3-(Trifluoromethyl)benzaldehyde → 3,4-Dihydroxy-benzoic acid (3-trifluoromethyl-benzylidene)-hydrazide
Reaction equation
[OH:1][C:2]1[CH:3]=[C:4]([CH:9]=[CH:10][C:11]=1[OH:12])[C:5]([NH:7][NH2:8])=[O:6].[F:13][C:14]([F:24])([F:23])[C:15]1[CH:16]=[C:17]([CH:20]=[CH:21][CH:22]=1)[CH:18]=O>>[F:13][C:14]([F:23])([F:24])[C:15]1[CH:16]=[C:17]([CH:20]=[CH:21][CH:22]=1)[CH:18]=[N:8][NH:7][C:5](=[O:6])[C:4]1[CH:9]=[CH:10][C:11]([OH:12])=[C:2]([OH:1])[CH:3]=1Participants
3
Procedure
The title compound was prepared from 3,4-dihydroxy-benzoic acid hydrazide and 3-trifluoromethyl-benzaldehyde by a procedure similar to Example 22. 1H NMR (DMSO-d6): 11.79 (s, 1H), 9.55 (s, 1H), 9.28 (s, 1H), 8.50 (s, 1H), 8.04 (s, 1H), 8.0 (d, J=7.8 Hz, 1H), 7.78 (d, J=7.8 Hz, 1H), 7.70 (d, J=8.4 Hz, 1H), 7.38 (d, J=2.4 Hz, 1H), 7.31 (d, J=8.1 Hz, 1H), 6.83 (d, J=8.4 Hz, 1H).
Sources & evidence
- ORD record
- ord-4f64e1ae01864728a883f24745eac144
- Source dataset
- uspto-grants-2006_07
- Patent number
- US07074813B2
Reaction notes
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