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8-Carboxy-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxazine, 3,4-Dihydro-4-methyl-3-oxo-2H-benzo[b][1,4]oxazine-8-carboxylic acid synthesis

6synthesis methods
-

Yield:141762-02-9 97.5%

Reaction Conditions:

with sodium hydroxide;hydrogen;palladium on activated charcoal in ethanol;water; for 5.5 h;

References:

Kawakita;Kuroita;Yasumoto;Sano;Inaba;Fukuda;Tahara [Chemical and Pharmaceutical Bulletin,1992,vol. 40,# 3,p. 624 - 630]