Abstract
The reaction of preparation of alkyl-substituted pyridines by hydroformylation of ethylene in the presence of ammonia on heterogeneous Rh-containing catalysts with the formation of 2-ethyl-3,5-dimethylpyridine (I) as the basic product with up to 70–80% conversion of gases and up to an 80 wt. % concentration of the basic product was investigated. The dependence of the activity and selectivity of the catalysts on the concentration of Rh and nature of the support was determined. A correlation between the activity of the catalysts and their acid properties was established by IR spectroscopy.
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