A novel synthetic method of bicyclic pyrans via the palladium-catalyzed tandem cyclization/ring expansion between enynals and dimethyl acetylenedicarboxylate

Kenichiro Sato, Salprima Yudha S., Naoki Asao, Yoshinori Yamamoto

    Research output: Contribution to journalArticlepeer-review

    19 Citations (Scopus)

    Abstract

    The reaction of enynals 1 with dimethyl acetylenedicarboxylate 2 in the presence of Pd(OAc)2 and COD (cyclooctadiene) gives the bicyclic pyrans 3 in good yields.

    Original languageEnglish
    Pages (from-to)1409-1412
    Number of pages4
    JournalSynthesis
    Issue number9
    Publication statusPublished - 2004 Jun 18

    Keywords

    • Bicyclic pyran
    • Cyclization
    • Palladium catalyst
    • Ring expansion
    • Tandem reaction

    ASJC Scopus subject areas

    • Catalysis
    • Organic Chemistry

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