Iodoethane → HCID 57134119, compound

HRID 2299618Notes

Reaction equation

HRID 2299618 reaction equation
[H-].[Na+].[OH:3][C:4]1[CH:40]=[CH:39][C:7]2[CH2:8][CH2:9][CH2:10][CH:11]([N:13]([C:32]([O:34][C:35]([CH3:38])([CH3:37])[CH3:36])=[O:33])[CH2:14][C@H:15]([O:24][Si:25]([CH2:30][CH3:31])([CH2:28][CH3:29])[CH2:26][CH3:27])[CH2:16][O:17][C:18]3[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=3)[CH2:12][C:6]=2[CH:5]=1.[CH2:41](I)[CH3:42].C(=O)([O-])O.[Na+]>CN(C)C=O>[CH2:41]([O:3][C:4]1[CH:40]=[CH:39][C:7]2[CH2:8][CH2:9][CH2:10][CH:11]([N:13]([C:32]([O:34][C:35]([CH3:37])([CH3:36])[CH3:38])=[O:33])[CH2:14][C@H:15]([O:24][Si:25]([CH2:28][CH3:29])([CH2:26][CH3:27])[CH2:30][CH3:31])[CH2:16][O:17][C:18]3[CH:19]=[CH:20][CH:21]=[CH:22][CH:23]=3)[CH2:12][C:6]=2[CH:5]=1)[CH3:42]

Participants

6

Reactant 4

HCID 6340IodoethaneHCID 24758Sodium hydrideHCID 516892Sodium BicarbonateHCID 57157362HCID 57157362, compound

Product 1

HCID 57134119HCID 57134119, compound

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent2×

Procedure

Under nitrogen, to a suspension of sodium hydride (60% in oil, 12 mg) in N,N-dimethylformamide (2 ml) was dropwise added N-(3-hydroxy-6,7,8,9-tetrahydro-5H-benzocyclohepten-6-yl)-N-[(2S)-3-phenoxy-2-(triethylsilyloxy)propyl]-tert-butoxycarbonylamine (150 mg) in N,N-dimethylformamide (1 ml) at 5° C., and the mixture was stirred at the same temperature for 30 minutes. To this one was added ethyl iodide (27 μl), and the mixture was stirred at room temperature for 2 hours. The resulting mixture was poured into saturated aqueous sodium hydrogencarbonate, and extracted with ethyl acetate. The organic layer was washed with brine, dried over anhydrous magnesium sulfate, and evaporated in vacuo. The residue was purified by column chromatography on silica gel (hexane:ethyl acetate=20:1) to give N-(3-ethoxy-6,7,8,9-tetrahydro-5H-benzocyclohepten-6-yl)-N-[(2S)-3-phenoxy-2-(triethylsilyloxy)propyl]-tert-butoxycarbonylamine (130 mg).

Workup

  1. customat 5° C.
  2. stirringthe mixture was stirred at room temperature for 2 hours
  3. extractionextracted with ethyl acetate
  4. washThe organic layer was washed with brine
  5. dry with materialdried over anhydrous magnesium sulfate
  6. customevaporated in vacuo
  7. customThe residue was purified by column chromatography on silica gel (hexane:ethyl acetate=20:1)

Sources & evidence

ORD record
ord-0309d1c349a34527813eabb28fc89b14
Source dataset
uspto-grants-2002_12
Patent number
US06495546B1

Reaction notes

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