Organophosphorus Synthesis and Applications

Organophosphorus chemistry encompasses the design and synthesis of organic molecules featuring phosphorus–carbon or phosphorus–heteroatom bonds. Central methodologies include hydrophosphonylation of alkenes and alkynes, salt‐elimination and oxidative coupling routes to phosphoramidates, and deoxyfunctionalisation techniques for P–O and P–H substrates. Advances in catalytic processes and flow chemistry have improved selectivity, stereocontrol and sustainability of such transformations. The resulting organophosphorus compounds serve diverse roles: bioactive molecules and prodrugs exploit the stability and bioisosterism of P–C and P–N linkages; flame‐retardant materials leverage high phosphorus content for char formation; ligands derived from phosphines enable asymmetric catalysis; and P–F and P–S functionalities find applications in medicinal chemistry and agrochemical development. These compounds also underpin novel supramolecular assemblies, surface modifications and imaging probes, illustrating the global impact of organophosphorus synthesis across health, materials science and industry.

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Organophosphorus Synthesis and Applications publication trend

The graph below shows the total number of articles in organophosphorus synthesis and applications across all publications each year (not limited to Nature Index journals).

Technical terms

Phosphonate: An organophosphorus compound containing the –P(=O)(OR)2 motif, often used as a bioisostere of phosphate.

Hydrophosphonylation: Addition of a P–H bond across a C=C or C≡C bond to form new C–P linkages in a single step.

Deoxyfluorination: Replacement of a P–OH (or similar) group by a P–F bond, typically using specialised fluoride reagents.

Diaryliodonium salt: A hypervalent iodine reagent bearing two aryl groups, employed as an aryl transfer agent in S-arylation reactions.

S-arylation: The formation of a P–S–Ar bond by coupling phosphorothioate diesters with aryl donors to introduce aryl groups onto sulfur.

References

1. Phosphonic acid: preparation and applications. Beilstein Journal of Organic Chemistry (2017).
2. Atherton–Todd reaction: mechanism, scope and applications. Beilstein Journal of Organic Chemistry (2014).
3. Chemoselective Activation of Diethyl Phosphonates: Modular Synthesis of Biologically Relevant Phosphonylated Scaffolds. Angewandte Chemie International Edition (2018).
4. Opening up the Toolbox: Synthesis and Mechanisms of Phosphoramidates. Molecules (2020).
5. Metal-Free S‑Arylation of Phosphorothioate Diesters and Related Compounds with Diaryliodonium Salts. Organic Letters (2023).
6. Rapid Generation of P(V)–F Bonds Through the Use of Sulfone Iminium Fluoride Reagents. Organic Letters (2023).