Enantioselective Synthesis of Isoxazolecarboxamides and their Fungicidal Activity

@article{Gucma2017EnantioselectiveSO,
  title={Enantioselective Synthesis of Isoxazolecarboxamides and their Fungicidal Activity},
  author={Mirosław Gucma and W. Marek Gołębiewski and Alicja K. Michalczyk},
  journal={Revista de la Sociedad Qu{\'i}mica de Mexico},
  year={2017},
  volume={59},
  pages={161-172}
}
A series of new 3-substituted isoxazolecarboxamides have been prepared from aldehydes. The key step was a 1,3-dipolar cycloaddition reaction of nitrile oxides to a,b-unsaturated esters and amides. The cycloadditions to amides were mediated by chiral ligands and several products displayed excellent enantioselectivities. Some of the title compounds exhibited good fungicidal activities against Alternaria alternata , Botrytis cinerea , Fusarium culmorum , Phytophthora cactorum , and Rhizoctonia… 
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