Description

4,4,5,5-Tetramethyl-2-(Spiro[Fluorene-9,9'-Xanthen]-2'-Yl)-1,3,2-Dioxaborolane is a high-purity, advanced organic building block featuring a complex spiro-conjugated structure. This compound is critical for the synthesis of novel functional materials, particularly in the development of next-generation electronic and photonic devices. It is primarily utilized by R&D chemists and material scientists in the organic electronics, OLED, and pharmaceutical research sectors.

Application

• Organic Light-Emitting Diode (OLED) Materials: Serves as a key intermediate for synthesizing host, dopant, and electron-transport materials in display and lighting technologies.
• Organic Photovoltaics (OPV): Used in the development of novel donor or acceptor materials for efficient solar cell applications.
• Suzuki-Miyaura Cross-Coupling Reactions: Acts as a versatile boronic ester reagent for constructing complex conjugated molecular architectures.
• Fluorescent Probes and Sensors: The spiroxanthene-fluorene core is ideal for creating dyes and probes with high quantum yield and photostability for bio-imaging and chemical sensing.
• Pharmaceutical Intermediates: Employed in medicinal chemistry research for the synthesis of potential drug candidates with specific optical or electronic properties.
• Advanced Material Research: A foundational component for exploring new properties in non-linear optics (NLO), field-effect transistors (OFETs), and other electronic devices.

Basic Information

Product Name	4,4,5,5-Tetramethyl-2-(Spiro[Fluorene-9,9'-Xanthen]-2'-Yl)-1,3,2-Dioxaborolane
CAS No.	2106888-79-1
Molecular Formula	C31H27BO3
Molecular Weight	458.36 g/mol
Synonyms	2'-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)spiro[fluorene-9,9'-xanthene]; Spiro[fluorene-9,9'-xanthene]-2'-ylboronic acid pinacol ester; 2'-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-spiro[fluorene-9,9'-xanthene]; SFX-BPin; SFX-Pinacolboronate; 2'-(Pinacolatoboryl)spiro[fluorene-9,9'-xanthene]; 2'-Boronospiro[fluorene-9,9'-xanthene] pinacol ester
EINECS	Contact for details

Quality Control

Our 4,4,5,5-Tetramethyl-2-(Spiro[Fluorene-9,9'-Xanthen]-2'-Yl)-1,3,2-Dioxaborolane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency essential for sensitive R&D and scale-up processes. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

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 compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (argon or nitrogen) for long-term storage and when opening the container to prevent degradation.

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.