2-Bromo-1-(2,5-dichlorophenyl)ethanone → HCID 71537482, compound
Reaction equation
C[O:2][C:3]([C:5]1[C:6]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][C:15]=2[N+:20]([O-:22])=[O:21])=[CH:7][CH:8]=[C:9]([C:11](=[S:13])[NH2:12])[CH:10]=1)=[O:4].Br[CH2:24][C:25]([C:27]1[CH:32]=[C:31]([Cl:33])[CH:30]=[CH:29][C:28]=1[Cl:34])=O>>[Cl:34][C:28]1[CH:29]=[CH:30][C:31]([Cl:33])=[CH:32][C:27]=1[C:25]1[N:12]=[C:11]([C:9]2[CH:10]=[C:5]([C:3]([OH:2])=[O:4])[C:6]([C:14]3[CH:19]=[CH:18][CH:17]=[CH:16][C:15]=3[N+:20]([O-:22])=[O:21])=[CH:7][CH:8]=2)[S:13][CH:24]=1Participants
3
Procedure
4-[4-(2,5-Dichloro-phenyl)-thiazol-2-yl]-2′-nitro-biphenyl-2-carboxylic acid (130 mg, 44%) was prepared from 2′-nitro-4-thiocarbamoyl-biphenyl-2-carboxylic acid methyl ester (which may be prepared as described for Intermediate 4) and 2-bromo-1-(2,5-dichlorophenyl)ethanone (available from Oakwood Products, Inc.) using the procedure described for the preparation of Example 1. 1H NMR (300 MHz, DMSO-d6) δ 8.50 (d, J=1.5 Hz, 1H), 8.33 (s, 1H), 8.05-8.19 (m, 3H), 7.74 (t, J=7.6 Hz, 1H), 7.50-7.66 (m, 3H), 7.37 (d, J=7.8 Hz, 2H).
Workup
- customdescribed for the preparation of Example 1
Sources & evidence
- ORD record
- ord-103dc2a1c0a041c882aaac4be3edffe9
- Source dataset
- uspto-grants-2015_07
- Patent number
- US09073881B2
Reaction notes
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