Synthesis of new pyridines with oligocations and oxygen nucleophiles.
Nucleophilic substitution of 4-(dimethylamino)pyridine on pentachloropyridine yielded pentakis(pyridine-2,3,4,5,6-pentayl)pyridinium, tris-(3,5-dichloropyridine-2,4,6-triyl)pyridinium, or (tetrachloropyridin-4-yl)pyridinium depending on the reaction conditions. Nucleophilic substitution with water, hydroxides, and alcoholates resulted in new betaines and highly substituted pyridines. [structure: see text]
Schmidt
Andreas
A
Technische Universität Clausthal, Institut für Organische Chemie, Leibnizstrasse 6, D-38678 Clausthal-Zellerfeld, Germany. schmidt@ioc.tu-clausthal.de
Mordhorst
Thorsten
T
Habeck
Tobias
T
D002412:Cations; D007202:Indicators and Reagents; D009682:Magnetic Resonance Spectroscopy; D010100:Oxygen / Q000737:chemistry*; D011108:Polymers; D011725:Pyridines / Q000138:chemical synthesis*
D002412:Cations; D007202:Indicators and Reagents; D011108:Polymers; D011725:Pyridines; D010100:Oxygen