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Triethylamine → (3S)-2-Oxo-3-benzoylamino-5-(3-phenylpropionyl)-2,3,4,5-tetrahydro-1H-1,5-benzodiazepine-1-acetic acid methyl ester

HRID 2230465
Notes
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Reaction equation

HRID 2230465 reaction equation
[CH3:1][O:2][C:3](=[O:26])[CH2:4][N:5]1[C:11]2[CH:12]=[CH:13][CH:14]=[CH:15][C:10]=2[NH:9][CH2:8][C@H:7]([NH:16][C:17](=[O:24])[C:18]2[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=2)[C:6]1=[O:25].C(N(CC)CC)C.[C:34]1([CH2:40][CH2:41][C:42](Cl)=[O:43])[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=1>C(Cl)Cl>[CH3:1][O:2][C:3](=[O:26])[CH2:4][N:5]1[C:11]2[CH:12]=[CH:13][CH:14]=[CH:15][C:10]=2[N:9]([C:42](=[O:43])[CH2:41][CH2:40][C:34]2[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=2)[CH2:8][C@H:7]([NH:16][C:17](=[O:24])[C:18]2[CH:19]=[CH:20][CH:21]=[CH:22][CH:23]=2)[C:6]1=[O:25]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 64801Benzenepropanoyl chlorideHCID 66757075HCID 66757075, compound

Product 1

HCID 57159598(3S)-2-Oxo-3-benzoylamino-5-(3-phenylpropionyl)-2,3,4,5-tetrahydro-1H-1,5-benzodiazepine-1-acetic acid methyl esterYield 87%

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent
2×

Procedure

A solution of (3S)-2-oxo-3-benzoylamino-2,3,4,5-tetrahydro-1H-1,5-benzodiazepine-1-acetic acid methyl ester (200 mg, 0.57 mmol) in CH2Cl2 (10 ml) was treated with triethylamine (119 mg, 1.13 mmol) and 3-phenylpropionyl chloride (114 mg, 0.68 mmol). The reaction was stirred at RT for 30 min and diluted with CH2Cl2. The solution was washed with aq. 10% HCl, sat. aq. NaHCO3 and sat. aq. NaCl, dried over Na2SO4 and concentrated in vacuo to give 240 mg (87%) of 602a as a white foam.

Workup

  1. washThe solution was washed with aq. 10% HCl, sat. aq. NaHCO3 and sat. aq. NaCl
  2. dry with materialdried over Na2SO4
  3. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-c4e28354b04c4250b5b9062ad11dc1cb
Source dataset
uspto-grants-2002_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06423840B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes