Synthesis p. 952 - 956 (1986)
Update date:2022-08-05
Topics:
Becher, Jan
Stidsen, Carsten E.
Asaad, Fahmy M.
Anions 3 of 1,5-pentenediones can be alkylated to give 2-alkyl-1,5-pentenediones 4, whose anion 5 react with isothiocyanates to yield the oxoenoles 7.These cyclize to give the new 5-substituted 2(1H)-pyridinethiones 6 in fair yields.Anions of unsymmetrical 1,5-pentenediones yields mixtures of 2(1H)-pyridinethiones 9 and 10.
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