Methyl iodide → HCID 22494028, compound

HRID 1296208Notes

Reaction equation

HRID 1296208 reaction equation
[CH2:1]([O:3][C:4](=[O:28])[CH:5]([O:24][CH:25]([CH3:27])[CH3:26])[CH2:6][C:7]1[CH:12]=[C:11]([CH2:13][NH:14][C:15]([O:17][C:18]([CH3:21])([CH3:20])[CH3:19])=[O:16])[C:10]([OH:22])=[C:9]([Br:23])[CH:8]=1)[CH3:2].IC.[C:31](=O)([O-])[O-].[K+].[K+]>CN(C)C=O.C(OCC)(=O)C>[CH2:1]([O:3][C:4](=[O:28])[CH:5]([O:24][CH:25]([CH3:27])[CH3:26])[CH2:6][C:7]1[CH:12]=[C:11]([CH2:13][NH:14][C:15]([O:17][C:18]([CH3:21])([CH3:20])[CH3:19])=[O:16])[C:10]([O:22][CH3:31])=[C:9]([Br:23])[CH:8]=1)[CH3:2]

Participants

6

Reactant 3

HCID 6328Methyl iodideHCID 11430Potassium CarbonateHCID 22494074HCID 22494074, compound

Product 1

HCID 22494028HCID 22494028, compoundYield 90.1%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

944 mg of 3-(3-bromo-5-[(t-butoxycarbonyl)amino]methyl-4-hydroxyphenyl)-2-isopropoxypropionic acid ethyl ester was dissolved in 5 ml of N,N-dimethylformamide, and 0.15 ml of iodomethane and 500 mg of potassium carbonate were successively added, followed by stirring for 2 hours at room temperature. Then, the reaction mixture was diluted with ethyl acetate, and the organic layer was washed with water and brine, and dried over anhydrous magnesium sulfate, and the solvent was evaporated. The residue was purified by silica gel column chromatography, to give 876 mg of 3-(3-bromo-5-[(t-butoxycarbonyl)amino]methyl-4-methoxyphenyl)-2-isopropoxypropionic acid ethyl ester from fractions eluted with hexane-ethyl acetate (4:1).

Workup

  1. washthe organic layer was washed with water and brine
  2. dry with materialdried over anhydrous magnesium sulfate
  3. customthe solvent was evaporated
  4. customThe residue was purified by silica gel column chromatography

Sources & evidence

ORD record
ord-47eec69980a54609a0725dc6bb7a8670
Source dataset
uspto-grants-2007_07
Patent number
US07244861B2

Reaction notes

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