Journal
JOURNAL OF ORGANIC CHEMISTRY
Volume 80, Issue 9, Pages 4545-4552Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.5b00398
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- Russian Scientific Fund [14-13-00126]
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Acetylenic enamines generated in situ from readily available enynones and primary amines undergo thermal cyclization in diphenyl ether providing easy access to 4-aryl-2-(trimethylsilylmethylene)-1,2-dihydro-3H-pyrrol-3-ones. This reaction is inherently versatile, allowing for variations of substituents in both enynone and amine. Full regioselectivity along with short reaction time (1-2 h) and simple workup afford single products in good to excellent isolated yields. Fluorescent properties of the obtained compounds were studied.
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