Fluorine derivatives of 2,4-D (3a, 3b) show herbicidal activity against three weed species. Parent herbicides 2,4-D, MCPA, 2,4,5-T, 4-CPA, monofluorine derivatives of MCPA (3d) and 2,4,5-T (3f) show fungistatic activity against phytopatogenic fungi species Phytophtora cactorum.
芳氧基
氟乙酸3a - 3h –苯氧基
乙酸除草剂2,4-D,MCPA,2,4,5-T和
4-CPA的
氟类似物可以通过使用适当的
酚和
溴代二
氟或
苯酚高效合成,产率为29-88%。以氢化
钠为碱,以
二恶烷或THF为溶剂,以
溴氟乙酸为溶剂。
2,4-D(3a,3b)的
氟衍
生物显示出对三种杂草物种的除草活性。母体
除草剂2,4-Def=https://www.molaid.com/MS_348133 target="_blank">2,4-d,MCPA,2,4,5-T,
4-CPA,MCPA(的monofluorine衍
生物3D)和2,4,5-T(3F)显示出抗真菌phytopatogenic物种抑真菌活性疫恶疫霉。