| Identification | Back Directory | [Name]
2-AMINO-5-BROMO-BENZOIC ACID ETHYL ESTER | [CAS]
63243-76-5 | [Synonyms]
ETHYL 2-AMINO-5-BROMOBENZOATE
2-AMINO-5-BROMO-BENZOIC ACID ETHYL ESTER
Benzoic acid, 2-aMino-5-broMo-, ethyl ester | [Molecular Formula]
C9H10BrNO2 | [MDL Number]
MFCD03428545 | [MOL File]
63243-76-5.mol | [Molecular Weight]
244.09 |
| Chemical Properties | Back Directory | [Melting point ]
187 °C(Solv: ethanol (64-17-5)) | [Boiling point ]
301.2±22.0 °C(Predicted) | [density ]
1.503±0.06 g/cm3(Predicted) | [storage temp. ]
under inert gas (nitrogen or Argon) at 2–8 °C | [pka]
1.77±0.10(Predicted) | [Appearance]
White to off-white Solid |
| Hazard Information | Back Directory | [Synthesis]
To a 100 mL three-necked round-bottomed flask was added 2-amino-5-bromobenzoic acid (5 g, 23.14 mmol, 1.00 equiv) and anhydrous ethanol (100 mL). Dry hydrogen chloride gas was passed to saturation and the reaction mixture was subsequently heated to reflux for 12 hours. Upon completion of the reaction, saturated sodium bicarbonate solution was slowly added to neutralize the reaction system. The solvent was removed by distillation under reduced pressure to give the crude product. The crude product was purified by fast column chromatography (silica gel, eluent ratio was adjusted according to the TLC results) to give ethyl 2-amino-5-bromobenzoate (2.5 g, 44% yield) as a yellow solid. | [References]
[1] Bioorganic and Medicinal Chemistry Letters, 2009, vol. 19, # 19, p. 5746 - 5752
[2] Patent: WO2014/182951, 2014, A1. Location in patent: Paragraph 00281
[3] Bioorganic and Medicinal Chemistry Letters, 2007, vol. 17, # 23, p. 6481 - 6488
[4] Patent: EP1180514, 2002, A1. Location in patent: Example 75
[5] Journal of Organic Chemistry, 2018, vol. 83, # 3, p. 1154 - 1159 |
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