| abstract |
A method of alkylating a 1,3,5-triazine derivative having at least one amino or monosubstituted amino group on the ring carbon atom, such as melamine, its derivatives or various guanamine derivatives, by the reaction with an alcohol in the presence of a catalyst of Group VII and/or VIII element(s) of the Periodic Table, such as a rhodium complex catalyst, whereby said at least one amino or monosubstituted amino group is alkylated. An object of the invention is to provide substituted 1,3,5-triazine derivatives readily in high yields by the above method, which derivatives are useful compounds used widely as intermediates for various fine chemicals such as pesticides, drugs, dyes and coating materials and also as the raw materials of resins and flame retardants. |