Overview of Biologically Active Nucleoside Phosphonates.

Area of Science:

• Medicinal Chemistry
• Drug Design
• Pharmacology

Background:

• The carbon-phosphorous (C-P) bond in phosphonates offers superior enzymatic stability compared to the labile P-O bond.
• This bioisosteric replacement is a key strategy in medicinal chemistry for developing metabolically stable drug candidates.
• Nucleoside phosphonates are a significant class of compounds with demonstrated therapeutic potential.

Purpose of the Study:

• To review influential successes in drug design utilizing the phosphonate motif.
• To emphasize the application of nucleoside phosphonates and their prodrugs in antiviral and anticancer therapies.
• To explore phosphonate analogs for treating bacterial and parasitic infections, and modulate purinergic receptors (P2X, P2Y) and nucleotidases.

Main Methods:

• Literature review of key studies and drug design strategies involving phosphonate compounds.
• Analysis of structure-activity relationships for nucleoside phosphonates and related analogs.
• Discussion of mechanisms of action, including enzymatic stability and receptor modulation.

Main Results:

• Significant advancements in antiviral and cancer treatments using nucleoside phosphonates and prodrugs.
• Identification of promising phosphonate analogs for combating bacterial and parasitic infections.
• Insights into the role of phosphonates in modulating P2X/P2Y receptors and nucleotidases.

Conclusions:

• Phosphonate therapeutics represent a robust strategy for enhancing drug stability and efficacy.
• Nucleoside phosphonates are versatile agents for treating viral infections, cancer, and other infectious diseases.
• Future drug design can leverage phosphonate chemistry to address challenging and refractory infections.