Abstract
The condensation of pyridinecarbaldehydes with 3-cyano-4,5,5-trimethyl-2(5H)-furanone and 3-cyano-4,6,6-trimethyl-5,6-dihydro-2(2H)-pyranone leads to the formation of the products of crotonic condensation and compounds of the Michael adduct type. A model investigation of the mechanism by the semiempirical AM1 quantum-chemical method for the case of the reaction of 3-pyridinecarbaldehyde with 3-cyano-4,5,5-trimethyl-2(5H)-furanone showed that the products can be formed in parallel from one and the same intermediate compound.
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Fleisher, M., Jansone, D., Andreeva, G. et al. Quantum-chemical Modeling of the Reaction of 3-Pyridinecarbaldehyde with 3-Cyano-4,5,5-trimethyl-2(5H)-furanone. Chemistry of Heterocyclic Compounds 37, 688–693 (2001). https://doi.org/10.1023/A:1011905026968
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DOI: https://doi.org/10.1023/A:1011905026968