Diverse cyclization catalyzed by in(OTf)3 for the convergent assembly of substituted tetrahydrofurans and tetrahydropyrans

Teck Peng Loh, Qi Ying Hu, Kui Thong Tan, Hin Soon Cheng

Research output: Contribution to journalArticlepeer-review

92 Scopus citations

Abstract

(Equation presented) A novel In(OTf)3-catalyzed (3,5) oxonium-ene type cyclization for the facile construction of various multisubstituted tetrahydrofurans and tetrahydropyrans was successfully developed. Further mechanistic investigations unveiled an In(OTf)3-catalyzed skeletal reorganization of the tetrahydrofuran to its thermodynamic isomer under thermal conditions.

Original languageEnglish
Pages (from-to)2669-2672
Number of pages4
JournalOrganic Letters
Volume3
Issue number17
DOIs
StatePublished - 23 Aug 2001
Externally publishedYes

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