XV.—On Benzyl Phosphines and their Derivatives

The phosphines which have been obtained as yet are not very numerous, and with one or two exceptions their properties have not been exhaustively studied, a fact which is no doubt largely due to the difficulties encountered in preparing them in any quantity. There are consequently a great many points in their history which require examination, and the object we had in view in the present investigation was chiefly to extend our knowledge of this interesting group of substances.