2-Amino-3,4-dichlorobenzoicacid

Product Name: 2-Amino-3,4-dichlorobenzoicacid
CAS No.: 20776-62-9
Chemical Name: 2-Amino-3,4-dichlorobenzoicacid
Synonyms: Benzoic acid, 2-amino-3,4-dichloro-
CBNumber: CB91073424
Molecular Formula: C7H5Cl2NO2
Formula Weight: 206.03
MOL File: 20776-62-9.mol

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2-Amino-3,4-dichlorobenzoicacid Property

Melting point:: 237-238 °C
Boiling point:: 356.2±42.0 °C(Predicted)
Density: 1.607±0.06 g/cm3(Predicted)
storage temp.: Keep in dark place,Inert atmosphere,Room temperature
pka: 4.34±0.10(Predicted)
Appearance: Off-white to light yellow Solid

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

TRC

Product number: A578885
Product name: 2-Amino-3,4-dichlorobenzoicAcid
Packaging: 50mg
Price: $65
Updated: 2021/12/16

TRC

Product number: A578885
Product name: 2-Amino-3,4-dichlorobenzoicAcid
Packaging: 250mg
Price: $285
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FA140843
Product name: 2-Amino-3,4-dichlorobenzoic acid
Packaging: 250mg
Price: $125
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FA140843
Product name: 2-Amino-3,4-dichlorobenzoic acid
Packaging: 500mg
Price: $220
Updated: 2021/12/16

AK Scientific

Product number: 5966CM
Product name: 2-Amino-3,4-dichlorobenzoicacid
Packaging: 1g
Price: $503
Updated: 2021/12/16

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2-Amino-3,4-dichlorobenzoicacid Chemical Properties,Usage,Production

Synthesis

18711-12-1

20776-62-9

General procedure for the synthesis of 2-amino-3,4-dichlorobenzoic acid from 6,7-dichloroindole-2,3-dione: 6,7-dichloroindole-2,3-dione (1 g, 4.6 mmol) was added to an aqueous (10.5 mL) suspension of potassium hydroxide (370 mg, 6.6 mmol) and potassium chloride (920 mg, 12.3 mmol) cooled to 0 °C . Subsequently, a 30 wt% aqueous hydrogen peroxide solution (1.1 mL, 35 mmol) was added slowly and dropwise. The reaction mixture was stirred at room temperature for 30 min, then ethyl acetate (4.0 mL) was added. The resulting mixture was washed sequentially with water, the organic layer was separated and dried over anhydrous sodium sulfate. Decarboxylation product (910 mg, 95% yield) was obtained after concentration under reduced pressure. The structure of the product was confirmed by 1H NMR (400 MHz, DMSO-d6): δ 13.16 (s, 1H), 7.73 (d, J = 8.6 Hz, 1H), 7.11 (s, 2H), 6.81 (d, J = 8.6 Hz, 1H).

References

[1] Patent: WO2016/176449, 2016, A1. Location in patent: Page/Page column 89
[2] Proceedings of the Royal Society of London, Series B: Biological Sciences, 1958, vol. 148, p. 481,488
[3] Journal of the American Chemical Society, 1956, vol. 78, p. 1251,1254
[4] Journal of Medicinal Chemistry, 1991, vol. 34, # 1, p. 217 - 222

2-Amino-3,4-dichlorobenzoicacid Preparation Products And Raw materials

Raw materials

Preparation Products

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20776-62-9