On the nature of the oxidative heterocoupling of lithium enolates.
On the nature of the oxidative heterocoupling of lithium enolates.
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DOI:
10.1021/ja205017e
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发表时间:
2011-08-03
影响因子:
15
通讯作者:
Flowers, Robert A., II
中科院分区:
文献类型:
--
作者:
Casey, Brian M.;Flowers, Robert A., II
The coupling of enolates through single electron oxidation is one of the most direct routes to generating 1,4-dicarbonyls. Recent work on the intermolecular heterocoupling of equimolar amounts of two different enolates through single electron oxidation has shown that synthetically useful yields beyond those statistically predicted can be obtained. To determine the underlying basis for the selective formation of heterocoupled products, kinetic, 7Li NMR, and synthetic studies were performed. The collection of data obtained from these experiments show that the selective formation of heterocoupled products is a consequence of heteroaggregation of lithium enolates.
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