We have developed a new method of N-nitrosation of various secondary and tertiary
amines, amides and ureas using a mixture of tin(IV) chloride and sodium nitrate. This
method leads to a selective, high-yielding and mild heterogeneous N-nitrosation by
in situ generation of nitrosyl chloride (NOCl). The reaction can be carried out in
several different solvents such as chloroform, dichloromethane, ethers, ethyl acetate
and alcohols, at room temperature.
tin(IV) chloride - N-nitrosation - nitrosamines - nitrosoureas - nitrosamides