A combination of trichloroisocyanuric acid and sodium nitrite in the presence of wet
SiO2 was used as an effective nitrosating agent for the nitrosation of N,N-dialkyl amines to their corresponding nitroso derivatives under mild and heterogeneous
conditions in moderate to excellent yields.
trichloroisocyanuric acid - nitrosation - secondary amines -
N-nitroso amines