4-Anilinoquinazoline deriv. 16g 、
2-(bromomethyl)-1-methyl-4-nitro-1H-imidazole 、
N-甲基吡咯烷酮 反应 84.0h,
以gave 1-((2E)-4-{[4-(3-bromoanilino)-6-quinazolinyl]amino}-4-oxo-2-butenyl)-1-[(1-methyl-4-nitro-1H-imidazol-5-yl)methyl]piperidinium bromide (23) (600 mg, 61%), m.p. 188° C. (dec.)的产率得到1-((2E)-4-{[4-(3-bromoanilino)-6-quinazolinyl]amino}-4-oxo-2-butenyl)-1-[(1-methyl-4-nitro-1H-imidazol-5-yl)methyl]piperidinium bromide