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Trifluoroacetic acid → 3-Amino-1-(4-methoxy-benzenesulfonyl)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic acid tert-butyl ester

HRID 1793834
Notes
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Reaction equation

HRID 1793834 reaction equation
[C:1]([O:5][C:6]([CH:8]1[CH:14]([NH:15]C(OCC2C=CC(OC)=CC=2)=O)[CH2:13][CH:12]=[CH:11][CH2:10][N:9]1[S:28]([C:31]1[CH:36]=[CH:35][C:34]([O:37][CH3:38])=[CH:33][CH:32]=1)(=[O:30])=[O:29])=[O:7])([CH3:4])([CH3:3])[CH3:2].FC(F)(F)C(O)=O>ClCCl>[C:1]([O:5][C:6]([CH:8]1[CH:14]([NH2:15])[CH2:13][CH:12]=[CH:11][CH2:10][N:9]1[S:28]([C:31]1[CH:36]=[CH:35][C:34]([O:37][CH3:38])=[CH:33][CH:32]=1)(=[O:30])=[O:29])=[O:7])([CH3:4])([CH3:3])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 155505251-(4-Methoxy-benzenesulfonyl)-3-(4-methoxy-benzyloxycarbonyl-amino)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic Acid Tert-Butyl Ester

Product 1

HCID 120878683-Amino-1-(4-methoxy-benzenesulfonyl)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic acid tert-butyl ester

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

1-(4-Methoxy-benzenesulfonyl)-3-(4-methoxybenzyloxy carbonyl-amino)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic acid tert-butyl ester (370 mg, 0.71 mMol) is dissolved in Dichloromethane (15 ml) containing 3% Trifluoroacetic Acid. The reaction is stirred for 1 h at room temperature. The solvents are evaporated and the remaining oil is co-evaporated twice with Toluene. Flash-chromatography Dichloromethane/Methanol (7:1) to afford the free amine: Cal. 546.6 found (M)+=547.

Workup

  1. customThe solvents are evaporated

Sources & evidence

ORD record
ord-101bae37fd2f4ebaaa02fc0ff0a9d8d2
Source dataset
uspto-grants-2006_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07022690B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes