Sodium borohydride → Y 19018

反応式

[CH3:1][C:2]1[CH:18]=[CH:17][C:16]([N:19]2[CH:23]=[CH:22][N:21]=[CH:20]2)=[CH:15][C:3]=1[C:4]([C:6]1[C:11]([CH3:12])=[CH:10][C:9]([CH3:13])=[CH:8][C:7]=1[CH3:14])=[O:5].[BH4-].[Na+]>C(O)C.O>[CH3:12][C:11]1[CH:10]=[C:9]([CH3:13])[CH:8]=[C:7]([CH3:14])[C:6]=1[CH:4]([C:3]1[CH:15]=[C:16]([N:19]2[CH:23]=[CH:22][N:21]=[CH:20]2)[CH:17]=[CH:18][C:2]=1[CH3:1])[OH:5]

参加物

反応条件

温度: 50 °C

実験手順

To a suspension of 7.3 g of 2-methyl-5-(1-imidazolyl)-2',4',6'-trimethylbenzophenone in 50 ml of ethanol is added a solution of 1 g of sodium borohydride in 10 ml of water. After the mixture is stirred at 50° C. for 10 hours, the reaction mixture is poured into ice-cold water. The crystals precipitated are filtered off and recrystallized from ethanol to give 5.8 g of α-(2,4,6-trimethylphenyl)-2-methyl-5-(1-imidazolyl)benzenemethanol as white crystals, melting at 190°-191° C.