Chlorotrimethylsilane → HCID 11063095, compound

HRID 1774593Notes

Reaction equation

HRID 1774593 reaction equation
[CH3:1][CH:2]1[CH2:7][CH2:6][CH2:5][CH2:4][C:3]1=[O:8].C([N-]C(C)C)(C)C.[Li+].[CH3:17][Si:18](Cl)([CH3:20])[CH3:19]>O1CCCC1>[CH3:17][Si:18]([CH3:20])([CH3:19])[O:8][C:3]1[CH:2]([CH3:1])[CH2:7][CH2:6][CH2:5][CH:4]=1

Participants

5

Conditions

Temperature
-78 °C

Procedure

Under nitrogen atmosphere, a solution of 2-methylcyclohexanone (0.5 g, 4.46 mmol) in anhydrous tetrahydrofuran (1 mL) was added dropwise to a solution of lithium diisopropylamide 2.0M in tetrahydrofuran (2.45 mL, 4.90 mmol) in anhydrous tetrahydrofuran (10 mL), previously cooled at −78° C. After stirring for 30 minutes at the same temperature, trimethylsilyl chloride (0.96 mL, 7.58 mmol) was added and the reaction mixture was stirred at room temperature for 1 hour before being quenched with a saturated solution of ammonium chloride (10 mL) at 0° C. Diethyl ether (20 mL) was added and the mixture was allowed to reach room temperature. Layers were separated and the organic layer was dried over sodium sulfate and concentrated in vacuo. The residue was purified by flash chromatography on silica gel (cyclohexane) to provide trimethyl[(6-methylcyclohex-1-en-1-yl)oxy]silane (18a) (660 mg, 3.58 mmol, 80%)

Workup

  1. additionwas added
  2. custombefore being quenched with a saturated solution of ammonium chloride (10 mL) at 0° C
  3. additionDiethyl ether (20 mL) was added
  4. customto reach room temperature
  5. customLayers were separated
  6. dry with materialthe organic layer was dried over sodium sulfate
  7. concentrationconcentrated in vacuo
  8. customThe residue was purified by flash chromatography on silica gel (cyclohexane)

Sources & evidence

ORD record
ord-9a117a014c3b42e28ec7dd1db2d5cebd
Source dataset
uspto-grants-2016_02
Patent number
US09260395B2

Reaction notes

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