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1,2-Dichloroethane → (S)-tert-butyl (2-(4-(3-amino-6-(tetrahydro-2H-pyran-4-yl)pyrazin-2-yl)-2-fluorobenzamido)-2-(3-chlorophenyl)ethyl)carbamate

HRID 595951
Notes
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Reaction equation

HRID 595951 reaction equation
[NH2:1][C:2]1[C:3]([C:14]2[CH:22]=[CH:21][C:17]([C:18]([OH:20])=O)=[C:16]([F:23])[CH:15]=2)=[N:4][C:5]([CH:8]2[CH2:13][CH2:12][O:11][CH2:10][CH2:9]2)=[CH:6][N:7]=1.[NH2:24][C@@H:25]([C:35]1[CH:40]=[CH:39][CH:38]=[C:37]([Cl:41])[CH:36]=1)[CH2:26][NH:27][C:28](=[O:34])[O:29][C:30]([CH3:33])([CH3:32])[CH3:31].C(Cl)CCl.CCN(C(C)C)C(C)C>CN(C=O)C>[NH2:1][C:2]1[C:3]([C:14]2[CH:22]=[CH:21][C:17]([C:18]([NH:24][C@@H:25]([C:35]3[CH:40]=[CH:39][CH:38]=[C:37]([Cl:41])[CH:36]=3)[CH2:26][NH:27][C:28](=[O:34])[O:29][C:30]([CH3:33])([CH3:32])[CH3:31])=[O:20])=[C:16]([F:23])[CH:15]=2)=[N:4][C:5]([CH:8]2[CH2:13][CH2:12][O:11][CH2:10][CH2:9]2)=[CH:6][N:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 111,2-DichloroethaneHCID 81531DiisopropylethylamineHCID 69108925[(S)-2-amino-2-(3-chloro-phenyl)-ethyl]-carbamic acid tert-butyl esterHCID 1180447134-(3-amino-6-(tetrahydro-2H-pyran-4-yl)pyrazin-2-yl)-2-fluorobenzoic acid

Product 1

HCID 118054557(S)-tert-butyl (2-(4-(3-amino-6-(tetrahydro-2H-pyran-4-yl)pyrazin-2-yl)-2-fluorobenzamido)-2-(3-chlorophenyl)ethyl)carbamate
Yield 99%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

To a solution of 4-(3-amino-6-(tetrahydro-2H-pyran-4-yl)pyrazin-2-yl)-2-fluorobenzoic acid (35 mg, 0.110 mmol) in DMF (368 μL) was add (S)-tert-butyl (2-amino-2-(3-chlorophenyl)ethyl)carbamate (33.9 mg, 0.110 mmol), aza-HOBt (22.52 mg, 0.165 mmol), EDC (31.7 mg, 0.165 mmol), and DIEA (57.8 μL, 0.331 mmol). The reaction mixture was stirred at room temperature for 3 h. The reaction mixture was partitioned between EtOAc and water. The organic layer was washed by NaHCO3, water and brine, dried over anhydrous sodium sulfate, filtered off, and concentrated in vacuo yielding crude (S)-tert-butyl (2-(4-(3-amino-6-(tetrahydro-2H-pyran-4-yl)pyrazin-2-yl)-2-fluorobenzamido)-2-(3-chlorophenyl)ethyl)carbamate (>99%).

Workup

  1. customThe reaction mixture was partitioned between EtOAc and water
  2. washThe organic layer was washed by NaHCO3, water and brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. filtrationfiltered off
  5. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-12a3adbfe17d4a2080753c6a23c7f202
Source dataset
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09242996B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes