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  • An organic molecule modulated chemoselective cyclization of alkynyl nitriles tethered to 2-alkyl substituted chromones with multireactive sites.

An organic molecule modulated chemoselective cyclization of alkynyl nitriles tethered to 2-alkyl substituted chromones with multireactive sites.

Organic letters (2012-12-06)
Liping Huang, Yang Liu, Fuchun Xie, Youhong Hu
RÉSUMÉ

A small organic molecule phenylacetonitrile promoted chemoselective cyclization of (chromen-3-yl)alkynylnitriles to generate a novel tetracyclic or tricyclic chromone scaffold has been discovered. Importantly, the phenylacetonitrile serves as an anion transfer reagent changing the normal reaction of the substrate.

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Benzyl cyanide, 98%
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