Water-promoted organic reactions. aldol reaction of silyl enol ethers with carbonyl compounds under atmospheric pressure and neutral conditions.
摘要：
As a consequence of the hydrophobic effect, the reaction between silyl enol ethers and aldehydes are shown to proceed without a catalyst in aqueous solution and neutral conditions providing crossed-aldol products,with a syn selectivity, as under pressure, that is the reverse in comparison with the acid catalysed reaction. With α, β-unsaturated aldehydes, 1,2- and 1,4-addition were observed, whereas with α, β-unsaturated ketones, only 1,4-addition occurred.
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DOI：
10.1016/S0040-4020(01)89795-7
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年份：
1989
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来源期刊
Cheminform
1989/02/28
引用走势
2010
被引量：18
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