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Research articles

ScienceAsia 48 (2022): 354-358 |doi: 10.2306/scienceasia1513-1874.2022.052


Study on the process of simultaneous oxidation of acyl chloride of novel insecticide tetrachlorantraniliprole using in situ FTIR


Yun-Bo Conga,b, Zi-Liang Lia, Ze-Sheng Haob,*, Qun Doud,*, Chun-Sheng Chenga,c,*

 
ABSTRACT:     The novel insecticide tetrachlorantraniliprole was synthesized utilizing 2,3,5-trichloropyridine as the starting material by a six-step route in 18% yield. The process of simultaneous oxidation and acyl chlorination was studied by in situ FTIR. The molecular structure of tetrachlorantraniliprole was identified by means of NMR, IR, MS, and X-ray diffraction analyses. The single crystal of tetrachlorantraniliprole was formed from toluene solvent, and exhibited monoclinic P21/n group with crystal parameters of a = 15.3316(16) ?, b = 16.7139(16) ?, c = 19.6687(19) ?, V = 4835.2(8) ?3 , and Z = 4. Moreover, its density = 1.605 g/m3 , F(000) = 2328.0, ? = 2.17 mm?1 , and 26933 reflections were measured (2.992? ? 2? ? 51.998?).

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a School of Environmental and Chemical Engineering, Shenyang University of Technology, Shenyang 110870 China
b Key Laboratory for Chemical Pesticide of Shandong Province, Shandong Academy of Pesticide Sciences, Ji?nan 250100 China
c Sinochem Safety Science Research (Shenyang) Co., Ltd, Shenyang 110021 China
d Shandong Agriculture and Engineering University, Ji?nan 250100 China

* Corresponding author, E-mail: haozesheng0302@163.com, 273103293@qq.com, chengchunsheng@163.com

Received 17 Aug 2021, Accepted 8 Dec 2021