反应详情

The process is carried out according to the procedure described in stage f of Example 1, using 21 g of 1,2-diamino-2-methylpropane and 25.3 g of cyanogen bromide. 46 g of 4,4-dimethylimidazolidin-2-ylideneamine hydrobromide are thus obtained, in the form of a white solid, the characteristics of which are the following: