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Tetrahydrofuran → (2S,4R)-1-(1-(4-chlorophenyl)cyclopropanecarbonyl)-4-(2-chlorophenylsulfonyl)pyrrolidine-2-carboxylic acid

HRID 1025329
Notes
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Reaction equation

HRID 1025329 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2([C:11]([N:13]3[CH2:17][C@H:16]([S:18]([C:21]4[CH:26]=[CH:25][CH:24]=[CH:23][C:22]=4[Cl:27])(=[O:20])=[O:19])[CH2:15][C@H:14]3[C:28]([O:30]C)=[O:29])=[O:12])[CH2:10][CH2:9]2)=[CH:4][CH:3]=1.C1COCC1.O.[OH-].[Li+]>O.CO>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2([C:11]([N:13]3[CH2:17][C@H:16]([S:18]([C:21]4[CH:26]=[CH:25][CH:24]=[CH:23][C:22]=4[Cl:27])(=[O:20])=[O:19])[CH2:15][C@H:14]3[C:28]([OH:30])=[O:29])=[O:12])[CH2:10][CH2:9]2)=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 8028TetrahydrofuranHCID 168937Lithium hydroxide, monohydrateHCID 86762435(2S,4R)-methyl 1-(1-(4-chlorophenyl)cyclopropanecarbonyl)-4-(2-chlorophenylsulfonyl)pyrrolidine-2-carboxylate

Product 1

HCID 68503876(2S,4R)-1-(1-(4-chlorophenyl)cyclopropanecarbonyl)-4-(2-chlorophenylsulfonyl)pyrrolidine-2-carboxylic acid

Reagents, catalysts & solvents 2

HCID 887
Methanol
Solvent
HCID 962WaterSolvent

Procedure

Under an atmosphere of argon, (2S,4R)-methyl 1-(1-(4-chlorophenyl)cyclopropanecarbonyl)-4-(2-chlorophenylsulfonyl)pyrrolidine-2-carboxylate (1.5 g, 3.11 mmol, Eq: 1.00) was combined with THF (20 ml) to give a light yellow solution. Then lithium hydroxide monohydrate (196 mg, 4.66 mmol, Eq: 1.5) in 4 ml water and 4 ml methanol was added. The reaction was stirred for 2 h at RT. The solvents were evaporated. The reaction was extracted with ethyl acetate, H2O and brine. The organic layers were dried over Na2SO4 and concentrated in vacuo. The title compound was obtained as a white foam (1.52 g, 97.1%, MS (m/e)=468.2 [M+H+]; MS (m/e)=466.1 [M−H+]).

Workup

  1. customto give a light yellow solution
  2. customThe solvents were evaporated
  3. extractionThe reaction was extracted with ethyl acetate, H2O and brine
  4. dry with materialThe organic layers were dried over Na2SO4
  5. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-06a34d72c3b74135a2d27514e9bdaab4
Source dataset
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08729061B2

Reaction notes

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