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Synlett 2000; 2000(3): 335-338
DOI: 10.1055/s-2000-6550
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Biomimetic Construction of Fused Tricyclic Ether by Cascaded endo-Cyclization of the Hydroxy Triepoxide

Tetsuo Tokiwano* , Kenshu Fujiwara, Akio Murai
  • *Division of Chemistry, Graduate School of Science, Hokkaido University, Sapporo 060-0810, Japan; Fax +81-11-7 06-27 14; E-mail: amurai@sci.hokudai.ac.jp
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Publication Date:
31 December 2000 (online)

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The biomimetic successive ring-closure reactions of hydroxy di- and triepoxides catalyzed by La(OTf)3 to the trans-fused bi- and tricyclic ethers were achieved in one pot, respectively.

cascade cyclization - biogenesis - polycyclic ethers - hydroxy polyepoxides - lanthanum(III) triflate