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Application filed by А.Ф. Павличев, н Х.Е. ХчеfiledCriticalА.Ф. Павличев
Priority to SU671744ApriorityCriticalpatent/SU136358A1/en
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts
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Предмет п з о б р е т е н и Subject matter
Способ получени фталевого ангидрида путем окислени метилового эфира о-толуиловой кислоты кислородом или воздухом в жидкой фазе в присутствии олеата кобальта, отличающийс тем, что, с целью увеличени выхода и ускорени процесса, реакцию окислени провод т ирл температуре 170-180.The method of obtaining phthalic anhydride by oxidizing o-toluic acid methyl ester with oxygen or air in the liquid phase in the presence of cobalt oleate, characterized in that, in order to increase the yield and accelerate the process, the oxidation reaction is carried out at a temperature of 170-180.
SU671744A1960-06-291960-06-29
The method of obtaining phthalic anhydride
SU136358A1
(en)
Procedure for the preparation of dimethyl ester of methylterethyllic acid and trimethyl ester of trimethyl acid (Machine-translation by Google Translate, not legally binding)