The preparation of some 3,7-disubstituted-5,6-dihydroquino[3,2-c][1,8]naphthyridines (6) by the condensation of 7-substituted-2,3-dihydro-1,8-naphthyridin-4-(1H)ones (5) with o-aminoacetophenone or o-aminobenzophenone is described. All the 5,6-dihydroderivatives 6 were transformed into the fully aromatic compounds 7 by heating with nitrobenzene. Only a few quino[3,2-c][1,8]naphthyridines were previously described.

Synthesis of some 3,7-DisubstitutedQuino[3,2-c][1,8]naphthyridines.

MARINI, ANNA MARIA
1980

Abstract

The preparation of some 3,7-disubstituted-5,6-dihydroquino[3,2-c][1,8]naphthyridines (6) by the condensation of 7-substituted-2,3-dihydro-1,8-naphthyridin-4-(1H)ones (5) with o-aminoacetophenone or o-aminobenzophenone is described. All the 5,6-dihydroderivatives 6 were transformed into the fully aromatic compounds 7 by heating with nitrobenzene. Only a few quino[3,2-c][1,8]naphthyridines were previously described.
A., Da Settimo; G., Biagi; G., Primofiore; P. L., Ferrarini; O., Livi; Marini, ANNA MARIA
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/208897
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