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Sodium Methoxide → 1-[(3R,4R)-1-Benzyl-3-(4-chloro-phenyl)-piperidin-4-yl]-ethanone

HRID 2191114
Notes
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Reaction equation

HRID 2191114 reaction equation
CON(C)[C:4]([C@H:6]1[CH2:11][CH2:10][N:9]([CH2:12][C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=2)[CH2:8][C@H:7]1[C:19]1[CH:24]=[CH:23][C:22]([Cl:25])=[CH:21][CH:20]=1)=[O:5].[CH3:27][Mg]Br.C[O-].[Na+]>CO>[CH2:12]([N:9]1[CH2:10][CH2:11][C@@H:6]([C:4](=[O:5])[CH3:27])[C@H:7]([C:19]2[CH:24]=[CH:23][C:22]([Cl:25])=[CH:21][CH:20]=2)[CH2:8]1)[C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=1
ParticipantsProcedureSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 10942334Sodium MethoxideHCID 59438116(3R,4S)-1-Benzyl-3-(4-chloro-phenyl)-piperidine-4-carboxylic acid methoxy-methyl-amideHCID 178418573HCID 178418573, compound

Product 1

HCID 594381721-[(3R,4R)-1-Benzyl-3-(4-chloro-phenyl)-piperidin-4-yl]-ethanone

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

In analogy to the procedure described for the synthesis of 1-[(3SR,4SR)-1-benzyl-3-(4-chloro-phenyl)-piperidin-4-yl]-ethanone (example 5 (c)) the title compound was prepared from (3R,4S)-1-Benzyl-3-(4-chloro-phenyl)-piperidine-4-carboxylic acid methoxy-methyl-amide and methylmagnesium bromide with subsequent epimerisation with NaOMe in methanol. The title compound was obtained as off-white solid. MS (m/e): 327.1 [(M+H)+].

Sources & evidence

ORD record
ord-aeed00db61824ad3a20f9812ad461c8d
Source dataset
uspto-grants-2012_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08324248B2

Reaction notes

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On this pageParticipantsProcedureSources & evidenceReaction notes