![](/CAS/GIF/141762-02-9.gif)
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
- Product Name: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
- CAS Number:141762-02-9
- Molecular formula:C10H9NO4
- Molecular Weight:207.18
![6-Chloro-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxanine-8-carboxylic acid](/CAS/GIF/123040-79-9.gif)
123040-79-9
93 suppliers
$19.00/250mg
![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](/CAS/GIF/141762-02-9.gif)
141762-02-9
9 suppliers
$247.41/500mgs:
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]
![Methyl 5-chloro-2-hydroxybenzoate](/CAS/GIF/4068-78-4.gif)
4068-78-4
193 suppliers
$12.00/5g
![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](/CAS/GIF/141762-02-9.gif)
141762-02-9
9 suppliers
$247.41/500mgs:
![Methyl 3-amino-5-chloro-2-hydroxybenzoate](/CAS/GIF/5043-81-2.gif)
5043-81-2
126 suppliers
$31.00/250mg
![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](/CAS/GIF/141762-02-9.gif)
141762-02-9
9 suppliers
$247.41/500mgs:
![6-Chloro-3,4-dihydro-3-oxo-2H-1,4-benzoxazine-8-carboxylic acid methyl ester](/CAS/GIF/123040-75-5.gif)
123040-75-5
51 suppliers
$65.00/500mg
![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](/CAS/GIF/141762-02-9.gif)
141762-02-9
9 suppliers
$247.41/500mgs:
![METHYL 5-CHLORO-2-HYDROXY-3-NITROBENZOATE](/CAS/GIF/5043-79-8.gif)
5043-79-8
65 suppliers
$35.00/1g
![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](/CAS/GIF/141762-02-9.gif)
141762-02-9
9 suppliers
$247.41/500mgs: