Tetrahedron Letters p. 2301 - 2304 (1989)
Update date:2022-08-03
Topics: Synthesis Regioselectivity Column chromatography Characterization NMR spectroscopy Catalyst Recrystallization TLC (thin-layer chromatography) Workup Diels-Alder Reaction Stereoselectivity Cycloaddition Solvent Selection Dienophile Diene Reaction yield Isonitramine
Wanner, M.J.
Koomen, G.J.
Diels-Alder reactions with N-protected methyleneglutarimides are used to construct the spiro-framework during the synthesis of the title alkaloids.
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