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[ CAS No. 1013642-97-1 ]

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Chemical Structure| 1013642-97-1
Chemical Structure| 1013642-97-1
Structure of 1013642-97-1 * Storage: {[proInfo.prStorage]}

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Product Details of [ 1013642-97-1 ]

CAS No. :1013642-97-1 MDL No. :MFCD15526856
Formula : C5H3BrN2O3 Boiling Point : -
Linear Structure Formula :- InChI Key :N/A
M.W :218.99 g/mol Pubchem ID :-
Synonyms :

Safety of [ 1013642-97-1 ]

Signal Word:Danger Class:6.1
Precautionary Statements:P261-P264-P270-P271-P280-P302+P352-P304+P340-P310-P330-P361-P403+P233-P405-P501 UN#:2811
Hazard Statements:H301-H311-H331 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 1013642-97-1 ]

  • Downstream synthetic route of [ 1013642-97-1 ]

[ 1013642-97-1 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 1013642-97-1 ]
  • [ 1013643-07-6 ]
YieldReaction ConditionsOperation in experiment
With hydrogen;platinum on carbon; In tetrahydrofuran; methanol; A solution of 5.3g (22.7mmol) <strong>[1013642-97-1]2-bromo-4-nitro-pyridin-3-ol</strong> in 100ml MeOH:THF = 1:2 is hydrogenated in the presence of 0.5g Pt/C (5%, Engelhard 4709). The reaction mixture is filtered (2 glass fiber filters used) and the filtrate is concentrated in vacuo to afford the crude title compound as a brown solid.
  • 2
  • [ 6602-32-0 ]
  • [ 1013642-97-1 ]
YieldReaction ConditionsOperation in experiment
With sulfuric acid; nitric acid; for 12.0h; To a solution of 13g (73.2mmol) 2-bromo-3-pyridinol (Fluka 18292) in 40ml of conc. sulfuric acid 5.1 ml (74mmol) of nitric acid (65%) are added at 0C. The reaction mixture is stirred at 0C for 12h, then poured on water and extracted 2x with EtOAc. The combinded organic layers are washed with water and saturated NaCl solution, dried over MgSO4, filtered and the filtrate is concentrated in vacuo. The residue is purified by chromatography (silicagel, EtOAc) to afford 5.3g of 2-bromo-4-nitro-pyridin-3-ol and 2g of 2-bromo-6-nitro-pyridin-3-ol.
Historical Records

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