Alpha,alpha-diarylprolinol ethers: new tools for functionalization of carbonyl compounds.
摘要:
Alpha,alpha-diaryl(dialkyl)prolinol ethers constitute a potent organocatalyst family which has been shown to be very general for a broad range of reactions involving enamine and iminium ion activation or a combination of both. The reactions are characterized by an efficient steric control approach and can lead to a variety of alpha-, beta-, gamma-, and alpha,beta-functionalized carbonyl compounds with excellent stereocontrol. As a full expression of their catalytic activity, these compounds are also excellent promoters of elegant cascade processes and valuable catalysts in water-compatible systems.
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关键词:
asymmetric catalysis enamine activation iminium ion activation organocatalysis tandem reactions
DOI:
10.1002/asia.200700417
被引量:
年份:
2008
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