Description

3-(Isobutanoy)Phenylboronic Acid Pinacol Ester 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 research and development chemists in the pharmaceutical, agrochemical, and advanced materials industries for the synthesis of novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key precursor in Suzuki-Miyaura cross-coupling reactions for synthesizing biaryl structures found in active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides requiring specific aryl-boronate functionalities.
• Material Science Research: Building block for creating organic electronic materials, such as those used in OLEDs and organic photovoltaics.
• Chemical Biology & Proteomics: Useful in the development of molecular probes and inhibitors for studying biological pathways.
• Catalyst & Ligand Development: Serves as a starting material for synthesizing novel ligands used in asymmetric catalysis.
• Custom Synthesis & Contract Manufacturing: A valuable reagent for custom synthesis houses serving the life sciences sector.

Basic Information

Product Name	3-(Isobutanoy)Phenylboronic Acid Pinacol Ester
CAS No.	2216004-10-1
Molecular Formula	C₁₇H₂₅BO₃
Molecular Weight	288.19 g/mol
Synonyms	[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl] isopropyl ketone; 3-Isobutyrylphenylboronic acid pinacol ester; (3-(Isobutanoyl)phenyl)boronic acid pinacol ester; 3-Acetylphenylboronic acid pinacol ester, isopropyl variant; PINACOL [3-(2-Methylpropanoyl)phenyl]boronate; B-[3-(2-Methyl-1-oxopropyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
EINECS	Contact for details

Quality Control

Our 3-(Isobutanoy)Phenylboronic Acid Pinacol Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC, to ensure high chemical purity and identity confirmation. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency and support your quality assurance protocols.

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). Keep the container sealed to protect this light-sensitive material from moisture and atmospheric 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%
Assay	≥ 95.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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