Archiv der Pharmazie p. 287 - 291 (1988)
Update date:2022-08-02
Topics:
Moehrle, Hans
Biegholdt, Martin
Hg(II)-EDTA dehydrogenations of the 8-aminosubstituted tetrahydroisoquinolines 1 and 2 do not yield the expected pure carbinolamines, but the dimers 7 and 8 in an intermolecular reaction.The acetylation of the dimers or of the corresponding iminium salts 5 and 6, respectively, generates the tricyclic primary products 9 and 13, which show ring cleavage when the reaction time is prolongated.
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