ChemicalBook CAS DataBase List 1-Dibenzofuranamine

1-Dibenzofuranamine synthesis

12synthesis methods

Product Name:1-Dibenzofuranamine
CAS Number:50548-40-8
Molecular formula:C12H9NO
Molecular Weight:183.21

87812-99-5 Synthesis

87812-99-5
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50548-40-8
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Yield:50548-40-8 97%

Reaction Conditions:

with iron;ammonium chloride in ethanol;water at 50; for 3 h;

Steps:

1.S2; 2.S2

The product obtained in the steps S1 and S1, 1-nitrodibenzofuran (5 g, 0.023 mol)Add 250 mL round bottom flask, add ethanol (40 mL), water (10 mL),Iron powder (6.5g, 0.117mol),Ammonium chloride (12.4 g, 0.23 mol), stirred at 50 ° C for 3 h,After the reaction is completed, it is filtered.The filtrate was extracted with dimethyl ether and concentrated.Obtained a brownish yellow solid, 1-aminodibenzofuran, 4.2g.The yield of the product was 97% and the purity was 99%;

References:

CN110041295,2019,A Location in patent:Paragraph 0022; 0025; 0027; 0030