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Copper-catalyzed Ficini [2 + 2] cycloaddition of ynamides.

ABSTRACT: The Ficini [2 + 2] cycloaddition using N-sulfonyl-substituted ynamides is described, featuring the utility of CuCl(2) and AgSbF(6) as catalysts. This work represents the first successful example of ynamides participating in a thermal [2 + 2] cycloaddition with enones.

SUBMITTER: Li H 

PROVIDER: S-EPMC2962578 | biostudies-literature | 2010 Sep

REPOSITORIES: biostudies-literature

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Copper-catalyzed Ficini [2 + 2] cycloaddition of ynamides.

Li Hongyan H   Hsung Richard P RP   DeKorver Kyle A KA   Wei Yonggang Y  

Organic letters 20100901 17

The Ficini [2 + 2] cycloaddition using N-sulfonyl-substituted ynamides is described, featuring the utility of CuCl(2) and AgSbF(6) as catalysts. This work represents the first successful example of ynamides participating in a thermal [2 + 2] cycloaddition with enones. ...[more]

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