[Synthesis of heterocyclic compounds with nitrogen.  98.  Reaction of alpha-halogenated ketones with 3-nitro-4-hydroxypyridine and with 3-amino-4-hydroxypyridine].
D054879:Halogenation; D006571:Heterocyclic Compounds; D007659:Ketones; D009584:Nitrogen; D011725:Pyridines; D011728:Pyridones
D006571:Heterocyclic Compounds; D007659:Ketones; D011725:Pyridines; D011728:Pyridones; C534143:4-pyridone; C023500:3-hydroxypyridine; D009584:Nitrogen
KETONES; PYRIDINES
Uber die Synthese der heterozyklischen Verbindungen mit Stickstoff.  XCVIII.  Einwirkungen von alpha-Halogenketonen auf 3-Nitro-4-oxypyridin sowie 3-Amino-4-oxypyridin.