Reactivity of isomeric pyridinecarboxaldehydes in catalytic hydrogenation
Journal Article
·
· Chemistry of Heterocyclic Compounds
OSTI ID:241168
- and others
It has been established by a quantum-chemical method (CNDO/2) that there are two possible mechanisms occurring in the vapor-phase hydrogenation of 2-, 3-, and 4-pyridinecarboxaldehydes in the presence of a copper-chromium catalyst at 180-300{degrees}C. One of these involves a donor-acceptor interaction of aldehyde with catalyst and the addition of hydrogen to the carbon atom of the carbonyl group at the first stage. The second possible mechanism is the synchronous addition of hydrogen to the carbon and oxygen of the carbonyl group of a weakly bound a aldehyde molecule with an unchanged electronic structure. 16 refs., 2 tabs.
- OSTI ID:
- 241168
- Journal Information:
- Chemistry of Heterocyclic Compounds, Vol. 30, Issue 8; Other Information: PBD: Feb 1995; TN: Translated from Khimiya Geterotsiklicheskikh Soedinenii; No. 8, 1082-1086(Aug 1994)
- Country of Publication:
- United States
- Language:
- English
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