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  • Title: Synthesis, characterization and derivatization of some novel types of mono- and bis-imidazolidineiminothiones and imidazolidineiminodithiones with antitumor, antiviral, antibacterial and antifungal activities--part I.
    Author: El-Sharief AM, Moussa Z.
    Journal: Eur J Med Chem; 2009 Nov; 44(11):4315-34. PubMed ID: 19664865.
    Abstract:
    Halogenated and alkylated N-arylcyanothioformanilides were reacted with the nucleophilic reagents triethylamine, hydrazine and diphenyldiazomethane to produce N-arylcyanothioformanilide ammonium salts, a thiosemicarbazide and a 2-(arylamino)-3,3-diphenylacrylonitrile, respectively. They also underwent several types of electrophilic reactions with aryl-, arylbisisocyanates and arylisothiocyanates to yield mono- and bis-imidazolidineiminothiones and imidazolidineiminodithiones. Treatment of imidazolidineiminothiones with hydrogen sulfide, substituted ortho-phenylenediamines and thiocarbohydrazide afforded the corresponding thiohydantoin, quinoxaline and imidazotriazine derivatives. Several of the synthesized products were subjected to in vitro biological evaluation against antitumor, antiviral, antimicrobial and antifungal strains. Most tested compounds showed significant activities.
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