Description

9,9-Dimethyl-7-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-9H-Fluorene-2-Carbonitrile is a high-value, multi-functional organic building block featuring both a fluorene core and a protected boronic ester group. This compound matters for its critical role as a key intermediate in modern cross-coupling reactions, enabling the precise synthesis of complex organic molecules and advanced materials. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and organic electronics industries for constructing novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: A crucial building block in Suzuki-Miyaura cross-coupling reactions for synthesizing novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides requiring complex, functionalized aromatic structures.
• Organic Light-Emitting Diodes (OLEDs): Serves as a precursor for electron-transport materials and host materials in OLED displays and lighting due to the fluorene scaffold's optoelectronic properties.
• Organic Photovoltaics (OPVs): Employed in the synthesis of conjugated polymers and small molecules for solar cell applications.
• Material Science Research: Acts as a versatile monomer or precursor for creating advanced polymers, liquid crystals, and other functional materials.
• Chemical Synthesis & Catalysis: Utilized in academic and industrial research labs for methodological development in palladium-catalyzed coupling reactions.

Basic Information

Product Name	9,9-Dimethyl-7-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-9H-Fluorene-2-Carbonitrile
CAS No.	1539314-85-6
Molecular Formula	C24H26BNO2
Molecular Weight	371.28 g/mol
Synonyms	2-Cyano-9,9-dimethyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)fluorene; 9,9-Dimethyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)fluorene-2-carbonitrile; 7-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-dimethyl-9H-fluorene-2-carbonitrile; 9,9-Dimethyl-7-(pinacolatoboryl)-9H-fluorene-2-carbonitrile; 7-Pinacolatoboryl-9,9-dimethylfluorene-2-carbonitrile; Fluorene-2-carbonitrile, 9,9-dimethyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-; (2-Cyano-9,9-dimethyl-9H-fluoren-7-yl)boronic acid pinacol ester
EINECS	Contact for details

Quality Control

Our 9,9-Dimethyl-7-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-9H-Fluorene-2-Carbonitrile is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and consistent performance in sensitive coupling reactions. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	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.