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Benzyl mercaptan → 2-[(4'-Methoxy[1,1'-biphenyl]-4-yl)sulfonyl]amino-4-hydroxy-5-(benzylthio)-pentanoic Acid

HRID 1884281
Notes
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Reaction equation

HRID 1884281 reaction equation
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([C:9]2[CH:14]=[CH:13][C:12]([S:15]([NH:18][CH:19]3[CH2:23][CH:22]([CH2:24][S:25][CH2:26][C:27]4[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=4)[O:21][C:20]3=[O:33])(=[O:17])=[O:16])=[CH:11][CH:10]=2)=[CH:5][CH:4]=1.C[O:35]C1C=CC(C2C=CC(S(NC(CC3OC3)C(OC)=O)(=O)=O)=CC=2)=CC=1.C([O-])(O)=O.[Na+].CCN(CC)CC.C(S)C1C=CC=CC=1>C1C=CC=CC=1.O>[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([C:9]2[CH:10]=[CH:11][C:12]([S:15]([NH:18][CH:19]([CH2:23][CH:22]([OH:35])[CH2:24][S:25][CH2:26][C:27]3[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=3)[C:20]([OH:21])=[O:33])(=[O:17])=[O:16])=[CH:13][CH:14]=2)=[CH:5][CH:4]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 5

HCID 7509Benzyl mercaptanHCID 8471TriethylamineHCID 516892Sodium BicarbonateHCID 12073922Methyl 2-[(4'-methoxy[1,1'-biphenyl]-4-yl)sulfonyl]amino-4,5-epoxypentanoateHCID 235082703-[(4'-Methoxy[1,1'-biphenyl]-4-yl)sulfonyl]amino-2-oxo-5-[(benzylthio)methyl]-tetrahydrofuran

Product 1

HCID 9935779
2-[(4'-Methoxy[1,1'-biphenyl]-4-yl)sulfonyl]amino-4-hydroxy-5-(benzylthio)-pentanoic Acid

Reagents, catalysts & solvents 2

HCID 241BenzeneSolventHCID 962WaterSolvent

Conditions

Temperature
70 °C

Procedure

3-[(4′-Methoxy[1,1′-biphenyl]-4-yl)sulfonyl]amino-2-oxo-5-[(benzylthio)methyl]-tetrahydrofuran: To a solution of methyl 2-[(4′-methoxy[1,1′-biphenyl]-4-yl)sulfonyl]amino-4,5-epoxypentanoate 1d (0.5 g, 1.28 mmol) in benzene (3 mL), NaHCO3 (0.32 g, 3.84 mmol) and Et3N (0.23 mL, 1.6 mmol) at room temperature is added slowly benzyl mercaptan (0.62 mL, 4.99 mmol). The reaction mixture is heated at 70° C. for 3 h, and stirred two days at room temperature. The resulting mixture is diluted with water, and then the mixture is extracted three times with EtOAc. The combined EtOAc layer is washed with water, brine, dried over MgSO4 and concentrated to an oil which is purified by column chromatography eluting with hexane/EtOAc (4:1) to give the desired product.

Workup

  1. extractionthe mixture is extracted three times with EtOAc
  2. washThe combined EtOAc layer is washed with water, brine
  3. dry with materialdried over MgSO4
  4. concentrationconcentrated to an oil which
  5. customis purified by column chromatography
  6. washeluting with hexane/EtOAc (4:1)

Sources & evidence

ORD record
ord-2fe273520e614b94922213c95c08d74f
Source dataset
uspto-grants-2004_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06762198B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes