ArticleJournal of molecular modeling2019
Mechanistic study on the intramolecular oxa-[4 + 2] cycloaddition of substituted o-divinylbenzenes.
Article in Journal of molecular modeling, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Theoretical study on reaction mechanism of synthesis of iridium complexes having cyclometalated acyclic diaminocarbene ancillary ligands.Journal of molecular modeling · 2019Article
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Abstract
This paper reports a detailed computational study of the mechanisms of formation of oxacyclic derivatives from substituted o-divinylbenzenes by a photoinduced intramolecular oxa-[4 + 2] cycloaddition. The reaction mechanism and chemoselectivity of trans, trans- and cis, trans-substituted ortho-divinylbenzene were studied. Detailed density functional theory calculations show that the reaction system proceeds through two main steps: light-active intramolecular cyclization and Diels-Alder reactions of C=O. Trans, trans-products of cycloaddition of substituted o-divinylbenzenes are more favored than cis, trans-products. Compared with different substituents, the cycloaddition reaction of phenyl ketone has a relatively low activation barrier, and the strong electron-withdrawing group on the benzene ring is more favorable for the intramolecular cycloaddition reaction of substituted o-divinylbenzenes.
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