- Synthesis of 2-Aroylimino-6-aryl-1,3,4-oxadiazolo-1,2,4-thiadiazolines
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Cyclisation of N1-aroyl-N2-(5-aryl-1,3,4-oxadiazol-2-yl)thioureas (IV) in the presence of PCl5 and POCl3 is shown to afford 2-aroylimino-6-aryl-1,3,4-oxadiazolo-1,2,4-thiadiazolines (V), instead of the expected 2,5-diaryl-1,3,4-oxadiazolo-s-triazines-7-thiones (III).
- Ramachandraiah, G.,Reddy, K. Kondral
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p. 185 - 186
(2007/10/02)
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