反应详情

Using the reaction conditions of Example 2, 5.92 g (0.02 mole) of 3,5-dibromosalicylic acid and 5.32 g (0.02 mole) of 1-(4-aminophenyl)-1-(4-chlorophenyl)ethylene in the presence of phosphorus trichloride were reacted to give 4.26 of purified N-[4-[1-(4-chlorophenyl)ethenyl]phenyl]-2-hydroxy-3,5-dibromobenzamide, m.p. 181°-183°.

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