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Paper | Regular issue | Vol 34, No. 10, 1992, pp.1949-1956
Published online, 1st January, 1970
DOI: 10.3987/COM-92-6119
NOE Difference Spectroscopy Applied in Stereochemical Investigations of Two Diastereomeric Indoloquinolizidine Alcohols, Significant in the Preparation of Geissoschizine-Type Compounds

Reija Jokela

*Laboratory for Organic and Bioorganic Chemistry, Technical University of Helsinki, SF-02150 Espoo, Finland

Abstract

Complete 1H-nmr data were recorded for indoloquinolizidine alcohols (2a) and (2b), significant intermediates in the preparation of geissoschizine-type compounds, and for their benzoyl derivatives (3a) and (3b). The stereochemistry was deduced from NOE measurements.