85973-51-9Relevant articles and documents
The Synthesis of Some Highly Strained Pyrylium and N-Benzylpyridinium Salts and Kinetics of their Reactions with Piperidine
Katritzky, Alan R.,Marson, Charles M.,Thind, Sukhpal S.,Ellison, Joan
, p. 487 - 496 (2007/10/02)
5,8-Dimethyl-1-tetralone (11) yields the hindered pyrylium salts (12)-(14), which give the corresponding pyridines and pyridinium salts with ammonia and amines.Chroman-4-one affords the oxoniaphenanthrene perchlorate (17).The additional steric hindrance f