Description

Phenoxyphenyl-4-Boronic Acid Pinacol Ester is a high-purity, protected boronic acid derivative essential for modern synthetic chemistry. This compound matters as a critical building block in cross-coupling reactions, enabling the efficient construction of complex molecules. It is primarily needed by researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries for developing new active ingredients and advanced organic materials.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for forming carbon-carbon bonds between aryl halides and this boronic ester, widely used in medicinal chemistry.
• Pharmaceutical Intermediate Synthesis: Serves as a versatile building block in the research and development of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the synthesis of advanced crop protection agents and herbicides.
• Liquid Crystal and OLED Material Development: A precursor for creating complex organic molecules used in electronic displays and optoelectronic devices.
• Polymer Chemistry: Employed in the synthesis of specialty polymers and functional materials with tailored properties.
• Chemical Biology & Probe Development: Useful for creating molecular probes and bioconjugates for biological research and diagnostics.

Basic Information

Product Name	Phenoxyphenyl-4-Boronic Acid Pinacol Ester
CAS No.	269410-26-6
Molecular Formula	C18H21BO3
Molecular Weight	296.17 g/mol
Synonyms	4-(Phenoxy)phenylboronic acid pinacol ester; [4-(Phenoxy)phenyl]boronic acid pinacol ester; 4-Phenoxyphenylboronic acid pinacol ester; 2-[4-(Phenoxy)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Phenoxyphenyl-4-boronic acid pinacol ester; 4-Phenoxybenzeneboronic acid pinacol ester; Boronic acid, B-[4-(phenoxy)phenyl]-, 1,1-dimethylethyl ester
EINECS	Contact for details

Quality Control

Our Phenoxyphenyl-4-Boronic Acid Pinacol Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC analysis, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your R&D and quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). The product is moisture-sensitive; keep the container tightly sealed under an inert atmosphere for long-term storage to maintain optimal purity and reactivity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	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.