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Water → Tert-butyl 4-(aminomethyl)-4-benzylsulfanylpiperidine-1-carboxylate

HRID 1960272
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1960272
[H-].[Al+3].[Li+].[H-].[H-].[H-].[CH2:7]([S:14][C:15]1([CH2:28][N+:29]([O-])=O)[CH2:20][CH2:19][N:18]([C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[CH2:17][CH2:16]1)[C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1.O>C(OCC)C.O1CCCC1.C(OCC)(=O)C>[NH2:29][CH2:28][C:15]1([S:14][CH2:7][C:8]2[CH:9]=[CH:10][CH:11]=[CH:12][CH:13]=2)[CH2:16][CH2:17][N:18]([C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[CH2:19][CH2:20]1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 3

HCID 962WaterHCID 21226445Aluminium lithium hydride2×HCID 57475998Tert-butyl 4-(benzylthio)-4-(nitromethyl)piperidine-1-carboxylate

Produkt 1

HCID 57475999Tert-butyl 4-(aminomethyl)-4-benzylsulfanylpiperidine-1-carboxylateAusbeute 28,1 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 3283
Diethyl Ether
Lösungsmittel
2×
HCID 8028TetrahydrofuranLösungsmittel
HCID 8857Ethyl AcetateLösungsmittel2×

Versuchsvorschrift

To a mixture of lithium aluminum hydride (0.4 g) and diethyl ether (20 ml) was added a solution of tert-butyl 4-(benzylthio)-4-(nitromethyl)piperidine-1-carboxylate (1.28 g) in diethyl ether (5 ml) at 0° C. The reaction mixture was heated under reflux for 1 hr. The excess lithium aluminum hydride was decomposed with ethyl acetate, and water was added. The reaction mixture was diluted with a mixed solvent of tetrahydrofuran and ethyl acetate; and the inorganic salt was removed by filtration. The filtrate was washed with saturated brine, dried (MgSO4), and concentrated, and the obtained residue was subjected to silica gel column chromatography to give the title compound (0.33 g, yield 28%) as a colorless oil from a fraction eluted with ethyl acetate-methanol (2:1, volume ratio).

Aufarbeitung

  1. temperatureThe reaction mixture was heated
  2. temperatureunder reflux for 1 hr
  3. additionwas added
  4. customand the inorganic salt was removed by filtration
  5. washThe filtrate was washed with saturated brine
  6. dry with materialdried (MgSO4)
  7. concentrationconcentrated

Quellen und Nachweise

ORD-Eintrag
ord-c813da3f79ad4474a02fdb173421ae3a
Quelldatensatz
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08410087B2

Notizen zur Reaktion

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