Description

4,4'-Biphenyldiboronic Acid Bis(Neopentyl Glycol) Ester is a high-purity, protected boronic acid derivative essential for modern synthetic chemistry. This compound is a critical building block in cross-coupling reactions, enabling the efficient and selective formation of carbon-carbon bonds. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for the development of novel organic molecules and functional polymers.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for constructing biaryl and conjugated systems in pharmaceutical intermediates and organic electronic materials.
• Pharmaceutical Synthesis: Used in the research and production of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Agrochemical Development: Serves as a building block for creating novel herbicides, fungicides, and plant growth regulators.
• Organic Light-Emitting Diodes (OLEDs): A precursor for synthesizing emissive and charge-transporting materials in display and lighting technologies.
• Polymer & Material Science: Enables the synthesis of conjugated polymers, metal-organic frameworks (MOFs), and other functional materials.
• Chemical Research & Development: A versatile tool for academic and industrial R&D in exploring new synthetic methodologies and molecular structures.

Basic Information

Product Name	4,4'-Biphenyldiboronic Acid Bis(Neopentyl Glycol) Ester
CAS No.	5487-93-4
Molecular Formula	C22H28B2O4
Molecular Weight	370.08 g/mol
Synonyms	4,4'-Biphenyldiboronic Acid Neopentyl Glycol Ester; 4,4'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,1'-biphenyl; 4,4'-Bis(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-1,1'-biphenyl; 4,4'-Bis(neopentyl glycolato)diboryl-1,1'-biphenyl; 1,1'-Biphenyl-4,4'-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane); 4,4'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)biphenyl; 4,4'-BPin Biphenyl; 4,4'-Biphenylbis(boronic acid pinacol ester)
EINECS	Contact for details

Quality Control

Our 4,4'-Biphenyldiboronic Acid Bis(Neopentyl Glycol) Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C or as indicated on the label. This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when possible to maintain stability and purity.

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.