Asymmetric Pauson-Khand-type reactions of 1,6-enynes using formaldehyde as a carbonyl source by cooperative dual rhodium catalysis

Takuma Furusawa, Tsumoru Morimoto, Keiichi Ikeda, Hiroki Tanimoto, Yasuhiro Nishiyama, Kiyomi Kakiuchi, Nakcheol Jeong

    Research output: Contribution to journalArticlepeer-review

    27 Citations (Scopus)

    Abstract

    A dual neutral-cationic rhodium(I)-catalyzed Pauson-Khand-type reaction using formaldehyde as a carbonyl source is described. The simultaneous use of neutral rhodium(I) and cationic rhodium(I) complexes is required for efficient cooperative catalysis, which involves the neutral rhodium(I)-catalyzed decarbonylation of formaldehyde and the cationic rhodium(I)-catalyzed cyclocarbonylation of 1,6-enynes using the resulting carbonyl moiety.

    Original languageEnglish
    Pages (from-to)875-881
    Number of pages7
    JournalTetrahedron
    Volume71
    Issue number5
    DOIs
    Publication statusPublished - 2015 Feb 4

    Bibliographical note

    Funding Information:
    This work was supported partly by Grants-in-Aid for Scientific Research on Innovative Area ‘Molecular Activation Directed toward Straightforward Synthesis’ from the Ministry of Education, Culture, Sports, Science and Technology, Japan (No. 25105737 ). We thank Ms. Yoshiko Nishikawa and Mr. Kazuo Fukuda for the HRMS measurements.

    Publisher Copyright:
    © 2014 Elsevier Ltd. All rights reserved.

    Keywords

    • Asymmetric Pauson-Khand reaction
    • Decarbonylation
    • Dual catalysis
    • Enyne
    • Formaldehyde

    ASJC Scopus subject areas

    • Biochemistry
    • Drug Discovery
    • Organic Chemistry

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