Description

Diphenylacetylene-4,4'-Diboronic Acid Bis(Pinacol) Ester, 95% is a high-purity, bifunctional boronic ester building block essential for advanced organic synthesis. This compound matters for its role as a key precursor in cross-coupling reactions, enabling the precise construction of complex molecular architectures. It is critically needed by researchers and process chemists in the pharmaceutical, agrochemical, and materials science industries for developing new active ingredients and functional organic materials.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A versatile building block for creating biaryl and extended π-conjugated systems.
• Pharmaceutical Intermediate Synthesis: Used in the research and development of novel drug candidates and active pharmaceutical ingredients (APIs).
• Organic Light-Emitting Diode (OLED) Materials: Serves as a precursor for synthesizing electron-transport or emissive layer materials.
• Polymer and Materials Science: Enables the synthesis of conjugated polymers for electronic and optoelectronic applications.
• Agrochemical Research: Employed in creating new herbicide and pesticide molecules with specific activity profiles.
• Ligand and Catalyst Development: Useful for constructing sophisticated ligand frameworks in coordination chemistry.
• Chemical Biology Probes: Facilitates the synthesis of tagged molecules for studying biological processes.

Basic Information

Product Name	Diphenylacetylene-4,4'-Diboronic Acid Bis(Pinacol) Ester, 95%
CAS No.	849681-64-7
Molecular Formula	C30H38B2O4
Molecular Weight	484.24 g/mol
Synonyms	4,4'-(Ethyne-1,2-diyl)dibenzeneboronic acid bis(1,1,1,3,3,3-hexamethyl-2-propanyl) ester; 1,1'-(Ethynyl-1,2-diyl)bis[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene]; 4,4'-Di(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)tolan; Tolan-4,4'-diyldiboronic acid bis(pinacol) ester; Bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetylene; 4,4'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)diphenylacetylene; DPA-DBpin
EINECS	Contact for details

Quality Control

Our Diphenylacetylene-4,4'-Diboronic Acid Bis(Pinacol) Ester, 95% undergoes rigorous quality testing to ensure compliance with industry standards for research and process chemistry. Every batch is analyzed to confirm identity, purity, and consistency. Certificates of Analysis (COA) detailing specific lot results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%

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