abstract |
PURPOSE: Pyridone carboxylic acid derivatives of formula III [where Z' is S, NR' 3 (where R' 3 is H or lower alkyl); R' 1 is H or lower alkyl; R' 2 is H or lower alkyl]. For example, ethyl 1,4-dihydro-4-oxo-5H-Pyrido [3.2-b] indole-3-carboxylate. n COPYRIGHT: (C)1976,JPO&Japio |