Olive, Gilles
Rockenbauer, Antal
Rozanska, Xavier
Jacques, Alain
[UCL]
Peeters, Daniel
[UCL]
German, Anton
The synthesis and the full characterization of two new linear bisphosphonates ( tetraethyl(N-tert-butyl-1-aminoethan-1,1-diyl) bisphosphonate and tetraethyl(Nsecbutyl-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 B-0 (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 B-2 that is different when the dihedral angle is larger than 90 degrees.
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Bibliographic reference |
Olive, Gilles ; Rockenbauer, Antal ; Rozanska, Xavier ; Jacques, Alain ; Peeters, Daniel ; et. al. Synthesis of new tetraethyl(N-alkyl-1-aminoethan-1,1-diyl)bisphosphona-tes and ESR analysis of chemical exchange of derived nitroxides of acyclic aminobisphosphonates. In: Phosphorus, Sulfur and Silicon and the Related Elements, Vol. 182, no. 10, p. 2359-2369 (2007) |
Permanent URL |
http://hdl.handle.net/2078.1/37926 |