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Hydroxyamine hydrochloride → 4-(2,6-Dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]octane-1-carbaldehyde oxime

HRID 480140
Notes
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Reaction equation

HRID 480140 reaction equation
[O:1]=[C:2]1[N:10]([CH2:11][CH2:12][CH3:13])[C:9]2[N:8]=[C:7]([C:14]34[CH2:21][CH2:20][C:17]([CH:22]=O)([CH2:18][CH2:19]3)[CH2:16][CH2:15]4)[NH:6][C:5]=2[C:4](=[O:24])[N:3]1[CH2:25][CH2:26][CH3:27].Cl.[NH2:29][OH:30].CC([O-])=O.[Na+]>CO.O>[O:1]=[C:2]1[N:10]([CH2:11][CH2:12][CH3:13])[C:9]2[N:8]=[C:7]([C:14]34[CH2:15][CH2:16][C:17]([CH:22]=[N:29][OH:30])([CH2:18][CH2:19]3)[CH2:20][CH2:21]4)[NH:6][C:5]=2[C:4](=[O:24])[N:3]1[CH2:25][CH2:26][CH3:27]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 443297Hydroxyamine hydrochlorideHCID 517045Sodium AcetateHCID 99294054-(2,6-dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]octane-1-carbaldehyde

Product 1

HCID 865917414-(2,6-Dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]octane-1-carbaldehyde oximeYield 84%

Reagents, catalysts & solvents 2

HCID 887
Methanol
Solvent
HCID 962WaterSolvent

Procedure

To a stirred solution of 4-(2,6-dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]octane-1-carbaldehyde (1.6 g, 4.3 mmol) in MeOH (30 ml) was added hydroxylamine hydrochloride (1.2 eq, 5.16 mmol, 356 mg) and a solution of NaOAc (trihydrate, 1.5 eq, 6.45 mmol, 890 mg) in water (10 ml). The resulting mixture was stirred at rt overnight. The mixture was concentrated in vacuo and the solid residue was suspended in water (15 ml), collected, washed with water and dried to afford a white powder (1.4 g, 84%).

Workup

  1. concentrationThe mixture was concentrated in vacuo
  2. customcollected
  3. washwashed with water
  4. customdried

Sources & evidence

ORD record
ord-f28088170e054740a177e152408914d1
Source dataset
uspto-grants-2003_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06649600B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes