Journal
MOLECULES
Volume 24, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/molecules24112187
Keywords
naphthofuran; benzofuran; titanium tetrachloride; -haloketones; cyclodehydration
Funding
- Fundamental and Advanced Research Projects of Chongqing City, China [cstc2018jcyjA0150]
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Reported here is the direct synthesis of naphthofurans and benzofurans from readily available phenols and -haloketones promoted by titanium tetrachloride which combines Friedel-Crafts-like alkylation and intramolecular cyclodehydration into one step. This simple protocol allows for the formation of a variety of high value naphthofurans and benzofurans within which a series of cyclic and acyclic groups are readily incorporated. This process demonstrates the advantages of high levels of regioselectivity, broad substrate scope, and moderate to excellent yields.
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