Description

2-(5-Ethyl-2-Methoxyphenyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is a high-purity boronic ester derivative, a critical intermediate in modern synthetic organic chemistry. Its primary value lies in enabling efficient and selective Suzuki-Miyaura cross-coupling reactions, a cornerstone methodology for constructing complex biaryl and heterobiaryl structures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality building blocks for drug discovery, ligand synthesis, and functional polymer development.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing active pharmaceutical ingredients (APIs) and drug candidates, particularly those containing complex aryl-aryl linkages.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides that require specific biphenyl or heterocyclic frameworks.
• Material Science: Serves as a monomer or functionalization agent in the development of organic electronic materials, such as OLEDs, OFETs, and conductive polymers.
• Ligand & Catalyst Development: Employed in the synthesis of sophisticated ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Research & Development: A versatile reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating novel chemical entities.
• Fine Chemical Production: Integral to the multi-step synthesis of specialty fine chemicals and advanced intermediates for various high-value industries.

Basic Information

Product Name	2-(5-Ethyl-2-Methoxyphenyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane
CAS No.	868167-66-2
Molecular Formula	C₁₅H₂₃BO₃
Molecular Weight	262.15 g/mol
Synonyms	5-Ethyl-2-Methoxyphenylboronic Acid Pinacol Ester; (5-Ethyl-2-Methoxyphenyl)boronic Acid Pinacol Ester; 2-Methoxy-5-ethylbenzeneboronic Acid Pinacol Ester; 2-(5-Ethyl-2-Methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 868167-66-2; 5-Ethyl-2-methoxybenzeneboronic Acid Pinacol Ester; Pinacol (5-Ethyl-2-Methoxyphenyl)boronate
EINECS	Contact for details

Quality Control

Our 2-(5-Ethyl-2-Methoxyphenyl)-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 analysis, to ensure high chemical purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles to support your quality assurance and regulatory needs.

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 product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for prolonged storage or when opening the container 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.