A Highly Efficient Synthesis of (−)-PI-091 Construction of the 4-Alkoxy-2-butene-4-lactam Skeleton from Fischer-Type Carbene Complexes, Alkynyllithiums, and Tosyl Isocyanate

ADVERTISEMENT RETURN TO ISSUEPREVCommunicationNEXTA Highly Efficient Synthesis of (−)-PI-091 Construction of the 4-Alkoxy-2-butene-4-lactam Skeleton from Fischer-Type Carbene Complexes, Alkynyllithiums, and Tosyl IsocyanateNobuharu Iwasawa and Katsuya MaeyamaView Author Information Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113, Japan Cite this: J. Org. Chem. 1997, 62, 7, 1918–1919Publication Date (Web):April 4, 1997Publication History Received14 January 1997Published online4 April 1997Published inissue 1 April 1997https://pubs.acs.org/doi/10.1021/jo9700686https://doi.org/10.1021/jo9700686rapid-communicationACS PublicationsCopyright © 1997 American Chemical SocietyRequest reuse permissionsArticle Views330Altmetric-Citations43LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-AlertscloseSupporting Info (1)»Supporting Information Supporting Information SUBJECTS:Carbene complexes,Cyclization,Mixtures,Propargyls,Substituents Get e-Alerts