<span class="searchmatch">R2P</span> (international relations) Initialism of responsibility to protect....
secondary phosphine (plural secondary phosphines) (chemistry) any compound of general formula <span class="searchmatch">R2P</span>-H primary phosphine tertiary phosphine...
phosphenium (plural phospheniums) (inorganic chemistry) The radical cation H2P:+ derived from phosphine (organic chemistry) Any derivative of this ion <span class="searchmatch">R2P</span>:+...
McCormack reactions) A method for the synthesis of organophosphorus compounds by combining a 1,3-diene and a source of <span class="searchmatch">R2P</span>+ to give a phospholenium cation....