Enantioselective alkenylation via nickel-catalyzed cross-coupling with organozirconium reagents.

Enantioselective alkenylation via nickel-catalyzed cross-coupling with organozirconium reagents.
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DOI:
10.1021/ja1017046
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发表时间:
2010-04-14
影响因子:
15
通讯作者:
Fu GC
Fu GC
中科院分区:
化学1区
文献类型:
--
作者:
Lou S;Fu GC

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一类新的金属有机化合物,有机锆试剂,在(活化的)二次烷基亲电分子的交叉偶联反应中显示出合适的伙伴。因此,第一个催化二次α-溴酮与烯基金属试剂偶联的方法已经被开发出来,特别是一种温和的、通用的、立体收敛的碳-碳键形成过程,该过程产生潜在的不稳定的β,γ-不饱和酮,具有良好的对映选择性。
A new family of organometallic compounds, organozirconium reagents, are shown to serve as suitable partners in cross-coupling reactions of (activated) secondary alkyl electrophiles. Thus, the first catalytic method for coupling secondary α-bromoketones with alkenylmetal reagents has been developed, specifically a mild, versatile, and stereoconvergent carbon–carbon bond-forming process that generates potentially labile β,γ-unsaturated ketones with good enantioselectivity.
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