By Kolio D. Troev
Phosphonic acid esters are intermediates within the synthesis of vital periods of compounds equivalent to alpha-aminophosphonic acids, bisphosphonates, epoxyalkylphosphonates, alpha-hydroxyalkylphosphonates, phosphoramides, poly(alkylene H-phosphonate)s, poly(alkylene phosphate)s, nucleoside H-phosphonates. The synthesis of every of those compound sessions is reviewed in detail.
Alpha-Aminophosphonic acids are a tremendous classification of biologically lively compounds, that have acquired an expanding volume of cognizance simply because they're thought of to be structural analogues of the corresponding Alpha-amino acids. The utilities of alpha-aminophosphonates as peptide mimics, haptens of catalytic antibodies, enzyme inhibitors, inhibitors of cancers, tumours, viruses, antibiotics and pharmacologic brokers are good documented. Alpha-Hydroxyalkanephosphonates are compounds of important organic and medicinal purposes. Dialkyl epoxyalkylphosphonates are of curiosity due to their use as intermediates within the synthesis of bioactive ingredients, and as modifiers of typical and artificial polymers. Bisphosphonates are medicinal drugs which have been established in numerous bone illnesses, and feature lately been used effectively opposed to many parasites. Poly(alkylene H-phosphonate)s and poly(alkylene phosphate)s are promising, biodegradable, water soluble, new polymer-carriers of gear. Nucleoside H-phosphonates appear to be the main appealing applicants as beginning fabrics within the chemical synthesis of DNA and RNA fragments. The 5’-hydrogen phosphonate-3’-azido-2’,3’-dideoxythimidine is likely one of the most important anti-HIV prodrug, that's presently in medical trials.
Chapters evaluation the synthesis; actual and spectral homes (1H, 13C, 31P and 17O NMR data); attribute reactions; very important sessions of compounds in keeping with those esters of H-phosphonic acid; their software as physiologically energetic ingredients, flame retardants, catalysts, light and heat stabilizers, lubricants, scale inhibitors, polymer-carriers of medicines; practise of H-phosphonate diesters and normal techniques for undertaking crucial reactions.
* presents principles for the synthesis of phosphonates, phosphoramides and diesters of phosphonic acid (new phosphorus-containing compounds)
* experiences constitution, spectra and organic task of H-phosphonates and their derivatives
* examines new components of program of phosphorus-containing compounds
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