Rhodium(I)-catalyzed [2 + 2 + 2] cycloaddition reactions of triacetylenic 15-membered aza macrocycles: A comparative structural study

Sandra Brun, Anna Torrent, Anna Pla-Quintana, Anna Roglans, Xavier Fontrodona, Jordi Benet-Buchholz, Teodor Parella

    Research output: Contribution to journalArticleResearchpeer-review

    10 Citations (Scopus)

    Abstract

    A variety of new nitrogen-containing 15-membered triacetylenic macrocycles with one or two alkyl substituents in a propargylic position have been efficiently synthesized and completely characterized. These macrocyclic systems undergo [2 + 2 + 2] cycloaddition reactions, leading to the corresponding fused tetracycles with a benzene core on treatment with Wilkinson's catalyst, [RhCl(PPh 3) 3]. The effects of alkyl chains have been evaluated on both the efficiency of the reaction and the conformational and structural analysis of the reactants. © 2011 American Chemical Society.
    Original languageEnglish
    Pages (from-to)318-326
    JournalOrganometallics
    Volume31
    Issue number1
    DOIs
    Publication statusPublished - 9 Jan 2012

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