The title compounds are prepared from the Meldrum acid derivatives 5-[bis(methylthio)methylene]-, 5-(1-methylthioalkylidene)- and 5-(α-methylthiobenzylidene)-2,2-dimethyl-4,6-dioxo-1,3-dioxanes by reaction with 2-aminothiazole, 2-aminopyridine, or anilines, respectively.
这些标题化合物是通过与
2-氨基噻唑、2-
氨基吡啶或
胺类进行反应,从Meldrum酸衍
生物5-[双(methylthio)methylene]、5-(1-methylthio烯基)和5-(α-methylthiobenzylidene)-2,2-二甲基-4,6-二氧-1,3-二恶烯制备的。