Description

7-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Spiro[Fluorene-9,9'-Xanthene]-2-Carbonitrile is a sophisticated organic building block featuring a spirocyclic core functionalized with a boronic ester pinacol group and a nitrile moiety. This compound matters as a key intermediate in the synthesis of advanced materials, particularly for organic light-emitting diodes (OLEDs) and other optoelectronic applications, due to its rigid, planar structure and versatile reactivity. It is essential for R&D chemists and manufacturers in the fields of organic electronics, pharmaceutical chemistry, and materials science who require high-purity, functionalized intermediates for cross-coupling reactions and polymer synthesis.

Application

• OLED Emitter and Host Material Synthesis: Serves as a crucial precursor for constructing novel electron-transporting or host materials in organic light-emitting diode (OLED) displays and lighting.
• Suzuki-Miyaura Cross-Coupling Reactions: The pinacol boronic ester group enables efficient palladium-catalyzed coupling with aryl halides, facilitating the construction of complex conjugated molecular architectures.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs) that incorporate spirocyclic or xanthene scaffolds.
• Organic Semiconductor Development: A building block for n-type or ambipolar organic semiconductors used in organic field-effect transistors (OFETs) and photovoltaics.
• Fluorescent Probe and Sensor Fabrication: The spiroxanthene-fluorophore core can be utilized to develop chemical sensors and bio-imaging agents.
• Polymer and Dendrimer Chemistry: Functional monomer for creating high-performance polymers with specific optical or electronic properties.

Basic Information

Product Name	7-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Spiro[Fluorene-9,9'-Xanthene]-2-Carbonitrile
CAS No.	2259843-44-0
Molecular Formula	C34H28BNO3
Molecular Weight	509.41 g/mol
Synonyms	2-Cyano-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)spiro[fluorene-9,9'-xanthene]; SFX-BPin-CN; Spiro[fluorene-9,9'-xanthene]-2-carbonitrile, 7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-; 7-BPin-SFX-CN; 2-Cyano-7-(pinacolatoboryl)spiro[fluorene-9,9'-xanthene]; PIN-SFX-CN Boronic Ester
EINECS	Contact for details

Quality Control

Our 7-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Spiro[Fluorene-9,9'-Xanthene]-2-Carbonitrile is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR (1H, 13C, 11B), and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We can supply material compliant with research, development, and commercial production requirements across the electronics and fine chemical industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The compound is moisture-sensitive; keep the container tightly sealed under an inert atmosphere (argon or nitrogen) for long-term storage to prevent hydrolysis of the boronic ester group. Keep away from strong oxidizers.

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.