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Sodium Thiosulfate → methyl 2-((3R,5R,6S)-5-(3-chlorophenyl)-6-(4-chlorophenyl)-3-methyl-2-oxo-1-((S)-1-oxobutan-2-yl)piperidin-3-yl)acetate

HRID 932276
Notes
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Reaction equation

HRID 932276 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([C@@H:8]2[C@@H:13]([C:14]3[CH:19]=[CH:18][C:17]([Cl:20])=[CH:16][CH:15]=3)[N:12]([C@@H:21]([CH2:24][CH3:25])[CH2:22][OH:23])[C:11](=[O:26])[C@:10]([CH2:28][C:29]([O:31][CH3:32])=[O:30])([CH3:27])[CH2:9]2)[CH:5]=[CH:6][CH:7]=1.CC(OI1(OC(C)=O)(OC(C)=O)OC(=O)C2C=CC=CC1=2)=O.[O-]S([O-])(=S)=O.[Na+].[Na+]>C(Cl)Cl>[Cl:1][C:2]1[CH:3]=[C:4]([C@@H:8]2[C@@H:13]([C:14]3[CH:19]=[CH:18][C:17]([Cl:20])=[CH:16][CH:15]=3)[N:12]([C@@H:21]([CH2:24][CH3:25])[CH:22]=[O:23])[C:11](=[O:26])[C@:10]([CH2:28][C:29]([O:31][CH3:32])=[O:30])([CH3:27])[CH2:9]2)[CH:5]=[CH:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 24477Sodium ThiosulfateHCID 159087TriacetoxyperiodinaneHCID 58573771Methyl 2-((3R,5R,6S)-5-(3-chlorophenyl)-6-(4-chlorophenyl)-1-((S)-1-hydroxybutan-2-yl)-3-methyl-2-oxopiperidin-3-yl)acetate

Product 1

HCID 86660749methyl 2-((3R,5R,6S)-5-(3-chlorophenyl)-6-(4-chlorophenyl)-3-methyl-2-oxo-1-((S)-1-oxobutan-2-yl)piperidin-3-yl)acetate

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent2×

Procedure

To a stirred solution of methyl 2-((3R,5R,6S)-5-(3-chlorophenyl)-6-(4-chlorophenyl)-1-((S)-1-hydroxybutan-2-yl)-3-methyl-2-oxopiperidin-3-yl)acetate (Example 186, Step A, 360 mg, 0.752 mmol) in DCM (3.76 mL) was added Dess-Martin periodinane (383 mg, 0.903 mmol) and the reaction was stirred at rt for 20 minutes. After this time the reaction was treated with Na2S2O3 (30 mL, saturated aqueous solution) and DCM (40 mL) and stirred at rt for 10 minutes. The organic layer was separated and washed with Na2S2O3 (20 mL, saturated aqueous solution) and NaHCO3 (20 mL, saturated aqueous solution), dried over MgSO4, filtered and concentrated to give the title compound. MS (ESI) m/z=476.0 (M+1).

Workup

  1. stirringstirred at rt for 10 minutes
  2. customThe organic layer was separated
  3. washwashed with Na2S2O3 (20 mL, saturated aqueous solution) and NaHCO3 (20 mL, saturated aqueous solution)
  4. dry with materialdried over MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated

Sources & evidence

ORD record
ord-8f6c7f8bf45b4319996850376fefc58f
Source dataset
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09296736B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes