C. Plisson, J. Chenault
Mar 1, 2001
Citations
0
Influential Citations
2
Citations
Journal
Journal of Heterocyclic Chemistry
Abstract
Ethyl 1-ethyl-7-methyl-4-oxo-1,4-dihydro[1,8]naphthyridine-3-carboxylate (1), precursor of nalidixic acid, has been converted in two steps through ([1,8]naphthyridin-3-yl)carbonylguanidine derivatives into substituted pyrimido[4,5-b] and [5,4-c][1,8]naphthyridines.