Propargylation of Ugi Amide Dianion: An Entry into Pyrrolidinone and Benzoindolizidine Alkaloid Analogues.
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DOI: 10.1021/acs.orglett.8b00687
Abstract: Propargylation of Ugi adducts under the addition of excess sodium hydride in DMSO leads to direct formation of pyrrolidinone enamides, which are useful precursors of iminium intermediates and may be trapped by various nucleophiles. This… read more here.
Keywords: propargylation; pyrrolidinone; benzoindolizidine; propargylation ugi ... See more keywords