... The combined organic layer was dried and concentrated. Recrystallization of the residue from hexane gave 0.12 g (94.5%) of 4c, mp 68-70 "C. o-Methyldiphenylsilyl-N,N-dimethylaniline (4c). ... References and Notes (1) Y. Sato, Y. Ban, and H. Shirai, J. Chem. SOC., Chem. ...