Benzamide → 4'-Nitrobenzanilide

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According to the recently released paper in line with the direct manufacture of amide compound formed by the NASH reaction, it is reported that benzamide is reacted with nitrobenzene in the presence of TMA(OH) to isolate N-(4-nitrophenyl)benzamide, a relatively stable intermediate, and then methanol and ammonia are added to the mixture and reacted under a pressure reactor to prepare 4-nitroaniline as a final product, while regenerating benzamide (J. Org. Chem., 1993, 58(24), 6883-8; WO No. 93/24447).

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