由二氧杂双环壬烷合成环状半缩酮和螺缩酮。
Synthesis of cyclic hemiketals and spiroketals from dioxanorbornanes.
作者信息
Winkler Jeffrey D, Mikochik Peter J
机构信息
Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
出版信息
Org Lett. 2004 Oct 14;6(21):3735-7. doi: 10.1021/ol048578r.
PMID:15469336
Abstract
[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.
摘要
[反应：见正文] 描述了一种通过二碘化钐由二氧杂降冰片烷合成取代吡喃酮半缩酮的新方法。还报道了通过酸促进的脱保护/缩酮化反应从类似中间体合成螺[4.5]缩酮的方法。
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