Description

2-Benzyl-3-Methoxy-3-Oxopropylboronic Acid Pinacol Ester is a high-purity, synthetically valuable organoboron reagent, specifically a protected boronic acid ester. This compound is a critical building block in modern organic synthesis, enabling the formation of carbon-carbon bonds through cross-coupling reactions. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for the efficient construction of complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in Suzuki-Miyaura cross-coupling reactions for constructing biaryl and other carbon-carbon bonds in active pharmaceutical ingredient (API) development.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides that require specific boronic ester functionalities.
• Material Science Research: Serves as a precursor for creating organic electronic materials, such as polymers and small molecules for OLEDs and organic photovoltaics.
• Chemical Biology & Probe Development: Employed in the synthesis of molecular probes and bioconjugates for studying biological processes and drug discovery.
• Academic & Industrial R&D: A versatile reagent for methodology development and exploring new synthetic routes in organic chemistry laboratories.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of bespoke compounds and proprietary intermediates.

Basic Information

Product Name	2-Benzyl-3-Methoxy-3-Oxopropylboronic Acid Pinacol Ester
CAS No.	1243540-13-7
Molecular Formula	C₁₇H₂₅BO₄
Molecular Weight	304.19 g/mol
Synonyms	2-Benzyl-3-methoxy-3-oxopropylboronic acid pinacol ester; (2-Benzyl-3-methoxy-3-oxopropyl)boronic acid pinacol ester; 2-(Benzyl)-3-methoxy-3-oxopropylboronic acid pinacol ester; Pinacol (2-benzyl-3-methoxy-3-oxopropyl)boronate; 3-Methoxy-2-benzyl-3-oxopropylboronic acid pinacol ester; Boronic acid, B-(2-benzyl-3-methoxy-3-oxopropyl)-, 1,1,1',1'-tetramethyl-2,2'-bi-1,3,2-dioxaborolane-4,4'-diyl ester; CAS 1243540-13-7
EINECS	Contact for details

Quality Control

Our 2-Benzyl-3-Methoxy-3-Oxopropylboronic 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 structural identity. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency and reliability for your critical synthetic applications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C in a cool, dry place. This compound is easily oxidized and moisture-sensitive; prolonged exposure to air or ambient conditions should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥95% (Typical 97-99%)
Assay (NMR)	≥95%
Water Content (KF)	≤0.5%

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