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Ethylenediamine → 2-[(6S)-6-(3,5-Difluorophenyl)-3,3-dimethyl-2-oxopiperidin-1-yl]-N-methyl-N-[(2R)-2'-oxo-1,1',2',3-tetrahydrospiro[indene-2,3'-pyrrolo[2,3-b]pyridin]-5-yl]acetamide

HRID 1367251
Notes
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Reaction equation

HRID 1367251 reaction equation
[F:1][C:2]1[CH:3]=[C:4]([C@H:9]2[N:14]([CH2:15][C:16]([N:18]([CH3:45])[C:19]3[CH:20]=[C:21]4[C:42](=[CH:43][CH:44]=3)[CH2:41][C@:23]3([C:31]5[C:26](=[N:27][CH:28]=[CH:29][CH:30]=5)[N:25](COCC[Si](C)(C)C)[C:24]3=[O:40])[CH2:22]4)=[O:17])[C:13](=[O:46])[C:12]([CH3:48])([CH3:47])[CH2:11][CH2:10]2)[CH:5]=[C:6]([F:8])[CH:7]=1.C(O)(C(F)(F)F)=O.[OH-].[Na+].C(N)CN>C(Cl)Cl>[F:8][C:6]1[CH:5]=[C:4]([C@H:9]2[N:14]([CH2:15][C:16]([N:18]([CH3:45])[C:19]3[CH:20]=[C:21]4[C:42](=[CH:43][CH:44]=3)[CH2:41][C@:23]3([C:31]5[C:26](=[N:27][CH:28]=[CH:29][CH:30]=5)[NH:25][C:24]3=[O:40])[CH2:22]4)=[O:17])[C:13](=[O:46])[C:12]([CH3:48])([CH3:47])[CH2:11][CH2:10]2)[CH:3]=[C:2]([F:1])[CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 3301EthylenediamineHCID 6422Trifluoroacetic acidHCID 14798Sodium HydroxideHCID 669735562-[(6S)-6-(3,5-Difluorophenyl)-3,3-dimethyl-2-oxopiperidin-1-yl]-N-methyl-N-((2R)-2'-oxo-1'-{[2-(trimethylsilyl)ethoxy]methyl}-1,1',2',3-tetrahydrospiro[indene-2,3'-pyrrolo[2,3-b]pyridin]-5-yl]acetamide

Product 1

HCID 25019937
2-[(6S)-6-(3,5-Difluorophenyl)-3,3-dimethyl-2-oxopiperidin-1-yl]-N-methyl-N-[(2R)-2'-oxo-1,1',2',3-tetrahydrospiro[indene-2,3'-pyrrolo[2,3-b]pyridin]-5-yl]acetamide

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a solution of 2-[(6S)-6-(3,5-difluorophenyl)-3,3-dimethyl-2-oxopiperidin-1-yl]-N-methyl-N4(2R)-2′-oxo-1′-{[2-(trimethylsilyl)ethoxy]methyl}-1,1′,2′,3-tetrahydrospiro[indene-2,3′-pyrrolo[2,3-b]pyridin]-5-yl]acetamide from Step B (38 mg, 0.057 mmol) in CH2Cl2 (2 mL) was added TFA (1 mL) and the resulting mixture was stirred at ambient temperature for 1 h then concentrated to dryness in vacuo. The residue was dissolved in MeOH (1 mL) and the solution was adjusted to pH 10 by addition of 1 N aqueous NaOH and ethylenediamine (5.7 mg, 0.095 mmol). After 30 min, the mixture was partitioned between H2O (30 mL) and EtOAc (40 mL). The organic layer was washed with brine, dried over Na2SO4, filtered, and concentrated in vacuo. The crude product was purified by silica gel chromatography, eluting with a gradient of CH2Cl2:CH3OH—100:0 to 95:5, to give the title compound. MS: m/z=545 (M+1). HRMS: m/z=545.2388; calculated m/z=545.2359 for C31H31F2N4O3.

Workup

  1. concentrationthen concentrated to dryness in vacuo
  2. dissolutionThe residue was dissolved in MeOH (1 mL)
  3. waitAfter 30 min
  4. customthe mixture was partitioned between H2O (30 mL) and EtOAc (40 mL)
  5. washThe organic layer was washed with brine
  6. dry with materialdried over Na2SO4
  7. filtrationfiltered
  8. concentrationconcentrated in vacuo
  9. customThe crude product was purified by silica gel chromatography
  10. washeluting with a gradient of CH2Cl2

Sources & evidence

ORD record
ord-8fba8ff8737649b9b8b6ac9c277ea14c
Source dataset
uspto-grants-2011_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07893079B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes