Monocyclic 1,2,3-triazines reacted with Grignard reagents to form adducts due to N-2 and C-5 attack together with p-su bstituted acrylaldehydes and N-substituted pyrazoles; the results show that the N-2, C-4, and C-5 positions are reactive towards Grignard reagents. ... The behaviour of 1,2,3-triazines (la) and (lb) towards Grignard reagents is noteworthy owing to their n-deficient character. With regard to this, the reactions of 4-substituted 1,2,3-benzotriazines (2) with ...
