SYNTHESIS OF DERIVATIVES OF 4,6-DIOXO-1,4,6,7,8,9-HEXAHYDROPYRIMIDO[4,5-<i>b</i>][1,6]NAPHTHYRIDINES
DOI:
https://doi.org/10.1007/8332Keywords:
4, 6-dioxo-1, 6, 7, 8, 9-hexahydropyrimido[4, 5-b][1, 6]naphthyridines, anilides of 4-oxo-1, 4-dihydropyrido[2, 3-d]pyrimidine-6-carboxylic acids cyclizationAbstract
It has been shown that 1-aryl-8-(4-bromophenyl)-4,6-dioxo-2H(phenyl)-7-phenyl-1,4,6,7,8,9-hexahydropyrimido[4,5-b][1,6]naphthyridines are formed on heating anilides of 1-aryl-7-(4-bromostyryl)-4-oxo-1,4-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acids in PPA.How to Cite
Deyanov, A. B.; Konshin, M. E. Chem. Heterocycl. Compd. 2005, 41, 511. [Khim. Geterotsikl. Soedin. 2005, 597.]
For this article in the English edition, see DOI 10.1007/s10593-005-0180-x
