The formation of oxygen-containing heterocycles via intramolecular cyclizations of halo-substituted acylsilanes and unsaturated acylsilanes
Resource
Tetrahedron 55 (51): 14587-14598
Journal
Tetrahedron
Pages
14587-14598
Date Issued
1999
Date
1999
Author(s)
Tsai, Yeun-Min
Cherng, Chaur-Donp
Nieh, Hong-Chang
Sieh, Jiuen-Ahn
Abstract
Halo-substituted acylsilanes undergo cyclizations easily when heated in a polar solvent such as NMP to afford 2-silyldihydrofurans and 2- silyldihydropyrans. Unsaturated acylsilanes undergo cyclizations through reactions with iodine, phenylselenenyl bromide, or chloride. Further reactions of the cyclized products with pyridinium perbromide, phenylselenenyl bromide, or chloride give highly functionalized dihydrofurans and dihydropyrans.
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Type
journal article
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