C(O)C.[Na].[Cl:5][C:6]1[CH:11]=[CH:10][C:9]([OH:12])=[CH:8][CH:7]=1.[C:13]([CH2:15][CH2:16][NH:17][C:18](=[O:23])[C:19](Br)([CH3:21])[CH3:20])#[N:14]>C1(C)C=CC=CC=1>[C:13]([CH2:15][CH2:16][NH:17][C:18](=[O:23])[C:19]([O:12][C:9]1[CH:10]=[CH:11][C:6]([Cl:5])=[CH:7][CH:8]=1)([CH3:21])[CH3:20])#[N:14]Into a 25 liter reactor fitted with cooling and stirring means there were poured 3 liters of ethanol, 60 g of sodium and 250 g of p-chlorophenol (1.944 mol). After stirring for 1 hour there were added 3 liters of toluene and the ethanol/toluene azeotrope was removed by distillation; 2 more liters of toluene were added and also 425 g of N-cyanoethyl α -bromo-isobutyramide, (1.944 mol).
Wird geladen…