Johannes R. Jansen

Regioselective and Atropoisomeric‐Selective Aryl Coupling to Give Naphthyl Isoquinoline Alkaloids: The First Total Synthesis of ()‐Ancistrocladine

Gerhard Bringmann, Johannes R. Jansen, Heinz‐Peter Rink · Angewandte Chemie International Edition in English · 1986 · 89 citations

Natural Sciences, Chemistry, Medicinal Chemistry +10

On the structure of the dioncophyllaceae alkaloids dioncophylline a (“triphyophylline”) and “O-Methyl-Triphyophylline”

Gerhard Bringmann, Martin Rübenacker, Johannes R. Jansen et al. · Tetrahedron Letters · 1990 · 83 citations

Life Sciences, Botany, Plant Sciences +6

First total synthesis of (−)-dioncophylline A (“Triphyophylline”) and of selected stereoisomers: Complete (revised) stereostructure

Gerhard Bringmann, Johannes R. Jansen, Helmut Reuscher et al. · Tetrahedron Letters · 1990 · 79 citations

Pharmacy, Chemistry, Medicinal Chemistry +13

Acetogenic Isoquinoline Alkaloids, L. The Synthesis of All Possible Isomeric 6,8‐Dioxygenated 1,3‐Dimethyl‐1,2,3,4‐tetrahydroisoquinoline Methyl Ethers – Useful Chiral Building Blocks for Naphthylisoquinoline Alkaloids

Gerhard Bringmann, Ralf Weirich, H. Reuscher et al. · Liebigs Annalen der Chemie · 1993 · 76 citations

Natural Sciences, Chemistry, Medicinal Chemistry +14

Chiral Economy with Respect to Rotational Isomerism: Rational Synthesis of Hamatine and (Optionally) Ancistrocladine from Joint Helical Precursors

Gerhard Bringmann, Johannes R. Jansen · Heterocycles · 1989 · 33 citations · Full text

Pharmacy, Chemistry, Medicinal Chemistry +6