Description

2-Ethyl-4-Methyl-1,3,2-Dioxaborinane is a versatile organoboron reagent, specifically a cyclic boronic ester, valued for its stability and reactivity in advanced synthetic chemistry. This compound serves as a crucial building block for the formation of carbon-boron bonds, enabling a wide range of cross-coupling and functional group transformations. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for the synthesis of complex molecules and novel materials.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for forming carbon-carbon bonds in the synthesis of biaryl compounds, central to many pharmaceutical and agrochemical actives.
• Pharmaceutical Intermediate Synthesis: Used in the preparation of complex drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring boron-containing motifs.
• Agrochemical Development: Employed in the research and production of advanced herbicides, fungicides, and insecticides.
• Materials Science & OLEDs: Acts as a precursor in the creation of organic light-emitting diode (OLED) materials and other functional polymers.
• Asymmetric Synthesis & Catalysis: Utilized in chiral synthesis and as a ligand or catalyst component in various transition metal-catalyzed processes.
• Protecting Group Chemistry: Serves as a protecting group for diols or as a masked boronic acid in multi-step synthetic sequences.

Basic Information

Product Name	2-Ethyl-4-Methyl-1,3,2-Dioxaborinane
CAS No.	57633-65-5
Molecular Formula	C7H13BO2
Molecular Weight	140.00 g/mol
Synonyms	4-Methyl-2-ethyl-1,3,2-dioxaborinane; 2-Ethyl-4-methyl-1,3,2-dioxaborinane; Ethylmethyl dioxaborinane; Cyclic ethylmethyl boronic ester; 1,3,2-Dioxaborinane, 2-ethyl-4-methyl-; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 2-Ethyl-4-Methyl-1,3,2-Dioxaborinane is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, GC, and HPLC, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, 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 in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 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.