Morpholine → benzyl(3S)-1-[(1S)-1-methyl-2-morpholin-4-yl-2-oxoethyl]-2-oxopyrrolidin-3-ylcarbamate

HRID 7290

Reaktionsgleichung

Reaktionsgleichung von HRID 7290
[CH2:1]([O:8][C:9]([NH:11][C@H:12]1[CH2:16][CH2:15][N:14]([C@@H:17]([CH3:21])[C:18]([OH:20])=O)[C:13]1=[O:22])=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.F[B-](F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2C=CC=CC=2N=N1.C(N(CC)C(C)C)(C)C.[NH:54]1[CH2:59][CH2:58][O:57][CH2:56][CH2:55]1.[Cl-].[NH4+]>CN(C=O)C>[CH3:21][C@H:17]([N:14]1[CH2:15][CH2:16][C@H:12]([NH:11][C:9](=[O:10])[O:8][CH2:1][C:2]2[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=2)[C:13]1=[O:22])[C:18]([N:54]1[CH2:59][CH2:58][O:57][CH2:56][CH2:55]1)=[O:20]

Komponenten

7

Versuchsvorschrift

(2S)-2-((3S)-3-{[(Benzyloxy)carbonyl]amino}-2-oxopyrrolidin-1-yl)propanoic acid (84.5 g) was dissolved in DMF (2I) and O-(benzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium tetrafluoroborate (161 g) was added, followed by N,N-diisopropylethylamine (92 ml) and morpholine (46 ml). The mixture was stirred under nitrogen for 2.5 h, and saturated aqueous ammonium chloride was added. The mixture was stirred for 15 min then partitioned between water and ethyl acetate. The separated organic phase was washed with lithium chloride (10% by weight), followed by saturated sodium bicarbonate and brine. The organic layer was dried (over sodium sulphate) and concentrated under reduced pressure to give the title compound (65 g) as a yellow solid.

Aufarbeitung

  1. stirringThe mixture was stirred for 15 min
  2. customthen partitioned between water and ethyl acetate
  3. washThe separated organic phase was washed with lithium chloride (10% by weight)
  4. dry with materialThe organic layer was dried (over sodium sulphate)
  5. concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-da9cd41501664b12815cadc2aacf7368
Quelldatensatz
uspto-grants-2006_08
Patentnummer
US07084139B2

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