Reference : Synthesis of New Tetraethyl(N-alkyl-1-aminoethan-1,1-diyl)bisphosphonates and ESR Ana...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Chemistry
Synthesis of New Tetraethyl(N-alkyl-1-aminoethan-1,1-diyl)bisphosphonates and ESR Analysis of Chemical Exchange of Derived Nitroxides of Acyclic Aminobisphosphonates.
Olive, Gilles mailto [Université de Liège - ULiège > > Gembloux Agro-Bio Tech >]
Rockenbauer, Antal [> > > >]
Rozanska, Xavier [> > > >]
Jacques, Alain [> > > >]
Peeters, Daniel [> > > >]
German, Anton [> > > >]
Phosphorus, Sulfur & Silicon & the Related Elements
Taylor & Francis Ltd
Yes (verified by ORBi)
[en] Bisphosphonates ; diphosphorylation ; ESR ; McConnell equation ; nitroxide ; theoretical calculations
[en] The synthesis and the full characterization of two new linear bisphosphonates(tetraethyl(N-tert-butyl-1-aminoethan-1,1-diyl)bisphosphonate and tetraethyl(Nsec-butyl-1-aminoethan-1,1-diyl)bisphosphonate), and the first analysis of the ESR spectra of the corresponding nitroxides is reported. The preliminary results of theoretical calculations on model compounds suggest a small B0 (in the McConnell equation). The results of bisphosphonate ester and bisphosphonic acid are similar. The discrepancies of P coupling for the diphosphorus compound stems from B2 that is different when the dihedral angle is larger than 90◦.
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