Title of article
Synthesis of functionalized benzopyrans by sequential [3+3]-cyclization—Williamson reactions of 1,3-bis(trimethylsilyloxy)-7-chlorohepta-1,3-dienes
Author/Authors
Hong Nguyen، نويسنده , , Van Thi and Langer، نويسنده , , Peter، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2005
Pages
3
From page
815
To page
817
Abstract
Functionalized benzopyrans were regioselectively prepared by [3+3]-cyclization of 1,3-bis(trimethylsilyloxy)-7-chlorohepta-1,3-dienes with 3-silyloxy-2-eno-1-ones and subsequent intramolecular Williamson reactions of the salicylates thus formed.
Keywords
Benzopyrans , Lewis acids , cyclizations , Silyl enol ethers , ethers
Journal title
Tetrahedron Letters
Serial Year
2005
Journal title
Tetrahedron Letters
Record number
1844633
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