Synthetic Communications · 1994 · 11 citations · 15 references
Natural SciencesChemistryMedicinal ChemistryCatalysisSynthetic Medicinal ChemistryOrganic SynthesisLewis Acid CatalysisLewis AcidityOne-pot Heterocycle SynthesisTransesterificationTransesterification Reactions
Abstract A one-pot synthesis of vinpocetine from vincamine was established. Lewis acids caused transesterification and/or dehydration of vincamine in EtOH. FeCl3 catalyzed both transesterification and dehydration while Ti(OEt)4 selectively catalyzed transesterification.
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Titanate-Mediated Transesterifications with Functionalized Substrates
Dieter Seebàch, Ernst Hungerbühler, Reto Naef et al. · Synthesis · 1982 · 271 citations
The Total Synthesis of Vincamine
Martin E. Kuehne · Journal of the American Chemical Society · 1964 · 80 citations
Stereoselektive Synthese von optisch aktivem Vincamin
Paul Pfäffli, Wolfgang Oppolzer, Roland M. Wenger et al. · Helvetica Chimica Acta · 1975 · 44 citations