[CH3:1][O:2][N:3]=[C:4]([C:7]1[CH:12]=[N:11][CH:10]=[CH:9][N:8]=1)[C:5]#[N:6].[OH-:13].[K+]>CO.O>[CH3:1][O:2][N:3]=[C:4]([C:7]1[CH:12]=[N:11][CH:10]=[CH:9][N:8]=1)[C:5]([NH2:6])=[O:13]α-Methoxyiminopyrazineacetonitrile Z-isomer (6.0 g) was dissolved in 35 ml of methanol. A solution of potassium hydroxide (4 g) in 10 ml of water was added and the dark reaction mixture was stirred for 1 hour at a temperature of 40° C. The greater part of the methanol was evaporated under reduced pressure.
Wird geladen…