| abstract |
(57) [Summary] [Objective] To provide naphthyridine having a sufficient herbicidal effect. [Structure] General Formula I And R 1 represents a phenyl ring or a heteroaromatic group, R 2 -R 6 are hydrogen, alkyl, alkenyl, cycloalkyl, halogen, alkoxyalkyl, aminoalkyl, phenyl, benzyl, heteroaryl bonded at a carbon, cyano, nitro, carboxyl, sulfonyl methyl, alkoxycarbonyl, carbamoyl, Substituted naphthyridines representing alkylcarbamoyl, dialkylcarbamoyl, alkanoyl, benzoyl. |