Methanol → 2,2-diethyl-3,4-dihydro-4-hydroxy-2H-1-benzopyran-6-carbonitrile

反応式

[BH4-:18].[CH2:1]([CH3:2])[C:3]1([CH2:16][CH3:17])[O:4][c:5]2[c:6]([cH:10][c:11]([C:14]#[N:15])[cH:12][cH:13]2)[C:7](=[O:9])[CH2:8]1.[CH3:20][OH:21].[Na+:19].[O:22]1[CH2:23][CH2:24][CH2:25][CH2:26]1>>[CH2:1]([CH3:2])[C:3]1([CH2:16][CH3:17])[O:4][c:5]2[c:6]([cH:10][c:11]([C:14]#[N:15])[cH:12][cH:13]2)[CH:7]([OH:9])[CH2:8]1