Title of article
γ-Lactonizations of 2H-chromenes via cyclopropanation
Author/Authors
Stokes، نويسنده , , Sean and Spears، نويسنده , , Ben and Laseter، نويسنده , , Cameron and Barker، نويسنده , , Bobby and Mead، نويسنده , , Keith T.، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2010
Pages
4
From page
4003
To page
4006
Abstract
A two-step synthesis of tetrahydro-2H-furochromenones from 2H-chromenes is reported. The reaction of a series of tert-butyl 2-diazoacetate derivatives with 2H-chromenes, catalyzed by Rh2(OAc)4, generated cyclopropane intermediates that rearranged to γ-lactones on treatment with Sn(OTf)2.
Keywords
?-Lactones , Cyclopropanation , ?-Diazocarbonyls , 2H-Chromenes
Journal title
Tetrahedron Letters
Serial Year
2010
Journal title
Tetrahedron Letters
Record number
1873768
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