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Updated: May 10, 2025

Preparation and Reactivity of a Triphosphenium Bromide Salt: A Convenient and Stable Source of PhosphorusI
Published on: November 22, 2016
Phosphorus Fluoride Exchange (PFEx) Click Chemistry: 2-Substituted-alkynyl-1-cyclotriphosphazene (SACP) Hubs for
Zifei Wang1, Dharmendra S Vishwakarma1, Shoujun Sun1
1Cancer Center, Cold Spring Harbor Laboratory, 1 Bungtown Road, Cold Spring Harbor, NY 11724, USA.
Abstract:
Phosphorus Fluoride Exchange (PFEx) is a new click chemistry technology that hinges on the creation of innovative hubs to unlock its potential and broaden its applications. In this study, we outline some guiding principles for PFEx hub development and validate these principles by developing a new hub, 2-substituted-alkynyl-1-cyclotriphosphazenes (SACPs). These SACPs serve as versatile PFEx hubs with stable functionality and orthogonal reactivity, exemplifying their utility within the Diversity Oriented Clicking (DOC) framework. We demonstrate that SACPs interact with various 1,3-dipoles, enabling the synthesis of phosphorus-rich compounds through sequential cycloaddition and PFEx reactions, thus pioneering new synthetic routes for wide application of click chemistry.
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