Abstract
The reaction between 4,6-dimethyl-1,2,3-triazine and cyclopentanone pyrrolidine enamine has been studied using ab initio SCF-MO computational methods. Solvent effects have also been taken into account. The reaction is predicted to be a concerted Diels–Alder cycloaddition. Self-consistent reaction field methods based on multipole expansions of the free energy of solvation tend to overestimate the stability of zwitterionic intermediates at the Hartree–Fock level. This overestimation results in a stepwise mechanism, although higher levels of theory predict a concerted mechanism.
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Schedule a callMore From: Journal of the Chemical Society, Perkin Transactions 2
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