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4-arylalkoxyquinazolines with antifungal activity

机译:具有抗真菌活性的4-芳基烷氧基喹唑啉

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4-Arylalkkoxyquinazolines ar a class of highly active wide spectrum fungicides against cereal and braod leaf pathogens.Activity optimisation through an extensive rationally designed,SAR program yielded a 4-(4-trifluoroethoxyphenethoxy)-8-fluoroquinazooine which,unfortuntaely,priove too phytotoxic in the field,Safenign was achieved through introduction of a methyl group at positin6 of the quinazoline but at the expense of reduce bioloigcal sepctrum.Modlecular modeling prodictios suggesting tha tbitolicial specturm could be restored by replacemdent of the phenyl group by "azabenzenes" were vibndicated.
机译:4-芳基烷氧基喹唑啉类是一类针对谷物和盲叶病原体的高活性广谱杀菌剂。通过广泛合理设计的SAR程序进行活性优化,得到了4-(4-三氟乙氧基苯乙氧基)-8-氟喹唑啉,但不幸的是,其在植物体内的毒性也很大。在该领域中,通过在喹唑啉的positin6处引入甲基来实现Safenign,但是以减少生物自发的隔膜为代价。分子模型预测表明,可以通过用“氮杂苯”代替苯基来恢复分子光谱。

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