| abstract |
The invention discloses a kind of ketoxime ether derivative of Isosorbide-5-Nitrae pentadiene 3 containing quinazoline, it is characterised in that：Its formula is as follows： Wherein, R 1 For phenyl, substituted-phenyl or substitution aromatic heterocyclic；R 2 For phenyl, substituted-phenyl or substitution aromatic heterocyclic；R 3 For more than one hydrogen atom, the methoxyl group contained on the 5 of quinazoline, 6,7 or 8, nitro, methyl, trifluoromethyl or halogen atom.The compounds of this invention has higher treatment and protective effect to Cucumber Mosaic Virus (CMV) and tobacco mosaic virus disease (TMV), shows higher anti-phytoviral activity, available for preparing Antiphytoviral agricultural chemicals. |