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HCID 12519460, compound → 1H-Imidazole-2-carboxaldehyde, 1-[2-(acetyloxy)ethyl]-5-nitro-

HRID 462219
Notes
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Reaction equation

HRID 462219 reaction equation
[C:1]([O:4][CH2:5][CH2:6][N:7]1[C:11]([N+:12]([O-:14])=[O:13])=[CH:10][N:9]=[C:8]1[CH2:15][OH:16])(=[O:3])[CH3:2].C([O-])(=O)C.C([O-])(=O)C.C([O-])(=O)C.C([O-])(=O)C.[Pb+4]>C1C=CC=CC=1>[C:1]([O:4][CH2:5][CH2:6][N:7]1[C:11]([N+:12]([O-:14])=[O:13])=[CH:10][N:9]=[C:8]1[CH:15]=[O:16])(=[O:3])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 12519460HCID 12519460, compoundHCID 178418268HCID 178418268, compound

Product 1

HCID 122143961H-Imidazole-2-carboxaldehyde, 1-[2-(acetyloxy)ethyl]-5-nitro-

Reagents, catalysts & solvents 1

HCID 241BenzeneSolvent

Procedure

A 6.27 gm. portion of 1-(2-acetoxyethyl)-2-hydroxymethyl-5-nitroimidazole is refluxed with 13.3 gm. of lead tetraacetate in 200 ml. of benzene for 18 hours, cooled, and filtered. The filtrate is washed with 50 ml. of saturated sodium carbonate solution, and the organic phase is separated therefrom. The remaining aqueous phase is twice extracted with 30 ml. of chloroform, and then combined with the above separated organic phase. The combined organic phases are dried under magnesium sulfate, and filtered. The organic solvents are then removed in vacuo, giving the above aldehyde.

Workup

  1. temperaturecooled
  2. filtrationfiltered
  3. washThe filtrate is washed with 50 ml
  4. customof saturated sodium carbonate solution, and the organic phase is separated
  5. extractionThe remaining aqueous phase is twice extracted with 30 ml
  6. customThe combined organic phases are dried under magnesium sulfate
  7. filtrationfiltered
  8. customThe organic solvents are then removed in vacuo

Sources & evidence

ORD record
ord-63a5e675333043e79d1ce0de3bb017bf
Source dataset
uspto-grants-1977_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04065567

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes