Gold-Catalyzed Formal [3 + 2] Cycloaddition of Ynamides with 4,5-Dihydro-1,2,4-oxadiazoles: Synthesis of Functionalized 4-Aminoimidazoles.
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DOI: 10.1021/acs.orglett.7b01469
Abstract: A gold-catalyzed formal [3 + 2] cycloaddition of ynamides with 4,5-dihydro-1,2,4-oxadiazoles has been developed. The reaction provides a concise and regioselective access to highly functionalized 4-aminoimidazoles likely via the formation of an α-imino gold carbene… read more here.
Keywords: dihydro oxadiazoles; ynamides dihydro; formal cycloaddition; catalyzed formal ... See more keywords