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Triethylamine → 2-(1,2,3,4-tetramethoxy-6,7,8,9-tetrahydro-5H-benzo[a]cyclohepten-7-yl)ethyl methanesulfonate

HRID 2268493
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2268493
[CH3:1][O:2][C:3]1[C:8]2[CH2:9][CH2:10][CH:11]([CH2:14][CH2:15][OH:16])[CH2:12][CH2:13][C:7]=2[C:6]([O:17][CH3:18])=[C:5]([O:19][CH3:20])[C:4]=1[O:21][CH3:22].C(N(CC)CC)C.[CH3:30][S:31](Cl)(=[O:33])=[O:32].C(=O)(O)[O-].[Na+]>C(#N)C>[CH3:30][S:31]([O:16][CH2:15][CH2:14][CH:11]1[CH2:12][CH2:13][C:7]2[C:6]([O:17][CH3:18])=[C:5]([O:19][CH3:20])[C:4]([O:21][CH3:22])=[C:3]([O:2][CH3:1])[C:8]=2[CH2:9][CH2:10]1)(=[O:33])=[O:32]
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Komponenten

6

Edukt 4

HCID 8471TriethylamineHCID 31297Methanesulfonyl chlorideHCID 516892Sodium BicarbonateHCID 183486172-(1,2,3,4-Tetramethoxy-6,7,8,9-tetrahydro-5H-benzo[a]cyclohepten-7-yl)ethanol

Produkt 1

HCID 183485372-(1,2,3,4-tetramethoxy-6,7,8,9-tetrahydro-5H-benzo[a]cyclohepten-7-yl)ethyl methanesulfonate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6342AcetonitrileLösungsmittel

Versuchsvorschrift

To a solution of 2-(1,2,3,4-tetramethoxy-6,7,8,9-tetrahydro-5H-benzo[a]cyclohepten-7-yl)ethanol (2.50 g) and triethylamine (1.68 ml) in acetonitrile (50 ml) was dropwise added methanesufonyl chloride (0.750 ml) with cooling with ice. After the reaction mixture was stirred for 15 min, saturated aqueous sodium bicarbonate was added to the solution with cooling with ice, which was extracted with ethyl acetate. The organic layer was washed with 1N hydrochloric acid, water, saturated aqueous sodium bicarbonate, water, and saturated aqueous sodium chloride, and dried. The solvent was removed in vacuo to yield the entitled compound (3.12 g) as an oil.

Aufarbeitung

  1. temperaturewith cooling with ice
  2. temperaturewith cooling with ice, which
  3. extractionwas extracted with ethyl acetate
  4. washThe organic layer was washed with 1N hydrochloric acid, water, saturated aqueous sodium bicarbonate, water, and saturated aqueous sodium chloride
  5. customdried
  6. customThe solvent was removed in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-5131699bce744640abc1975772b825f3
Quelldatensatz
uspto-grants-2001_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06326369B1

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