Description

9,9'-Spirobi[9H-Fluorene]-4-Ylboronicacid is a high-purity, functionalized boronic acid derivative featuring a rigid, three-dimensional spirobifluorene core. This compound is a critical advanced organic intermediate for constructing complex molecular architectures, particularly in the synthesis of high-performance materials. It is essential for researchers and manufacturers in the organic electronics, pharmaceutical, and specialty chemical sectors who require precise building blocks for Suzuki-Miyaura cross-coupling reactions.

Application

• Organic Light-Emitting Diode (OLED) Materials: A key precursor for synthesizing host, hole-transport, or electron-transport materials in display and lighting technologies.
• Pharmaceutical Intermediates: Used in the construction of complex drug candidates, especially those requiring rigid, conjugated scaffolds for targeted biological activity.
• Polymer Synthesis: Serves as a monomer or cross-linking agent for creating advanced polymers with specific optical or electronic properties.
• Metal-Organic Frameworks (MOFs): Employed as an organic linker to build porous, crystalline materials for gas storage, separation, or catalysis.
• Liquid Crystal Materials: Used in the development of novel liquid crystal compounds for display applications.
• Cross-Coupling Reactions: A versatile reagent for Suzuki-Miyaura coupling to form biaryl and other conjugated structures central to material science.

Basic Information

Product Name	9,9'-Spirobi[9H-Fluorene]-4-Ylboronicacid
CAS No.	1421789-05-0
Molecular Formula	C25H17BO2
Molecular Weight	360.22 g/mol
Synonyms	4-(9,9'-Spirobi[9H-fluorene]-4-yl)boronic acid; 9,9'-Spirobi[9H-fluorene]-4-boronic acid; 4-Borono-9,9'-spirobi[9H-fluorene]; SBF-4-Boronic Acid; 2,2'-Spirobi[fluorene]-4-boronic acid; 9,9'-Spirobifluorene-4-ylboronic Acid; 4-(9,9'-Spirobifluoren-4-yl)phenylboronic acid (related isomer); 4-(Spirobi[fluorene]-4-yl)benzeneboronic acid
EINECS	Contact for details

Quality Control

Our 9,9'-Spirobi[9H-Fluorene]-4-Ylboronicacid is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards and can support development under GMP guidelines for pharmaceutical applications upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and to maintain optimal reactivity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.