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Methane → (S)-3-[(S)-2-Amino-1-(4-trifluoromethylphenoxy)ethyl]pyrrolidine-1-carboxylic Acid t-Butyl Ester

HRID 475539
Notes
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Reaction equation

HRID 475539 reaction equation
[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][C@H:10]([C@H:13]([O:18][C:19]2[CH:24]=[CH:23][C:22]([C:25]([F:28])([F:27])[F:26])=[CH:21][CH:20]=2)[CH2:14][N:15]=[N+]=[N-])[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].C.O>[Pd].CCO>[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][C@H:10]([C@H:13]([O:18][C:19]2[CH:20]=[CH:21][C:22]([C:25]([F:28])([F:26])[F:27])=[CH:23][CH:24]=2)[CH2:14][NH2:15])[CH2:9]1)=[O:7])([CH3:4])([CH3:2])[CH3:3]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 297MethaneHCID 962WaterHCID 86666089(S)-3-[(S)-2-Azido-1-(4-trifluoromethylphenoxy)ethyl]pyrrolidine-1-carboxylic acid t-butyl ester

Product 1

HCID 67776985(S)-3-[(S)-2-Amino-1-(4-trifluoromethylphenoxy)ethyl]pyrrolidine-1-carboxylic Acid t-Butyl EsterYield 91.8%

Reagents, catalysts & solvents 2

HCID 23938
Palladium
Catalyst
2×
HCID 702EthanolSolvent

Procedure

(S)-3-[(S)-2-Azido-1-(4-trifluoromethylphenoxy)ethyl]pyrrolidine-1-carboxylic acid t-butyl ester (2.10 g, 5.24 mmol) was combined with 10% Pd/C, Degussa type, wet 50% (0.05:0.45:0.5, Palladium:carbon black:H2O, 1.1 g, 520 μmol) and EtOH (240 mL). The mixture was stirred under an atmosphere of hydrogen (1 atm) at room temperature for 1 hour. The catalyst was then removed by filtration through Celite (MeOH wash) and the filtrate was concentrated to yield the title compound (1.8 g).

Workup

  1. customThe catalyst was then removed by filtration through Celite (MeOH wash)
  2. concentrationthe filtrate was concentrated

Sources & evidence

ORD record
ord-1ea89c4b51c040c49f4619665b17aae3
Source dataset
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08637568B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes