Description

Spiro[9H-Fluorene-9,9'-[9H]Xanthene], 3-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)- is a high-value, advanced organic building block featuring a spiro-conjugated core functionalized with a boronic ester pinacol group. This compound matters for its critical role in Suzuki-Miyaura cross-coupling reactions, a cornerstone methodology in modern synthetic chemistry for constructing complex carbon-carbon bonds. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and organic electronics sectors for synthesizing novel functional materials and active ingredients.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of complex drug candidates, especially those requiring spiro or rigid fused-ring architectures.
• Organic Light-Emitting Diode (OLED) Materials: Used in the development of host, emitter, or charge-transport materials for displays and lighting due to its conjugated, rigid spiro structure.
• Agrochemical Synthesis: Intermediate for creating novel pesticides and herbicides with enhanced stability and activity.
• Material Science Research: Serves as a precursor for organic semiconductors, dyes, and photochromic compounds.
• Cross-Coupling Reactions: Specifically designed as a boronic ester reagent for efficient, palladium-catalyzed Suzuki-Miyaura couplings with aryl/heteroaryl halides.
• Ligand and Catalyst Development: Potential scaffold for constructing sophisticated chelating ligands in catalysis.

Basic Information

Product Name	Spiro[9H-Fluorene-9,9'-[9H]Xanthene], 3-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-
CAS No.	2225963-98-2
Molecular Formula	C31H27BO3
Molecular Weight	458.36 g/mol
Synonyms	3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)spiro[fluorene-9,9'-xanthene]; SFX-BPin; Spiro(fluorene-9,9'-xanthene)-3-boronic acid pinacol ester; 3-Borono-SFX pinacol ester; 2-(Spiro[fluorene-9,9'-xanthen]-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 3-SFX-BPin; CAS 2225963-98-2
EINECS	Contact for details

Quality Control

Our Spiro[9H-Fluorene-9,9'-[9H]Xanthene] boronic ester is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and structural integrity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. For long-term storage, it is recommended to keep the material under an inert atmosphere (e.g., nitrogen or argon) at temperatures between 2°C and 8°C to maintain stability.

Specification

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