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Water → tert-Butyl 4-fluoro-4-(hydroxymethyl)piperidine-1-carboxylate

HRID 2040172
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2040172
[F:1][C:2]1([C:15](OCC)=[O:16])[CH2:7][CH2:6][N:5]([C:8]([O:10][C:11]([CH3:14])([CH3:13])[CH3:12])=[O:9])[CH2:4][CH2:3]1.[H-].[H-].[H-].[H-].[Li+].[Al+3].O.[OH-].[Na+]>O1CCCC1>[F:1][C:2]1([CH2:15][OH:16])[CH2:3][CH2:4][N:5]([C:8]([O:10][C:11]([CH3:12])([CH3:13])[CH3:14])=[O:9])[CH2:6][CH2:7]1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 962WaterHCID 14798Sodium HydroxideHCID 21226445Aluminium lithium hydrideHCID 21306965Ethyl N-Boc-4-fluoropiperidine-4-carboxylate

Produkt 1

HCID 22248400tert-Butyl 4-fluoro-4-(hydroxymethyl)piperidine-1-carboxylate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028
Tetrahydrofuran
Lösungsmittel
2×

Versuchsvorschrift

1-Tert-butyl 4-ethyl 4-fluoropiperidine-1,4-dicarboxylate (1.0 g) in tetrahydrofuran (5 mL) was treated with 1.0 N LiAlH4 in THF (2.54 mL) at 0° C. The reaction mixture was stirred at room temperature for 2 hours. Water (0.6 mL) was added to the reaction mixture drop-wise, followed by 2 N aqueous NaOH (0.2 mL). The reaction was stirred for another 1 hour. The solid was removed by filtration via a pack of Celite and washed with ethyl acetate. The filtrate was washed with brine, dried over MgSO4, filtered, and concentrated to give the product.

Aufarbeitung

  1. stirringThe reaction was stirred for another 1 hour
  2. customThe solid was removed by filtration via a pack of Celite
  3. washwashed with ethyl acetate
  4. washThe filtrate was washed with brine
  5. dry with materialdried over MgSO4
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customto give the product

Quellen und Nachweise

ORD-Eintrag
ord-4f45ba35fcde49e5a62426c7b9afdfce
Quelldatensatz
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08580794B2

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