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Dichloromethane → HCID 178501248, Verbindung

HRID 926031
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 926031
Cl.[NH2:2][C@H:3]1[CH2:8][CH2:7][C@H:6]([C:9]([O:11][CH3:12])=[O:10])[CH2:5][CH2:4]1.C(N(CC)CC)C.ClCCl.Cl[S:24]([C:27]1[CH:28]=[C:29]([CH:39]=[CH:40][CH:41]=1)[C:30]([O:32][CH2:33][CH2:34][Si:35]([CH3:38])([CH3:37])[CH3:36])=[O:31])(=[O:26])=[O:25]>N1C=CC=CC=1>[CH3:12][O:11][C:9]([C@H:6]1[CH2:5][CH2:4][C@H:3]([NH:2][S:24]([C:27]2[CH:28]=[C:29]([CH:39]=[CH:40][CH:41]=2)[C:30]([O:32][CH2:33][CH2:34][Si:35]([CH3:36])([CH3:37])[CH3:38])=[O:31])(=[O:25])=[O:26])[CH2:8][CH2:7]1)=[O:10]
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Komponenten

6

Edukt 4

HCID 6344DichloromethaneHCID 8471TriethylamineHCID 866763342-(Trimethylsilyl)ethyl 3-(chlorosulfonyl)benzoateHCID 178501210HCID 178501210, Verbindung

Produkt 1

HCID 178501248HCID 178501248, VerbindungAusbeute 92,3 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 1049
Pyridine
Lösungsmittel

Versuchsvorschrift

A mixture of 604 mg of methyl trans-4-aminocyclohexane carboxylate hydrochloride, 0.90 mL of triethylamine, and 10 mL of dichloromethane was stirred at room temperature for 30 minutes, and 10 mL of pyridine and 1.00 g of 2-(trimethylsilyl)ethyl 3-(chlorosulfonyl)benzoate were added thereto in this order, followed by stirring at room temperature overnight. The reaction mixture was concentrated under reduced pressure, and to the residue was added an aqueous citric acid solution, followed by extraction with ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous sodium sulfate, and concentrated under reduced pressure. The obtained residue was purified by silica gel column chromatography (hexane-ethyl acetate) to obtain 1.27 g of 2-(trimethylsilyl)ethyl 3-{[trans-4-(methoxycarbonyl)cyclohexyl]sulfamoyl}benzoate as a colorless oily substance.

Aufarbeitung

  1. stirringby stirring at room temperature overnight
  2. concentrationThe reaction mixture was concentrated under reduced pressure
  3. additionto the residue was added an aqueous citric acid solution
  4. extractionfollowed by extraction with ethyl acetate
  5. washThe organic layer was washed with saturated brine
  6. dry with materialdried over anhydrous sodium sulfate
  7. concentrationconcentrated under reduced pressure
  8. customThe obtained residue was purified by silica gel column chromatography (hexane-ethyl acetate)

Quellen und Nachweise

ORD-Eintrag
ord-2db04d9ff51841d99a32c28be3946c70
Quelldatensatz
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09284295B2

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