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Updated: Jul 19, 2026

Preparation of Enantiopure Non-Activated Aziridines and Synthesis of Biemamide B, D, and epiallo-Isomuscarine
Published on: June 13, 2022
Complete assignments 1H and 13C NMR spectral data of four anabaseine derivatives
Eduardo Sobarzo-Sánchez1, Julio De la Fuente, Elías Quezada
1Department of Organic Chemistry and C.S.I.C. Associated Unit, Faculty of Chemistry, University of Santiago de Compostela, 15782, Santiago de Compostela, Spain. esobarzo@usc.es
Abstract:
The anabaseine derivatives 6-methoxy-7-hydroxy-1-(pyridin-3-yl)-3,4-dihydroisoquinoline, 6,7-dimethoxy-1-(pyridin-3-yl)-1,2,3,4-tetrahydroisoquinoline and 6,7-dimethoxy-1-(piperidin-3-yl)-1,2,3,4-tetrahydroisoquino- line were prepared either by demethylation with HBr or by reduction with different reagents, NaBH4 and H2/PtO2 from 6,7-dimethoxy-1-(pyridin-3-yl)-3,4-dihydroisoquinoline, as starting material. The structures have been fully assigned by the combination of one- and two-dimensional experiments.
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