Dimethylformamide → 3-(difluoromethyl)-5-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole-4-carbaldehyde

Reaction equation

[Br:1][c:2]1[c:3]([CH:14]([F:15])[F:16])[n:4][n:5]([CH:8]2[O:9][CH2:10][CH2:11][CH2:12][CH2:13]2)[c:6]1[CH3:7].[CH2:22]([Li:23])[CH2:24][CH2:25][CH3:26].[CH3:27][N:28]([CH3:29])[CH:30]=[O:31].[CH3:32][CH2:33][CH2:34][CH2:35][CH2:36][CH3:37].[O:17]1[CH2:18][CH2:21][CH2:20][CH2:19]1>>[c:2]1([CH:18]=[O:17])[c:3]([CH:14]([F:15])[F:16])[n:4][n:5]([CH:8]2[O:9][CH2:10][CH2:11][CH2:12][CH2:13]2)[c:6]1[CH3:7]