Sodium cyanoborohydride → HCID 11427314, Verbindung

HRID 2238603Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2238603
Cl.[CH3:2][NH:3][C:4](=[O:8])[C@H:5]([CH3:7])[NH2:6].C([BH3-])#N.[Na+].[CH2:13]([CH:20]1[C:24]2[CH:25]=[C:26]([CH:29]=O)[CH:27]=[CH:28][C:23]=2[O:22][CH2:21]1)[C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1>CO>[CH2:13]([CH:20]1[C:24]2[CH:25]=[C:26]([CH2:29][NH:6][CH:5]([CH3:7])[C:4]([NH:3][CH3:2])=[O:8])[CH:27]=[CH:28][C:23]=2[O:22][CH2:21]1)[C:14]1[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=1

Komponenten

5

Edukt 3

HCID 5003444Sodium cyanoborohydrideHCID 18595779(2S)-2-amino-N-methylpropanamide hydrochlorideHCID 23081980HCID 23081980, Verbindung

Produkt 1

HCID 11427314HCID 11427314, VerbindungAusbeute 50 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887MethanolLösungsmittel2×

Versuchsvorschrift

To a solution of (S)-N-methyl-alaninamide hydrochloride (0.50 g, 3.6 mmol) in methanol (10 ml), in the presence of molecular sieves (1.00 g), sodium cyanoborohydride (0.44 g, 6.9 mmol) and a solution of 3-benzyl-2,3-dihydro-1-benzofuran-5-carbaldehyde (0.75 g, 3.6 mmol) in methanol (10 ml) were added at room temperature. The reaction mixture was kept under stirring and an argon atmosphere for 12 h. Then, the solvent was evaporated under vacuum and the residue was purified by flash chromatography on silica gel (ethyl acetate) affording 0.58 g of title compound (50% yield).

Aufarbeitung

  1. customThen, the solvent was evaporated under vacuum
  2. customthe residue was purified by flash chromatography on silica gel (ethyl acetate)

Quellen und Nachweise

ORD-Eintrag
ord-ca04dc43a35246bebe3015f5f409b7d5
Quelldatensatz
uspto-grants-2010_05
Patentnummer
US07718815B2

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