作者:Kingmo Sun、Yuzhong Chen、Ty Wagerle、David Linnstaedt、Martin Currie、Preston Chmura、Ying Song、Ming Xu
DOI:10.1016/j.tetlet.2008.03.024
日期:2008.4
Syntheses of a series of novel butenolides as seed germination stimulants are described. The key steps include the cyclization reaction of enamine 4 to form a pyran ring, the efficient halogenating reaction and the selective lithiation reaction of butenolides.
描述了一系列新型丁烯内酯作为种子发芽刺激剂的合成。关键步骤包括烯胺4的环化反应以形成吡喃环,高效卤化反应和丁烯内酯的选择性锂化反应。