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STUDIES ON PHOPHONIUM YLIDES-XIV. THE BEHAVIOUR OF 5-(4-PYRIDYL)-2-THIONO-1,3,4-OXADIAZOLE TOWARDS WITTIG REAGENTS
Boulos, L. S.,Hennawy, I. T.
, p. 65 - 69 (2007/10/02)
Wittig reagents (Ia-c) react with 5-(4-pyridyl)-2-thino-1,3,4-oxadiazole (II) yielding the new adducts (IIIa-d).Structural reasoning for compounds III was based on compatible analytical and spectral data (IR, 1H NMR, 31P NMR, and MS).The mechanism that ac
