Johannes Rudolf Jansen

Bayer CropScience AG 
small molecules, active ingridients
"Johannes Jansen"
Mean distance: (not calculated yet)
BETA: Related publications


You can help our author matching system! If you notice any publications incorrectly attributed to this author, please sign in and mark matches as correct or incorrect.

Bringmann G, Jansen JR. (1991) Stereocontrolled ring opening of Axially prostereogenic biaryl lactones with hydrogen nucleophiles: Directed synthesis of a dioncophylline A precursor and (optionally) its atropdiastereomer Synthesis. 825-827
Bringmann G, Rubenacker M, Jansen JR, et al. (1990) Isolation, structure elucidation, and stereoselective total synthesis of novel alkaloids from Triphyophyllum peltatum Planta Medica. 56: 495-496
Bringmann G, Jansen JR, Reuscher H, et al. (1990) First total synthesis of (-)-dioncophylline A ("Triphyophylline") and of selected stereoisomers: Complete (revised) stereostructure Tetrahedron Letters. 31: 643-646
Bringmann G, Rübenacker M, Jansen JR, et al. (1990) On the structure of the dioncophyllaceae alkaloids dioncophylline a ("triphyophylline") and "O-Methyl-Triphyophylline" Tetrahedron Letters. 31: 639-642
Bringmann G, Jansen JR. (1989) Chiral economy with respect to rotational isomerism: Rational synthesis of hamatine and (optionally) ancistrocladine from joint helical precursors Heterocycles. 28: 137-142
Bringmann G, Jansen JR. (1986) One pot preparation of 1,3-dimethyltetrahydroisoquinolines from their biosynthetic diketo precursors Heterocycles. 24: 2407-2410
Bringmann G, Jansen JR, Rink HP. (1986) Regioselective and atropoisomeric-selective aryl coupling to give naphthyl isoquinoline alkaloids: The first total synthesis of (-)-ancistrocladine Angewandte Chemie - International Edition in English. 25: 913-915
Bringmann G, Jansen JR. (1984) A first and general route to naphthylisoquinoline alkaloids: the total synthesis of O-methyl-tetradehydro-triphyophylline Tetrahedron Letters. 25: 2537-2540
See more...