benzyl (2S,4R)-2-(fluoromethyl)-4-methoxypyrrolidine-1-carboxylate → (2S,4R)-2-(fluoromethyl)-4-methoxypyrrolidine

HRID 81140Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 81140
[F:1][CH2:2][C@@H:3]1[CH2:7][C@@H:6]([O:8][CH3:9])[CH2:5][N:4]1C(OCC1C=CC=CC=1)=O.[H][H]>C(OCC)(=O)C.[Pd]>[F:1][CH2:2][C@@H:3]1[CH2:7][C@@H:6]([O:8][CH3:9])[CH2:5][NH:4]1

Komponenten

5

Edukt 2

HCID 86724496benzyl (2S,4R)-2-(fluoromethyl)-4-methoxypyrrolidine-1-carboxylateHCID 178418361HCID 178418361, Verbindung

Produkt 1

HCID 86724497(2S,4R)-2-(fluoromethyl)-4-methoxypyrrolidine

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 23938PalladiumKatalysatorHCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

To benzyl (2S,4R)-2-(fluoromethyl)-4-methoxypyrrolidine-1-carboxylate (529 mg, 1.98 mmol) dissolved in ethyl acetate (12.9 mL) was added palladium on carbon (211 mg, 0.2 mmol). Hydrogen gas was added via balloon, and the reaction was stirred at room temperature for 3 hours. The mixture was filtered over celite and concentrated under reduced pressure to afford (2S,4R)-2-(fluoromethyl)-4-methoxypyrrolidine. 1H NMR (500 MHz, CDCl3) δ 4.44-4.19 (m, 2H), 3.29 (s, 3H), 3.09-2.93 (m, 2H), 2.02-1.92 (m, 1H), 1.78 (s, 2H), 1.62-1.56 (m, 1H), 1.25 (s, 1H).

Aufarbeitung

  1. filtrationThe mixture was filtered over celite and
  2. concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-9dde6d74d34b48fea2677eee48498144
Quelldatensatz
uspto-grants-2014_09
Patentnummer
US08846657B2

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