Description

4,4,5,5-Tetramethyl-2-(Selenophen-2-Yl)-1,3,2-Dioxaborolane CAS NO 1338368-18-5 is a high-purity organoboron reagent featuring a selenophene heterocycle, making it a valuable building block for advanced material synthesis. This compound is critical for researchers and manufacturers requiring precise molecular control in the development of novel electronic and pharmaceutical compounds. It is primarily utilized by the pharmaceutical, agrochemical, and materials science industries for applications in cross-coupling reactions and as a precursor for complex molecular architectures.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key boron reagent for constructing carbon-carbon bonds in the synthesis of complex organic molecules, particularly those incorporating selenium heterocycles.
• Pharmaceutical Intermediate: Serves as a crucial precursor in the research and development of new active pharmaceutical ingredients (APIs) and drug candidates.
• Organic Electronic Materials: Used in the synthesis of novel organic semiconductors, OLED (Organic Light-Emitting Diode) materials, and conductive polymers where the selenophene unit enhances charge transport properties.
• Agrochemical Research: Employed as a building block for developing new crop protection agents and herbicides with unique modes of action.
• Ligand and Catalyst Development: Acts as a starting material for creating specialized ligands and organometallic catalysts used in asymmetric synthesis.
• Material Science Research: Facilitates the creation of novel functional materials for sensors, non-linear optics, and advanced coatings.

Basic Information

Product Name	4,4,5,5-Tetramethyl-2-(Selenophen-2-Yl)-1,3,2-Dioxaborolane
CAS No.	1338368-18-5
Molecular Formula	C12H19BO2Se
Molecular Weight	285.05 g/mol
Synonyms	2-(Selenophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 2-(2-Selenienyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Selenophene-2-boronic acid pinacol ester; 2-(Selenophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborinane; Pinacol (2-selenienyl)boronate; 2-Selenophenylboronic acid pinacol ester; (Selenophen-2-yl)boronic acid pinacol ester
EINECS	Contact for details

Quality Control

Our 4,4,5,5-Tetramethyl-2-(Selenophen-2-Yl)-1,3,2-Dioxaborolane is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity for research and production. Each lot undergoes rigorous analytical testing, including NMR (1H, 13C, 11B), HPLC, and elemental analysis, to confirm identity and purity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

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 must be handled under an inert atmosphere (argon or nitrogen) to prevent degradation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (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.