Wolfgang von Philipsborn

Simultaneous Formation of 8H-Isoquino[2,1-b][2,7 naphthyridin-8-ones and 13H-Pyrido[4 ,3 :3,4]pyrrolo[2,1 -b][3]benzazepin-13-ones, a Novel Potential Alkaloidal System (1994)

Nagarajan, Kuppuswamy, Rodrigues, Patrick J, Nethaji, Munirathinam, Vohler, Markus, Philipsborn, Wolfgang Von

Condensation of 3,4-dihydro-6,7-dimethoxyisoquinoline (4) with 4-methylnicotinoyl chloride (12) in refluxing pyridine gives 5,6,13,13a-tetrahydro-2,3-dimethoxy-8H-isoquino[2,1-b][2,7]...

Simultaneous Formation of 8H-Isoquino[2,1-b][2,7 naphthyridin-8-ones and 13H-Pyrido[4 ,3 :3,4]pyrrolo[2,1 -b][3]benzazepin-13-ones, a Novel Potential Alkaloidal System (1994)

Nagarajan, Kuppuswamy, Rodrigues, Patrick J, Nethaji, Munirathinam, Vohler, Markus, Philipsborn, Wolfgang Von

Condensation of 3,4-dihydro-6,7-dimethoxyisoquinoline (4) with 4-methylnicotinoyl chloride (12) in refluxing pyridine gives 5,6,13,13a-tetrahydro-2,3-dimethoxy-8H-isoquino[2,1-b][2,7]...

Studies on the Stereochemistry of 2-(Nitromethylidene)Heterocycles (1984)

Rajappa, Srinivasachari, Nagarajan, Kuppuswamy, Venkatesan, Kailasam, Kamath, Nirupa, Padmanabhan, Vipanjeri Madabhusi, Philipsborn, Wolfgang Von, ...

The 1H-NMR spectra of 2-(nitromethylidene)pyrrolidine (7), 1-methyl-2-(nitromethylidene)imidazolidind (10) and 3-(nitromethylidene)tetrahydrothiazine (11) in $CDCl_3$ and ${({CD}_3)}_2SO$ indicate...

Studies on the Stereochemistry of 2-(Nitromethylidene)Heterocycles (1984)

Rajappa, Srinivasachari, Nagarajan, Kuppuswamy, Venkatesan, Kailasam, Kamath, Nirupa, Padmanabhan, Vipanjeri Madabhusi, Philipsborn, Wolfgang Von, ...

The 1H-NMR spectra of 2-(nitromethylidene)pyrrolidine (7), 1-methyl-2-(nitromethylidene)imidazolidind (10) and 3-(nitromethylidene)tetrahydrothiazine (11) in $CDCl_3$ and ${({CD}_3)}_2SO$ indicate...