3-Chloro-2-hydroxy-5-nitropyridine
3-Chloro-2-hydroxy-5-nitropyridine Basic information
- Product Name:
- 3-Chloro-2-hydroxy-5-nitropyridine
- Synonyms:
-
- 3-CHLORO-5-NITRO-PYRIDIN-2-OL
- 3-CHLORO-2-HYDROXY-5-NITROPYRIDINE
- 2-HYDROXY-3-CHLORO-5-NITROPYRIDINE
- 3-chloro-5-nitro-2-pyridinol
- 3-Chloro-2-hydroxy-5-nitropyridine ,97%
- 2-Hydroxy-3-Chloro-5-Methyl Pyridine
- 3-Chloro-5-nitro-2-pyridone
- 2(1H)-Pyridinone, 3-chloro-5-nitro-
- CAS:
- 22353-38-4
- MF:
- C5H3ClN2O3
- MW:
- 174.54
- Product Categories:
-
- Heterocycle-Pyridine series
- Pyridine
- Pyridines, Pyrimidines, Purines and Pteredines
- Pyridines
- Mol File:
- 22353-38-4.mol
3-Chloro-2-hydroxy-5-nitropyridine Chemical Properties
- Melting point:
- 187-189°
- Boiling point:
- 286.1±40.0 °C(Predicted)
- Density
- 1.61±0.1 g/cm3(Predicted)
- storage temp.
- Inert atmosphere,Room Temperature
- solubility
- soluble in Methanol
- form
- powder to crystal
- pka
- 6.58±0.10(Predicted)
- color
- White to Light yellow
- InChI
- InChI=1S/C5H3ClN2O3/c6-4-1-3(8(10)11)2-7-5(4)9/h1-2H,(H,7,9)
- InChIKey
- GTOXJMNILNYXLE-UHFFFAOYSA-N
- SMILES
- C1(=O)NC=C([N+]([O-])=O)C=C1Cl
3-Chloro-2-hydroxy-5-nitropyridine Usage And Synthesis
Uses
3-Chloro-2-hydroxy-5-nitropyridine is a nitropyridine analogue. It is used as a raw material for organic synthesis or as a pharmaceutical intermediate compound.
Synthesis
5418-51-9
22353-38-4
2-Hydroxy-5-nitropyridine (200 g, 1.42 mol) was added in batches to 800 mL of concentrated hydrochloric acid under constant stirring and subsequently heated to 50 °C. Aqueous sodium chlorate solution (80.0 g, 0.75 mol dissolved in an appropriate amount of water) was added slowly and dropwise. The reaction temperature was maintained at 50 °C with continued stirring for 1 h. The reaction was cooled to 0 °C upon completion. The precipitated solid product was collected by filtration, washed thoroughly with cold water and dried to give 2-hydroxy-3-chloro-5-nitropyridine. Yield: 240 g, 1.37 mol (96.0% yield). Melting point: 195-197 °C. 1H NMR (300 MHz, DMSO-d6): δ 8.65 (d, 1H, J = 2.5 Hz), 8.36 (d, 1H, J = 2.5 Hz). 13C NMR (300 MHz, DMSO-d6): δ 153.40, 144.29, 143.59, 135.08. 130.44. mass spectrum (ES): m/z 175 ([M + H]+).
References
[1] European Journal of Medicinal Chemistry, 2012, vol. 58, p. 355 - 360
[2] Patent: WO2004/50637, 2004, A2. Location in patent: Page 66-67
[3] Synthesis, 1990, # 6, p. 499 - 501
[4] Patent: WO2014/115080, 2014, A1. Location in patent: Page/Page column 67; 68
[5] Patent: US6133253, 2000, A
3-Chloro-2-hydroxy-5-nitropyridine Preparation Products And Raw materials
Raw materials
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3-Chloro-2-hydroxy-5-nitropyridine(22353-38-4)Related Product Information
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