Description

4,4,5,5-Tetramethyl-2-(Spiro[Fluorene-9,9'-Xanthen]-4-Yl)-1,3,2-Dioxaborolane is a high-value, advanced organic boronic ester derivative, serving as a critical building block in modern synthetic chemistry. Its core value lies in enabling precise Suzuki-Miyaura cross-coupling reactions, a cornerstone for constructing complex organic frameworks. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, particularly in the development of OLED materials, pharmaceuticals, and specialty polymers. The CAS number for this compound is 1609484-75-4.

Application

• OLED Material Synthesis: A key intermediate for constructing electron-transporting and host materials in organic light-emitting diodes (OLEDs) for displays and lighting.
• Pharmaceutical Intermediate: Used in Suzuki cross-coupling reactions to create complex biaryl structures found in active pharmaceutical ingredients (APIs).
• Agrochemical Development: Employed in the synthesis of novel herbicides, fungicides, and insecticides requiring specific aromatic architectures.
• Polymer & Material Science: Serves as a monomer or functionalization agent for creating specialty polymers with tailored electronic or optical properties.
• Ligand & Catalyst Design: Utilized in the preparation of sophisticated ligands for catalysis and metal-organic frameworks (MOFs).
• Academic & Industrial R&D: A vital reagent for exploratory research in synthetic methodology and new material discovery.

Basic Information

Product Name	4,4,5,5-Tetramethyl-2-(Spiro[Fluorene-9,9'-Xanthen]-4-Yl)-1,3,2-Dioxaborolane
CAS No.	1609484-75-4
Molecular Formula	C31H27BO3
Molecular Weight	458.36 g/mol
Synonyms	4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)spiro[fluorene-9,9'-xanthene]; 2-(Spiro[Fluorene-9,9'-Xanthen]-4-Yl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane; Spiro[Fluorene-9,9'-Xanthene]-4-Boronic Acid Pinacol Ester; 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-9'H-spiro[fluorene-9,9'-xanthene]; SFX-BPin; SFX-Boronic Ester; 4-Borono-9'H-spiro[fluorene-9,9'-xanthene] pinacol ester
EINECS	Contact for details

Quality Control

Our production of 4,4,5,5-Tetramethyl-2-(Spiro[Fluorene-9,9'-Xanthen]-4-Yl)-1,3,2-Dioxaborolane adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive applications. Each lot undergoes comprehensive analysis, including HPLC for purity and NMR for structural confirmation. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We support cGMP and ISO 9001 compliant manufacturing practices upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic (moisture-sensitive) nature, the container should be kept sealed under an inert atmosphere (argon or nitrogen) when not in use. Recommended long-term storage temperature is 2-8°C (refrigerated) for optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (H-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.