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Triethylamine → 4-[4-(4-Fluorophenoxy)benzenesulfonylamino]tetrahydropyran-4-carboxylic acid benzyl ester

HRID 1596011
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1596011
[CH2:1]([O:8][C:9]([C:11]1([NH2:17])[CH2:16][CH2:15][O:14][CH2:13][CH2:12]1)=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C(N(CC)CC)C.[F:25][C:26]1[CH:42]=[CH:41][C:29]([O:30][C:31]2[CH:36]=[CH:35][C:34]([S:37](Cl)(=[O:39])=[O:38])=[CH:33][CH:32]=2)=[CH:28][CH:27]=1.C(OCC)(=O)C.CCCCCC>CN(C)C=O>[CH2:1]([O:8][C:9]([C:11]1([NH:17][S:37]([C:34]2[CH:35]=[CH:36][C:31]([O:30][C:29]3[CH:41]=[CH:42][C:26]([F:25])=[CH:27][CH:28]=3)=[CH:32][CH:33]=2)(=[O:38])=[O:39])[CH2:16][CH2:15][O:14][CH2:13][CH2:12]1)=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 8471TriethylamineHCID 27827574-(4-Fluorophenoxy)benzenesulphonyl chlorideHCID 21226206Ethyl acetate hexane2×HCID 539944184-Aminotetrahydropyran-4-carboxylic acid benzyl ester

Produkt 1

HCID 538527694-[4-(4-Fluorophenoxy)benzenesulfonylamino]tetrahydropyran-4-carboxylic acid benzyl ester

Reagenzien, Katalysatoren, Lösungsmittel

1
HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

To a solution of 4-aminotetrahydropyran-4-carboxylic acid benzyl ester (0.0404 mole) in N,N-dimethylformamide (40 mL) is added triethylamine (5.94 mL, 0.043 mole). Solid 4-(4-fluorophenoxy)benzenesulfonyl chloride (12.165 grams, 0.0424 mole) is added to the abovte solution in portions. The resulting mixture is stirred at room temperature for 16 hours and then most of the solvent is removed by evaporation under vacuum. The residue was partitioned between saturated sodium bicarbonate solution and dichloromethane. The aqueous layer is separated and extracted with dichloromethane. The combined organic layers are washed with brine and dried over sodium sulfate. Evaporation of the solvent under vacuum provided crude 4-[4-(4-fluorophenoxy)benzenesulfonylamino]tetrahydropyran-4-carboxylic acid benzyl ester. Flash chromatography on silica gel eluting with 25% ethyl acetate/hexane followed by 50% ethyl acetate/hexane provided 4-[4-(4-fluorophenoxy)benzenesulfonylamino]tetrahydropyran-4-carboxylic acid benzyl ester.

Aufarbeitung

  1. custommost of the solvent is removed by evaporation under vacuum
  2. customThe residue was partitioned between saturated sodium bicarbonate solution and dichloromethane
  3. customThe aqueous layer is separated
  4. extractionextracted with dichloromethane
  5. washThe combined organic layers are washed with brine
  6. dry with materialdried over sodium sulfate
  7. customEvaporation of the solvent under vacuum
  8. customprovided crude 4-[4-(4-fluorophenoxy)benzenesulfonylamino]tetrahydropyran-4-carboxylic acid benzyl ester

Quellen und Nachweise

ORD-Eintrag
ord-46847069b7724dec83bb715e9d5d0f55
Quelldatensatz
uspto-grants-2001_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06288246B1

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