Description

4-Phenoxy-2-Methoxyphenylboronic Acid Pinacol Ester is a high-purity, protected boronic acid derivative essential for advanced organic synthesis. 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 research chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for the development of new active ingredients and functional materials.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for forming carbon-carbon bonds between aryl halides and this boronic ester, crucial for synthesizing biaryl structures found in many pharmaceuticals.
• Pharmaceutical Intermediate: Used in the research and development of novel active pharmaceutical ingredients (APIs), particularly for constructing complex aromatic and heteroaromatic scaffolds.
• Agrochemical Synthesis: Employed in creating advanced crop protection agents and herbicides that require specific biphenyl or phenoxy-phenyl motifs.
• Ligand and Catalyst Development: Serves as a precursor for synthesizing specialized ligands used in homogeneous catalysis and organometallic chemistry.
• Materials Science Research: Utilized in the development of organic electronic materials, such as those for OLEDs and semiconductors, where precise molecular structure is paramount.
• Chemical Biology Probes: Acts as a building block for creating labeled compounds and molecular probes used in biochemical and medicinal research.

Basic Information

Product Name	4-Phenoxy-2-Methoxyphenylboronic Acid Pinacol Ester
CAS No.	1196395-39-7
Molecular Formula	C19H23BO4
Molecular Weight	326.20 g/mol
Synonyms	4-Phenoxy-2-methoxyphenylboronic acid pinacol ester; 2-Methoxy-4-phenoxyphenylboronic acid pinacol ester; (4-Phenoxy-2-methoxyphenyl)boronic acid pinacol ester; B-[4-Phenoxy-2-methoxyphenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 4,4,5,5-Tetramethyl-2-(4-phenoxy-2-methoxyphenyl)-1,3,2-dioxaborolane; Pinacol (4-Phenoxy-2-methoxyphenyl)boronate
EINECS	Contact for details

Quality Control

Our 4-Phenoxy-2-Methoxyphenylboronic Acid Pinacol Ester is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards for fine chemical production, and specifications can be tailored to meet specific research or cGMP starting material requirements.

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). The compound is moisture-sensitive; keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to maintain optimal 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%

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