Chem. J. Chinese Universities

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Synthesis and Biological Activities of 1,2,3-Thiadiazol-4-acetamide(Acetmorpholide) Derivatives

DONG Wei-Li1, YAO Hong-Wei1, WANG Feng-Long2, LI Zheng-Ming1, SHEN Li-Li2, QIAN Yu-Mei2, ZHAO Wei-Guang1*   

    1. National Key Laboratory of Elemento-Organic Chemistry, National Pesticide Engineering Resarch Center, Nankai University, Tianjin 300071, China;
    2. Tobacco Research Institute of CAAS, Qingdao 266101, China
  • Received:2006-12-14 Revised:1900-01-01 Online:2007-09-10 Published:2007-09-10
  • Contact: ZHAO Wei-Guang

Abstract: In the investigation of new agrochemicals, we found 1,2,3-thiadiazole derivatives with good biological activities, had received only limited attention, but commercial pesticides containing 1,2,3-thiadiazole often possess a unique active mechanism, such as TDZ, BTH and tiadinil. We became interested in making 1,2,3-thiadiazoleacetamides, analogues of three commercial pesticides. In order to search for novel 1,2,3-thiadiazole derivatives with high activities, we designed and synthesized a series of novel 1,2,3-thiadiazole-4-acetamide(acetmorpholide)derivatives using diketene as the starting materials. Their structures were identified by means of elemental analysis, IR, 1H NMR and MS spectra. The results of the preliminary biological activity tests show that some of the compounds exhibit a better anti-TMV activity, plant growth regulator activity and fungicidal activity.

Key words: 1,2,3-Thiadiazole, Acetamide, Biological activity

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