Description

4-Benzyloxy-3,5-Dimethylphenylboronic Acid Pinacol Ester CAS NO 2121513-92-4 is a high-purity, protected boronic acid derivative essential for modern synthetic chemistry. This compound serves as a critical building block in cross-coupling reactions, enabling the efficient construction of complex molecular architectures. It is primarily utilized by researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries for drug discovery and fine chemical synthesis.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for forming carbon-carbon bonds between aryl halides and this protected boronate ester, fundamental in medicinal chemistry.
• Pharmaceutical Intermediate Synthesis: Used in the research and development of active pharmaceutical ingredients (APIs), particularly for constructing biaryl and heterobiaryl scaffolds.
• Agrochemical Product Development: Employed in creating novel herbicides, fungicides, and insecticides that require specific aryl-aryl linkages.
• Ligand and Catalyst Preparation: Acts as a precursor for synthesizing specialized ligands used in asymmetric catalysis and transition metal complexes.
• Material Science Research: Utilized in the development of organic electronic materials, such as OLEDs and conductive polymers, where precise molecular structure is critical.
• Chemical Biology & Probe Development: Incorporated into molecular probes and tags for studying biological processes and target engagement.

Basic Information

Product Name	4-Benzyloxy-3,5-Dimethylphenylboronic Acid Pinacol Ester
CAS No.	2121513-92-4
Molecular Formula	C21H27BO3
Molecular Weight	338.25 g/mol
Synonyms	4-(Benzyloxy)-3,5-dimethylbenzeneboronic Acid Pinacol Ester; (4-(Benzyloxy)-3,5-dimethylphenyl)boronic Acid Pinacol Ester; 2-[4-(Benzyloxy)-3,5-dimethylphenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 4-Benzyloxy-3,5-dimethylbenzeneboronic Acid Pinacol Ester; B-[4-(Benzyloxy)-3,5-dimethylphenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Pinacol 4-Benzyloxy-3,5-dimethylphenylboronate
EINECS	Contact for details

Quality Control

Every batch of our 4-Benzyloxy-3,5-Dimethylphenylboronic Acid Pinacol Ester is manufactured under strict quality management systems and undergoes comprehensive analytical testing. We ensure high lot-to-lot consistency and purity suitable for demanding research and scale-up applications. A detailed Certificate of Analysis (COA) providing purity, identity, and impurity profiles is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under inert atmosphere or in a dry environment to maintain stability and purity. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥97.0%
Purity (HPLC, Area%)	≥98.0%
Water Content (KF)	≤0.5%

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