Chem. J. Chinese Universities ›› 1991, Vol. 12 ›› Issue (10): 1326.

• Articles • Previous Articles     Next Articles

Synthesis of 1-[5-(α-Naphthyl)-2H-Tetrazol-2-Acetyl]-4-Aroylthiosemicarbazides and 3-[5-(α-Naphthyl)-2H-Tetrazol-2-Methylene]-4-Aroyl-1, 2,4-Triazoline-5-Thione Derivatives

Feng Xiao-ming1, Chen Rong1, Zhang Zi-yi2   

  1. 1. Department of Chemistry, Southwest Teacthers' University, Chongqing, 630715;
    2. Department of Chemistry, Lanzhou University, Lanzhou, 730000
  • Received:1990-06-05 Online:1991-10-24 Published:1991-10-24

Abstract: A series of new 1-[5-(α-naphthyl)-2H-tetrazol-2-acetyl]-4-aroylthiosemicarbazides(Ⅱ) weresynthesized by condensation of aroylisothiocyanate with 5-(α-naphthyl-2H-tetrazol-2-acetylhydrazine(Ⅰ) in absolute acetonitrile. Some of 3-[5-(α-naphthyl)-2H-tetrazol-2-methylene]-4-aroyl-1,2,4-triazoline-5-thione(Ⅲ) were prepared by the cyclization of compounds(Ⅱ) under the catalysis of 1 mol/L K2CO3solution. The structures of all compounds prepared were characterized by elemental analysis, IR and 1HNMR. The regioselectivity of the cyclization of compounds (Ⅱ) was rationalized with the fragments of mass spectra of compounds (Ⅲ).Preliminary pharmacological examinations show that the new compounds (Ⅱ) and (Ⅲ) possess some promoting, or inhibiting activity on growth of plumule of wheat.

Key words: Acylthiosemicarbazides, Tetrazole, Heterocyclic 1,2,4-triazoline-5-thione, Biological activity

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