Description

5-Methyl-2-Cyclohexene-1-One-3-Boronic Acid Pinacol Ester is a high-purity, advanced pharmaceutical intermediate and versatile building block in organic synthesis. This compound is valued for its role in facilitating key carbon-carbon bond-forming reactions, such as the Suzuki-Miyaura cross-coupling, which is critical for constructing complex molecular architectures. It is primarily sought after by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting complex organic molecules.
• Suzuki-Miyaura Cross-Coupling Reagent: Serves as a critical boron-containing partner for palladium-catalyzed cross-coupling reactions to form biaryl and other C-C bonds.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides requiring specific cyclic structures.
• Material Science Research: Employed as a building block for creating organic electronic materials, ligands for catalysts, and novel polymers.
• Academic & Industrial R&D: A valuable reagent for methodology development and exploring new synthetic pathways in organic chemistry laboratories.
• Fine Chemical Production: Integral in the multi-step synthesis of specialty flavors, fragrances, and performance chemicals.

Basic Information

Product Name	5-Methyl-2-Cyclohexene-1-One-3-Boronic Acid Pinacol Ester
CAS No.	1187055-94-2
Molecular Formula	C₁₃H₂₁BO₃
Molecular Weight	236.11 g/mol
Synonyms	3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-5-methylcyclohex-2-en-1-one; 5-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclohex-2-en-1-one; 5-Methyl-2-cyclohexen-1-one-3-boronic acid pinacol ester; Boronic acid, B-(5-methyl-3-oxo-1-cyclohexen-1-yl)-, 1,1-dimethylethyl ester
EINECS	Contact for details

Quality Control

Every batch of 5-Methyl-2-Cyclohexene-1-One-3-Boronic Acid Pinacol Ester is manufactured under strict quality management systems. Our products undergo rigorous quality testing, including HPLC, NMR, and GC analysis, to ensure high purity and consistency suitable for demanding synthetic applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request 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 a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when appropriate to maintain stability and purity.

Specification

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

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