Description

4,4,5,5-Tetramethyl-2-(3-Methylfuran-2-Yl)-1,3,2-Dioxaborolane CAS NO 921938-69-4 is a high-value, heterocyclic boronic ester derivative, serving as a critical building block in modern synthetic chemistry. Its primary value lies in enabling efficient Suzuki-Miyaura cross-coupling reactions, a cornerstone methodology for forming carbon-carbon bonds under mild conditions. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-purity intermediates for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly for constructing biaryl and heterobiaryl motifs.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides requiring specific furan-containing structures.
• Material Science Research: Building block for creating organic electronic materials, such as polymers and small molecules for OLEDs and organic photovoltaics.
• Ligand and Catalyst Development: Intermediate in the preparation of specialized ligands and organometallic catalysts.
• Chemical Biology Probes: Utilized in the synthesis of molecular probes and tags for studying biological processes.
• Academic & R&D Laboratories: Fundamental reagent for methodological development and exploring new synthetic pathways in organic chemistry.

Basic Information

Product Name	4,4,5,5-Tetramethyl-2-(3-Methylfuran-2-Yl)-1,3,2-Dioxaborolane
CAS No.	921938-69-4
Molecular Formula	C₁₃H₂₁BO₃
Molecular Weight	236.12 g/mol
Synonyms	2-(3-Methylfuran-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 3-Methyl-2-furanylboronic acid pinacol ester; (3-Methylfuran-2-yl)boronic acid pinacol ester; 2-(3-Methyl-2-furanyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 3-Methyl-2-furanylboronic acid, pinacol ester; Pinacol (3-methylfuran-2-yl)boronate
EINECS	Contact for details

Quality Control

Our 4,4,5,5-Tetramethyl-2-(3-Methylfuran-2-Yl)-1,3,2-Dioxaborolane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including NMR (¹H, ¹³C, ¹¹B), HPLC, and GC analysis, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment supports applications requiring high-purity intermediates for GMP and research purposes.

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 compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and to maintain optimal purity. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (NMR)	Conforms to structure
Purity (HPLC/GC)	≥95.0% (Typical 97-99%)
Water Content (KF)	≤0.5%

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