Selectfluor II Reagent

Product Overview

Selectfluor II Reagent (CAS 159269-48-4) is a specialized electrophilic fluorinating agent renowned for its stability, solubility in polar solvents, and controlled reactivity in complex synthetic transformations. Chemically identified as 1-fluoro-4-methyl-1,4-diazabicyclo[2.2.2]octane-1,4-diium tetrafluoroborate or alternatively as 4-fluoro-1-methyl-1,4-diazoniabicyclo[2.2.2]octane ditetrafluoroborate, this reagent serves as a reliable source of 'F⁺' equivalents in modern fluorochemical applications. Its robust performance makes it indispensable in the development of fluorinated active pharmaceutical ingredients (APIs), agrochemicals, and functional materials.

Specifications

Industrial Applications

This reagent is primarily employed in research and industrial settings where precise electrophilic fluorination is required. Key application areas include:

• Pharmaceutical R&D for late-stage fluorination of heterocycles and bioactive molecules
• Synthesis of fluorinated building blocks used in medicinal chemistry
• Development of novel agrochemical compounds with enhanced metabolic stability
• Preparation of fluorine-containing functional materials for electronic and specialty polymer applications

As a non-gaseous, solid fluorinating agent, Selectfluor II offers significant safety and handling advantages over traditional fluorine sources such as F₂ or perchloryl fluoride, enabling scalable and reproducible fluorination under mild conditions.