1,1-Dimethylhydrazine → 2-Methyl-5-(5-methyl-3-phenyl-isoxazol-4-ylmethoxy)-2H-pyrazole-3-carboxylic acid N',N'-dimethyl-hydrazide
Reaction equation
CO[C:3]([C:5]1[N:6]([CH3:24])[N:7]=[C:8]([O:10][CH2:11][C:12]2[C:13]([C:18]3[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=3)=[N:14][O:15][C:16]=2[CH3:17])[CH:9]=1)=[O:4].[CH3:25][N:26]([CH3:28])[NH2:27]>>[CH3:25][N:26]([CH3:28])[NH:27][C:3]([C:5]1[N:6]([CH3:24])[N:7]=[C:8]([O:10][CH2:11][C:12]2[C:13]([C:18]3[CH:19]=[CH:20][CH:21]=[CH:22][CH:23]=3)=[N:14][O:15][C:16]=2[CH3:17])[CH:9]=1)=[O:4]Participants
3
Procedure
As described for example 43, 2-methyl-5-(5-methyl-3-phenyl-isoxazol-4-ylmethoxy)-2H-pyrazole-3-carboxylic acid methyl ester (120 mg, 0.37 mmol) was converted using N,N-dimethylhydrazine instead of rac-3-aminotetrahydrofuran, to the title compound (130 mg, 100%) which was obtained as a colorless oil. MS: m/e=356.2 [M+H]+.