An efficient gold-catalyzed intramolecular rearrangement and cyclization protocol was developed for synthesis of 2,5-dihydrofuran derivatives from O-propargyl β-enaminones. In this organic transformation new C-C and C-O bonds are formed under mild reaction conditions; this includes the formation of a quaternary centre.
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| http://dx.doi.org/10.1039/c9ob00756c | DOI Listing |
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