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5-((2S,5R)-6-(benzyloxy)-7-oxo-1,6-diazabicyclo[3.2.1]octan-2-yl)-1,2,4-oxadiazole-3-carboxamide → 5-((2S,5R)-6-hydroxy-7-oxo-1,6-diazabicyclo[3.2.1]octan-2-yl)-1,2,4-oxadiazole-3-carboxamide

HRID 515640
Notes
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Reaction equation

HRID 515640 reaction equation
C([O:8][N:9]1[C:15](=[O:16])[N:14]2[CH2:17][C@H:10]1[CH2:11][CH2:12][C@H:13]2[C:18]1[O:22][N:21]=[C:20]([C:23]([NH2:25])=[O:24])[N:19]=1)C1C=CC=CC=1>CO.C1COCC1.[Pd]>[OH:8][N:9]1[C:15](=[O:16])[N:14]2[CH2:17][C@H:10]1[CH2:11][CH2:12][C@H:13]2[C:18]1[O:22][N:21]=[C:20]([C:23]([NH2:25])=[O:24])[N:19]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 1

HCID 867014125-((2S,5R)-6-(benzyloxy)-7-oxo-1,6-diazabicyclo[3.2.1]octan-2-yl)-1,2,4-oxadiazole-3-carboxamide

Product 1

HCID 867014135-((2S,5R)-6-hydroxy-7-oxo-1,6-diazabicyclo[3.2.1]octan-2-yl)-1,2,4-oxadiazole-3-carboxamideYield 93%

Reagents, catalysts & solvents 3

HCID 23938PalladiumCatalystHCID 887MethanolSolvent
HCID 8028
Tetrahydrofuran
Solvent

Procedure

To a solution of 5-((2S,5R)-6-(benzyloxy)-7-oxo-1,6-diazabicyclo[3.2.1]octan-2-yl)-1,2,4-oxadiazole-3-carboxamide (220 mg, 0.641 mmol) in MeOH (4.0 mL) and THF (12.0 mL) was added 10% Pd/C (13.6 mg, 0.013 mmol). The reaction mixture was stirred under hydrogen balloon for 1 h at rt, then filtered and concentrated to afford 5-((2S,5R)-6-hydroxy-7-oxo-1,6-diazabicyclo[3.2.1]octan-2-yl)-1,2,4-oxadiazole-3-carboxamide (˜150 mg, 93%), which was used directly in the next step.

Workup

  1. filtrationfiltered
  2. concentrationconcentrated

Sources & evidence

ORD record
ord-0fc2a66a8e4e4b3ba30f8742c8a57e3d
Source dataset
uspto-grants-2015_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09108966B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes