Benzimidazole → 2-(Benzimidazolyl)-1-(2,4-dichlorophenyl)ethanone
Reaction equation
[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[C:9](=[O:16])[CH2:10][C:11]1C=CN[N:12]=1.[N:17]1[C:21]2[CH:22]=[CH:23][CH:24]=[CH:25][C:20]=2NC=1>>[N:17]1[C:21]2[CH:22]=[CH:23][CH:24]=[CH:25][C:20]=2[NH:12][C:11]=1[CH2:10][C:9]([C:3]1[CH:4]=[CH:5][C:6]([Cl:8])=[CH:7][C:2]=1[Cl:1])=[O:16]Participants
3
Procedure
Made using the same procedure as for 1-(2,4-dichlorophenyl)-2-pyrazolylethan-1-one except that benzimidazole (5.3 g, 44.8 mmol) was used in place of pyrazole. The crude residue was purified on silica gel (50% EtOAc/hexanes) to yield a light yellow solid
Workup
- customThe crude residue was purified on silica gel (50% EtOAc/hexanes)
- customto yield a light yellow solid
Sources & evidence
- ORD record
- ord-70b6924245364c6094b372d68c5c275c
- Source dataset
- uspto-grants-2006_05
- Patent number
- US07037918B2
Reaction notes
Loading…