Journal fur Praktische Chemie - Chemiker-Zeitung p. 128 - 134 (1993)
Update date:2022-08-03
Topics:
Fiala, Werner
Stadlbauer, Wolfgang
Chlorination of 1-substituted 3-formyl-4-hydroxy-2-quinolones (1a, b) with phosphorylchloride leads to 4-chloro-3-dichloromethylquinolones (2), which can be hydrolyzed to 4-chloro-3-formylquinolones (4).From the anilinomethylene quinolinediones (3), at lo
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