2006
DOI: 10.1002/ange.200503874
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Gold‐ or Platinum‐Catalyzed Tandem Cycloisomerization/Prins‐Type Cyclization Reactions

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Cited by 60 publications
(17 citation statements)
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“…[4b, g, 5] A very elegant and visionary variation of this principle has been reported by Barluenga et al [6] Considering the above-mentioned reaction pathways, we were curious to know if it was possible to use diyne-diols with a suitable distance between the reacting groups to induce a selective mono attack of the hydroxyl groups (Scheme 1 d). A formation of bicyclic bis(enol ethers) should lead to reactive intermediates that could allow an entry for further transformations.…”
Section: Introductionmentioning
confidence: 90%
“…[4b, g, 5] A very elegant and visionary variation of this principle has been reported by Barluenga et al [6] Considering the above-mentioned reaction pathways, we were curious to know if it was possible to use diyne-diols with a suitable distance between the reacting groups to induce a selective mono attack of the hydroxyl groups (Scheme 1 d). A formation of bicyclic bis(enol ethers) should lead to reactive intermediates that could allow an entry for further transformations.…”
Section: Introductionmentioning
confidence: 90%
“…[155] Die damit verwandte goldkatalysierte Hydroalkoxylierung eines homoallylischen Alkohols (Schema 19) mit anschließender Prins-Cyclisierung steigert die Komplexität der Molekülstruktur erheblich. [156] Wird die Cyclisierung von Verbindung 92 [157] in einer Sauerstoffatmosphäre durchgeführt, so geht das zunächst gebildete Dihydrofuran 93 spontan eine goldkatalysierte Oxidation zum entsprechenden Butenolid 94 ein (Schema 20). [158,159] Die Bildung eines Isochromenons auf analogem Weg legt eine erhebliche Anwendungsbreite dieser Heterocyclensynthese nahe [Gl.…”
Section: Angewandte Chemieunclassified
“…It should be noted that in this particular case we did not observe the formation of products coming from an also possible 5-endo-hydroalkoxylation reaction of the carbon-carbon triple bond. [30] Structural assignments of all new compounds were based on a series of NMR studies or established by analogy. Additionally, the structures of 3 c and 3 e were confirmed by single-crystal X-ray diffraction analysis.…”
Section: Resultsmentioning
confidence: 99%