Benzene → 3-Benzoyl-2-thiophenecarboxylic acid
Reaction equation
[S:1]1[CH:5]=[CH:4][C:3]2[C:6]([O:8][C:9](=[O:10])[C:2]1=2)=[O:7].[Cl-].[Al+3].[Cl-].[Cl-].[CH:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1>>[C:6]([C:3]1[CH:4]=[CH:5][S:1][C:2]=1[C:9]([OH:8])=[O:10])(=[O:7])[C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1Participants
4
Procedure
Employing 2,3-thiophene dicarboxylic anhydride and benzene, substantially the same reaction and work-up as in Reference Example 8 Step 1 in the presence of aluminum chloride were conducted to give 3-benzoyl-2-thiophenecarboxylic acid as colorless crystals.
Sources & evidence
- ORD record
- ord-d9e59ea09be14f3f937361ad1a95346f
- Source dataset
- uspto-grants-1996_12
- Patent number
- US05585385
Reaction notes
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