Tetrahedron Letters p. 7233 - 7236 (1991)
Update date:2022-07-30
Topics: Synthesis Catalyst Solvent Chromatography Reactants Spectroscopy Extraction
Cid, M. M.
Eggnauer, U.
Weber, H. P.
Pombo-Villar, E.
(-)-δ-N-Normethylskytanthine (1) has been synthsised from (1R,4R,1'S)-2-(phenylethyl)-2-azabicyclo<2.2.1>hept-5-ene (2) which undergoes a ketene-amino-Claisen rearrangement by reaction with dichloroketene to generate (1S,6R,1'S)-3-(phenylethyl)-5,5-dichlo
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