Citation: LEI Chao, SHEN Tu-Chao. Microwave Assistant Synthesis, Crystal Structure and Biological Activity of 1-(2-Fluorobenzyl)-3-methoxy- 4-methyl-1H-1,2,4-triazol-5(4H)-one[J]. Chinese Journal of Structural Chemistry, ;2015, 34(11): 1659-1664. doi: 10.14102/j.cnki.0254-5861.2011-0734 shu

Microwave Assistant Synthesis, Crystal Structure and Biological Activity of 1-(2-Fluorobenzyl)-3-methoxy- 4-methyl-1H-1,2,4-triazol-5(4H)-one

LEI Chao ,
SHEN Tu-Chao

1.
College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, China

Received Date: 26 March 2015
Available Online: 22 May 2015
Fund Project: The paper was supported by Applied Chemistry Foundation of Zhejiang Shuren University (YH2013S09) (YH2013S09)

The title compound 1-(2-fluorobenzyl)-3-methoxy-4-methyl-1H-1,2,4-triazol-5(4H)-one (C₁₁H₁₂FN₃O₂) was synthesized, and its structure was confirmed by ¹H NMR, IR, MS, elemental analysis and X-ray diffraction. It crystallizes in the monoclinic system, space group P1 with a=6.919(3), b=8.525(4), c=9.811(4) Å, α=84.22(2), β=71.028(19), γ=86.10(2)°, D_c=1.448 g/cm³, Z=2, V=544.2(4) Å³, F(000)=248, the final R=0.0379 and wR=0.0913 for 1709 observed reflections with I>2σ(I). The preliminary biological test shows that the title compound shows weak inhibitory activities against Phytophthora infestans, Botrytis cinerea, Corynespora cassiicola, Rhizoctonia solani and Pythium ultimum.
- 1,2,4-triazole,
- synthesis,
- crystal structure,
- fungicidal activities
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