Br[C:2]1[CH:7]=[CH:6][N:5]=[C:4]([N:8]2[C:15]3[C@@H:14]4[CH2:16][C@@H:13]4[CH2:12][C:11]=3[C:10]([C:17]([OH:19])=[O:18])=[N:9]2)[CH:3]=1.[CH3:20][S:21]([O-:23])=[O:22].[Na+]>CS(C)=O.O>[CH3:20][S:21]([C:2]1[CH:7]=[CH:6][N:5]=[C:4]([N:8]2[C:15]3[C@@H:14]4[CH2:16][C@@H:13]4[CH2:12][C:11]=3[C:10]([C:17]([OH:19])=[O:18])=[N:9]2)[CH:3]=1)(=[O:23])=[O:22]A solution of (1aR,5aR)-2-(4-bromopyridin-2-yl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid (80 mg, 0.25 mmol) and sodium methanesulfinate (28 mg, 0.28 mmol) in DMSO (1.5 mL) was stirred overnight at 80° C. The reaction was diluted with H2O, and then extracted with DCM (3×). The combined organics were washed with H2O, dried, and concentrated. The residue was purified by silica gel column chromatography to give the title compound (50 mg). LCMS m/z=320.2 [M+H]+.
Wird geladen…