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Brønsted Acid/Lewis Acid Cooperatively Catalyzed Addition of Diazoester to 2H-chromene Acetals

A novel Brønsted acid/Lewis acid dual catalyst system has been developed to promote an efficient C–C bond formation between a range of oxocarbenium precursors derived from chromene acetals and ethyl diazoacetate. The reaction proceeds under mild conditions and is tolerant of common functionalized 2H...

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Vydáno v:European J Org Chem
Hlavní autoři: Luan, Yi, Qi, Yue, Gao, Hongyi, Ma, Qianqian, Schaus, Scott E.
Médium: Artigo
Jazyk:Inglês
Vydáno: 2014
Témata:
On-line přístup:https://ncbi.nlm.nih.gov/pmc/articles/PMC4233145/
https://ncbi.nlm.nih.gov/pubmed/25411552
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/ejoc.201403043
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