PECULIARITIES OF CYCLIZATION OF 2-(2-OXO-2-PHENYLETHYLIDENE)- 2,3-DIHYDROPYRIMIDIN-4(1<i>Н</i>)-ONE WITH ETHYL CYANOACETATE
DOI:
https://doi.org/10.1007/4935Keywords:
3-cyanopyridin-2(1Н)-ones, ethyl cyanoacetate, pyrimidine, pyrimido[1, 2-a][1, 8]naphthyridine.Abstract
The reaction of 2-(2-oxo-2-phenylethylidene)-2,3-dihydropyrimidin-4(1H)-ones and ethyl cyanoacetate leads to the formation of 4hydroxy-2,10-dioxo-5-phenyl-1,10-dihydro-2H-pyrimido[1,2-a][1,8]naphthyridine-3-carbonitriles.
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Published
2019-05-22
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Short Communications