Description

(9,9-Dimethyl-9H-Fluoren-2,7-Diyl)Diboronic Acid is a high-purity, bifunctional boronic acid derivative that serves as a critical building block in advanced organic synthesis. Its value lies in enabling precise carbon-carbon bond formation via Suzuki-Miyaura cross-coupling reactions, a cornerstone of modern pharmaceutical and materials chemistry. This compound is essential for researchers and manufacturers in the fields of organic light-emitting diodes (OLEDs), pharmaceutical intermediates, and the development of novel conjugated polymers and small molecules.

Application

• OLED Materials Synthesis: A key precursor for constructing the core fluorene-based structures in host, emitter, and hole/electron transport materials used in display and lighting technologies.
• Pharmaceutical Intermediates: Employed in the synthesis of complex drug candidates, particularly those requiring rigid, planar fluorene scaffolds for targeted biological activity.
• Conjugated Polymers: Used in Suzuki polycondensation reactions to create high-performance polymers for organic electronics, including organic photovoltaics (OPVs) and field-effect transistors (OFETs).
• Liquid Crystal & Sensor Development: Serves as a building block for creating novel fluorene-derived liquid crystals and molecular sensors due to its defined geometry and reactivity.
• Cross-Coupling Reagent: Functions as a versatile reagent in palladium-catalyzed cross-coupling reactions to introduce the 9,9-dimethylfluorene moiety into complex molecular architectures.
• Material Science Research: Utilized in academic and industrial R&D for exploring new organic semiconducting materials and advanced functional molecules.

Basic Information

Product Name	(9,9-Dimethyl-9H-Fluoren-2,7-Diyl)Diboronic Acid
CAS No.	866100-14-3
Molecular Formula	C₁₅H₁₆B₂O₄
Molecular Weight	282.91 g/mol
Synonyms	2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-dimethylfluorene (common protected form); 9,9-Dimethylfluorene-2,7-diboronic acid; 2,7-Diborono-9,9-dimethylfluorene; 9,9-Dimethyl-2,7-fluorenediboronic acid; 9,9-Dimethyl-9H-fluorene-2,7-diyldiboronic acid; DMFL-DBA; Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-dimethyl-9H-fluorene
EINECS	Contact for details

Quality Control

Our (9,9-Dimethyl-9H-Fluoren-2,7-Diyl)Diboronic Acid is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity, critical for sensitive applications like OLED and pharmaceutical synthesis. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support compliance with relevant industry standards, and specifications can be tailored to meet specific research or cGMP requirements upon request.

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) and must be handled under an inert atmosphere (e.g., nitrogen or argon) when opened for use to prevent degradation. For long-term storage, consider storing under an inert gas in a desiccator.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 0.5% w/w
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.