4.4 Article

Bismuth triflate-catalyzed oxa- and thia-Pictet-Spengler reactions:: access to iso- and isothio-chroman compounds

Journal

TETRAHEDRON LETTERS
Volume 49, Issue 38, Pages 5449-5451

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2008.07.007

Keywords

thia-Pictet-Spengler; iso(thio)chroman; aldehydes; bismuth triflate; phenylethanethiol

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A new route to functionalized iso(thio)chromans is described. The compounds are accessible easily in a one pot-reaction by using different benzaldehydes and phenylethanethiol or phenylethanol in presence of bismuth triflate. (C) 2008 Elsevier Ltd. All rights reserved.

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