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ABSTRACT:
SUBMITTER: James NC
PROVIDER: S-EPMC3731169 | biostudies-literature | 2013 Jul
REPOSITORIES: biostudies-literature
The Journal of organic chemistry 20130624 13
The energetics of the Diels-Alder cycloaddition reactions of several 1,3-dienes with acrylonitrile, and the energetics of formation of diradicals, were investigated with density functional theory (B3LYP and M06-2X) and compared to experimental data (Hall et al., J. Org. Chem.1993, 58, 7049-7058). For the reaction of 2,3-dimethyl-1,3-butadiene with acrylonitrile, the concerted reaction is favored over the diradical pathway by 2.5 kcal/mol using B3LYP/6-31G(d); experimentally, this reaction gives ...[more]