Description

Homoallylboronic Acid Pinacol Ester is a versatile organoboron building block, specifically a protected boronic acid derivative. Its primary value lies in enabling efficient carbon-carbon bond formation, particularly in Suzuki-Miyaura cross-coupling reactions, which are fundamental to modern synthetic organic chemistry. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity intermediates for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate Synthesis: A key reagent for constructing complex drug candidates, especially those containing olefinic side chains or requiring stereoselective synthesis.
• Agrochemical Development: Used in the synthesis of novel active ingredients for crop protection products.
• Material Science Research: Serves as a monomer or precursor in the development of functional polymers and organic electronic materials.
• Suzuki-Miyaura Cross-Coupling Reactions: The primary application, facilitating the efficient coupling with aryl or vinyl halides to form new carbon-carbon bonds.
• Academic & R&D Laboratories: A valuable tool for methodological development and the synthesis of novel organic compounds in research settings.
• Ligand and Catalyst Preparation: Can be utilized in the synthesis of specialized ligands or organometallic catalysts.

Basic Information

Product Name	Homoallylboronic Acid Pinacol Ester
CAS No.	331958-92-0
Molecular Formula	C11H21BO2
Molecular Weight	196.10 g/mol
Synonyms	4-Penten-1-ylboronic Acid Pinacol Ester; (4-Penten-1-yl)boronic Acid Pinacol Ester; Homoallylboronic Acid Pinanediol Ester (common alternative); 4-Pentenylboronic Acid Pinacol Ester; Pinacol (4-Pentenyl)boronate; B-(4-Pentenyl)boronic Acid Pinacol Ester; 1-Penten-4-ylboronic Acid Pinacol Ester; 331958-92-0
EINECS	Contact for details

Quality Control

Our Homoallylboronic Acid Pinacol Ester is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including NMR, GC, and HPLC analysis, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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, well-ventilated 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
Identification (NMR)	Conforms to structure
Purity (GC/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.