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Hydroxyamine hydrochloride → 1-(5-Benzyl-5-azaspiro[2.4]hept-7-yl)ethanone oxime

HRID 729431
Notes
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Reaction equation

HRID 729431 reaction equation
[CH2:1]([N:8]1[CH2:14][CH:13]([C:15](=O)[CH3:16])[C:10]2([CH2:12][CH2:11]2)[CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.Cl.[NH2:19][OH:20]>N1C=CC=CC=1.C(OCC)(=O)C>[CH2:1]([N:8]1[CH2:14][CH:13]([C:15](=[N:19][OH:20])[CH3:16])[C:10]2([CH2:12][CH2:11]2)[CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 443297Hydroxyamine hydrochlorideHCID 21978858HCID 21978858, compound

Product 1

HCID 723905271-(5-Benzyl-5-azaspiro[2.4]hept-7-yl)ethanone oximeYield 73.5%

Reagents, catalysts & solvents 2

HCID 1049PyridineSolventHCID 8857Ethyl AcetateSolvent

Procedure

1-(5-benzyl-5-azaspiro[2.4]hept-7-yl)ethanone (Example A2a, 3.93 g, 17.1 mmol) and hydroxylamine hydrochloride (1.78 g, 25.7 mmol) are stirred in pyridine (10 mL) at 90° C. After 20 hours, the reaction mixture is diluted with ethyl acetate and the organic layer is washed with saturated NaHCO3, water, and brine. The organic layer is dried with MgSO4, filtered, and the filtrate concentrated to afford 1-(5-benzyl-5-azaspiro[2.4]hept-7-yl)ethanone oxime as an oil (3.07 g). MSCI: m/z 245 (MH+).

Workup

  1. washthe organic layer is washed with saturated NaHCO3, water, and brine
  2. dry with materialThe organic layer is dried with MgSO4
  3. filtrationfiltered
  4. concentrationthe filtrate concentrated

Sources & evidence

ORD record
ord-79e0eb3e215042708b5c4a8290931045
Source dataset
uspto-grants-2009_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07582627B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes