Palladium-Catalyzed 1,4-Difunctionalization of Butadiene To Form Skipped Polyenes

被引:138
|
作者
McCammant, Matthew S. [1 ]
Liao, Longyan [1 ]
Sigman, Matthew S. [1 ]
机构
[1] Univ Utah, Dept Chem, Salt Lake City, UT 84112 USA
基金
美国国家卫生研究院;
关键词
CONJUGATED DIENES; MARINE SPONGE; PD(0)-CATALYZED DIAMINATION; STEREOCHEMICAL ASSIGNMENT; STEREOSPECIFIC SYNTHESIS; STRUCTURE ELUCIDATION; COUPLING REACTIONS; INTERNAL ALKYNES; TERMINAL ALKENES; INHIBITOR;
D O I
10.1021/ja3110544
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A palladium-catalyzed 1,4-addition across the commodity chemical 1,3-butadiene to afford skipped polyene products is reported. Through a palladium sigma -> pi -> sigma allyl isomerization, two new carbon-carbon bonds are formed with high regioselectivity and trans stereoselectivity of the newly formed alkene. The utility of this method is highlighted by the successful synthesis of the ripostatin A skipped triene core.
引用
收藏
页码:4167 / 4170
页数:4
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