![](/CAS/GIF/1443759-42-9.gif)
methyl 4-amino-6-methoxypyridine-2-carboxylate synthesis
- Product Name:methyl 4-amino-6-methoxypyridine-2-carboxylate
- CAS Number:1443759-42-9
- Molecular formula:C8H10N2O3
- Molecular Weight:182.18
![Methanol](/CAS/GIF/67-56-1.gif)
67-56-1
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![2-chloro-6-methoxypyridin-4-amine](/CAS/GIF/1008304-85-5.gif)
1008304-85-5
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Yield:1443759-42-9 34%
Reaction Conditions:
with (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride;triethylamine at 100; for 6 h;
Steps:
35.2; 36.2 35.2: 4-Amino-6-methoxy-pyridine-2-carboxylic acid methyl ester
35.2: 4-Amino-6-methoxy-pyridine-2-carboxylic acid methyl ester A mixture of 3.10 g (19.5 mmol) 2-chloro-6-methoxy-pyridin-4-ylamine, 410 mg (0.550 mmol) 1 , -bis(diphenylphosphino)ferrocenedichloropalladium(II) and 5.62 mL (40.0 mmol) TEA in 60 mL MeOH was stirred at 100 °C for 6 h under carbon monoxide atmosphere. The solvent was evaporated. The resulting residue was purified by flash chromatography (PE/EtOAc = 3/1). yield: 1.20 g (34 %); ESI-MS: m/z = 183 (M+H)+; Rt(HPLC): 0.40 min (method 5)
References:
WO2013/87805,2013,A1 Location in patent:Page/Page column 74; 76
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2587-02-2
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