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31431-20-6

1-(4-Amino-3-nitro-phenyl)-propan-1-one synthesis

3synthesis methods
Acetamide, N-[2-nitro-4-(1-oxopropyl)phenyl]-

100061-02-7
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1-(4-Amino-3-nitro-phenyl)-propan-1-one

31431-20-6
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Yield:31431-20-6 1.75 g

Reaction Conditions:

with hydrogenchloride;water for 1 h;Reflux;

Steps:

50.B Step B: 1-(4-amino-3-nitrophenyl)propan-1-one

A solution of V-(2-nitro-4-propionylphenyl)acetamide (3.36 g, 10 mmol) in 30 mL 35% HC1 was heated to reflux for 1 h and cooled. The pH was adjusted to 7 by adding aqueous ammonia under stirring. The precipitate was collected by filtration to give the desired product as a yellow solid (1.75 g, 90%).

References:

WO2013/97773,2013,A1 Location in patent:Paragraph 0286