Description

4-Formylphenylboronic Acid Pinacol Cyclic Ester is a high-value, protected boronic acid derivative essential for modern synthetic chemistry. This compound serves as a key protected intermediate, offering enhanced stability and handling characteristics compared to its free boronic acid form. It is primarily utilized by researchers and process chemists in the pharmaceutical, agrochemical, and materials science industries for Suzuki-Miyaura cross-coupling reactions and other advanced synthetic transformations.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing complex drug molecules, especially in the development of kinase inhibitors and other targeted therapies.
• Agrochemical Synthesis: Used in the research and production of novel pesticides and herbicides, leveraging its cross-coupling capability to create diverse aromatic structures.
• Materials Science & OLED Development: Employed in the synthesis of organic semiconductors, light-emitting materials, and advanced polymers for electronic applications.
• Academic & R&D Laboratories: A versatile reagent for methodological development in organic synthesis and catalysis research.
• Chemical Library Production: Facilitates the rapid generation of diverse compound libraries for high-throughput screening in drug discovery.
• Ligand & Catalyst Preparation: Serves as a precursor for synthesizing specialized ligands and organometallic catalysts.

Basic Information

Product Name	4-Formylphenylboronic Acid Pinacol Cyclic Ester
CAS No.	128376-64-7
Molecular Formula	C₁₃H₁₇BO₃
Molecular Weight	232.08 g/mol
Synonyms	4-Formylbenzeneboronic Acid Pinacol Ester; (4-Formylphenyl)boronic Acid Pinacol Ester; 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde; 4-Formylphenylboronic Acid Pinacol Ester; 4-(Pinacolatoboryl)benzaldehyde; 4-Boronobenzaldehyde Pinacol Ester; 4-Carboxybenzaldehyde Pinacol Boronate Ester (common misnomer); 4-Formylphenyl-Bpin
EINECS	Contact for details

Quality Control

Our 4-Formylphenylboronic Acid Pinacol Cyclic Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with customer specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under inert atmosphere (e.g., nitrogen or argon) for prolonged storage or when opening the container to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥97.0%
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.