2,2,2-Trifluoroethylhydrazine → 5-Amino-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carbonitrile
Reaction equation
[NH2:1][C:2]1N(C2C=CC=CC=2OC)[N:5]=[CH:4][C:3]=1[C:15]#N.[F:17][C:18]([F:23])([F:22])[CH2:19][NH:20][NH2:21]>>[NH2:5][C:4]1[N:20]([CH2:19][C:18]([F:23])([F:22])[F:17])[N:21]=[CH:15][C:3]=1[C:2]#[N:1]Participants
3
Procedure
Following the procedure for the preparation of 5-amino-1-(2-methoxyphenyl)-1H-pyrazole-4-carbonitrile but substituting 1-(2,2,2-trifluoroethyl)hydrazine provided the title compound. 400 MHz 1H NMR (CDCl3) δ 7.60 (s, 1H), 4.59 (m, 2H), 4.40 (brs, 2H).
Sources & evidence
- ORD record
- ord-dc4990f665254fc7bff489a3e58334c6
- Source dataset
- uspto-grants-2011_06
- Patent number
- US07964607B2
Reaction notes
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