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Structures of two acylpyridinium salts and one simple pyridinium salt

โœ Scribed by Bryant Jnr, G. L. ;King Jnr, J. A.

Book ID
114509378
Publisher
International Union of Crystallography
Year
1992
Tongue
English
Weight
399 KB
Volume
48
Category
Article
ISSN
0108-2701

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Pyrylium Salts of ฮณ-Thiapyrones -A Simple Step to Phosphonophosphino Substituted Pyridines and Pyridinium Salts. -The recently reported pyrones (I) are easily converted to pyrylium salts (III). These [cf. (IIIa)] are converted to pyridines or pyridinium salts with ammonia or primary amines.