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5959-32-0

Butanamide, 3-amino- synthesis

6synthesis methods
-

Yield:5959-32-0 97.8%

Reaction Conditions:

with hydrogen in methanol at 40; under 750.075 Torr;Autoclave;

Steps:

1.2; 2.2 Example 1

(2) Add 100 mL of methanol to a 250 mL autoclave with mechanical stirring.3-Aminocrotonamide (8.16 g, 0.08 mol) represented by formula (II-1)Raney nickel 0.4g, access H2, maintain pressure 0.1MPa,Reaction at 40 °C, after complete detection by liquid chromatography,The catalyst was removed by filtration, and the solvent was distilled off under reduced pressure to obtain the formula (III-1).3-aminobutenamide 7.98 g, purity 98.0% by liquid chromatographyYield 97.8%. Liquid chromatography detection conditions: C18 column,The mobile phase volume was: acetonitrile: 0.05% (v:v) aqueous formic acid = 60:40.

References:

CN107501120,2017,A Location in patent:Paragraph 0021; 0023; 0024; 0027; 0028