Description

Benzoic Acid, 2-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-, 1-Methylethyl Ester is a high-value organoboron building block, specifically a pinacol boronic ester derivative of isopropyl benzoate. This compound is essential for modern synthetic chemistry, enabling precise carbon-carbon bond formation through cross-coupling reactions. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for constructing complex molecular architectures.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for introducing the benzoate moiety into biaryl and heterobiaryl systems, crucial for pharmaceutical intermediates.
• Pharmaceutical Intermediate Synthesis: Used in the research and development of active pharmaceutical ingredients (APIs), particularly those containing substituted aromatic rings.
• Agrochemical Compound Development: Serves as a building block for creating novel herbicides, fungicides, and insecticides with specific activity profiles.
• Ligand and Catalyst Preparation: Employed in the synthesis of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Material Science Research: Used in the development of organic electronic materials, such as polymers for OLEDs and organic photovoltaics.
• Chemical Biology & Proteomics: Can be utilized as a probe or linker in bioconjugation chemistry and activity-based protein profiling.

Basic Information

Product Name	Benzoic Acid, 2-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-, 1-Methylethyl Ester
CAS No.	956229-66-6
Molecular Formula	C16H23BO4
Molecular Weight	290.16 g/mol
Synonyms	2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid isopropyl ester; Isopropyl 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate; 2-Boronobenzoic Acid Isopropyl Ester, Pinacol Ester; 2-(Pinacolatoboryl)benzoic Acid Isopropyl Ester; Isopropyl 2-(Pinacolatoboryl)benzoate; 2-Bpin Benzoic Acid Isopropyl Ester; (Isopropoxycarbonylphenyl)boronic Acid Pinacol Ester
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity, which is critical for sensitive cross-coupling reactions. Quality is verified by HPLC, NMR (¹H, ¹³C, ¹¹B), and GC analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality and regulatory documentation.

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 product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥97.0%
Purity (GC)	≥98.0%
Water Content (KF)	≤0.5%

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