Synthesis of polyfunctionalized methylphosphine oxides
作者:V. P. Morgalyuk、T. V. Strelkova、E. E. Nifant’ev
DOI:10.1007/s11172-012-0053-2
日期:2012.2
N,N-Dialkylamino(diphenylphosphoryl)chloromethanes, a new type of organophosphorus compounds, were synthesized. On dissolving in polar and low polar solvents, N,N-dialkylamino(diphenylphosphoryl)chloromethanes dissociate spontaneously with the P—C bond cleavage to form the diphenylphosphinite anion Ph2PO−. This was confirmed by the reaction of N,N-dimethylamino(diphenylphosphoryl)chloromethane with electrophilic substrates to form the corresponding addition or substitution products of Ph2PO−. The capability of spontaneous generating the diphenylphosphinite anion considers accessible N,N-dimethylamino(diphenylphosphoryl)chloromethane as a synthetic equivalent of the diphenylphosphinite anion.
Reactions of N,N-dimethylamino(diphenylphosphoryl)chloromethane with alkan-2-ones
作者:V. P. Morgalyuk、T. V. Strelkova、E. E. Nifant’ev
DOI:10.1007/s11172-012-0255-7
日期:2012.9
The direction of the reaction of N,N-dimethylamino(diphenylphosphoryl)chloromethane with alkan-2-ones depends on the ketone structure. N,N-Dimethylamino(diphenylphosphoryl)-chloromethane reacts with linear alkan-2-ones following the Abramov-type reaction to give α-phosphorylated alcohols, while the reaction with branched alkan-2-ones and acetophenone proceeds as the Mannich-type reaction affording the phosphorylated Mannich bases.