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Ethanol → HCID 178441542, compound

HRID 21860
Notes
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Reaction equation

HRID 21860 reaction equation
Cl.[CH2:2]([C:6]1[N:7]([CH2:14][C:15]2[CH:20]=[CH:19][C:18]([C:21]3[CH:26]=[CH:25][CH:24]=[CH:23][C:22]=3[C:27]3[NH:31][N:30]=[N:29][N:28]=3)=[CH:17][CH:16]=2)[CH:8]=[C:9]([CH2:11][CH2:12][NH2:13])[N:10]=1)[CH2:3][CH2:4][CH3:5].[C:32]([O:36][CH2:37][CH3:38])(=[O:35])[CH:33]=O.C(O)C>C(Cl)(Cl)Cl>[CH2:2]([C:6]1[N:7]([CH2:14][C:15]2[CH:20]=[CH:19][C:18]([C:21]3[CH:26]=[CH:25][CH:24]=[CH:23][C:22]=3[C:27]3[NH:31][N:30]=[N:29][N:28]=3)=[CH:17][CH:16]=2)[C:8]2[CH:33]([C:32]([O:36][CH2:37][CH3:38])=[O:35])[NH:13][CH2:12][CH2:11][C:9]=2[N:10]=1)[CH2:3][CH2:4][CH3:5]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 702EthanolHCID 70211Ethyl oxoacetateHCID 1784416472-n-butyl-4-(2-aminoethyl)-1-[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methylimidazole hydrochloride

Product 1

HCID 178441542HCID 178441542, compoundYield 44.1%

Reagents, catalysts & solvents 1

HCID 6212ChloroformSolvent

Procedure

A mixture of 2-n-butyl-4-(2-aminoethyl)-1-[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methylimidazole hydrochloride (0.278 g), ethyl glyoxylate (0.179 g) and ethanol (5 ml) is refluxed for three days. To the mixture is added chloroform, and the mixture is washed, dried and evaporated to remove the solvent. The residue is purified by silica gel column chromatography (solvent; chloroform/methanol=10:1) to give ethyl 2-n-butyl-3-[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl-4,5,6,7-tetrahydroimidazo[4,5-c]pyridine-4-carboxylate (0.136 g) as a foam.

Workup

  1. temperatureis refluxed for three days
  2. washthe mixture is washed
  3. customdried
  4. customevaporated
  5. customto remove the solvent
  6. customThe residue is purified by silica gel column chromatography (solvent; chloroform/methanol=10:1)

Sources & evidence

ORD record
ord-742dd5582cf84816bba334ec2f3a2fc0
Source dataset
uspto-grants-1995_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05424316

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes