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Egyptian Journal of Chemistry. 2000; 43 (2): 147-63
in English | IMEMR | ID: emr-53707

ABSTRACT

1-Aroyl-5-aryl-2-thiobiurets [2a-i] react with hydrogen peroxide in an acidic medium yielding the new 5-aroylamino-2-aryl-2H-1,2,4- thiadiazol-3-ones [3a-i]. On treatment with alkali, thiobiurets [2a- c] gave 6-aryl-4-thioxo-1,2,3,4-tetrahydro-1,3,5-triazin-2-ones [4a- c]. Structures of the new products were established by analytical and spectroscopic [IR, 1H-NMR and MS] results. A mechanism is proposed to explain the formation of compound [7]


Subject(s)
Thiazoles , Magnetic Resonance Spectroscopy , Spectrophotometry, Infrared , Thiadiazoles , Mass Spectrometry , Triazines
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