作者:Masataka Yokoyama、Hidekatsu Hatanaka、Kayoko Sakamoto
DOI:10.1039/c39850000279
日期:——
e condenses with benzoic acid in the presence of polyphosphoric acid trimethylsilyl ester to give 5-cyano-4-methylthio-2-phenyl-1,3-oxazin-6-one (O,N double rearranged product) and 5-cyano-6-methylthio-2,3-diphenyl-1,3-diazin-4-one (N,N double rearranged product), respectively.
在多磷酸三甲基甲硅烷基酯的存在下,将2-氰基-3-羟基-3-(甲硫基)丙烯酰胺和2-氰基-3-甲硫基-3(苯氨基)丙烯酰胺与苯甲酸缩合,得到5-氰基-4-甲硫基- 2-苯基-1,3-恶嗪-6-一(O,N双重排产物)和5-氰基-6-甲硫基-2,3-二苯基-1,3-二氮嗪-4-one(N,N双重新排列的产品)。