Description

1,3,2-Dioxaborolane, 2-[3-(9,9-Dimethyl-9H-Fluoren-4-Yl)Phenyl]-4,4,5,5-Tetramethyl- is a high-purity, functionalized organoboron compound featuring a fluorenyl-phenyl core, designed for advanced material synthesis. This compound is a critical building block (monomer) in the production of sophisticated polymers and organic electronic materials, where precise molecular structure dictates performance. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, OLED, and specialty polymer industries for constructing complex molecular architectures.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: Acts as a key boronic ester monomer for constructing conjugated systems in organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs).
• Pharmaceutical Intermediate: Serves as a versatile synthon in the synthesis of complex drug candidates, particularly those requiring fluorene-based scaffolds.
• Polymer Synthesis: Used as a co-monomer in the production of advanced engineering plastics and high-performance, light-emitting polymers.
• Material Science Research: Employed in the development of novel organic semiconductors, liquid crystals, and other functional materials.
• Ligand and Catalyst Preparation: Useful for creating specialized ligands for transition metal catalysts used in asymmetric synthesis.

Basic Information

Product Name	1,3,2-Dioxaborolane, 2-[3-(9,9-Dimethyl-9H-Fluoren-4-Yl)Phenyl]-4,4,5,5-Tetramethyl-
CAS No.	2311845-28-8
Molecular Formula	C29H31BO2
Molecular Weight	422.37 g/mol
Synonyms	2-(3-(9,9-Dimethyl-9H-fluoren-4-yl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 4,4,5,5-Tetramethyl-2-[3-(9,9-dimethyl-9H-fluoren-4-yl)phenyl]-1,3,2-dioxaborolane; (3-(9,9-Dimethyl-9H-fluoren-4-yl)phenyl)boronic acid pinacol ester; 3-(9,9-Dimethylfluoren-4-yl)phenylboronic acid pinacol ester; Fluorene-phenyl pinacol boronate
EINECS	Contact for details

Quality Control

Every batch of this advanced intermediate is produced under strict quality control protocols to ensure consistency and purity for sensitive synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity, identity, and impurity profiles. Our quality system is designed to support cGMP and ISO standards for traceability and reliability in your supply chain.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from incompatible materials such as strong oxidizers.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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