(pinacol) ester; 4,5-Dimethoxybenzene-1,2-diyldiboronic acid bis(pinacol ester); 1,2-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4,5-dimethoxybenzene; 4,5-Dimethoxy-1,2-phenylenebisboronic acid pinacol ester; Pinacol 4,5-dimethoxybenzene-1,2-diyldiboronate; 4,5-Dimethoxy-o-phenylenebis(boronic acid pinacol ester)
EINECS	Contact for details

Quality Control

Our 2,2'-(4.5-Dimethoxy-1.2-Phenylene)Bis(4.4.5.5-Tetramethyl-1.3.2-Dioxaborolane) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC, to ensure high purity and consistency suitable for research and scale-up applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent 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.