Batch Reactive Distillation in Bromodifluoroacetic Acid Synthesis Technology


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Abstract

A catalytic distillation process reacting in a column bottom was experimentally studied for the transesterification of methyl and ethyl esters of bromodifluoroacetic acid with trifluoroacetic acid. Sulfuric acid was used as a catalyst. Experiments were performed at different column bottom heat duties. As a result of the experiments, we had bromodifluoroacetic acid with a purity above 97.0 mol % at a product yield of 87.4%.

About the authors

E. V. Lupachev

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Author for correspondence.
Email: egorlu91@gmail.com
Russian Federation, Moscow, 119991

A. V. Polkovnichenko

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences; MIREA Russian Technological University (Institute of Fine Chemical Technologies)

Email: kulov@igic.ras.ru
Russian Federation, Moscow, 119991; Moscow, 119571

S. Ya. Kvashnin

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: kulov@igic.ras.ru
Russian Federation, Moscow, 119991

V. A. Lotkhov

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: kulov@igic.ras.ru
Russian Federation, Moscow, 119991

N. N. Kulov

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Author for correspondence.
Email: kulov@igic.ras.ru
Russian Federation, Moscow, 119991

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