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(R)-tert-butyl 2-((1S,2S)-2-(dibenzylamino)-1-hydroxy-3-phenylpropyl)pyrrolidine-1-carboxylate → (R)-tert-butyl 2-((1S,2S)-2-amino-1-hydroxy-3-phenylpropyl)pyrrolidine-1-carboxylate

HRID 732348
Notes
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Reaction equation

HRID 732348 reaction equation
[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][CH2:10][C@@H:9]1[C@@H:13]([OH:37])[C@@H:14]([N:22](CC1C=CC=CC=1)CC1C=CC=CC=1)[CH2:15][C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[H][H]>CO.[OH-].[OH-].[Pd+2]>[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][CH2:10][C@@H:9]1[C@@H:13]([OH:37])[C@@H:14]([NH2:22])[CH2:15][C:16]1[CH:17]=[CH:18][CH:19]=[CH:20][CH:21]=1)=[O:7])([CH3:4])([CH3:2])[CH3:3]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 58699983(R)-tert-butyl 2-((1S,2S)-2-(dibenzylamino)-1-hydroxy-3-phenylpropyl)pyrrolidine-1-carboxylateHCID 178418361HCID 178418361, compound

Product 1

HCID 67456206(R)-tert-butyl 2-((1S,2S)-2-amino-1-hydroxy-3-phenylpropyl)pyrrolidine-1-carboxylateYield 94.3%

Reagents, catalysts & solvents 2

HCID 9942167Palladium hydroxideCatalyst
HCID 887
Methanol
Solvent

Procedure

Dissolve 2-(R)-(2-(S)-dibenzylamino-1-(S)-hydroxy-3-phenylpropyl)-pyrrolidine-1-carboxylic acid tert-butyl ester (0.75 g, 1.49 mmol) in methanol (20 mL). Add 20% palladium hydroxide on carbon (0.33 g) and stir 1 h under one atmosphere of hydrogen gas. Filter through filter agent and concentrate to give the title compound as a white foam (0.45 g, 93%).

Workup

  1. filtrationFilter
  2. filtrationthrough filter agent
  3. concentrationconcentrate

Sources & evidence

ORD record
ord-fe4b6914a8cc41cdb702f900ccddb715
Source dataset
uspto-grants-2009_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07585885B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes