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Cesium carbonate → 1-acetoxyethyl 4-((2R,3S,4R,5S)-3-(3-chloro-2-fluorophenyl)-4-(4-chloro-2-fluorophenyl)-4-cyano-5-neopentylpyrrolidine-2-carboxamido)-3-methoxybenzoate

HRID 882354
Notes
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Reaction equation

HRID 882354 reaction equation
[C:1]([O:4][CH:5](I)[CH3:6])(=[O:3])[CH3:2].[Cl:8][C:9]1[C:10]([F:49])=[C:11]([C@@H:15]2[C@:19]([C:22]3[CH:27]=[CH:26][C:25]([Cl:28])=[CH:24][C:23]=3[F:29])([C:20]#[N:21])[C@H:18]([CH2:30][C:31]([CH3:34])([CH3:33])[CH3:32])[NH:17][C@H:16]2[C:35]([NH:37][C:38]2[CH:46]=[CH:45][C:41]([C:42]([OH:44])=[O:43])=[CH:40][C:39]=2[O:47][CH3:48])=[O:36])[CH:12]=[CH:13][CH:14]=1.C(=O)([O-])[O-].[Cs+].[Cs+]>CN(C)C=O.C(OCC)(=O)C>[Cl:8][C:9]1[C:10]([F:49])=[C:11]([C@@H:15]2[C@:19]([C:22]3[CH:27]=[CH:26][C:25]([Cl:28])=[CH:24][C:23]=3[F:29])([C:20]#[N:21])[C@H:18]([CH2:30][C:31]([CH3:33])([CH3:34])[CH3:32])[NH:17][C@H:16]2[C:35]([NH:37][C:38]2[CH:46]=[CH:45][C:41]([C:42]([O:44][CH:5]([O:4][C:1](=[O:3])[CH3:2])[CH3:6])=[O:43])=[CH:40][C:39]=2[O:47][CH3:48])=[O:36])[CH:12]=[CH:13][CH:14]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 10796Cesium carbonateHCID 150238621-Iodoethyl acetateHCID 53358942Idasanutlin

Product 1

HCID 717388081-acetoxyethyl 4-((2R,3S,4R,5S)-3-(3-chloro-2-fluorophenyl)-4-(4-chloro-2-fluorophenyl)-4-cyano-5-neopentylpyrrolidine-2-carboxamido)-3-methoxybenzoateYield 65%

Reagents, catalysts & solvents 2

HCID 6228
Dimethylformamide
Solvent
HCID 8857Ethyl AcetateSolvent

Procedure

To a mixture of the above 1-iodoethyl acetate (311 mg, 1.457 mmol) and chiral 4-((2R,3S,4R,5S)-3-(3-chloro-2-fluorophenyl)-4-(4-chloro-2-fluorophenyl)-4-cyano-5-neopentylpyrrolidine-2-carboxamido)-3-methoxybenzoic acid (US20100152190A1, 201.7 mg, 0.327 mmol) in dimethylformamide (6 mL) was added cesium carbonate (659 mg, 2.00 mmol) and the mixture was stirred at room temperature for 16 h. The reaction mixture was taken up in ethyl acetate, washed with water and then brine. The organic layer was dried over sodium sulfate and concentrated to dryness. The crude material was purified by flash chromatography (hexane/ethyl acetate, 80/20 to 20/80) to give 1-acetoxyethyl 4-((2R,3S,4R,5S)-3-(3-chloro-2-fluorophenyl)-4-(4-chloro-2-fluorophenyl)-4-cyano-5-neopentylpyrrolidine-2-carboxamido)-3-methoxybenzoate (149.4 mg, 65% yield). MS (ES+) m/z calcd. for C35H36Cl2F2N3O6: [(M+H)+]: 702.19, found: 702.4

Workup

  1. washwashed with water
  2. dry with materialThe organic layer was dried over sodium sulfate
  3. concentrationconcentrated to dryness
  4. customThe crude material was purified by flash chromatography (hexane/ethyl acetate, 80/20 to 20/80)

Sources & evidence

ORD record
ord-dee51e3c7f724ad2aaeea4412fc68526
Source dataset
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08993614B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes