Description

4-[4-(Methoxycarbonyl)Phenylethynyl]Benzeneboronic Acid Pinacol Ester, 95% is a high-purity, functionalized boronic ester derivative designed for advanced synthetic chemistry applications. This compound serves as a critical building block in cross-coupling reactions, enabling the precise construction of complex molecular architectures. It is essential for researchers and process chemists in the pharmaceutical, agrochemical, and materials science industries developing novel active ingredients and functional organic materials.

Application

• Pharmaceutical Intermediate: A key precursor in Suzuki-Miyaura cross-coupling reactions for synthesizing novel drug candidates, particularly in oncology and CNS therapeutic areas.
• Agrochemical Synthesis: Used to construct complex, bioactive molecules for next-generation herbicides, fungicides, and insecticides.
• Organic Electronic Materials: Serves as a monomer or building block for creating conjugated polymers and small molecules used in OLEDs, OFETs, and organic photovoltaics.
• Ligand and Catalyst Development: Employed in the synthesis of sophisticated ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Biology Probes: Utilized to create tagged molecules for studying biological pathways and protein interactions.
• Academic & Industrial R&D: A versatile reagent for method development and exploring new synthetic routes in research laboratories.

Basic Information

Product Name	4-[4-(Methoxycarbonyl)Phenylethynyl]Benzeneboronic Acid Pinacol Ester, 95%
CAS No.	1448637-05-5
Molecular Formula	C23H25BO4
Molecular Weight	376.26 g/mol
Synonyms	4-(4-Methoxycarbonylphenylethynyl)benzeneboronic acid pinacol ester; Methyl 4-((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)benzoate; 4-(4-Methoxycarbonylphenyl)ethynylphenylboronic acid pinacol ester; 4-[4-(Methoxycarbonyl)phenylethynyl]phenylboronic acid pinacol ester; 1448637-05-5; Boronic acid, B-[4-[2-[4-(methoxycarbonyl)phenyl]ethynyl]phenyl]-, 1,1-dimethylethyl ester
EINECS	Contact for details

Quality Control

Our 4-[4-(Methoxycarbonyl)Phenylethynyl]Benzeneboronic Acid Pinacol Ester is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques like HPLC, NMR, and GC-MS. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

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 product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening 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)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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