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Review | Regular issue | Vol 51, No. 3, 1999, pp.649-670
Published online, 1st January, 1970
DOI: 10.3987/REV-98-512
Conformational Study of Geissoschizine Isomers and Their Model Compounds

Mauri Lounasmaa* and Pirjo Hanhinen

*Laboratory for Organic and Bioorganic Chemistry, Technical University of Helsinki, P.O. Box 6100, HUT-02150 Espoo, Finland


Study was made of the major factors affecting the conformational equilibrium between the C and D rings of geissoschizine isomers (1-4) and several of their model compounds (5-24). Conclusions are mainly based on 13C NMR data.