Description

9,9-Diphenylfluorene-2-Boronic Acid Pinacol Ester is a high-purity, advanced organic intermediate belonging to the class of boronic acid pinacol esters. This compound is a critical building block in modern synthetic chemistry, valued for its stability and reactivity in key cross-coupling reactions. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for constructing complex molecular architectures.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for the palladium-catalyzed formation of carbon-carbon bonds, essential for synthesizing complex biaryl structures found in active pharmaceutical ingredients (APIs) and organic electronic materials.
• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those containing extended conjugated or fluorene-based scaffolds for therapeutic applications.
• Organic Light-Emitting Diodes (OLEDs): Used in the development of advanced organic semiconductors, hole-transport materials, and emissive layers due to the fluorene core's favorable photophysical properties.
• Agrochemical Synthesis: Employed in creating novel herbicides, fungicides, and insecticides that require specific, sterically hindered biaryl linkages.
• Ligand and Catalyst Development: Acts as a starting material for synthesizing specialized ligands used in asymmetric catalysis and other transition metal-catalyzed processes.
• Materials Science Research: A valuable monomer or building block for creating polymers and small molecules with tailored electronic properties for optoelectronic devices.

Basic Information

Product Name	9,9-Diphenylfluorene-2-Boronic Acid Pinacol Ester
CAS No.	462128-39-8
Molecular Formula	C31H29BO2
Molecular Weight	444.37 g/mol
Synonyms	2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-diphenylfluorene; 9,9-Diphenylfluoren-2-ylboronic Acid Pinacol Ester; 9,9-Diphenyl-2-fluorenylboronic Acid Pinacol Ester; (9,9-Diphenylfluoren-2-yl)boronic Acid Pinacol Ester; 2-(9,9-Diphenylfluoren-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 9,9-Diphenyl-2-fluorerylboronic Acid Pinacol Ester; DPF-BPin
EINECS	Contact for details

Quality Control

Our 9,9-Diphenylfluorene-2-Boronic Acid Pinacol Ester is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for demanding synthetic applications. Each lot is characterized by advanced analytical techniques including NMR, HPLC, and mass spectrometry. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). The compound is light-sensitive and should be handled under an inert atmosphere for prolonged manipulations to ensure long-term stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
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.