2-AMINO-4-BROMOBENZALDEHYDE Chemical Properties

Melting point:

85 °C

Boiling point:

317.1±32.0 °C(Predicted)

Density 

1.672±0.06 g/cm3(Predicted)

storage temp. 

Keep in dark place,Inert atmosphere,Store in freezer, under -20°C

pka

-0.72±0.10(Predicted)

Appearance

Off-white to yellow Solid

InChI

InChI=1S/C7H6BrNO/c8-6-2-1-5(4-10)7(9)3-6/h1-4H,9H2

InChIKey

ZZVUOSVSPAPBEJ-UHFFFAOYSA-N

SMILES

C(=O)C1=CC=C(Br)C=C1N

Safety Information

HS Code 

2922390090

2-AMINO-4-BROMOBENZALDEHYDE Usage And Synthesis

Application

2-Amino-4-bromobenzaldehyde is an organic synthesis intermediate and a pharmaceutical intermediate that can be used in laboratory research and development processes as well as in chemical and pharmaceutical synthesis.

Synthesis

Step 3. Synthesis of 2-amino-4-bromobenzaldehyde: Iron powder was added to 0.2 M of 4-bromo-2-nitrobenzaldehyde in a mixed solvent system of acetic acid and ethanol (v/v 1:1) under argon protection. The reaction mixture was stirred at room temperature for 1.5 h. The completion of the reaction was confirmed by LCMS monitoring. The insoluble solids were removed by filtration and the filtrate was concentrated under vacuum. The residue was diluted with ethyl acetate, washed sequentially with saturated sodium bicarbonate solution and brine, and the organic phase was dried over anhydrous sodium sulfate and concentrated. The crude product was purified by Biotage system using hexane solution of 15% ethyl acetate as eluent to afford the target compound 2-amino-4-bromobenzaldehyde in 38% yield.ES/MS m/z 200/202 (MH+).

References

[1] Tetrahedron Letters, 2016, vol. 57, # 45, p. 5003 - 5008
[2] Patent: WO2016/86200, 2016, A1. Location in patent: Page/Page column 219
[3] Patent: WO2007/117607, 2007, A2. Location in patent: Page/Page column 333-334
[4] Chemische Berichte, 1909, vol. 42, p. 3697
[5] Bioorganic and Medicinal Chemistry, 2006, vol. 14, # 7, p. 2462 - 2467

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