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Selective Formation of Heterocyclic trans-Cycloalkenes by Alkyne Addition to a Biphenylene-based Phosphane/Borane Frustrated Lewis Pair

Abstract

The intramolecular 1-PMes2,8-B(C6F5)2 substituted biphenylene frustrated Lewis pair 4 shows some behavior reminiscent of intermolecular FLP systems. It undergoes trans-1,2-addition to a series of 1-alkynes to give the respective heterocyclic eight-membered E-alkenes 8. The P/B FLP 4 also reacts with triplet dioxygen to yield the [P]-O-[B](OC6F5) containing oxygenation product.

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Publication details

The article was received on 27 Apr 2018, accepted on 14 May 2018 and first published on 15 May 2018


Article type: Communication
DOI: 10.1039/C8CC03369B
Citation: Chem. Commun., 2018, Accepted Manuscript
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    Selective Formation of Heterocyclic trans-Cycloalkenes by Alkyne Addition to a Biphenylene-based Phosphane/Borane Frustrated Lewis Pair

    G. Erker, J. Li, C. G. Daniliuc and G. Kehr, Chem. Commun., 2018, Accepted Manuscript , DOI: 10.1039/C8CC03369B

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