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Trifluoroacetic acid → Trifluoroacetic acid

HRID 253573
Notes
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Reaction equation

HRID 253573 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([C@H:8]([O:22][CH2:23][CH2:24][NH:25][C:26]([O:28][CH3:29])=[O:27])[C@@H:9]2[CH2:14][CH2:13][CH2:12][N:11](C(OC(C)(C)C)=O)[CH2:10]2)[CH:5]=[CH:6][CH:7]=1.[C:30]([OH:36])([C:32]([F:35])([F:34])[F:33])=[O:31]>C(Cl)Cl>[Cl:1][C:2]1[CH:3]=[C:4]([C@@H:8]([C@@H:9]2[CH2:14][CH2:13][CH2:12][NH:11][CH2:10]2)[O:22][CH2:23][CH2:24][NH:25][C:26](=[O:27])[O:28][CH3:29])[CH:5]=[CH:6][CH:7]=1.[C:30]([OH:36])([C:32]([F:35])([F:34])[F:33])=[O:31]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 6422Trifluoroacetic acidHCID 595984981-Piperidinecarboxylic acid, 3-[(R)-(3-chlorophenyl)[2-[(methoxycarbonyl)amino]ethoxy]methyl]-, 1,1-dimethylethyl ester, (3R)-

Product 2

HCID 6422Trifluoroacetic acidHCID 59598478Carbamic acid,N-[2-[(R)-(3-chlorophenyl)(3R)-3-piperidinylmethoxy]ethyl]-,methyl ester

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

To a stirred solution of (R)-tert-butyl 3-((R)-(3-chlorophenyl)(2-(methoxycarbonylamino)-ethoxy)methyl)piperidine-1-carboxylate (91 mg, 0.21 mmol) in CH2Cl2 (3 mL) at rt was added TFA (0.5 mL). The mixture was stirred until complete removal of the Boc group had occurred. The solvent was removed under vacuum to give methyl 2-((R)-(3-chlorophenyl)((R)-piperidin-3-yl)methoxy)ethylcarbamate as its TFA salt. MS: 327 (M+H)+.

Workup

  1. customThe solvent was removed under vacuum

Sources & evidence

ORD record
ord-73fabd9cbbc4491b9b0e32afd949473d
Source dataset
uspto-grants-2011_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07872028B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes