作者: Li Yang , Jing Feng , Jinpeng Li , Bo Liu
DOI: 10.1016/J.TETLET.2015.06.093
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摘要: Abstract The highly diastereoselective total synthesis of heliespirone B, an oxaspirocyclic compound isolated from the leaves Helianthus annuus, has been accomplished (R)-curcuphenol. Key transformations include formation structure via a oxa-Michael reaction.