硝基乙烷 、
4-{2-[4-(4-oxo-8-phenyl-3,4-dihydro-2H,6H-pyrimido[1,2-a]pyrimidin-1-yl)-pyrimidin-2-ylamino]-propyl}-benzaldehyde 在
ammonium acetate 作用下,
反应 4.0h,
生成 (Z)-1-(2-{1-methyl-2-[4-(2-nitro-propenyl)-phenyl]-ethylamino}-pyrimidin-4-yl)-8-phenyl-1,2,3,6-tetrahydro-pyrimido[1,2-a]pyrimidin4-one