Triethylamine → HCID 21705970, compound

HRID 654946Notes

Reaction equation

HRID 654946 reaction equation
[S:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13]O.C(N(CC)CC)C.CS(Cl)(=O)=O.[Br-:27].[Li+]>C(Cl)Cl.CC(C)=O>[Br:27][CH2:13][CH2:12][CH2:11][CH2:10][CH2:9][CH2:8][CH2:7][CH2:6][C:2]1[S:1][CH:5]=[CH:4][CH:3]=1

Participants

7

Procedure

To a stirring mixture of 8-(thiophen-2-yl)-octan-1-ol (0.132 g, 0.622 mmol) and triethylamine (0.126 g, 1.245 mmol) in methylene chloride (5 ml) at 0° under argon was added methanesulfonyl chloride (0.107 g, 0.933 mmol). After stirring for 2 hours at 0° the reaction was quenched with water and the organic layer was washed with 10% hydrochloric acid, saturated sodium bicarbonate, water, saturated sodium chloride solution, dried over magnesium sulfate, filtered and concentrated to give a pale oil. To this oil in acetone (2 ml) was added lithium bromide (0.216 g, 2.49 mmol) and the mixture was refluxed for 15 hours. The acetone was evaporated and the residue was taken up in ethyl ether, washed with 10% hydrochloric acid, saturated sodium bicarbonate, water, saturated sodium chloride, dried over magnesium sulfate, filtered through silica and concentrated to give the title compound which was carried on without further purification.

Workup

  1. customwas quenched with water
  2. washthe organic layer was washed with 10% hydrochloric acid, saturated sodium bicarbonate, water, saturated sodium chloride solution
  3. dry with materialdried over magnesium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customto give a pale oil
  7. temperaturethe mixture was refluxed for 15 hours
  8. customThe acetone was evaporated
  9. washwashed with 10% hydrochloric acid, saturated sodium bicarbonate, water, saturated sodium chloride
  10. dry with materialdried over magnesium sulfate
  11. filtrationfiltered through silica
  12. concentrationconcentrated

Sources & evidence

ORD record
ord-4528de142e47456fbf818ec21ad24029
Source dataset
uspto-grants-1992_07
Patent number
US05134128

Reaction notes

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