in N,N,N',N',N'',N''-hexamethylphosphoric triamide T=20 - 60°C; influence of solvents, concentration and temperature on the ratio of O- and C-methylated products; further methylating educts: MeI, (MeO)3PO; Product distribution;

in N,N,N',N',N'',N''-hexamethylphosphoric triamide T=20 - 60°C; influence of solvents, concentration and temperature on the ratio of O- and C-methylated products; further methylating educts: MeI, (MeO)3PO; Product distribution;

1: benzyl alcohol With trifluoromethylsulfonic anhydride; bis-(phenyl)-sulfoxide; N,N,N',N'-tetra-methylnaphthalene-1,8-diamine in toluene T=-78°C; 1 h; 2: Propiophenon-Na-enolat in tetrahydrofuran; toluene T=-78 - 20°C;