in good yields of the target products either as the carboxylic acid or the methyl ester form. Eight new compounds were evaluated for their ability to influence the feeding behaviour of the pea aphid Acyrthosiphon pisum. Artificial diet bioassays showed that two compounds are toxic (mortality and growth inhibition) at lower concentrations than the reference 3,5-dicaffeoyl quinic acid.
通过使用新的4-脱氧
奎尼酸三醇中间体合成了新的
二肉桂酰基(咖啡酰,
阿魏酸酯,邻和对-香豆酰基)4-脱氧
奎尼酸和酯。偶联步骤和脱保护步骤的最优化允许以高收率制备目标产物,其为
羧酸或甲酯形式。八个新化合物,其影响豌豆喂养行为的能力进行了评价蚜豌豆蚜。人工饮食
生物测定法显示,两种化合物的毒性(死亡率和生长抑制)浓度低于参考3,5-二咖啡酰
奎尼酸。