Methyl iodide → HCID 69357852, compound

HRID 11948Notes

Reaction equation

HRID 11948 reaction equation
[C:1]([O:5][C:6]([N:8]1[CH2:20][C@@H:19]([CH3:21])[N:18]2[C@H:10]([CH2:11][C:12]3[C:17]2=[N:16][C:15]([C@H:22]([OH:24])[CH3:23])=[CH:14][CH:13]=3)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[H-].[Na+].[CH3:27]I.[Cl-].[NH4+]>CN(C)C=O>[C:1]([O:5][C:6]([N:8]1[CH2:20][C@@H:19]([CH3:21])[N:18]2[C@H:10]([CH2:11][C:12]3[C:17]2=[N:16][C:15]([C@H:22]([O:24][CH3:27])[CH3:23])=[CH:14][CH:13]=3)[CH2:9]1)=[O:7])([CH3:2])([CH3:4])[CH3:3]

Participants

6

Reactant 4

HCID 6328Methyl iodideHCID 24758Sodium hydrideHCID 25517Ammonium ChlorideHCID 67237861(4R,9aR)-6-(1-(R)-hydroxy-ethyl)-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester

Product 1

HCID 69357852HCID 69357852, compound

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

To a solution of 0.75 g (2.25 mmol) (4R,9aR)-6-(1-(R)-hydroxy-ethyl)-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester in 5 ml N,N-dimethylformamide was added 0.12 g (2.70 mmol) sodium hydride (55–65% dispersion in oil). After 30 min, 0.28 ml (0.64 g, 4.50 mmol) methyl iodide was added and the reaction mixture was stirred at 50 deg C. for 2 h. After cooling to room temperature the reaction mixture, was poured onto 10% aqueous ammonium chloride solution and extracted three times with ethyl acetate. The combined organic layers were washed with brine, dried over magnesium sulfate, filtered and evaporated. The residue was chromatographed on silica gel (0.032–0.063 mm) with ethyl acetate:n-heptane (1:2) as eluant.

Workup

  1. waitfor 2 h
  2. extractionextracted three times with ethyl acetate
  3. washThe combined organic layers were washed with brine
  4. dry with materialdried over magnesium sulfate
  5. filtrationfiltered
  6. customevaporated
  7. customThe residue was chromatographed on silica gel (0.032–0.063 mm) with ethyl acetate:n-heptane (1:2) as eluant

Sources & evidence

ORD record
ord-57b3fd38537f4e8580bbf0fb18d923ce
Source dataset
uspto-grants-2006_08
Patent number
US07098337B2

Reaction notes

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