Optically active phosphines. Facile preparation of the optically active propylmethylbenzyl- and methylphenylbenzylphosphine oxides as precursors to the corresponding tertiary phosphines
Optically active phosphines. Facile preparation of the optically active propylmethylbenzyl- and methylphenylbenzylphosphine oxides as precursors to the corresponding tertiary phosphines