Description

1,2-Bis(3-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Phenyl)Ethyne is a high-purity, bifunctional organoboron building block essential for advanced cross-coupling reactions. This compound matters for its role as a critical precursor in the synthesis of complex organic electronic materials and pharmaceutical intermediates, enabling precise molecular construction. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and materials science sectors, particularly for creating conjugated systems and novel molecular architectures.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: Serves as a key monomer or linker for constructing biaryl and extended π-conjugated systems in organic synthesis.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs), especially those requiring complex, rigid boron-containing scaffolds.
• Organic Electronic Materials: A fundamental building block for synthesizing organic semiconductors, OLED (Organic Light-Emitting Diode) materials, and other advanced optoelectronic components.
• Agrochemical Research: Employed in the discovery and synthesis of novel crop protection agents and herbicides with specific activity profiles.
• Polymer Chemistry: Facilitates the creation of specialty polymers and dendrimers with tailored properties through controlled polymerization techniques.
• Ligand Synthesis for Catalysis: Used to prepare sophisticated bidentate or multidentate ligands for transition metal catalysts.
• Chemical Biology Probes: Acts as a precursor for bioconjugation reagents and probes used in imaging and diagnostic applications.
• Material Science Research: Enables the development of novel metal-organic frameworks (MOFs) and covalent organic frameworks (COFs) for gas storage or separation.

Basic Information

Item	Details
Product Name	1,2-Bis(3-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Phenyl)Ethyne
CAS No.	1879010-27-1
Molecular Formula	C30H38B2O4
Molecular Weight	484.24 g/mol
Synonyms	1,2-Bis(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyne; 1,2-Di(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetylene; 3,3'-(Ethyne-1,2-diyl)bis(phenylboronic acid pinacol ester); Bis(3-((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyne; 1,2-Bis(3-boronic acid pinacol ester phenyl)acetylene; 1,2-Bis(3-(pinacolboronato)phenyl)acetylene; Bifunctional Arylboronic Ester Acetylene Linker
EINECS	Contact for details

Quality Control

Our 1,2-Bis(3-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Phenyl)Ethyne is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. All products undergo rigorous analytical testing, including NMR (¹H, ¹³C, ¹¹B), HPLC, and GC-MS, to verify identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory documentation needs.

Storage

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

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%
Single Impurity (HPLC)	≤ 1.0%

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