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US 6,310,249 B1Granted
Process for producing 2-aminobenzophenone compound
AssigneeNissan Chemical Industries, Ltd.
InventorsHiroo Matsumoto, Takashi Horiuchi
Life of this patent
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Abstract
A 2-aminobenzophenone represented by formula (2) is obtained by heating an arylsulfonamide represented by formula (1) in the presence of aluminum chloride.
Claims1
A process for producing a 2-aminobenzophenone represented by formula (2) comprising:
- heating an arylsulfonamide represented by formula (1) in the presence of aluminum chloride:
- wherein X is a hydrogen atom, a C1-4 alkyl group or a halogen atom.
Dependencies are inferred from the claim text.