Abstract
Zeolite K-EMT is as active and selective to N-mono methylation as K–Y in the alkylation of aniline with dimethyl carbonate at 408 or 453 K. No C-alkylation occurs in the temperature range studied. At 503 K, K-X and Cs-X are about 75% selective for dialkylation to N,N-dimethylaniline with about 97% conversion.
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Hari Prasad Rao, P.R., Massiani, P. & Barthomeuf, D. Selectivity to N-mono or dialkylation in the reaction of aniline with dimethyl carbonate on faujasite, EMT and beta alkaline zeolites. Catal Lett 31, 115–120 (1995). https://doi.org/10.1007/BF00817038
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DOI: https://doi.org/10.1007/BF00817038