Description

Potassium 5-Methylfuran-2-Trifluoroborate is a versatile organotrifluoroborate salt, a crucial building block in modern synthetic chemistry. Its value lies in its enhanced stability and handling properties compared to traditional boronic acids, facilitating efficient cross-coupling reactions. This reagent is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials industries seeking to construct complex molecular architectures with precision.

Application

• Pharmaceutical Intermediate Synthesis: A key reagent in Suzuki-Miyaura cross-coupling reactions for constructing biaryl and heteroaryl motifs prevalent in active pharmaceutical ingredients (APIs).
• Agrochemical Development: Used in the synthesis of novel herbicides, fungicides, and insecticides that require specific furan-based heterocyclic structures.
• Material Science Research: Serves as a precursor for creating functionalized organic materials, including conjugated polymers and liquid crystals.
• Chemical Biology & Probe Development: Enables the site-specific incorporation of 5-methylfuran moieties into complex biomolecules for labeling and study.
• Fine Chemical Manufacturing: Employed in the scalable production of specialty chemicals and complex organic compounds where robust coupling partners are required.

Basic Information

Product Name	Potassium 5-Methylfuran-2-Trifluoroborate
CAS No.	1111213-54-7
Molecular Formula	C5H5BF3KO
Molecular Weight	187.99 g/mol
Synonyms	Potassium (5-Methylfuran-2-yl)trifluoroborate; 5-Methyl-2-furanyltrifluoroborate Potassium Salt; Potassium 5-Methyl-2-furanyltrifluoroboronate; 2-(5-Methyl-2-furanyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (common precursor); 5-Methylfuran-2-boronic acid trifluoroborate potassium salt; 5-Methyl-2-furanboronic acid potassium trifluoroborate; Potassium 5-Methylfuran-2-yltrifluoroborate
EINECS	Contact for details

Quality Control

Our Potassium 5-Methylfuran-2-Trifluoroborate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR (1H, 11B, 19F) and HPLC analysis, to ensure high chemical purity and consistent performance in cross-coupling reactions. Certificates of Analysis (COA) with detailed 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 2-8°C. This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (argon or nitrogen) for long-term stability and to maintain reactivity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
11B NMR Purity	≥ 95.0%
Water Content (KF)	≤ 1.0%

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