Lawesson's reagent → (2S,4R)-4-(4-Fluoro-2-trifluoromethyl-benzenesulfonyl)-1-(3-oxo-thiobutyryl)-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][C:16]([F:19])=[CH:15][C:14]=2[C:20]([F:23])([F:22])[F:21])(=[O:12])=[O:11])[CH2:7][N:6]1[C:24](=O)[CH2:25][C:26](=[O:28])[CH3:27])=[O:4].COC1C=CC(P2(SP(C3C=CC(OC)=CC=3)(=S)S2)=[S:39])=CC=1>>[CH3:1][O:2][C:3]([C@@H:5]1[CH2:9][C@@H:8]([S:10]([C:13]2[CH:18]=[CH:17][C:16]([F:19])=[CH:15][C:14]=2[C:20]([F:23])([F:22])[F:21])(=[O:12])=[O:11])[CH2:7][N:6]1[C:24](=[S:39])[CH2:25][C:26](=[O:28])[CH3:27])=[O:4]Komponenten
3
Edukt 2
Produkt 1
Versuchsvorschrift
In analogy to the procedure described in example 192 g, (2S,4R)-4-(4-fluoro-2-trifluoromethyl-benzenesulfonyl)-1-(3-oxo-butyryl)-pyrrolidine-2-carboxylic acid methyl ester was reacted with Lawesson's reagent to give the title compound as brown solid.