Potassium Hydroxide → 2'-Carboxymethoxy-4-n-heptyl-4'-(3-methyl-2-butenyloxy)chalcone

反応式

[C:1]([CH2:4][O:5][C:6]1[CH:11]=[C:10]([O:12][CH2:13][CH:14]=[C:15]([CH3:17])[CH3:16])[CH:9]=[CH:8][C:7]=1[C:18](=[O:20])[CH3:19])([OH:3])=[O:2].[CH2:21]([C:28]1[CH:35]=[CH:34][C:31]([CH:32]=O)=[CH:30][CH:29]=1)[CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH3:27].[OH-].[K+]>C(O)C>[C:1]([CH2:4][O:5][C:6]1[CH:11]=[C:10]([O:12][CH2:13][CH:14]=[C:15]([CH3:16])[CH3:17])[CH:9]=[CH:8][C:7]=1[C:18](=[O:20])[CH:19]=[CH:32][C:31]1[CH:34]=[CH:35][C:28]([CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH3:27])=[CH:29][CH:30]=1)([OH:3])=[O:2]

参加物

実験手順

To a solution of 3.48 9 of 2'-carboxymethoxy-4'-(3-methyl-2-butenyloxy)acetophenone and 2.80 g of 4-n-heptylbenzaldehyde in 120 ml of ethanol was added 3.5 g of potassium hydroxide, and the mixture was stirred for 5 hours. After neutralization with dilute sulfuric acid, the resulting precipitate was collected by filtration, washed with water, dried and recrystallized from ethanol to give 4.10 g of 2'-carboxymethoxy-4-n-heptyl-4'-(3-methyl-2-butenyloxy)chalcone as pale yellow needles.