- 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
PMID23210678
ABSTRACT
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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