[CH:1]([C:3]1[N:8]=[C:7]([C:9]([O:11][CH2:12][CH3:13])=[O:10])[CH:6]=[CH:5][CH:4]=1)=[CH2:2]>C(O)C.[OH-].[OH-].[Pd+2]>[CH2:1]([C:3]1[N:8]=[C:7]([C:9]([O:11][CH2:12][CH3:13])=[O:10])[CH:6]=[CH:5][CH:4]=1)[CH3:2]Ethyl 6-vinylpicolinate (4.70 g, 26.5 mmol) was dissolved in 100 mL of ethanol. To this was added 20% Pd(OH)2 on carbon (1 g, 50% water) and the mixture was stirred under a hydrogen balloon for 2 hours. The mixture was purged with nitrogen, filtered through GF/F filter paper, and the filtrate concentrated under reduced pressure to give 4.5 g (95%) of the title compound.
Wird geladen…