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({(1S,2S,4R)-4-azido-2-[(benzyloxy)methyl]cyclopentyl}-oxy)(tert-butyl)dimethylsilane → (1R,3S,4S)-3-[(benzyloxy)methyl]-4-{[tert-butyl(dimethyl)-silyl]oxy}cyclopentanamine

HRID 1747605
Notes
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Reaction equation

HRID 1747605 reaction equation
[N:1]([C@H:4]1[CH2:8][C@H:7]([O:9][Si:10]([C:13]([CH3:16])([CH3:15])[CH3:14])([CH3:12])[CH3:11])[C@H:6]([CH2:17][O:18][CH2:19][C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)[CH2:5]1)=[N+]=[N-]>CCOC(C)=O.[Pd]>[CH2:19]([O:18][CH2:17][C@H:6]1[C@@H:7]([O:9][Si:10]([C:13]([CH3:15])([CH3:14])[CH3:16])([CH3:12])[CH3:11])[CH2:8][C@H:4]([NH2:1])[CH2:5]1)[C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 1

HCID 86618712({(1S,2S,4R)-4-azido-2-[(benzyloxy)methyl]cyclopentyl}-oxy)(tert-butyl)dimethylsilane

Product 1

HCID 66798113(1R,3S,4S)-3-[(benzyloxy)methyl]-4-{[tert-butyl(dimethyl)-silyl]oxy}cyclopentanamineYield 98.5%

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalystHCID 8857Ethyl AcetateSolvent

Procedure

A suspension of ({(1S,2S,4R)-4-azido-2-[(benzyloxy)methyl]cyclopentyl}-oxy)(tert-butyl)dimethylsilane (2.20 g, 0.00608 mol) and 10% Pd/C (0.16 g, 0.00015 mol) in EtOAc (23.9 mL) was stirred under an atmosphere of hydrogen overnight. The reaction was purged with nitrogen and the mixture filtered through celite with EtOAc. The filtrate was concentrated to obtain 2.01 g (98%) of the title compound.

Workup

  1. customThe reaction was purged with nitrogen
  2. filtrationthe mixture filtered through celite with EtOAc
  3. concentrationThe filtrate was concentrated

Sources & evidence

ORD record
ord-6e89032049b34e47bdf96027803c4ec9
Source dataset
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09150525B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes