Description

2-(5-Hexyl-2-Thienyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is a high-value organoboron building block, specifically a thiophene-functionalized boronic ester, essential for advanced cross-coupling reactions. Its primary value lies in enabling the precise synthesis of complex organic molecules, particularly in the creation of novel materials with tailored electronic properties. This compound is critically needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and organic electronics industries for developing new active ingredients and functional materials.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for constructing carbon-carbon bonds between aryl/heteroaryl groups, fundamental in medicinal chemistry and material science.
• Pharmaceutical Intermediate Synthesis: Used in the research and development of new drug candidates, especially those containing thiophene or complex biaryl motifs.
• Organic Semiconductor Precursor: Serves as a critical monomer or building block for synthesizing conjugated polymers and small molecules used in OLEDs, OFETs, and organic photovoltaics.
• Agrochemical Research: Employed in the synthesis of novel herbicides, fungicides, and insecticides with specific activity profiles.
• Ligand and Catalyst Development: Used to create novel bidentate or polydentate ligands for transition metal catalysis.
• Material Science Research: Facilitates the development of advanced polymers, liquid crystals, and other functional organic materials with specific optical or electronic characteristics.

Basic Information

Product Name	2-(5-Hexyl-2-Thienyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane
CAS No.	917985-54-7
Molecular Formula	C16H27BO2S
Molecular Weight	294.26 g/mol
Synonyms	5-Hexyl-2-thiopheneboronic acid pinacol ester; 2-(5-Hexylthiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 5-Hexylthiophene-2-boronic acid pinacol ester; 2-(5-Hexyl-2-thienyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 5-Hexyl-2-thienylboronic acid pinacol ester; Pinacol 5-hexylthiophene-2-boronate
EINECS	Contact for details

Quality Control

Every batch of 2-(5-Hexyl-2-Thienyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is manufactured and tested under strict quality management systems to ensure high purity and batch-to-batch consistency, suitable for demanding R&D and scale-up applications. Our products undergo rigorous quality testing, including NMR and HPLC analysis, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

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. Due to its moisture-sensitive and easily oxidized nature, the container should be opened only under controlled, anhydrous conditions and resealed immediately after use.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
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.