[2-(Anilinomethyl)phenyl]diphenylphosphine and [2-[(N-methylanilino)methyl]phenyl]diphenylphosphine.

The title compounds, Ph(2)PCH(2)N(H)Ph or C(25)H(22)NP and Ph(2)PCH(2)N(CH(3))Ph or C(26)H(24)NP, respectively, are isomorphous, with calculated theoretical Tolman angles of 174 and 182 degrees.