120105-39-7Relevant articles and documents
Pyridinethiones. XV. 3-Methylthio-2-pentene-1,5-diones as Synthons for 4-Methylthio-2(1H)-pyridinethiones, and Synthesis of 4-Methylene-1,4-dihydropyridines
Becher, Jan,Hansen, Poul
, p. 1129 - 1134 (2007/10/02)
Starting from α-oxoketene dithioacetals the 3-methylthio-1,5-pentenedione enolates 4 obtained from ketones 3 give 4-methylthio-2(1H)-pyridinethiones with isothiocyanates.Enolates 4 can be alkylated with methyl iodide at C-2, giving 5-methyl-4-methylthio-2