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nitric acid

phthalic acid

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3- nitrophthalic acid

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후처리

1. 1
   workup.ADDITIONeach added to a reaction vessel
2. 2
   기타brought to a temperature of 70° C
3. 3
   기타produces
4. 4
   기타yields of greater than 90%
5. 5
   기타of theoretical yield
6. 6
   workup.ADDITIONmix in mole percent

실험 절차

100 parts by weight and 150 parts by weight 99% by weight concentrated nitric acid are each added to a reaction vessel and brought to a temperature of 70° C. To each solution is added 10 parts by weight phthalic acid. Nitration is allowed to continue at 70° C. for three hours and produces yields of greater than 90% of theoretical yield consisting essentially of a mixture of 3- and 4- nitrophthalic acid. Table 1 shows the make-up of the reaction product mix in mole percent. The mole ratio of 4- to 3- nitrophthalic acid formed was approximately 1.1:1.

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