Reaction of N-(2-hydroxyethyl) ethylenediamine over zeolite and chromite catalysts |
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| Authors: | M. Subrahmanyam S. J. Kulkarni B. Srinivas |
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| Affiliation: | (1) Indian Institute of Chemical Technology, 500 007 Hyderabad |
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| Abstract: | N-(2-hydroxyethyl) ethylenediamine reaction was observed over zeolite catalysts giving rise to only dehydrocyclization and over chromite catalysts showing dehydrocyclization together with dehydrogenation. The major product changes from the cyclized compound piperazine to pyrazine when the reactant is switched from zeolite to chromite catalyst. This process stands as a model reaction for characterizing lone acid sites and adjacent acid-base sites over zeolite and chromite catalysts, respectively.IICT Communication No. 3175 |
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