Tert-butyl acetoacetate → (2S,4R)-4-(2-chloro-benzenesulfonyl)-1-(3-oxo-butyryl)-pyrrolidine-2-carboxylic Acid Methyl Ester
Reaktionsgleichung
[CH3:1][O:2][C:3]([C@@H:5]1[CH2:9][C@@H:8]([S:10]([C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][C:14]=2[Cl:19])(=[O:12])=[O:11])[CH2:7][NH:6]1)=[O:4].[C:20](OC(C)(C)C)(=[O:25])[CH2:21][C:22]([CH3:24])=[O:23]>>[CH3:1][O:2][C:3]([C@@H:5]1[CH2:9][C@@H:8]([S:10]([C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][C:14]=2[Cl:19])(=[O:11])=[O:12])[CH2:7][N:6]1[C:20](=[O:25])[CH2:21][C:22](=[O:23])[CH3:24])=[O:4]Komponenten
3
Versuchsvorschrift
In analogy to the procedure described in example 192f, (2S,4R)-4-(2-chloro-benzenesulfonyl)-pyrrolidine-2-carboxylic acid methyl ester was reacted with tert-butyl acetoacetate to give the title compound as yellow solid.
Quellen und Nachweise
- ORD-Eintrag
- ord-de168f5244b048eb83e497ac7bc5fbe1
- Quelldatensatz
- uspto-grants-2012_04
- Patentnummer
- US08163793B2
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