Synthesis of Cyclic Hemiketals and Spiroketals from Dioxanorbornanes
作者:Jeffrey D. Winkler、Peter J. Mikochik
DOI:10.1021/ol048578r
日期:2004.10.1
[reaction: see text] A new method for the synthesis of substituted pyranone hemiketals from dioxanorbornanes via SmI(2) is described. Also reported is a synthesis of spiro[4.5]ketals from analogous intermediates via acid-promoted deprotection/ketalization.