Vinylogous urethanes in alkaloid synthesis: formal syntheses of Elaeocarpus alkaloids
The substituted dehydroindolizidine 8 has been prepared from the exocyclic vinylogous urethane 7 via an acylative ring closure. The specific formation of the enolate required for further elaboration to Elaeocarpus alkaloid precursors has been achieved by making use of the vinylogous amide 12.
Howard, Arthur S.,Gerrans, Graeme C.,Meerholz, Clive A.
p. 1373 - 1374
(2007/10/02)
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