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Methyl iodide → Methyl {(8R)-8-[[(4-fluorophenyl)sulfonyl](methyl)amino]-6,7,8,9-tetrahydro-pyrido[3,2-b]indolizin-5-yl}acetate

HRID 1036635
Notes
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Reaction equation

HRID 1036635 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([NH:11][C@@H:12]2[CH2:20][CH2:19][C:18]3[N:14]([C:15]4[N:29]=[CH:28][CH:27]=[CH:26][C:16]=4[C:17]=3[CH2:21][C:22]([O:24][CH3:25])=[O:23])[CH2:13]2)(=[O:10])=[O:9])=[CH:4][CH:3]=1.CI.[C:32]([O-])(=O)C.[NH4+].C(OCC)(=O)C>CN(C=O)C>[F:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([N:11]([CH3:32])[C@@H:12]2[CH2:20][CH2:19][C:18]3[N:14]([C:15]4[N:29]=[CH:28][CH:27]=[CH:26][C:16]=4[C:17]=3[CH2:21][C:22]([O:24][CH3:25])=[O:23])[CH2:13]2)(=[O:9])=[O:10])=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 6328Methyl iodideHCID 8857Ethyl AcetateHCID 517165Ammonium AcetateHCID 86655917methyl ((8R)-8-{[(4-fluorophenyl)sulfonyl]amino}-6,7,8,9-tetrahydropyrido[3,2-b]indolizin-5-yl)acetate

Product 1

HCID 58360206Methyl {(8R)-8-[[(4-fluorophenyl)sulfonyl](methyl)amino]-6,7,8,9-tetrahydro-pyrido[3,2-b]indolizin-5-yl}acetate

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

To a solution of methyl ((8R)-8-{[(4-fluorophenyl)sulfonyl]amino}-6,7,8,9-tetrahydropyrido[3,2-b]indolizin-5-yl)acetate (0.46 g, 1.1 mmol) in DMF (5.5 mL) was added at 0° C. under nitrogen 60% NaH in oil (0.04 g, 1.2 mmol, 1.1 equiv.). After a period of 10 min., methyl iodide (0.076 mL, 1.2 mmol, 1.1 equiv.) was added and the reaction mixture aged 1 h at room temperature. The reaction mixture was poured over 25% aqueous ammonium acetate solution and ethyl acetate. The organic phase was separated, dried over sodium sulfate, filtered and evaporated under reduced pressure. The residue was purified by combiflash (hexane to 100% ethyl acetate) to provide 420 mg of the title compound.

Workup

  1. waitthe reaction mixture aged 1 h at room temperature
  2. customThe organic phase was separated
  3. dry with materialdried over sodium sulfate
  4. filtrationfiltered
  5. customevaporated under reduced pressure
  6. customThe residue was purified by combiflash (hexane to 100% ethyl acetate)

Sources & evidence

ORD record
ord-13341547a7c44864a2e19c73a31cc5a7
Source dataset
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08546422B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes