Conclusions
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1.
It was found that the activity and selectivity of halides of rhodium, ruthenium, and palladium for carbonylation of methyl acetate to acetic anhydride vary according to the series: RhCl3>RuCl3>PdCl2.
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2.
The optimum conditions for synthesis of acetic anhydride by carbonylation of methyl acetate have been found.
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3.
A reaction mechanism has been proposed for the carbonylation of methyl acetate with formation of acetic anhydride in the presence of a catalytic system consisting of rhodium(III) chloride, zinc acetate, and methyl iodide.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 10, pp. 2265–2268, October, 1985.
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Mamyan, V.A., Sominskii, S.D., Pirozhkov, S.D. et al. Formation of acetic anhydride by carbonylation of methyl acetate. Russ Chem Bull 34, 2095–2098 (1985). https://doi.org/10.1007/BF00963241
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DOI: https://doi.org/10.1007/BF00963241