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Communication | Regular issue | Vol 57, No. 8, 2002, pp.1409-1412
Published online, 1st January, 1970
DOI: 10.3987/COM-02-9536
Facile Synthesis of [5.n.1.01,5]Tricycles Mediated by Intramolecular Pauson-Khand Reaction of 3-Alkynyl-1-alkylidenecyclic Compounds

Miyuki Ishizaki,* Mina Masamoto, and Osamu Hoshino*

*Faculty of Pharmaceutical Sciences, Science University of Tokyo, 12, Ichigaya Funagawara-machi, Shinjuku-ku, Tokyo 162-0826, Japan

Abstract

Intramolecular Pauson-Khand reaction of various 3-alkynyl-1-alkylidenecyclic compounds gave corresponding [5.n.1.01,5] tricyclic compounds (n = 2-4). Facile construction of core structure for total synthesis of cedrene-type terpenoid, cedranediol, was also investigated.