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((1R)-1-((N-Chloroacetyl-N-((1R)-1-(methylcarbamoyl)-2-phenylethyl)amino)methyl)-2-(2-naphthyl)ethyl)carbamic acid tert-butyl ester → (2R)-2-(N-((2R)-2-Amino-3-(2-naphthyl)propyl)-N-chloroacetyl-amino)-N-methyl-3-phenylpropionamide

HRID 650801
Notes
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Reaction equation

HRID 650801 reaction equation
C(OC(=O)[NH:7][C@@H:8]([CH2:20][N:21]([C:34](=[O:37])[CH2:35][Cl:36])[C@@H:22]([C:30](=[O:33])[NH:31][CH3:32])[CH2:23][C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1)[CH2:9][C:10]1[CH:19]=[CH:18][C:17]2[C:12](=[CH:13][CH:14]=[CH:15][CH:16]=2)[CH:11]=1)(C)(C)C>FC(F)(F)C(O)=O.C(Cl)Cl>[NH2:7][C@H:8]([CH2:9][C:10]1[CH:19]=[CH:18][C:17]2[C:12](=[CH:13][CH:14]=[CH:15][CH:16]=2)[CH:11]=1)[CH2:20][N:21]([C@H:22]([CH2:23][C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1)[C:30]([NH:31][CH3:32])=[O:33])[C:34](=[O:37])[CH2:35][Cl:36]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 1

HCID 54554336((1R)-1-((N-Chloroacetyl-N-((1R)-1-(methylcarbamoyl)-2-phenylethyl)amino)methyl)-2-(2-naphthyl)ethyl)carbamic acid tert-butyl ester

Product 1

HCID 54523801(2R)-2-(N-((2R)-2-Amino-3-(2-naphthyl)propyl)-N-chloroacetyl-amino)-N-methyl-3-phenylpropionamideYield 151.5%

Reagents, catalysts & solvents 2

HCID 6344DichloromethaneSolventHCID 6422Trifluoroacetic acidSolvent

Procedure

((1R)-1-((N-Chloroacetyl-N-((1R)-1-(methylcarbamoyl)-2-phenylethyl)amino)methyl)-2-(2-naphthyl)ethyl)carbamic acid tert-butyl ester (0.56 g, 1.04 mmol) was dissolved in a mixture of trifluoroacetic acid (4 ml) and methylene chloride (4 ml) and stirred for 40 min. The solvent was removed in vacuo and methylene chloride was added and removed in vacuo (3×10 ml) to afford 0.69 g of (2R)-2-(N-((2R)-2-amino-3-(2-naphthyl)propyl)-N-chloroacetylamino)-N-methyl-3-phenylpropionamide as a trifluoroacetate.

Workup

  1. customThe solvent was removed in vacuo and methylene chloride
  2. additionwas added
  3. customremoved in vacuo (3×10 ml)

Sources & evidence

ORD record
ord-1bd7a55cb134475baf7b7454d34fd8bf
Source dataset
uspto-grants-2001_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06274584B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes