Tetrahedron p. 4937 - 4940 (1984)
Update date:2022-07-29
Topics:
Singh, Harjit
Deep, Kanwal
4-(4-Quinazolinylthio)-butan-2-one and 3-(4-quinazolinylthio) propiophenone (4, R=CH3, C6H5) with POCl3 give 3-(3-oxobutyl)-4(3H)-quinazolone and 3-(2-benzoylethyl)-4(3H)-quinazolone (7, R=CH3, C6H5, X=O) via S <*> N rearrangement followed by =C=S to =C=O conversion.Non-protic heterocyclic thioamides undergo similar oxidation.
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