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Preparation of new nitrogen-bridged heterocycles. Reaction of pyridinium N-imines with azirine derivatives

โœ Scribed by Kakehi, Akikazu.; Ito, Suketaka.; Manabe, Takashi.; Amano, Hideki.; Shimaoka, Yoshiharu.


Book ID
126062811
Publisher
American Chemical Society
Year
1976
Tongue
English
Weight
513 KB
Volume
41
Category
Article
ISSN
0022-3263

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Reactions of quinolinium and pyridinium
โœ Yoshiro Yamashita; Mituo Masumura ๐Ÿ“‚ Article ๐Ÿ“… 1979 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 227 KB

The novel reactions of quinolinium and pyridinium N-imines with cyclopentadienones are described. The 1,3-dipolar addition reactions of pyridinium N-imines and related ylides with activated acetylenes provide a useful method to synthesize nitroqenbridged heterocycles. 1 In recent years these react