Catalytic effect on the mechanism of [2 + 2] polar cycloadditions

Miguel Durán, Juan Bertrán

Research output: Contribution to journalArticleResearchpeer-review

3 Citations (Scopus)


The Lewis acid-catalysed reaction between hydroxyethylene and acrylaldehyde has been studied by the MINDO/3 method. The potential barriers for the uncatalysed and catalysed reactions are determined by the second and first transition states respectively. The main effect of the catalyst is to advance the first transition state along the reaction co-ordinate and to increase the zwitterionic character of the intermediate. An insight into the catalytic action is obtained.
Original languageEnglish
Pages (from-to)197-200
JournalJournal of the Chemical Society, Perkin Transactions 2 (2001)
Issue number2
Publication statusPublished - 1 Dec 1984


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