Description

3-Acetyl-2-Oxo-2H-Chromen-4-Yl Difluoridoborate is a specialized organoboron reagent featuring a coumarin-derived fluoroborate salt structure. This compound is valued for its role as a key synthetic intermediate in advanced organic transformations, particularly in cross-coupling reactions and materials science. It is primarily sought by research and development teams in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), especially for compounds with coumarin-based scaffolds.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators that require the introduction of boron-containing functional groups.
• Materials Science: Acts as a precursor for organic electronic materials, including organic light-emitting diodes (OLEDs) and semiconductors, due to its stable fluoroborate moiety.
• Cross-Coupling Reactions: Functions as a stable organoboron reagent in Suzuki-Miyaura cross-coupling reactions for carbon-carbon bond formation.
• Fluorescent Probe Synthesis: Utilized in the design and synthesis of fluorescent dyes and molecular probes for bioimaging and sensing applications.
• Academic & Industrial R&D: A valuable tool for methodological development in synthetic organic chemistry laboratories.

Basic Information

Product Name	3-Acetyl-2-Oxo-2H-Chromen-4-Yl Difluoridoborate
CAS No.	873326-02-4
Molecular Formula	C₁₁H₇BF₂O₄
Molecular Weight	252.0 g/mol
Synonyms	3-Acetyl-4-coumarinyltrifluoroborate; 3-Acetyl-2-oxo-2H-chromen-4-yltrifluoroborate; 3-Acetyl-4-(trifluoroborato)coumarin; 4-(Trifluoroboratomethyl)-3-acetylcoumarin; Potassium 3-acetyl-2-oxo-2H-chromen-4-yltrifluoroborate (common salt form); 3-Acetylcoumarin-4-trifluoroborate; (3-Acetyl-2-oxo-2H-chromen-4-yl)trifluoroboranuide
EINECS	Contact for details

Quality Control

Our 3-Acetyl-2-Oxo-2H-Chromen-4-Yl Difluoridoborate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality system is designed to meet the stringent requirements of research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be handled under inert atmosphere (e.g., nitrogen or argon) when opening to prevent degradation. Keep the container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Heavy Metals	≤ 20 ppm

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